151 to 175 of 510 Permanent API Design Jobs

drive an agent, validate its output, and ramp on an unfamiliar codebase with an agent helping you. What are the responsibilities of the role? Design and build full stack web applications to support end-to-end automation and test infrastructure Integrate AI capabilities including LLM-driven experiences in existing … cases Collaborate with cross-functional teams to define and deliver external partner-facing and internal tooling Architect and own technical solutions and designs, evaluating design alternatives and trade-offs to deliver pragmatic, scalable, reliable, and maintainable solutions Create and maintain requirement and technical documentation, clearly defining user requirements, expected ...

Intermedia is seeking a Backend API Services Developer to design and implement scalable backend services for our cloud-hosted PBX platform. The role blends pragmatic problem solving with strong API design, focusing on reliability and observability. The role is primarily remote with occasional visits to Bristol … London. You will work in a Dev & Engineering team responsible for API and database backends, with opportunities to influence architecture and wire up CI/CD and test automation across #J-18808-Ljbffr ...

scale, highly available, and resilient modern systems - supporting business continuity by maintaining our current systems and modernising partner systems within a small agile team. Design and build systems from scratch, collaborating with multiple engineering and product teams across the globe. Own services end to end. Decide how best … will you bring to the team? Hands-on experience working with object oriented languages: Kotlin or Java with sound understanding of 3rd party integrations, API Design, and development & CI/CD pipelines Experience with modern testing practices (unit, integration, regression). Hands-on experience with Cloud Infrastructure like ...

enabled systems in secure, enterprise environments. In this role, you will collaborate closely with engineering teams across our group to develop priority use cases, design and build services, and promote best practices for scalable, resilient, and secure AI adoption. You will also mentor engineers, contribute to firmwide standards … enabling our AI strategy, combining practical expertise with AI/ML knowledge to ensure our systems are secure, compliant and performant. Job responsibilities Design and develop modular, maintainable AI systems and interfaces aligned to Infrastructure platform standards, optimizing for scalability, resiliency, and long-term operability. Partner closely with Applied ...

back-end programming languages such as Node.js, Python, Ruby, Java, or .NET. Familiarity with database systems including SQL and NoSQL databases. Understanding of RESTful API design and integration. Experience with version control systems, preferably Git. Strong problem-solving skills and the ability to work independently and collaboratively. Preferred … frameworks allows for creating dynamic and responsive user interfaces, while back-end expertise ensures efficient data processing and server management. Knowledge of databases and API integration is essential for seamless data flow and system interoperability. Version control skills facilitate collaborative development and codebase management, ensuring project continuity and quality. ...

some of the largest and most respected players across the wealth management industry. What You’ll Do Build Agentic Systems Contribute to the design and delivery of agentic systems: workflows where AI plans, executes, and iterates toward outcomes rather than simply responding to requests Build and ship production-quality … solutions as part of a squad working on real efficiency and automation problems with direct business impact Participate in the full delivery lifecycle: design discussions, development, testing, deployment, and iteration Apply AI-Native Development Practices Use AI-assisted development tools, including code generation, prompt engineering, and agentic frameworks ...

Raising the bar across software (typing, testing, observability, tooling, and thoughtful refactors), tooling, and ways of working What you'll do Design, build and operate the Python backend services behind Asset Backed Trading Own event driven flows from trigger to dispatch: queues, lambdas, events, and the Flex API … these areas will help. Core skills Strong Python experience Experience building and operating backend services in production Comfort with cloud platforms, ideally AWS (Lambda, API Gateway, SQS, EventBridge, DynamoDB, S3) API design and domain modelling for complex business workflows Writing robust, typed, well tested code (pytest ...

productivity, improve customer experiences, and drive next-generation commercial payment and money movement technology for B2B, B2C, P2P, and G2C flows. The Work itself: Design and architect AI-powered solutions that solve engineering productivity challenges and enhance customer-facing products across CMS Lead technical initiatives leveraging agentic AI, LLMs … machine learning to automate workflows and improve software quality Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings Drive experimentation with emerging AI technologies and make technical decisions on adoption and standards Develop robust and scalable products intended ...

