Backend Infrastructure Engineer

Join Spotify as a Backend Engineer within our innovative Data Infrastructure engineering team! In this exciting role, you will pioneer new methods that empower our teams to create insightful analytics for both internal use and the music industry. Our cutting-edge platform provides essential functionalities, from revealing the number of streams for artists' latest releases to assisting internal teams in managing cloud resource utilization.As a vital member of our platform team, your contributions will be instrumental in exemplifying, measuring, and enhancing the reliability of our data infrastructure across various squads within Spotify. Collaborating closely with fellow engineers, you will deliver OLAP capabilities to facilitate dynamic and dependable data visualizations, while also sharing the responsibility of diagnosing, resolving, and preventing production issues. We believe in empowering engineering teams to take operational ownership of their products and are dedicated to providing the support they need to succeed.

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.

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.

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.

Join a Transformative Force in TechnologyAt Palantir, we create groundbreaking software that revolutionizes data-driven decision-making and operational efficiency. Our platforms enable partners to combat critical challenges—from developing life-saving medical treatments to predicting supply chain disruptions and locating missing persons.Position OverviewAs a Backend Software Engineer at Palantir, you will play an essential role in shaping how organizations leverage data. You will be engaged in all stages of the product lifecycle, from ideation and design to prototyping and final deployment. Collaborating with both technical and non-technical team members, you will gain insights into customer challenges and develop innovative solutions. We promote cross-team collaboration, allowing you to expand your knowledge across various technologies and product facets. You will work autonomously and make impactful decisions within a supportive community that fosters your growth into a technical leader.Our Product Development teams are composed of small, focused groups of Software Engineers, each dedicated to distinct aspects of our offerings. The infrastructure teams are tasked with fortifying the foundational layers of our software stack, emphasizing database technologies, distributed systems, large-scale data architectures, security, and application infrastructure. In this role, you will write robust code that supports Palantir Foundry and Gotham, ensuring high performance, security, and scalability for products utilized by key public and private sector institutions. You will be instrumental in building the core capabilities that empower research scientists, aerospace engineers, intelligence analysts, and economic forecasters worldwide.We seek engineers who are driven by a passion for solving real-world challenges, enabling both developers and end-users to maximize their productivity. If you are eager to create reliable, high-performing, and scalable systems, and to design resilient APIs, this opportunity allows you to make a substantial impact on our products and the communities we serve.

About TitanTitan is an award-winning wealth management platform on a mission to revolutionize the financial landscape by making wealth advisors accessible to everyone, not just the ultra-wealthy. By leveraging cutting-edge technologies such as artificial intelligence, we empower our advisors with tools that enhance their capabilities, allowing them to serve a diverse clientele. Backed by notable investors including a16z, General Catalyst, and Sam Altman, we proudly manage over $1 billion in assets nationwide.Why Join TitanAt Titan, we are committed to creating an enriching work environment that promises unparalleled growth and fulfillment for the right candidate.Visionary Goals: Join us in our ambitious pursuit of democratizing wealth management, enabling lasting wealth growth across generations.Timely Relevance: The emergence of LLMs presents an unprecedented opportunity to reshape personalized wealth management, propelling our mission forward.Significant Contribution: Be part of a small, dynamic team where your contributions will have a monumental impact on our growth trajectory.Collaborative Culture: We foster a vibrant, in-person working environment where team collaboration thrives, including daily engagement with our founders.Competitive Compensation: Titan offers attractive salary packages and equity options that reflect our commitment to team ownership.Renowned Investors: Join a company supported by some of the most respected names in the industry, including a16z and Y Combinator.Role OverviewAs a Senior Backend / Infrastructure Engineer at Titan, you will play a pivotal role in crafting the systems that drive our next-generation Registered Investment Advisor (RIA) platform, set to scale beyond our current $1B in assets under management (AUM). Collaborating with seasoned professionals from Google and Meta, you will be responsible for architecting, building, and optimizing our core backend services, trading systems, real-time APIs, data pipelines, and automated workflows—all while ensuring security, scalability, and resilience. Your technical expertise will significantly influence platform reliability and performance as we grow.

