Backend and Systems Engineer, Flows

Who Are We?At Postman, we are at the forefront of API innovation, empowering over 45 million developers and 500,000 organizations, including 98% of the Fortune 500. Our mission is to foster an API-first world by streamlining the API lifecycle and enhancing collaboration, allowing users to build superior APIs with remarkable speed.Headquartered in San Francisco, with additional offices in Boston, New York, Austin, Tokyo, London, and Bangalore—our birthplace—Postman is a privately held company backed by prominent investors such as Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. To learn more, visit postman.com or follow us on X via @getpostman.P.S: We encourage you to explore The 'API-First World' graphic novel to gain deeper insight into our vision at Postman.The OpportunityJoin us as we transform the way developers design, trace, and automate API workflows with Postman Flows, a groundbreaking visual programming tool that simplifies API-powered application development. With an intuitive drag-and-drop interface, Postman Flows facilitates collaboration among teams regardless of their technical proficiency.We are on the lookout for a Software and Systems Engineer to support the scaling and maintenance of our Flows runtime system, a mission-critical platform that operates in the cloud, focusing on low latency, high throughput, and maximum availability. Your contributions will be crucial in developing, deploying, and managing our backend services and infrastructure within a Kubernetes-based cloud environment.We seek an experienced engineer who is passionate about hands-on development and eager to iterate and improve our products on a weekly basis as we prepare for general availability. In this role, you will also serve as a mentor and role model to fellow engineers, making impactful technical decisions and enhancements that resonate throughout teams across various time zones.If you are driven to deliver exceptional solutions, we would love to have you on our team!Discover more about our Flows product vision here.

Our MissionAt Alchemy, we are dedicated to democratizing web3 technology for a billion users by equipping developers with the necessary tools to create outstanding on-chain products. As a comprehensive developer platform, we provide robust APIs, SDKs, and tools essential for building and scaling on-chain applications and rollups.Our infrastructure supports 70% of leading web3 teams, over 90% of web2 companies transitioning to web3, and serves more than 100 million end users. Our esteemed clientele includes top web3 brands such as Polymarket, OpenSea, Circle, WorldCoin, alongside major global enterprises like Shopify and Adobe.The Alchemy team is comprised of industry veterans with extensive experience in scalable infrastructure, AI, and blockchain, having held leadership positions at prestigious organizations and institutions like Google, Microsoft, Facebook, Stanford, and MIT.We are proudly backed by prominent venture capitalists and institutions including Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.About The RoleAs a Backend Software Engineer at Alchemy, you will focus on developing one of the most advanced and high-throughput distributed systems that serve as the backbone for billions of web3 users. This role presents a unique opportunity to tackle complex engineering challenges, gain exposure to the crypto landscape, and directly influence customer experiences.What You'll DoDefine the vision for our backend infrastructure that supports our product initiatives and guide your team in executing that vision.Design, build, and maintain a scalable and reliable infrastructure, APIs, and services.Engage in system design discussions, stand-up meetings, and code reviews.Establish and promote best practices for backend infrastructure focused on high throughput, reliability, and low latency.Diagnose and resolve production issues across services and multiple levels of the stack.Collaborate with technical and non-technical stakeholders to identify business priorities, define the team roadmap, and implement them.What We're Looking For8+ years of relevant industry experience.Bachelor's degree in Computer Science or a related field.Proven experience in designing, building, scaling, and maintaining core backend software components, with a focus on API platforms.Strong problem-solving skills for complex design, scaling, latency, or performance challenges within high-throughput, low-latency production systems.Hands-on experience with Java, Golang, C++, or similar programming languages.Experience in Cloud Native environments.

Are you frustrated with the inefficiencies and complexities of traditional finance? So are we! At Superstate, we are pioneering innovative investment products that leverage the rapid, programmable, and regulatory advantages of blockchain tokenization.As a Staff Backend Engineer at Superstate, you will be instrumental in shaping the landscape of tokenized assets. Your expertise will contribute to the development of blockchain-integrated systems that empower investors to self-custody their financial assets. You will design robust systems, APIs, and infrastructure aimed at enhancing the efficiency of financial operations.

