Senior Backend Engineer at embedding-vc | New York, NY

About GigaGiga has recently secured a remarkable $61M in Series A funding and is already serving several notable clients, including DoorDash. Our mission is to revolutionize customer experience through cutting-edge real-time AI agents that comprehend emotions, address issues instantaneously, and scale to meet the demands of the world’s largest enterprises.We are at a pivotal moment in our journey. While we have achieved early success, our aspirations extend far beyond. Our vision is to establish ourselves as the leading AI platform for enterprise automation, driven by our voice superintelligence. To realize this ambition, we are on the lookout for exceptional engineers.The impact of our work touches millions of lives daily, and our engineers enjoy the autonomy to make a significant difference. This role is particularly unique due to our visionary founders, proven commercial success, and a clear trajectory towards becoming a generational company. Here are some key highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipAt Giga, we create AI agents that are trusted by some of the largest B2C companies globally. Industry giants like DoorDash rely on Giga to manage their most complex support and operational workflows across voice, chat, and email. If you resonate with this mission, we encourage you to apply!The RoleWe are seeking a seasoned infrastructure engineer who will construct the foundational platform that empowers our AI agents. Your primary users will be fellow engineers; your role will involve developing systems, tools, and abstractions that enhance productivity and ensure the reliability of our platform.This position transcends traditional DevOps or SRE roles. You will be responsible for writing application code with a focus on core infrastructure components: deployment systems, observability frameworks, data infrastructure, and the internal tools that enable our team to innovate swiftly and safely.What You'll Work OnHere are a few key priorities that you will tackle:Controlled deployments: Develop staged rollout systems with traffic scaling, scheduling, and pass rate thresholds to safeguard production environments.Observability: Establish the instrumentation, logging, and monitoring frameworks that provide insights into production dynamics.Data infrastructure: Design and implement robust data pipelines and storage solutions.

About GigaGiga has successfully secured a $61 million Series A funding round and boasts an impressive roster of paying clients, including industry leader DoorDash. We are at the forefront of revolutionizing customer experience with cutting-edge real-time AI agents capable of understanding emotions, resolving issues instantaneously, and scaling to meet the demands of the world's largest enterprises.This is a pivotal moment for our company. While we have achieved significant milestones, our aspirations are even larger. We aim to become the premier AI platform for enterprise automation, driven by our unparalleled voice superintelligence. To realize this vision, we are on the lookout for exceptional engineers.Our work impacts millions daily, and our engineers enjoy a high degree of autonomy and the opportunity to make a tangible difference. This is a unique opportunity to join a team led by visionary founders, who have already achieved commercial success and have a clear trajectory toward becoming a generational company. Here are some highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga develops AI agents that are trusted by the largest B2C companies globally. Leading brands like DoorDash rely on Giga to manage their most complex support and operational workflows across voice, chat, and email. If this resonates with you, we would love to hear from you!The RoleWe are seeking talented backend engineers to construct the infrastructure and systems that empower our AI agents. Your responsibilities will span the entire stack, from data pipelines and analytics to real-time agent systems, delivering features that directly influence our customers' operations.This role requires initiative; you will not simply receive a specification and execute it. Instead, you will take ownership of challenges from start to finish: identifying the appropriate approach, building solutions, and iterating based on your findings.What You'll Work OnHere are a few current initiatives on our roadmap:Analytics Rewrite: Transitioning our analytics service to ClickHouse and redesigning it to support our next phase of growth.Hallucination Detection: Enhancing our detection systems with the objective of minimizing hallucination rates.Browser Use Agent: Scaling, stabilizing, and improving features and accuracy for our browser use agent, compensating for the absence of formal customer APIs.

Join the Giga TeamAt Giga, we are revolutionizing customer experience by developing cutting-edge real-time AI agents capable of understanding emotions and resolving issues instantaneously. With a recent $61 million Series A funding round and a roster of esteemed clients including DoorDash, we are poised for exponential growth and innovation in the AI landscape.As we aim to establish ourselves as the leading AI platform for enterprise automation, we are on the lookout for talented engineers to join our mission. Our engineers thrive in an environment where their work impacts millions of users globally, and they enjoy the autonomy to drive significant change.Be part of an exciting journey with visionary founders and a clear roadmap to becoming a generational company. Here are a few highlights about us:Giga's $61M Series A FundingPartnership with DoorDashGiga creates AI solutions trusted by leading B2C companies worldwide. If this aligns with your career aspirations, we encourage you to apply!