About UsAt Credal, we are committed to leveraging cutting-edge AI technologies to empower those who are dedicated to shaping a brighter future.Our platform accelerates the complex operations of leading institutions while embedding robust security and governance at every level of our offerings. Our esteemed clientele includes the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (formerly TransferWise), Checkr, and incident.io, among others.With over $10 million in funding secured, we have ample runway to support our ambitious goals. Join a team of Thoughtful Doers™ hailing from top-tier companies such as Palantir, Cruise, Meta, Uber, and Google. Credal operates in-person from our spacious NYC office, complete with meals provided.

CVector is dedicated to revolutionizing economic optimization and AI-driven predictions across energy and manufacturing sectors.Our technology seamlessly integrates critical decision-making factors that impact cost, reliability, and profit margins, providing a unified decision layer that forecasts future scenarios, simulates potential outcomes, and optimizes operational strategies. This allows industrial plants to operate closer to their maximum economic potential daily.This position requires in-office attendance at our New York City headquarters four days a week. CVector serves clients nationwide and operates in challenging industrial environments.Role OverviewAs a Senior Software Engineer specializing in Backend and AI Infrastructure, you will be instrumental in advancing CVector’s backend platform. Your focus will be on developing time-series data systems, AI-enhanced analytics, cloud infrastructure, and data ingestion pipelines that underpin our client-facing applications and internal modeling tools.This role is ideal for engineers who thrive on working closely with data and infrastructure, possess excellent architectural judgment, and are eager to engage with AI systems, databases, and distributed backend services. You will take ownership of complex systems, lead significant technical migrations, and influence the integration of intelligence into industrial energy workflows.You will work in close collaboration with product, modeling, and frontend engineers, significantly impacting the platform's direction, reliability, and scalability for the long term.Key ResponsibilitiesAs a Senior Software Engineer, your contributions will span various interconnected domains:Intelligent SystemsTranslate customer domains and operational workflows into effective prompts and AI system interfaces.Design, implement, and refine evaluations for AI outputs.Incorporate customer feedback and reinforcement signals to enhance system performance.Optimize context selection, retrieval, and trace collection to elevate output quality.Fine-tune smaller models using collected traces to enhance speed while maintaining performance standards.Evaluate and assimilate new AI platforms and models as they emerge.Support the training and deployment of large, time-series-specific models.Backend Platform and Data InfrastructureOversee migrations and enhancements of our time-series data schemas and storage systems.Update and manage PostgreSQL and associated database infrastructure.Develop and sustain data connectors for industrial and external systems.Lead improvements to MQTT-based data ingestion pipelines.Transition PostgREST to a GraphQL-based framework and evolve our API architecture.

About TitanTitan is a pioneering wealth management firm dedicated to revolutionizing the way individuals access financial advisory services. Our mission is to democratize wealth management, empowering every individual with a personal wealth advisor in their pocket. Unlike traditional wealth management, which often caters solely to the ultra-rich, Titan leverages cutting-edge technologies like artificial intelligence to create a platform that amplifies advisors' capabilities, making them accessible to a broader audience. With the support of renowned investors such as a16z, General Catalyst, and Sam Altman, we proudly manage over $1 billion in assets for clients nationwide.Why Join TitanJoining Titan means becoming part of a mission-driven company where your contributions will have a lasting impact. Ambitious Vision: Our goal of placing private wealth management in everyone's hands will redefine wealth accumulation for generations to come.Critical Timing: The rise of large language models (LLMs) fuels our quest to make personalized wealth management a reality for all, motivating our daily efforts.Significant Impact: As a part of our small, agile team, your contributions will be highly visible and influential in shaping the future of Titan.Dynamic Team Culture: We thrive on collaboration, working closely together in our office, alongside our founders who are deeply involved in daily operations.Competitive Compensation: At Titan, we offer attractive salary packages and equity opportunities that ensure every team member feels like an integral part of the company.Renowned Support: With backing from top-tier investors who align with our bold vision, including a16z and Y Combinator, we are poised for continued growth.Role OverviewWe are looking for a Principal Backend / Infrastructure Engineer to join our engineering team in New York City. In this high-impact role, you will be instrumental in architecting, developing, and scaling the core systems that underpin our financial platform. Collaborating with a talented team of former founders and engineers from tech giants like Google and Meta, you will focus on enhancing our backend services, trading systems, real-time APIs, data pipelines, and automated workflows, ensuring they are secure, scalable, and resilient. Your technical expertise will directly influence the reliability and performance of our platform as we scale beyond $1 billion in assets under management.