Deep Sea Electronics is a global leader in the design and manufacture of generator controllers, automatic transfer switch controllers, battery chargers, and vehicle and off-highway control systems. With over 200 employees across four continents, we supply our products to customers in more than 150 countries, both directly from … tooling in one or more of PHP, Golang, NodeJS (TypeScript) or C# Maintain and extend WebNet's MQTT broker infrastructure and WebSocket/HTTP API layers With a focus on IoT protocols and technologies, remain up to date with the latest developments and bring forward suggestions where relevant ...

engineering capability. Set and influence technical direction across the application stack, making pragmatic architectural decisions around areas such as SSR vs client-side rendering, API design and application architecture. Work closely with the Architecture team on low-level solution design, translating complex requirements into practical and deliverable … team members. Lead the responsible adoption of AI-assisted development tools, identifying opportunities where AI can genuinely improve engineering productivity while establishing appropriate guardrails. Design and manage Azure cloud infrastructure, working with technologies including Kubernetes, Service Bus, APIM and Key Vault. Manage Infrastructure as Code using Terraform or Pulumi. ...

Your experience with cloud platforms, concurrency, and modern engineering practices will contribute directly to the ongoing modernisation of business‐critical market systems. You will Design, develop and support cloud‐first, scalable software solutions that underpin real‐time market execution and transaction processing systems. You’ll work on distributed, event … Azure‐based environments with some exposure to other cloud platforms. Contribute to the end‐to‐end delivery of business‐critical services, from application and API design through to service integration, packaging, and deployment, ensuring solutions are resilient, secure, and built for continuous evolution. Embed observability and operational insight ...

millions of transactions. We're hiring a Principal Software Engineer to lead backend-leaning full-stack development on the platform. What you'll do: Design and build distributed, event-driven systems and microservices at scale Lead API design (RESTful) and data processing pipelines Set technical direction ...

Kotlin and Java on the AWS Cloud platform, following best practice. In addition to Kotlin, this project utilises Typescript/Node.js using the GOV.UK Design System. Kubernetes and Docker to schedule and run services hosted on AWS Cloud. You’ll join a Scrum Team of cross-functional skills working … including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role ...

technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. Job responsibilities Execute creative software solutions, design, development, and technical troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develop secure … respect Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience Hands-on practical experience delivering system design, application development, testing, and operational stability Demonstrated proficiency in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning ...

Senior Engineering Manager to lead the Loan Portfolio Mitigation Application (IRIS). The successful candidate will lead a team of software developers, overseeing the design, development, and implementation of sophisticated credit risk hedge decision systems. This leadership role requires a deep understanding of financial markets, quantitative methodologies, robust software … grade solutions at scale. The ideal candidate is a practitioner-leader who does not just direct from the sidelines, but actively engages in technical design, architectural decision-making, and hands-on development. You will serve as the definitive technology authority for IRIS, owning end-to-end solutioning from requirements ...

senior engineering role and you'll be joining at a point where the architecture, delivery approach and product direction still matter. You'll design and ship production services, contribute to a structured strangler-fig migration, and use AI-assisted development tools such as Cursor and Claude Code as part … suit an experienced Senior Developer, or a strong Developer ready to step up in a collaborative, senior-led environment. What You'll Be Doing Design, build and support cloud-based services in .NET 10 across Azure API Management, Azure SQL and the wider Azure platform. Help modernise ...

senior engineering role and you'll be joining at a point where the architecture, delivery approach and product direction still matter. You'll design and ship production services, contribute to a structured strangler-fig migration, and use AI-assisted development tools such as Cursor and Claude Code as part … suit an experienced Senior Developer, or a strong Developer ready to step up in a collaborative, senior-led environment. What You'll Be Doing Design, build and support cloud-based services in .NET 10 across Azure API Management, Azure SQL and the wider Azure platform. Help modernise ...

