Senior Software Engineer, API & AI Infra
Postman Fern
Postman Fern is seeking a Senior Software Engineer to build APIs, scale AI infrastructure, and design developer experiences reaching millions. You’ll work on AI systems deployed on AWS and Vercel, ensuring performance, reliability, and security under real-world load. You will collaborate with product designers and frontend engineers using TypeScript and Next.js, debug production edge cases, and shape APIs based on customer feedback while delivering improvements quickly. #J-18808-Ljbffr Postman Fern
$160k - $200k
...health and wealth. Powered by AI and advanced analytics, Nayya’... ...wealth for all.About the teamThe API Platform team builds the... ...external partners, and the AI engineers building on top of the platformSet... ...for6+ years of professional software engineering experience, with significant...SeniorWork at office- ...build, and operate the APIs and services that power... ...partner integrations, and AI-driven experiences.... ...external partners, and engineers building on the platform... ...Looking For ~6+ years of software engineering experience,... .... Looking for a senior backend/platform engineer...Senior
- Postman’s Fern team in New York City is looking for a Senior Software Engineer to build APIs, scale AI infrastructure, and design developer experiences for a broad audience. The role involves collaborating with designers and frontend engineers using TypeScript and Next...Senior
$192k - $240k
...management, bill pay, and travel software, Brex enables founders and... ...spend effortlessly. Brex’s AI-native automation and world-class... ...you need to grow your career.Engineering at BrexEngineering at Brex is... ...leaders.What you’ll doAs a Senior Software Engineer,...SeniorWork at officeRemote workWork from home$213k - $263k
...unique challenges. The Eval Authoring APIs team’s mission is to establish the foundational... ...an experienced, technically hands‑on Senior Software Engineer to design and implement these core... ...with Eval developers, sim and analysis infra teams to translate ambiguous requirements...SeniorFull timeRemote work$200k - $300k
...process millions of orders across APIs and LLM pipelines Build... ...direction, and hiring future engineers Who You Are ~5+ years engineering... ..., ideally with backend infra + distributed systems ~ Experience... ...Big surface area: From AI pipelines to Shopify apps to RAG...Senior$140k - $200k
...Our capabilities span Data & AI, Cybersecurity, Risk &... ...deep industry expertise with engineering excellence to help clients modernize... ...are seeking an experienced Senior Python API Developer to design and... ...coding standards. Apply software design patterns and architectural...SeniorFull timeTemporary workRemote workWorldwide- Nayya in New York is building the API Platform team that designs, builds, and operates the... ...powering our products, partner integrations, and AI agents. You will own services end-to-end from architecture to deployment, mentor engineers, set API standards and observability, and...Senior
- Nomic, Inc. is seeking a Senior Software Engineer for their New York office. This hybrid role involves... ...Nomic platform, where you'll work on UI, APIs, and backend services primarily using... ...engineering, with a strong focus on using AI coding tools as part of their workflow....SeniorWork at officeFlexible hours
$193.4k - $290k
...combining frontier agentic AI, an enterprise-grade... ...Role Overview As a Software Engineer, Agents, you'll build the... ...Work with our model infra team to design and implement... ...this role across Mid, Senior, and Staff levels.... ...experience working with LLM APIs and agent frameworks....Senior- ...advantage with next-generation AI. It all started on a... ...world. We’re a team of engineers and data scientists... ...domains—from API design and data modeling... ...Pandas) – We value your software engineering fundamentals... ...PostgreSQL, Redis. Infra: AWS (EC2, RDS, EKS),...SeniorVisa sponsorship
- The API & Auth Platform team enables product teams across... ..., and securely. As Sr Engineering Manager, you will lead a team of senior/staff engineers stewarding... ...and regulators expect As AI tooling reshapes how we... ...that affect multiple teams’ software systems, tooling, and...SeniorSummer holidayWork at officeFlexible hours
$140k - $200k
...developing high-performance APIs with Python and modern... ...code. ~ Knowledge of software design patterns,... ...with product managers, engineers, and infrastructure teams... ...Python Redis Web AI DevOps... ...financial products. This Senior Python API Developer role...SeniorFull timeTemporary workRemote workWorldwide- ...Senior / Staff / Principal Software Engineer (Python) Position Summary We are seeking a highly experienced software... ...build, and scale a next-generation AI platform. This individual will serve... ...systems, platform architecture, APIs, and data services that support complex...SeniorFull time
$180k - $260k