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.

At Angi®, our mission for the past 30 years has been simple: to ensure that jobs are done right. We connect homeowners with trustworthy professionals who possess the necessary skills, while simultaneously linking these pros with homeowners seeking the jobs they desire.Angi at a glance:Homeowners have relied on Angi for over 300 million projects.We cover more than 1,000 home service tasks.Our team consists of 2,800 dedicated employees worldwide.Why join Angi:Angi® is on a mission to redefine the home services industry, fostering an environment where homeowners, professionals, and employees all benefit from a greater number of jobs completed successfully.For homeowners, our platform offers a dependable way to locate skilled professionals. For professionals, we act as a trustworthy business partner, helping them discover the work they want when they want it. For our employees, we provide an exceptional workplace that they can proudly call home. We look forward to welcoming you!About the team:We are currently searching for a Senior Data Engineer to join our Data Infrastructure team. This individual will play a pivotal role in constructing and managing the foundational platforms that facilitate data processing, storage, and analytics throughout our organization. The focus of this role will be on advancing our lakehouse architecture, data replication systems, and orchestration frameworks, all while ensuring scalable, reliable, and efficient data workflows.Please note, although this role is remote, we are a global company seeking candidates located in the Eastern Time Zone to align with our team's working hours.

Senior Backend Engineer – Transform Telecom Infrastructure for NextGenAt OXIO, we are revolutionizing the telecom landscape with the world’s first Telecom-as-a-Service (TaaS) platform. Our mission is to democratize telecom, empowering brands and enterprises to own and manage proprietary mobile networks tailored to their unique customer needs. By integrating multiple networks into a single, cloud-based platform, we provide a modern SaaS solution that offers full network access, delivering exceptional business intelligence and insights to enhance understanding of customer and machine behavior. With a relentless focus on innovation, OXIO enables companies to establish a robust telecom presence while unlocking unparalleled customer insights.As we expand our capabilities, we are looking for an experienced Tech Lead to contribute to our flagship BrandVNO platform. In this pivotal role, you will lead the development of our software development kit (SDK), empowering clients to craft groundbreaking telecom experiences within their mobile applications.

Join rogo as a Staff Backend Engineer specialized in Financial Data, where you will play a crucial role in developing robust backend systems that handle critical financial data processes. You will work closely with cross-functional teams to create scalable solutions that meet the evolving needs of our clients.

Join our innovative Data Solutions team, where we're developing the core intelligence platform relied upon by prominent public and private sector organizations to investigate threats, monitor risks in real-time, and extract valuable insights from blockchain and related data on a large scale. We prioritize agility and efficiency, seeking engineers who are eager to take ownership, thrive in a fast-paced environment, and are motivated by the mission requirements of our clients to deliver significant real-world impact.In this position, you will:Design and spearhead the development of new platform features that support critical investigations and monitoring processes.Manage services that handle the ingestion, transformation, and delivery of hundreds of terabytes of data, ensuring service-level objectives (SLOs) for latency, freshness, and availability are met.Enhance the scalability, performance, and cost-effectiveness of our data plane and APIs.Elevate quality standards across reliability, security, and compliance for both cloud and on-premises setups.Mentor engineers across various teams and influence the technical strategy beyond your immediate group.Own and improve backend services that drive customer-facing APIs, usage and billing systems, alerting, and data observability.Lead both team and cross-team initiatives from start to finish: discovery, architecture, implementation, rollout, and post-launch analysis.Design event-driven and streaming workflows (e.g., Kafka) with robust data contracts and schema evolution.Promote operational excellence through SLOs, runbooks, on-call duties, incident reviews, and capacity planning for high-query-per-second systems.Collaborate with product, data engineering/science, and security teams to translate customer needs into sustainable systems.We seek candidates who possess:Extensive backend engineering experience in building cloud-hosted services and data pipelines, preferably on AWS or GCP (experience with both is a plus).Strong expertise in APIs, streaming systems, and distributed systems (e.g., microservices on Kubernetes).Proven track record of managing systems at scale (hundreds to thousands of requests per second; terabyte to petabyte data volumes).High level of judgment regarding reliability, security, and cost management, demonstrating measurable improvements.Capability to lead through influence—mentoring, conducting design reviews, and collaborating across teams.