About GigaGiga has successfully secured $61 million in Series A funding and boasts a roster of paying clients, including industry giant DoorDash. We are on a mission to revolutionize customer experience through cutting-edge AI agents capable of understanding emotions, resolving issues instantaneously, and seamlessly scaling across the world's largest enterprises.This is a pivotal moment for Giga as we aspire to become the leading AI platform for enterprise automation, driven by our advanced voice superintelligence. To fulfill this vision, we are on the lookout for exceptional engineers to join our team.Our engineers enjoy significant autonomy and have the opportunity to make a substantial impact on millions of lives daily. This is a unique chance to work with brilliant founders, leverage our commercial success, and contribute to a company poised to become a generational leader. Here are a few highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by the most prominent B2C companies worldwide, including DoorDash, to enhance their support and operations workflows through voice, chat, and email. If this mission resonates with you, we encourage you to apply!

About GigaGiga has successfully secured $61 million in Series A funding and is already partnering with renowned clients like DoorDash. We are on a mission to redefine customer experiences through real-time AI agents capable of understanding emotions, resolving issues promptly, and scaling across the largest enterprises globally.As we reach this pivotal moment, our ambitions are growing. Our aim is to establish Giga as the premier AI platform for enterprise automation, underpinned by our advanced voice superintelligence. To realize this vision, we are in search of exceptional engineers.Our work impacts millions daily, and our engineers enjoy autonomy and the chance to make a significant difference. This role is unique, as we have visionary founders, proven commercial success, and a clear trajectory towards becoming a generational company.Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga develops AI agents trusted by leading B2C companies, including DoorDash, to manage intricate support and operations workflows across voice, chat, and email. If this resonates with you, we invite you to apply!About the Role:We are searching for experienced Solutions Engineers to join Giga's Solutions team. In this position, you will work closely with Sales, Forward Deployed Engineering, Product, and Core Engineering teams to help major brands implement AI agents that enhance customer experience and support operations.As a Solutions Engineer, you will lead intricate, multi-stakeholder projects that encompass pre-sales strategy, solution architecture, deployment execution, and long-term customer success. You will combine strong commercial insights with deep technical knowledge to design and deliver solutions that yield measurable business results. We seek individuals with a profound curiosity, attention to detail, and a passion for addressing complex and ambiguous challenges, turning visions into reality for some of the most recognizable brands worldwide.

Join Brellium as a Senior Backend / Infrastructure Engineer in the vibrant heart of New York City. In this pivotal role, you will be responsible for designing, implementing, and maintaining robust backend systems that power our innovative solutions. You will collaborate with cross-functional teams to ensure seamless integration and high performance of our applications.

Join the Giga TeamGiga has successfully secured $61 million in Series A funding, partnering with notable clients like DoorDash. We are on a mission to revolutionize customer experience through cutting-edge real-time AI agents that comprehend emotions, resolve issues promptly, and scale to serve some of the largest enterprises globally.This is a pivotal moment for Giga. While we have achieved significant success, we aspire to greater heights. Our vision is to become the premier AI platform for enterprise automation, driven by our advanced voice superintelligence. To make this vision a reality, we are seeking talented engineers to join our journey.As a part of our team, your work will impact millions of users daily, granting you the autonomy to make a real difference. This role is unique due to our exceptional founders, our proven commercial success, and our clear trajectory towards becoming a generational company. Here’s more about us:Discover how Giga raised $61M in Series ALearn about the DoorDash and Giga partnershipGiga develops AI agents trusted by the leading B2C companies worldwide. Industry giants like DoorDash rely on Giga for managing their most complex support and operational workflows through voice, chat, and email. If this opportunity excites you, we encourage you to apply!