practices: guardrails, output validation, prompt-injection defense, and safe execution of AI-generated code/SQL (sandboxing, least privilege). Solid software engineering fundamentals: API design, testing, version control, security best practices. Experience Preferred: Experience with cost optimization and model routing - designing tiered pipelines that route between … agent, RCA/RAG agent, report composition agent, notification agent), using modern agent frameworks with state management and checkpointing rather than ad-hoc loops. Design and productionize RAG pipelines (chunking, embeddings, hybrid retrieval, reranking) grounded in approved schemas, engineering documentation, and historical issue records. Own BigQuery integration and enforce ...

React and Node.js Collaborate on integration work connecting the two core GenAI platforms Embed GenAI capabilities into high-value underwriting and claims style workflows Design and implement REST/GraphQL APIs supporting platform features Contribute to cloud architecture decisions across AWS and/or Azure Instrument features with observability … scalable GenAI deployment What You'll Need Essential: Solid commercial experience with Python, TypeScript, React and Node.js Experience with REST and/or GraphQL API design and implementation Familiarity with AWS and/or Azure cloud architecture Working knowledge of containerisation (Docker/Kubernetes) and CI/ ...

will develop our suite of security-focused cloud services and infrastructure. You’ll have the opportunity to learn, grow, and directly contribute to the design and implementation of scalable, reliable, and secure systems. You’ll collaborate closely with the rest of our engineering team to design APIs, build … ideal for an early-career engineer with a few years of industry experience who is interested in a high-growth environment. Key Responsibilities Design, build, and maintain cloud infrastructure and cloud-based services and APIs to support the functionality and scalability of our platform Contribute to the development ...

passionate Senior Software Engineer to join our Core AI Services team at the forefront of industrial AI Innovation. In this role, you will help design, develop, and scale AI-enabling platform services, agentic workflows, and public APIs that are secure, reliable, and cloud-native. These services will … passion for keeping up with the latest AI engineering patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Design, build, and maintain scalable, fault-tolerant cloud-native services on Microsoft Azure. Develop secure, well-documented public APIs and SDKs for consumption by internal ...

Slack and React: the agents people talk to and the apps they click through, built in TypeScript. And you don't stop there. From API and MCP design to infrastructure on Vercel, AWS, Supabase, and BigQuery, plus the agents that work across the stack, you own complete features … software factory. What you'll bring 5+ years of experience building applications or tooling that automate human workflows Full-stack experience across the board: API design, databases, async workflows and background jobs on the backend, and clean, user-friendly UX on the frontend. Being AI-native. An early ...

based in any of our U.S. offices and consideration given for 100% remote candidates . Orrick Labs is seeking a Legal Solutions Architect to design, develop, and deploy custom software solutions that support legal workflows across the firm. This role will serve as Orrick Labs' primary pro-code development … objectives. Responsibilities Determine when a business problem is best solved through custom software development, low-code technologies, AI agents, or a hybrid approach, and design solutions accordingly. Build and deploy Model Context Protocol (MCP) servers that securely expose firm tools and data as needed to the firm’s internal ...

that powers both internal operations and the public-facing auction website. It has been built as a modern TypeScript solution using a Node.js backend API with NestJS, a React administrative portal, and a Next.js customer-facing website. The product is hosted on a contemporary AWS cloud architecture using infrastructure … storage, content delivery, real-time capabilities and observability built in. You'll be responsible for ongoing development, bug fixes and iterative enhancements across the API, admin portal and customer website, while continuing to evolve the platform using current engineering practices and AI-enabled delivery methods. Collaboration & knowledge transfer (first ...

organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices. Key Responsibilities Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code … containers, microservices and event-driven architectures. Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering. Strong knowledge of SQL and NoSQL technologies, API design and integration patterns. Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations. Growth ...