About Tru Identity Tru Identity is dedicated to revolutionizing the importation process of goods into the United States, aiming to simplify trade compliance within an industry valued at $4 trillion annually. Our innovative platform empowers companies worldwide to ensure compliance even before their shipments leave the port of origin, facilitating timely deliveries, maintaining sales momentum, and supporting international expansion. We assist importers, marketplaces, and logistics providers in automating the intricate regulatory compliance tasks that can hinder trade, ultimately saving time and resources while minimizing fraud and frustration. Although we are still in our early stages, our rapid growth is evidenced by the commercial and government clients we have already secured. By joining us at this pivotal moment, you will play a crucial role in our foundational team, enjoying significant ownership, the ability to influence product development, and the opportunity to contribute to a transformative venture from its inception. We thrive on agility, focus, and a culture that values perseverance and creative problem-solving.

Continua is at the forefront of innovation with our AI agent, designed to enhance group conversations by streamlining planning, coordination, and information retrieval. Backed by industry leaders like Google and Bessemer Venture Partners, we are shaping the future of socially-intelligent AI.With our rapid growth in recent months, we are seeking a talented individual to elevate the quality of our AI agent experience and help us scale to new heights.This is a hybrid role based in New York, NY, requiring onsite presence 3+ days per week.

Continua has pioneered an innovative AI agent that seamlessly integrates into group conversations, simplifying planning, coordination, and information retrieval. Backed by industry leaders such as Google and Bessemer Venture Partners, Continua is at the forefront of developing socially-intelligent AI solutions.In light of our impressive growth trajectory, we are eager to welcome an experienced systems software engineer who will elevate the quality of our AI agent experience and help scale our operations to new heights.This is a hybrid position based in New York, NY, with in-office work expected 3+ days per week.Key Responsibilities:Architect, develop, and optimize backend services and APIs using Python (and preferably Go) to support our AI agent platform.Collaborate with machine learning engineers to incorporate large language models (LLMs) into production systems effectively.Lead feature development from concept to deployment: gather requirements, code, test, and iterate.Enhance system reliability and scalability by improving testing processes, eliminating performance bottlenecks, and refining infrastructure.Work closely with cross-functional teams, including our CEO, product manager, and designers, to transform product vision into technical solutions.Engage in on-call rotations and production maintenance to ensure a superior user experience.Your Profile:You are a seasoned Systems Software Engineer with a solid understanding of both backend and frontend systems. You possess a balance of technical expertise and product insight, creating reliable, user-centric applications that can scale effectively. You thrive in a fast-paced startup environment, collaborate across disciplines, and take ownership of features from inception to launch.Your adaptability in ambiguous situations, enthusiasm for emerging AI technologies, and commitment to a hybrid working model in New York City will make you an ideal fit.7+ years of experience in infrastructure and backend engineering.Solid understanding of database technologies, such as SQL, Postgres, etc.Strong product intuition, balancing user needs with technical feasibility.Comfortable working across the entire technology stack, from frontend to backend and data pipelines.Familiarity with cloud architecture and deployment, especially on Google Cloud Platform (GCP) or Terraform.Ability to work autonomously and manage uncertainties in a dynamic environment.

Join Via, where we leverage technology to revolutionize global transportation. As a Senior Backend Engineer, you will play a pivotal role in our Platform team, contributing to innovative solutions that impact the daily commutes of thousands while minimizing environmental impact. Collaborate with a talented group of developers and DevOps engineers to build and maintain the cutting-edge infrastructure that powers our operations. This hybrid role requires you to be onsite in NYC 2-3 days a week, allowing for hands-on teamwork and collaboration.