Join Palantir Technologies as a Senior Backend Software Engineer specializing in Infrastructure. In this pivotal role, you will work at the intersection of software engineering and infrastructure systems, contributing to the design and implementation of scalable backend solutions that empower organizations to make data-driven decisions.

About PolymarketPolymarket stands as the largest global prediction market platform, empowering individuals to share their insights on real-world events through trading on outcomes spanning politics, economics, sports, culture, and current affairs. Functioning as a decentralized peer-to-peer marketplace without a central 'house', Polymarket aggregates a wide array of opinions into clear, market-driven probabilities that reflect collective expectations about future events.Our rapid growth is evident as we approach $21 billion traded in 2025, alongside increasing adoption as a reliable alternative news source. Our vision is to emerge as a pervasive beacon of truth within global media, driven by a swift, dependable, and highly technical market infrastructure.About the RolePolymarket is in search of a talented backend engineer to join us in constructing and enhancing the essential exchange infrastructure that fuels our markets. This position emphasizes the development of high-performance, low-latency backend systems that must operate correctly, swiftly, and resiliently under the demands of real-world trading scenarios.You will play a vital role as a primary contributor, collaborating with other senior engineers to design, implement, and refine the systems that form the core of Polymarket's exchange. This position offers significant ownership with minimal bureaucratic hurdles and a strong focus on results.Your ResponsibilitiesWe are seeking an experienced backend engineer who thrives on close-to-the-metal work and tackling challenging distributed systems problems.Develop the Exchange Backend: Architect and build scalable, low-latency backend services that drive the Polymarket exchange, utilizing C/C++ or other performance-oriented programming languages (Go, Rust, Java).Enhance Performance & Scale: Analyze, tune, and troubleshoot systems with an emphasis on latency, throughput, memory usage, and correctness in production environments.Architect Distributed Systems: Create and maintain robust APIs, data pipelines, and event-driven architectures using messaging and streaming technologies (Kafka, Pulsar, RabbitMQ).Ensure Reliability & Operations: Strengthen security, availability, performance, and scalability within backend systems, while actively participating in diagnosing and resolving production challenges.Cross-Functional Collaboration: Work in close partnership with engineers across product, infrastructure, and data teams to ensure seamless integration between the exchange and the overall platform.Enhance Code Quality: Engage in code reviews, design discussions, and architectural debates to drive high standards in software development.

Join Giga as a Software Engineer!At Giga, we are on a transformative journey, having recently secured $61 million in Series A funding, and we have already partnered with industry leaders, including DoorDash. Our mission is to redefine customer experiences through pioneering real-time AI agents capable of understanding emotions and resolving issues instantly, scaling across the globe's largest enterprises.This is a pivotal moment in our growth story. We have achieved significant milestones, yet our aspirations are even greater. We aim to establish ourselves as the premier AI platform for enterprise automation, driven by our advanced voice superintelligence. To realize this vision, we are seeking talented engineers to join our innovative team.As a Giga engineer, your work will impact millions every day. You'll enjoy the autonomy to make meaningful contributions and collaborate with brilliant founders and experienced professionals. Here’s some exciting information about us:Discover how Giga raised $61M in Series A fundingExplore our partnership with DoorDashJoin us in building trusted AI agents used by the world's leading B2C companies, tackling complex support and operational workflows across voice, chat, and email. If this excites you, we invite you to apply!

