376 to 400 of 508 Permanent API Design Jobs

model and tool footprint. This is a high-leverage role tackling complex systems challenges across the entire stack. Runtime, observability tooling, and framework design are three separate specialties. We are glad to hire someone with real depth in a combination of them. What You’ll Build Design … handoffs, state changes, and runtime decisions Develop clear Python APIs, libraries, and DSLs with stable extension points for tools, backends, and new execution models Design scheduling, placement, backpressure, resource accounting, sandboxing, permissions, and isolation for secure tool execution at scale Develop tooling for trajectory collection and visualisation, performance profiling ...

that executes complex, multi-leg synthetic strategies on behalf of institutional clients. Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player-coach role: you will apply … output. Own the technical direction of the ICRV greenfield project, developing high-performance, scalable, and robust solutions from first principles through to production operation. Design for hard non-functional requirements: latency and responsiveness budgets as acceptance criteria, crash containment, least-privilege isolation between sub-applications. Work effectively with ...

executes complex, multi-leg synthetic strategies on behalf of institutional clients.**Role Overview**ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player-coach role: you will apply … output.* Own the technical direction of the ICRV greenfield project, developing high-performance, scalable, and robust solutions from first principles through to production operation.* Design for hard non-functional requirements: latency and responsiveness budgets as acceptance criteria, crash containment, least-privilege isolation between sub-applications.* Work effectively with ...

better working world. Senior Consultant - AI Tech Transformation - TC - FS The opportunity We are seeking a Senior Consultant specializing in generative AI to help design and build GenAI solutions for our clients. This is a hands-on, delivery-focused role: you will build key solution components, support the overall … Responsibilities Build and deliver GenAI solution components: RAG pipelines, prompt orchestration, tool-calling integrations, and APIs. Support the solution architecture and contribute to design decisions within your components. Ensure your components are reliable, secure, performant, and cost-aware. Contribute to delivery execution: implementation, testing, debugging, and resolution of technical ...

better working world. Senior Consultant - AI Tech Transformation - TC - FS The opportunity We are seeking a Senior Consultant specializing in generative AI to help design and build GenAI solutions for our clients. This is a hands‐on, delivery‐focused role: you will build key solution components, support the overall … Delivery Build and deliver GenAI solution components: RAG pipelines, prompt orchestration, tool‐calling integrations, and APIs. Support the solution architecture and contribute to design decisions within your components. Ensure your components are reliable, secure, performant, and cost‐aware. Contribute to delivery execution: implementation, testing, debugging, and resolution of technical ...

Cloud and Order Management capabilities to support Heathrow's retail and service operations. You will define technical standards, ensure best practices, and guide the design of integrated solutions that enhance customer experience and operational efficiency. Success in this role means delivering secure, scalable, and high-performing platforms that enable … with expertise in Commerce Cloud and Order Management. Strong understanding of Salesforce platform architecture, integration patterns, and security best practices. Hands-on experience with API design, data modelling, and system integrations. Excellent stakeholder management and communication skills. Ability to lead technical discussions and influence decision-making at senior ...

than the strategic call Delivery & Execution Work with Product Owners (Buyer and Seller) to translate roadmap items into scoped, sequenced engineering execution Own technical design and implementation choices day to day, operating within established architectural patterns without requiring sign-off for routine work Escalate to Product Owner Heads where … mentoring, performance management Direct experience leading an engineering transformation, restructuring teams, process, or architecture, while keeping a live, revenue-generating platform running throughout Strong API design and system architecture experience Production experience with MySQL, Couchbase or MongoDB, and Redis GCP, deploying and operating live services at scale Experience ...

with Stripe and OnRamp Contribute to the migration from Angular to React Participate in claims processing and onboarding system development Collaborate closely with product, design, and a small engineering team to deploy features end-to-end What We're Looking For Required 5+ years of professional full-stack development … React Payment Technologies Back-end skills in Node.js or a comparable server-side language AWS experience, comfortable with services such as Lambda, ECS, S3, API Gateway, or similar cloud-native building blocks MongoDB or comparable NoSQL database experience Familiarity with AI-assisted development tooling Strong RESTful API design ...

heart of immersive, physical learning and play. You implement the game formats designed by our content team, in close partnership with our engineering and design teams. You combine our many device capabilities to make delightful, surprising experiences: Using audio, voice, display, light, haptics, and sensing of physical objects. … company to be the place where you do your best work: With autonomy, curiosity, optimism, and playfulness. What You’ll Work On Experience Design and Implementation Implement the game formats and experiences our content team designs Turn rough prototypes into robust, replayable experiences Design abstractions that allow ...

joining an established team where you’ll have the opportunity to work alongside other Junior and experienced developers, contributing to the design and development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# … . 2 – 5 years of professional experience in backend development. Strong proficiency in C# and .NET Core (latest versions). Solid understanding of RESTful API design and integration. Familiarity with CI/CD pipelines and Git for version control and continuous integration. Excellent problem-solving and analytical skills ...

joining an established team where you’ll have the opportunity to work alongside other Junior and experienced developers, contributing to the design and development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# … . 2 – 5 years of professional experience in backend development. Strong proficiency in C# and .NET Core (latest versions). Solid understanding of RESTful API design and integration. Familiarity with CI/CD pipelines and Git for version control and continuous integration. Excellent problem-solving and analytical skills ...