...Senior Software Engineer New York City, Hybrid $180,000–$260,000 + equity About the Company We’re working with a fast-growing AI healthtech company using automation to make medication access... ...likes working across backend, APIs, data and customer-facing product...Senior$10k
...do it.About the RoleRamp's Dev API team builds the programmatic... ...surfaces that let developers and AI agents read from and write to... ...it trivially easy for any engineer at Ramp (or outside it) to ship... ...experience, and wants to define how software interacts with financial...Full timeWork at officeHome officeFlexible hours- ...Our client is an AI-powered Data Analytics plaform for the enterprise... ...are currently staffing in their Software Engineering Team. They are currently seeking a Senior Backend Software Engineer to... ...and scaling backend services and APIs with Golang and Python. Applicants...SeniorFull timeImmediate start
- ...Swish Labs is building the AI-native infrastructure... ...replaces fragmented software, manual workflows, and... ...collaborative team, which means engineers at Swish Labs have... ...We’re looking for a Senior Backend Engineer to help... ...loan workflows Develop APIs and integrations with...SeniorFull timeWork at office
$194k - $235k
...I’m working with an early-stage AI startup building software that helps banks and wealth managers deliver... ...looking for a strong backend-focused engineer who can own application development... ...features, internal applications and public APIs, alongside distributed backend...SeniorFull timeWork at office- ...Rippling, we're not just building AI features, we're building an... ...bet at the company.As a Senior Engineer on AI Platform, you'll own meaningful... ...engineers across product, infra, and platform orgs. You'll... ...outcomesWhat you will need5+ years of software engineering experience with a...SeniorWork at office3 days per week
$180k - $220k
...Senior Software Engineer - Fintech Start-Up We’re partnering with an early-stage fintech company building next-generation enterprise software... ...spanning backend engineering, frontend development, APIs, and AI-powered applications. You’ll build and scale production...SeniorFull timeWork at officeImmediate start- ...Location: New York, NY We are seeking a Senior Software Engineer to help build the foundational platforms that power enterprise AI products used by legal, tax, and government... ...build, and operate cloud-native platforms, APIs, developer tools, and infrastructure that...SeniorFull time
- ...Exponent — Director of Engineering, AI Accounting Company Description Exponent is the fastest-growing financial technology platform built... ...data reliable: Integrate against difficult third-party APIs and design ingestion that is idempotent by default — deduplication...SeniorFull timeWork at office
- ...correctness, security, and scale are critical.As a Senior Backend Engineer, you’ll design and build the services, APIs, and platform primitives that power complex... ....This role also supports Rippling’s expansion of AI-powered workflows across HR, IT, Finance, Spend,...SeniorWork at office3 days per week
$210k - $280k
...Senior Software/AI Engineer Location: New York City, NY Work Arrangement: Hybrid, 3 days per week onsite Compensation: $210,000 - $280,... ...'ll Do Design, build, and maintain backend services and APIs powering the core product. Develop production software primarily...Senior3 days per week$165.3k - $219.68k
...passionate about enabling data and AI teams to solve the world's... ...their business. Founded by engineers — and customer obsessed — we leap... ...Bricks, and Foundation Model APIs, to state a few.Improve reliability... ...with platform, infra, and ML teams to deliver seamless...SeniorLocal areaWorldwide$140k - $180k
...About Koop.ai Koop.ai secures and insures mission-critical operations across AI,... ...faster. About the Role You will be a software engineer working across the stack and on the Koop... ...with AWS services. You will build the APIs and user-facing experiences powering the...SeniorWork at officeRemote workRelocation- ...Overview Airbase builds the software platform for radio frequency spectrum... ...this. We’ve built novel AI pipelines to digitize this analog... ...a glance. Develop Robust APIs: Build the API-first data... ...Infrastructure: Help shape our engineering culture, best practices, deployment...SeniorFull time
- ...Our approach combines software, data infrastructure, and AI/ML with deep agricultural... ...ground up and looking for engineers who want meaningful ownership... ...Role: We’re looking for a Senior Software Engineer with... ...ownership. You’ll build services, APIs, integrations, and...SeniorFull time
- ...processes. We are seeking a senior engineer with hands-on experience building... ...pipelines, data services, APIs, and analytical... ...capacity and speed. Keywords:Software Engineer, Python, Fixed Income... ...Platforms, CI/CD pipelines, ML and AI financial applications Please...SeniorFull time
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