About FLORAAt FLORA, we empower the new creative class with innovative tools that enhance their craft. Our intelligent platform utilizes cutting-edge AI models to facilitate creativity. With a small but dynamic team of approximately 20, we have successfully raised $52 million from notable investors such as Redpoint Ventures, Hanabi Capital, Menlo Ventures, Justin Kan, and Gabe Whaley (founder of MSCHF). Our clientele includes esteemed names in the creative industries, such as Pentagram, Lionsgate, and Nike.About the RoleWe are seeking a Senior Backend Engineer to be a pivotal part of FLORA's platform development. You will engage with our database layer, generation infrastructure, observability tools, and the services that enable a seamless real-time creative experience on a large scale.As part of our skilled team of full-stack engineers, you will leverage your extensive backend expertise to resolve our most challenging systems issues. You will take charge of complex projects, work closely with engineering leadership on architectural choices, and evolve with our backend team as we expand.Your ResponsibilitiesDesign and implement generation orchestration infrastructure capable of supporting significant scale.Enhance observability across our infrastructure to minimize failure rates and proactively identify issues before they affect users.Optimize our database layer through effective schema design, indexing strategies, and migrations as we grow.Collaborate on architectural decisions to facilitate the introduction of new features.Partner with the CTO, Product Engineering, and Intelligence Engineering teams to ensure a stable and high-performing foundation for features across all client platforms.Desired Qualifications:A minimum of 5 years of experience in building robust backend systems and operating services at scale.At least 3 years of in-depth experience with TypeScript, emphasizing type safety, error handling, and code organization.Demonstrated ability to analyze ambiguous problems and deliver well-structured solutions.Experience with queue-based architectures, including job scheduling, orchestration, and fault tolerance.Strong instincts for observability; experience in system instrumentation, dashboard creation, and utilizing data to enhance reliability.Excellent communication skills and a collaborative approach to technical decision-making.

About Us:At Blockworks, we're at the forefront of the cryptocurrency industry, serving as a comprehensive information platform. Our mission is to transform intricate data into actionable research and trusted insights, thereby fostering transparency and confidence among investors, operators, and institutions. We empower our clients to navigate the complexities of the crypto landscape, enabling them to make informed decisions that drive the industry forward.Who You Are:You are a passionate backend and API developer, with a strong foundation in software engineering. As a natural leader and player-coach, you understand both the technical and human aspects that contribute to exceptional software design. Your results-driven mindset fuels your commitment to delivering seamless product releases and optimizing digital pipelines (CI/CD). With a proven track record of enhancing engineering team productivity and quality, you're excited about shaping backend strategies from the ground up. Your enthusiasm for designing and maintaining scalable API services positions you as a key player in our fast-paced startup environment, where your intentional and sustainable approach to engineering will shine.What You’ll Do:As our Senior Backend Engineer, you will take ownership of designing, building, and maintaining the systems that are vital for our products. This includes everything from high-performance APIs to robust database architecture. You will actively participate in defining project requirements, scoping initiatives, and making architectural decisions that establish our technical foundation. Your contributions will significantly impact our research platform (blockworksresearch.com) and our media site (blockworks.co; serving over 1 million monthly active users).Your daily tasks will include:Architecting, building, and deploying backend systems capable of handling millions of requests per dayDesigning, implementing, and optimizing APIs that drive our research and media productsOverseeing database design, optimization, and reliability (MySQL/Postgres)Implementing caching and performance strategies using Redis or similar toolsLeading backend feature development from the planning phase to production release

Why We Need YouIn the past year, GovEagle has rapidly established itself as the preferred vendor among the leading government contractors across the nation. Our platform has seen a staggering 10x increase in usage, with our AI agents streamlining the process of shredding requirements, constructing compliance matrices, and drafting proposals in mere hours instead of weeks.To sustain this growth trajectory, we are in search of a Senior Backend Engineer to enhance and optimize the essential systems that power our platform. Your responsibilities will encompass the entirety of our backend, from optimizing API performance to enhancing AI pipeline efficiency and infrastructure. You will ensure that our systems remain fast, reliable, and scalable, as some of the largest defense contractors in the world depend on GovEagle daily.What You're Signing Up ForProfiling and optimizing critical paths within our backend to maintain swift API response times and efficient AI pipelines as workload complexity and customer volume grow exponentially.Identifying and resolving bottlenecks in our database layer, background job orchestration, and asynchronous processing, particularly for extensive LLM workloads.Enhancing our existing Grafana stack to augment logging, metrics, tracing, and alerting, enabling us to comprehend system behavior in production and preemptively address issues before they affect customers.Designing infrastructure improvements to accommodate increased workloads, more concurrent users, and increasingly complex AI pipelines without compromising latency or reliability.Streamlining our build, test, and deployment pipelines to empower the team to deliver faster and with greater confidence.Overseeing our on-call processes, SLOs, and incident response playbooks to make production maintenance uneventful.Collaborating with the CTO as a thought partner on backend architecture decisions. Evaluating trade-offs, drafting RFCs, and raising the engineering standards across the team.