joining an established team where you’ll have the opportunity to work alongside other Junior and experienced developers, contributing to the design and development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# … . 2 – 5 years of professional experience in backend development. Strong proficiency in C# and .NET Core (latest versions). Solid understanding of RESTful API design and integration. Familiarity with CI/CD pipelines and Git for version control and continuous integration. Excellent problem-solving and analytical skills ...

best out of them and we'll look to you to apply good judgement on what lands in main.In this role, you will:Design, build, test, and maintain reliable software components that deliver high-quality customer and business outcomes.Translate product and technical requirements into maintainable solutions, applying sound engineering … role.Experience owning and delivering features or components within a service or defined technical area.Proficiency in software development fundamentals, including coding, testing, debugging, version control, API design, data modeling, and low-level system design.Experience working with cross-functional partners to deliver, operate, and improve production software.Preferred Qualifications:Experience designing ...

templates, and agentic workflows, and wire them into application logic that connects with the department's legacy and multi-cloud systems. Prompt Engineering & Evaluation Design, test, and iterate on prompts and retrieval strategies; run structured evaluations to track answer quality, retrieval accuracy, and hallucination rate over time. Responsible … build can be understood and maintained by internal government engineers. Required Skills & Experience Practical experience building applications using LLMs or other foundation models, via API or self-hosted Experience with RAG architectures, vector databases, and embedding-based retrieval Solid general-purpose programming (commonly Python) and API design ...

team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player-coach role: you will apply … C#/.NET (LTS): back-end services with ASP.NET Core.Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design) in a production trading environment.Experience building desktop applications that host web content (e.g., Electron, Tauri, or custom .NET host); comfortable with WebSocket ...

with support for the teams and scientists who depend on them. Key responsibilities include: Own a group of device controllers end to end, covering API design, implementation, rollout and ongoing operational health. Make services robust against the ways real instruments fail. Bring devices onto our current framework ...

GlobalLogic, a Hitachi Group Company, is seeking a Backend Engineer to design and build robust microservices using Java 17+ and Spring Boot 3. You will work across the full backend stack, from API design through production-grade integration testing, with a focus on event-driven patterns using … Kafka. The role involves applying domain-driven design, using MapStruct and Feign for service communication, and managing builds with Gradle. Hybrid work from Glasgow 2 days per week is supported. #J-18808-Ljbffr ...

practice scales, we are seeking an experienced AI Architect/Engineer to act as the senior technical authority shaping how we design and deliver next‐generation AI solutions. This is a role for someone who has moved beyond building individual models to architecting entire systems: agentic platforms, LLM‐powered … ambiguous business problems into robust, deployable architectures. As engagements mature, you will provide the technical oversight that keeps delivery teams aligned to the original design intent. Your influence will be felt in pre‐sales conversations, solution blueprints, and the technical standards that define how our practice builds. This ...

focused on building a new platform that sits above its existing search technology stack. The project will involve creating a lightweight abstraction layer and API architecture that simplifies the user experience, whilst providing a foundation for future search platform evolution. This is an opportunity to work on a greenfield … quality solutions. Key responsibilities include: Designing and developing .NET Core services and APIs Building abstraction layers between front-end applications and search technologies Developing API services Working with Azure cloud services Designing and maintaining SQL databases Collaborating with senior stakeholders and engineers to refine requirements Contributing to architecture ...

Commerce Cloud and Order Management capabilities to support Heathrows retail and service operations. You will define technical standards, ensure best practices, and guide the design of integrated solutions that enhance customer experience and operational efficiency. Success in this role means delivering secure, scalable, and high-performing platforms that enable … solutions, ensuring alignment with enterprise standards. Collaborating with business and technical teams to translate requirements into scalable, secure, and high-performing solutions. Leading technical design sessions and providing guidance to development teams on best practices and integration patterns. Defining and maintaining architectural documentation, including data models, integration diagrams ...

JPMorganChase in London is seeking a Sr Lead Software Engineer (Java/Python) to help design, build, and deliver high-performance trading software within Digital Markets Execution Technology. You’ll contribute as a core technical member of an agile team, guiding architecture, coding, testing, and operations to meet ambitious … objectives. The role emphasizes secure, observable, and resilient systems, with leadership in code reviews, API design, and deployment across distributed environments. #J-18808-Ljbffr ...

Expedia Group is seeking a Software Development Engineer II (Backend) to design, develop, and maintain high-throughput pricing services. You will implement caching, contribute to API design and data modeling for scalable microservices, and collaborate with cross-functional teams. Required are 2+ years of backend experience with ...

looking for a Full Stack Developer with strong experience in Node.js and React.js to design, build, and maintain scalable web applications. You'll work across the stack - from database and API design to building polished, responsive user interfaces - collaborating closely with product, design, and engineering teams. ...

fraction of the cost of developing these systems independently. Backed by leading venture capital investors and engineering partners, we are rapidly scaling the design, production, and deployment of the satellites, ground systems, and network infrastructure that will power Meridian's next-generation constellations. Joining Meridian means working … part of a close-knit, collaborative team that thrives in a fast-paced, innovative environment, where your work directly advances the design, development, and deployment of satellite constellations that governments and enterprises around the world will depend on for secure, resilient, and sovereign connectivity. Your Mission on the Team ...

feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation … responsibilities of the role? Develop core features of the Roku Channel app and Roku OS.Work closely with Product Development, UI/UX design, Platform Services, and Release Management teams to contribute to our application development. Investigate, diagnose and resolve issues. What experience would help someone be successful ...