Join CoreWeave as an Engineering Manager, leading our Data Infrastructure team. You will be at the forefront of designing, building, and scaling our data systems that support our innovative cloud solutions. This role is essential for driving efficiency and performance in our data handling, ensuring our infrastructure meets the demands of our growing customer base.

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.

Speechify aims to remove barriers to learning by transforming text into audio. Over 50 million people use Speechify’s text-to-speech tools to listen to PDFs, books, Google Docs, news, and websites. The product suite covers iOS, Android, Mac, Chrome, and web platforms. Google recognized Speechify as Chrome Extension of the Year, and Apple awarded it the 2025 Design Award for Inclusivity. The company operates fully remotely with a team of nearly 200. Team members include frontend and backend engineers, AI researchers, and professionals from Amazon, Microsoft, Google, Stanford, and founders of successful startups. Role overview Speechify is hiring a Software Engineer for the Data Infrastructure & Acquisition team in the AI department. This role centers on managing and improving data collection processes that support model training. The team builds large-scale, high-quality datasets for AI research and development, focusing on both scale and cost efficiency. Location Rochester, NY, USA (remote team)

At Peregrine Technologies, backed by prominent Silicon Valley investors, we empower public safety organizations, local and state governments, federal agencies, and private sector entities to tackle societal challenges with unmatched speed and precision. Our cutting-edge AI platform transforms isolated data into actionable insights, delivering critical operational intelligence that enables swift, informed decisions to enhance outcomes across numerous sectors. Currently, we serve hundreds of clients across over 30 states and two countries, positively impacting over 125 million individuals. As we scale our operations into the enterprise and global markets, we are poised to amplify our influence even further.TeamOur engineering team prioritizes empathy in developing superior solutions. Understanding user interactions with our products is essential for finding optimal answers. Engineers are encouraged to collaborate closely with our onsite team to grasp the diverse use cases that Peregrine addresses.We emphasize both ownership and teamwork—you will be entrusted with significant features while collaborating with fellow engineers to ensure successful completion. We believe that humility and empathy are crucial to crafting the right solutions, and you will engage directly with our deployment team and users as we refine our offerings to meet their needs. Perseverance and creativity will be key to realizing our vision.RoleWe are seeking a Staff Data Infrastructure Engineer to join our dynamic team. In this role, you will have substantial ownership of the data layer that supports all of Peregrine's operations. Your responsibilities will include architecting and building systems that ingest, store, and serve vast amounts of real-time operational data, enabling our clients to make critical decisions swiftly and confidently.This role is ideal for an experienced individual contributor who thrives on complex technical challenges and possesses the expertise and judgment to influence foundational infrastructure decisions. You will face a variety of intricate challenges, including:Designing and managing a high-throughput, real-time data integration platform across diverse client environmentsArchitecting a scalable open table format layer for reliable data storage at petabyte scaleBuilding and optimizing distributed data processing pipelines using Apache Spark and related streaming technologiesEnhancing performance, reliability, and cost efficiency across the entire data infrastructure stackCollaborating with platform and product engineering teams to establish data contracts, schemas, and integration pathways

Speechify is seeking a Software Engineer focused on Data Infrastructure and Acquisition based in Ithaca, NY. This position centers on building and refining the core systems that drive the company's data operations. The work includes designing and enhancing data pipelines, supporting efficient processing, and developing methods for acquiring new data sources. Key Responsibilities Develop and optimize data infrastructure that supports Speechify’s products and services Implement and improve processes for acquiring and handling data Collaborate with engineers and other teams to strengthen the overall technology stack Contribute to how data is managed, processed, and integrated across the company Collaboration This role works alongside a skilled team dedicated to advancing Speechify’s approach to data. Team members share knowledge, solve problems together, and drive ongoing improvements in data systems.