Become a Force for Good with Axon.At Axon, our mission is to Protect Life. We are innovators dedicated to addressing society's most pressing safety and justice challenges through our suite of devices and cloud software. We believe in collaboration, engaging with diverse perspectives from our customers, communities, and each other.Life at Axon is dynamic, challenging, and purposeful. Here, you will take ownership and drive impactful changes. Experience continuous growth as you contribute to a mission that truly matters in a company where your role is valued.About PreparedAs of October 1, 2025, Prepared has officially merged with Axon—a significant milestone for our team and the public safety sector. United by our common goal to Protect Life, Axon and Prepared are pioneering a new age of AI-enhanced emergency communications. Together, we’re bridging the gap between the initial call for assistance and effective field resolution—equipping responders with critical clarity when every moment is essential.911 serves as the backbone of public safety in America. Unfortunately, the professionals answering these calls have long been hindered by outdated technology. Prepared is here to transform that narrative. Since our inception in 2021, we have harnessed advanced AI to optimize millions of emergency calls across 49 states, aiding over 90 million people and revolutionizing crisis response capabilities.Joining Prepared means becoming part of a team dedicated to defining the future of emergency services and fostering a safer, more interconnected world.Position OverviewWe are seeking a Senior Backend Engineer to join our Assistive Dispatch team, focusing on developing systems that process and analyze real-time radio communications for 911 centers.This role merges backend engineering and edge computing, connecting physical dispatch center infrastructure with our cloud platform. You will work on a rapidly evolving product that meets genuine customer needs, tackling intricate integration challenges across various hardware and network environments.This is a high-impact opportunity for someone who enjoys working across the technology stack—from device-level systems to cloud services—and thrives in a fast-paced, dynamic environment.This is a hybrid role, with four days per week expected in our Manhattan office.

Join our dynamic team at Kira as a Senior Software Engineer with a focus on backend infrastructure. In this pivotal role, you will design, develop, and maintain scalable backend systems that power our innovative solutions. You will collaborate with cross-functional teams to enhance performance, reliability, and security of our infrastructure.Your expertise will contribute to architectural decisions, and you'll be instrumental in implementing best practices for coding and testing. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to tackle complex challenges.

Supported by top-tier Silicon Valley investors, Peregrine Technologies is dedicated to assisting public safety organizations, state and local governments, federal agencies, and private-sector entities in overcoming societal challenges with unmatched speed and precision. Our AI-driven platform transforms isolated and fragmented data into actionable operational intelligence, allowing for prompt access to mission-critical information that facilitates swift decision-making and enhances outcomes at every level. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our influence into the enterprise sector and international markets.Role OverviewWe are seeking a Senior Infrastructure Engineer to join our dynamic team, where you will be responsible for designing and implementing the infrastructure that underlies the Peregrine platform.Within our engineering division, we believe that empathy fosters superior solutions. Observing users interact with our product is a priority that guides us toward effective answers. Engineers will collaborate closely with our onsite team to grasp the varied use cases that Peregrine addresses. We emphasize strong ownership while promoting teamwork and ongoing feedback.In this role, you will utilize a diverse range of technologies to scale our platform, ensuring secure connections to client networks, while managing vast amounts of data. You will engage with a variety of complex challenges, including:Creating highly available and secure production environmentsDesigning scalable and secure network architecturesEnhancing the ingest engine for extensive data processingStreamlining the entire engineering lifecycleOur technology stack is continually evolving, currently based on AWS GovCloud, Kubernetes, Docker, Terraform, Pulumi, PostgreSQL, Redshift, Elasticsearch, and more.