Join Our Team as the Editorial Director for Flow SpaceAs a pivotal member of our leadership team, reporting directly to the Chief Content and Live Media Officer, the Editorial Director for Flow Space will spearhead the growth and influence of SHE Media’s innovative health brand, Flow Space. Launched at SXSW in March 2023, Flow Space is dedicated to empowering women in their third life chapter and beyond through inspiring science-based content and stories that promote holistic health.This role entails guiding a talented team of six dedicated staff members while harnessing shared resources in marketing and video production. You will be responsible for crafting and executing Flow Space’s editorial strategy, specifically targeting the health needs of midlife women. Collaborating closely with our Flow Space Advisory Board, you will explore editorial and marketing partnership opportunities to enhance our brand’s reach.The ideal candidate will embody an entrepreneurial spirit with a strong growth mindset, demonstrating self-motivation, collaboration, and a passion for creating exceptional content and community engagement. A proven leader in digital media publishing and content marketing, you should possess extensive experience in credible health reporting, outstanding communication skills, and an analytical approach to performance metrics, all while fostering relationships with external contributors.

Senior Staff Backend EngineerLocation: Manhattan, New YorkOnsite | Full-timeJoin our dynamic team at mlabs, the innovative engine behind one of the most visited platforms in the digital asset industry. With a staggering ~$1B in daily volume, our cutting-edge technology stack is designed to manage low-latency, high-throughput, and consistent load at an unprecedented scale.The RoleAs a Senior Staff Backend Engineer, you will be a pivotal technical leader, ensuring the robustness and continuous advancement of our core backend systems. Your role involves a combination of high-level architectural oversight and hands-on execution, focusing on mitigating scaling challenges and designing resilient, fault-tolerant systems that can handle substantial workloads.What You’ll Do:Own & Execute: Take charge of writing and deploying production code for core services, leading the design and implementation of high-scale distributed systems.Architect for Scale: Make informed decisions that harmonize swift iteration with long-term system scalability and maintainability.Drive Initiatives: Spearhead projects that involve multiple services, including storage, compute, APIs, and blockchain infrastructure.Set the Standard: Create benchmarks for observability, reliability, and performance, while enhancing engineering quality through design reviews and RFCs.Technical Leadership: Serve as a technical anchor during critical incidents and mentor peers, sharing your depth of knowledge and clarity of thought.Optimize Velocity: Enhance the internal developer experience by refining tools, CI/CD pipelines, and service abstractions.

Join dualentry as a Senior Backend Engineer, where you'll be at the forefront of developing cutting-edge backend solutions. In this role, you will collaborate with cross-functional teams to design, implement, and optimize robust server-side applications. Your expertise will be crucial in enhancing system performance, scalability, and security.

About the RoleAt Counsel Health, we have developed an innovative product that has garnered admiration from both patients and physicians, utilizing a fast-paced technology stack. As we continue to grow, the complexity between our application code and infrastructure is expanding. We are seeking a talented individual who thrives in this dynamic intersection.We are in search of a Backend Infrastructure Engineer who embodies both software engineering and infrastructure expertise. This role is not about working in isolation writing Terraform scripts all day or solely delivering product features in React. Instead, you will work within the essential layer that connects our CI/CD pipelines, Infrastructure as Code (IaC) for our AWS environment, backend services, and the developer tools that empower our rapidly expanding engineering team.Your ResponsibilitiesEnhance Our Infrastructure-as-Code: Design and manage our cloud infrastructure utilizing Terraform.Optimize CI/CD Processes: Take ownership of our build, test, and deployment pipelines from start to finish. Aim to make production deployments effortless, speedy, reliable, and automated.Backend Development: Create production-level backend services and contribute to our core server-side systems. You are proficient in writing application code, not just orchestrating it.Create Core Archetypes: Develop production-grade archetypes for new deployments, jobs, consumers, and workers. You are adept at building an abstract base stream consumer or cron executor for widespread application.Enhance Developer Experience: Act as the engineer who accelerates the productivity of other engineers. Streamline local development workflows, decrease build times, resolve flaky infrastructure issues, and create internal tools that the team genuinely values.Security & Compliance: Collaborate closely with our security and compliance team to strengthen our infrastructure security posture, including secrets management, IAM policies, network isolation, and audit logging in a HIPAA-compliant environment.Who You AreA Bridge Builder: You feel at home in an IDE crafting application code as well as in a terminal managing cloud infrastructure. You view backend and infrastructure as intertwined disciplines.An Automation Advocate: If a task is done manually more than twice, you are already scripting it for automation.A Systems Thinker: You comprehend how a request traverses through various systems and how they interact.

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.

