Api Engineer Jobs
Browse 279 exciting jobs hiring in Api Engineer now. Check out companies hiring such as Slate, NVIDIA, Jobgether in Portland, Garden Grove, Charlotte.
Lead the development of Slate’s brand management experience, building polished, stateful frontend systems that make applying brand assets effortless across the editor.
NVIDIA is looking for a Senior Systems Software Engineer to build and operate Golang-based cloud platform services that enable large-scale Kubernetes-powered AI infrastructure.
Senior quality engineering role focused on designing test strategies and automation to ensure reliability and performance of large-scale financial trading systems in a fast-paced fintech environment.
Lithic seeks a Senior Software Engineer, Data Platform to build production Python backend services and REST APIs that reliably expose Snowflake-powered data to internal consumers.
An opportunity for a motivated student to join a development team as a Software Engineer Intern and work on Angular front-ends and C# backend services while leveraging AI development tools.
Contribute as a full-stack engineer on FIS's Money Movement Hub, building scalable AWS-based microservices and improving CI/CD and operational reliability for payment platforms.
Crusoe is hiring a Software Engineer, Control Plane to develop and scale high-throughput, fault-tolerant control plane services for its AI-focused IaaS platform.
Senior full-stack engineer needed to architect and build scalable microservices and APIs, mentor peers, and integrate AI-first practices within GEICO's cloud-native engineering organization.
Senior QA Engineer (Data Integrations) to design and execute automated end-to-end and API tests that ensure reliable, high-volume SIS synchronizations for a remote-first higher-ed platform.
CareMessage is hiring a Senior Software Engineer I (L3) to lead full‑stack development and technical direction for its Rails + React core application serving safety‑net clinics.
Help enterprises integrate Qloo’s AI-driven consumer insights by supporting sales cycles, building demos, and enabling customers as an Associate Solutions Engineer.
Senior Software Engineer role at Trupanion to design, build, and maintain scalable C#/.NET/Azure SaaS solutions while working in a hybrid Seattle-based Agile team.
Seeq is hiring a Staff Software Engineer - Platform to architect and build scalable cloud-native platform services that power analytics for industrial customers.
Experienced full-stack engineer needed to design and deliver cloud-native, data-driven applications for a government-focused product suite improving Medicaid drug access and transparency.
Lead the API-first modernization of GEICO’s servicing platforms as a Staff Engineer designing and delivering scalable Java-based microservices, event-driven systems, and AI-enabled engineering practices.
Senior Software Engineer (remote) to design scalable services and APIs for a leading solar design and sales platform, driving cleaner energy adoption.
Build and maintain scalable backend and full-stack features for an industry-leading solar design and sales platform as a senior engineer on a fully remote team.
Foodsmart is hiring an experienced SDET to develop scalable automated test frameworks across web, mobile, backend, and data layers to ensure high-quality, reliable software that advances our mission.
Senior Software Engineer (remote) to build and maintain APIs and scalable services for an industry-leading solar sales and design platform.
Senior Platform Engineer sought to design and build scalable, API-first backend systems and configuration-driven tooling that power progression, rewards, leaderboards and account services for high-scale game experiences.
Transamerica is seeking an experienced AI-focused Specialist Software Engineer to lead the design and deployment of agent-based and LLM-driven systems on AWS in a hybrid Cedar Rapids role.
Lead the design and delivery of developer-facing tools, SDKs, and automation to dramatically improve developer productivity at a fast-growing industrial analytics company.
The SAI Research Lab is hiring an Associate Applications Developer to build and maintain research-grade software using C, C++, and Python in Linux-based, edge-to-cloud and AI-enabled environments.
Lead the technical architecture and implementation of distributed systems for QualityOS, driving reliability, scalability, and cross-team alignment for Anduril’s manufacturing execution platform.
Penn Mutual is seeking a seasoned Staff Software Engineer to architect and deliver scalable, secure backend systems and provide technical leadership across cloud-native initiatives.
Synctera is hiring a Senior Backend Engineer (Go) to develop scalable risk and compliance services and integrations that secure fintech, bank, and payments workflows.
Help architect and operate FriendliAI’s enterprise inference platform as a Senior Backend Engineer focused on APIs, multi-tenant SaaS features, and data/system reliability at scale.
dMetrics seeks a Senior Backend Engineer to design and implement high‑throughput Java services and data pipelines that power a production ML/NLP analytics platform.
Hercules is hiring a senior/staff full-stack engineer to build and own core features across an AI-first SaaS platform using TypeScript, React, and scalable cloud infrastructure.
Lead cross-team engineering to build scalable catalog, integration, and AI-native merchant systems that improve onboarding, catalog health, and merchant growth at Pinterest.
Experienced MuleSoft engineer needed to design and deliver Mule 4 APIs and integrations on Anypoint Platform to support enterprise connectivity and scalable production integrations for AXS.
WHOOP is hiring a Senior Fullstack Software Engineer to develop scalable AI platform features and seamless member experiences from frontend interfaces to backend APIs.
Provide expert technical support for Tines’ automation platform, resolving API and integration issues and helping customers implement secure, scalable workflows while contributing product feedback.
Experienced software engineer needed to build and integrate scalable, secure payment and AI-enabled systems for Visa’s global platforms.
Wellmark is hiring a seasoned Platform Engineer to design, build, and scale agentic AI platforms and infrastructure that enable autonomous, enterprise-grade AI workflows.
GoodLeap is hiring a Senior Full-Stack Software Engineer/Tech Lead to drive frontend-focused, full-stack initiatives and build scalable, AI-enabled finance platform features while mentoring teammates.
Senior Software Engineer needed to develop scalable, LLM-powered agentic systems and cloud-native backends for NBCUniversal's AI initiatives.
540 is hiring a remote Test Automation Engineer to create and run automated tests for a next-generation Air Force maintenance platform leveraging Angular, Apigee, Kubernetes, and GCP.
Lead and scale Tines' East Technical Support Engineering team to deliver world-class support for enterprise and public-sector customers while driving process improvements and cross-functional collaboration.
Workday is hiring a Principal Software Engineer to own and evolve AI-native infrastructure tooling and automation across large-scale, distributed platform environments.
Contribute to Poshmark’s Growth Cloud Platform by building backend APIs, ML/AI scoring integrations, and tracking to surface higher-quality listings across external sharing channels.
Senior technical leader sought to architect and own cloud infrastructure and platform systems that enable scalable, reliable production services and modern AI-assisted engineering workflows.
Lead engineering of API-first Ruby on Rails platform services that enable front-office AI and automation for a large healthcare SaaS provider.
Lead the software architecture and development for a production environmental monitoring platform at DRI, ensuring stability, security, and alignment with operational and compliance requirements.
Experienced full-stack engineer needed to build and scale Calendly’s platform and migrate core functionality from a monolith to services while delivering high-impact features for enterprise customers.
Senior platform engineer role building and scaling agentic AI platforms, RAG/vector search systems, and LLM-driven workflows to advance enterprise AI at Wellmark.
Work on OpenAI's Integrity Foundations team to design and implement full‑stack systems and internal tooling that detect, prevent, and mitigate adversarial abuse across the platform.
Senior Platform Engineer role building scalable, API-first backend services and configuration-driven systems for real-time player experiences on a fully remote, internationally distributed team.
CapTech is hiring a seasoned Full-Stack Engineer to build scalable API-driven systems and modern web front ends for client engagements using Microsoft or Java stacks and contemporary front-end frameworks.
Level All seeks a Senior Elixir Software Engineer to help build and scale a Phoenix/LiveView platform that supports students and educators.
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