About Blackbird:Blackbird Labs is a cutting-edge loyalty and payments platform dedicated to fostering meaningful connections between premier restaurants and their patrons.Founded in 2022 by Ben Leventhal, co-founder of Eater and Resy, Blackbird offers a highly customizable loyalty program for restaurants alongside a consumer app designed to ensure every guest feels like a true VIP, regardless of where they choose to dine. Supported by visionary investors including Union Square Ventures, a16z, Amex Ventures, and Variant Fund, Blackbird is on a mission to transform the restaurant industry.About Our Team:At Blackbird, our core values drive our actions, and our talent principles outline the characteristics we seek in our team members.We possess a passion for our product, relentlessly dedicated to our mission and always striving to exceed our customers' expectations. We are elite performers, committed to achieving outstanding results through excellence, rapid learning, and unwavering determination. We elevate each other, taking initiative to uplift our colleagues, embracing feedback, and fostering a growth-oriented culture. Together, we hold ourselves accountable to embody our talent principles as we work towards our shared mission.About the RoleAt Blackbird, we aspire for every guest to feel like a VIP from the moment they step into a restaurant. From last-minute reservations to welcome drinks, off-menu items, and exclusive perks, we are developing a platform that empowers restaurants to identify, engage, and reward their guests in personalized and impactful ways.Our vision is simple: the more you visit your favorite spots, the more you unlock—from unique rewards to seamless direct messaging for reservations. With every visit, you earn $FLY, our universal rewards currency, redeemable across our network of exceptional restaurants.As a Senior Backend Engineer, you will integrate traditional fintech with blockchain technology to construct our next-generation payment infrastructure. Collaborating closely with product managers, designers, and fellow engineers, you will define and execute the technical roadmap for our cryptocurrency payment and loyalty platforms. You will influence critical architectural decisions, establish engineering best practices, and contribute to the scalability of secure, user-friendly Web3 payment experiences.We seek an individual who thrives in a fast-paced, ownership-driven environment and is passionate about crafting products that create seamless user experiences.

Join the Bevel Team!At Bevel, we are pioneering the future of health management with our innovative AI Health Companion. Our app seamlessly integrates data related to sleep, recovery, activity, nutrition, and more, providing users with real-time, personalized health guidance. Whether users are preparing for a significant event or simply striving for better well-being, Bevel empowers them to make informed decisions with confidence and clarity.Based in the vibrant city of New York, we are a close-knit team of passionate builders and creatives. We take pride in our craft, viewing our work at Bevel as not just a job but a calling. We value balance in our lives, recognizing the importance of hard work and the necessity of taking breaks to recharge.Since our launch last year, we've experienced remarkable growth and support from our user community. We're on the lookout for exceptional Senior Backend Engineers to help us execute our ambitious roadmap. This role provides you with the chance to influence the future of Bevel, allowing for full ownership and creative expression in your work.

Overview: Spur is the AI QA Engineer for every company.Location: New York CityAt Spur, we create groundbreaking technology designed to redefine quality assurance: autonomous browser agents that think, explore, validate, and self-heal like actual users. We aren’t just another testing tool; we are revolutionizing the way digital teams deliver with confidence.The market response has been resounding. Leading brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, and Abercrombie & Fitch are actively engaging with us. Demand is skyrocketing, sales cycles are swift, and our product delivers — teams can go live in days, not months.Our elite team comprises builders from DeepMind, Figma, and former founders who are producing at a pace that larger companies cannot match.Our Mission: We aim to empower our customers to deliver exceptional digital experiences.Explore our Manifesto: https://www.spurtest.com/founders-letterThe RoleAs the founding engineer specializing in infrastructure and backend, you will design the core architecture of Spur’s platform—defining, building, and scaling critical infrastructure that powers our web agents.You will oversee our entire stack from top to bottom, orchestrating vast fleets of browsers and web agents in the cloud while optimizing them for massive scale. Collaborating closely with the founders, you will tackle pioneering infrastructure challenges that have a direct impact on our customers and set the benchmark across our stack, from low-level infrastructure to the user experience delivered by our agents.What You Will DoBuild and scale our core infrastructure to deploy and manage thousands of browser and web agents daily.Design, implement, and maintain our clusters, CI/CD processes, observability, and best practices.Rapidly iterate in collaboration with product, engineering, and the founders.Bonus PointsExperience with distributed task queues and optimizing performance/scalability.A history of generating impact in small teams and scaling infrastructure from the ground up.You Will Excel Here If YouHave 5+ years of experience designing, deploying, and managing infrastructure at scale.Possess deep expertise in Docker and cloud technologies.