Join our innovative team as a Backend Software Engineer and help us redefine the future of talent acquisition. At Lever, we are committed to building cutting-edge hiring software that empowers organizations like Netflix, Shopify, and Spotify to attract and retain top talent. As we continue to evolve and enhance our platform, we seek passionate individuals who thrive in a collaborative, people-first culture.While this posting serves as a test job for Lever's environment, we invite you to explore our actual openings and consider joining our award-winning team.

Field sales is a critical driver of our economy; however, many teams are facing challenges. Sales representatives find themselves overwhelmed with administrative tasks, managers are stretched thin, and leaders lack visibility into field activities.At Siro, we are revolutionizing the way field sales teams engage, learn, and succeed.Initially launched as an AI-driven coaching platform aimed at enhancing sales outcomes, we have evolved into a more comprehensive solution. Our intelligent companion not only automates mundane administrative tasks for sales reps but also provides managers with real-time insights and empowers executives with predictive analytics.Our platform seamlessly integrates with systems like Salesforce, analyzing a multitude of in-person sales conversations to extract valuable insights, automate workflows, and enhance organizational performance. Imagine having an Iron Man-like assistant tailored for sales—proactive, personalized, and integrated with the tools teams rely on daily.Backed by $75 million from prestigious investors such as Index, Fika, CRV, and SignalFire, Siro serves leading brands in home improvement, retail, hospitality, and automotive industries. Our team comprises talented individuals from top-tier companies including Meta, McKinsey, DoorDash, and Uber.Join us as we shape the future of human-AI collaboration in sales—this is just the beginning!

At Mirage, we are pioneering an AI-driven video platform that revolutionizes the production and editing process through natural language. Our innovative models harness contextual intelligence to replicate the creative decisions made by professional editors, thereby significantly enhancing productivity for experienced teams while democratizing video creation for all.Join our interdisciplinary team as we confront some of the most complex technical and creative challenges in generative media. As an early member of our team, your contributions will address foundational issues that remain largely unresolved in the industry, allowing you to make a substantial impact on the future of creative expression.Learn more about usProduct (Captions by Mirage) Research (Seeing Voices, technical-white-paper)Updates (Follow us on X / Twitter)TechCrunch, Forbes AI 50, Fast Company (press releases)Our Esteemed InvestorsWe are privileged to have the support of top-tier investors and visionary entrepreneurs, including Index Ventures, Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, and many others.Please note that all roles require in-person attendance at our NYC headquarters located in Union Square.Role OverviewAs a Backend Software Engineer at Mirage, you will have the opportunity to engage in diverse areas including product development, platform engineering, and machine learning. You will be responsible for building and managing the systems, services, APIs, and machine learning pipelines that drive our product offerings. Collaborating closely with product, design, client, and AI teams, you will take ownership of critical backend systems from conception to completion, transforming ambitious ideas into robust and scalable production solutions.

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.

Match Group, Inc. is hiring a Senior Backend Engineering Manager to lead the Recommendations team in New York. This position guides a skilled group of engineers focused on building and improving recommendation algorithms and systems that support user experience across multiple platforms. Role overview The Senior Backend Engineering Manager takes responsibility for technical direction and team leadership. The work centers on backend technologies, with a strong emphasis on advancing recommendation systems that directly impact how users interact with Match Group’s products. What you will do Oversee and mentor backend engineers on the Recommendations team Drive the design and implementation of recommendation algorithms and supporting systems Focus on delivering solutions that improve user experience across Match Group platforms Requirements Experience leading backend engineering teams Background in developing recommendation systems or similar backend technologies Strong problem-solving skills and the ability to turn complex challenges into practical solutions

Join our dynamic team at Blacksmith as a Principal Systems Engineer, where you will play a crucial role in designing, developing, and implementing innovative systems solutions. Your expertise will guide projects from conception to execution, ensuring they meet both technical and user requirements.

Join Ramp as a Backend Engineer specializing in operations. In this role, you will play a crucial part in designing and implementing robust backend systems that enhance our operational workflows. You will collaborate with cross-functional teams to ensure seamless integration of our technology solutions, driving efficiency and scalability.