1 to 25 of 444 API Design Jobs

Solution Architect Open Banking API Channel Capabilities

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
Solution Architect Location: London About the Job you are considering: As a Solution Architect you will be at the forefront of this transformation shaping API channel capabilities embedded treasury integrations onboarding experiences and Open Banking remediation initiatives You will define secure scalable and partner ready architectures that enable seamless … Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time. Key Accountabilities: API Channel Architecture Leadership Lead the design of external API channel capabilities ensuring high performance secure and standards aligned connectivity for clients and ecosystem ...

Enterprise Solutions Architect

Hiring Organisation
UNITED NEGRO COLLEGE FUND
Location
Washington, Washington DC, United States
Employment Type
Permanent
Salary
USD Annual
delivering technical consulting and implementation engagements across UNCF. This role is deeply technical, and hands-on-ideal for professionals with a strong background in API design, governance, development, and solution architecture. ABOUT UNCF The United Negro College Fund (UNCF) has been an engine of educational achievement for more … expertise in cloud platforms, with hands-on experience in Azure (preferred), AWS, and/or Google Cloud Platform (GCP). Implement best practices across API design, mocking, testing, governance, security, and lifecycle management. Identify and escalate technical roadblocks early, proposing alternative solutions to keep projects on track. Proactively ...

Senior Software Engineer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum
Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java/Microservices/API design/LLMs/AI/Claude Code/Copilot ...

Senior Software Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java/Microservices/API design/LLMs/AI/Claude Code/Copilot ...

Java Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Company: Financial Services Location: London - Hybrid 3 days per week CORE BANKING AND TRADING SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI-first software development in financial services. … development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java/Microservices/API design/LLMs/AI/Claude Code/Copilot ...

Software Engineering - Application Developer

Hiring Organisation
Mastech Digital
Location
Seattle, Washington, United States
Employment Type
Permanent
Salary
USD Annual
Engineering - Application Developer Primary Skills: JavaScript Role Description: The Software Engineering - Application Developer must have 4+ years of experience. Primary Job Duties/Responsibilities: - Design and Implement Communications Components, Applications and Services - Partner with the Satellite, Networks and Security engineering teams - Design components, services, and relevant data models … Collaborate with engineers across the organization to gather requirements, design, develop, deploy, and operate critical e-Commerce software. - Work on initiatives building e-Commerce functions on AWS infrastructure and help implement best practices for software development. - Develop code, build CI/CD pipelines, test automation, and dashboards for monitoring ...

Solution Architect Corporate Payments

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
contact the recruiter directly. Job Title: Solution Architect Location - London About the Job you are considering: As a Solution Architect you will lead the design of critical Identity Verification IDV capabilities across European markets ensuring corporate clients and administrators can initiate and manage IDV workflows seamlessly You will also … your home; noting that you will be unable to work at home 100% of the time. Key Accountabilities European IDV Architecture Lead the design and implementation of European Identity Verification IDV solutions incorporating regional regulatory expectations and cross jurisdictional onboarding requirements Define consistent IDV patterns APIs and service integrations ...

Full Stack Engineer (Java Development / API testing)

Hiring Organisation
Eliassen Group
Location
Merrimack, New Hampshire, United States
Employment Type
Permanent
Salary
USD Annual
senior full stack engineer to build, test, and engineer REST APIs for a data platform. The role requires strong Java and Spring Boot skills, API design expertise, and experience deploying and supporting applications on AWS. You will contribute to strategic roadmaps, collaborate in an agile environment, and support … benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $65.00 to $70.00/hr. w2 Responsibilities: Design, develop, and maintain REST APIs using Java and Spring Boot Build and support applications deployed in AWS Follow Domain Driven Design principles ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React

Hiring Organisation
PCR Digital
Location
Hammersmith, London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £538/day Inside IR35 to Umbrella
years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP WebServices and XML/XPat) also required. We are looking … Server, Entity Framework, and React experience desirable to have HTML5, CSS3, JavaScript, jQuery. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath. * Skilled in using IoC containers (Autofac, Ninject ...

Technical Architect

Hiring Organisation
Beazley
Location
City and Borough of Birmingham, United Kingdom
Employment Type
Full Time
driven principles. This role provides technical leadership across multiple teams, setting direction for .NET, front-end frameworks, and integration patterns. The Technical Architect will design and document architectural standards, guide teams toward our north star architecture, and champion best practices in automation, DevOps, and cost optimisation. Acting … ensures technology decisions support Beazley’s strategic objectives for innovation, operational excellence, and long-term sustainability with a strong focus on domain-driven design and event-driven architecture leveraging Kafka and related technologies. Key Responsibilities: Architecture & Design Design: Lead the design and implementation of solutions aligned ...

Senior Software Engineer

Hiring Organisation
Sharetec
Location
Fort Wayne, Indiana, United States
Employment Type
Permanent
Salary
USD Annual
join our Digital team as a core full stack builder and technical owner. You'll work alongside a close-knit team of engineers to design, build, and maintain the products and platform that power Sharetec's Digital Banking experience - serving hundreds of credit union customers and their members. This … contribute directly to significant product modernization initiatives, deliver features across our Digital Banking applications, and play a key role in architecting a new API layer that will expand the capabilities of Sharetec's Digital Banking platform. If you thrive in a remote, collaborative environment where you own your work ...

Staff Engineer Application Architect

Hiring Organisation
Facility Grid LLC
Location
Waltham, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
Leadership Own the application architecture across backend, frontend, and service layers Evolve and maintain the layered patterns and conventions that govern the codebase Drive API design decisions across versioned REST endpoints Author and maintain Technical Design Documents for significant system changes Evaluate build-vs-buy decisions … proposals Establish and enforce coding standards, testing strategies, and review practices Application Development Contribute production code in PHP/Laravel and TypeScript/Angular Design data models, migrations, and schema evolution strategies Architect integration patterns for external platforms and third-party APIs Design frontend state management and data ...

Senior Software Engineer

Hiring Organisation
Circadia Health
Location
Los Angeles, California, United States
Employment Type
Permanent
Salary
USD Annual
frontend performance using techniques like lazy loading, code splitting, and caching. Ensure cross-browser compatibility and adherence to WCAG guidelines for accessibility. Backend/API Development: Design, develop, and maintain RESTful APIs using Python (FastAPI) to support healthcare applications. Collaborate with frontend and mobile developers to integrate APIs … Security and Compliance: Implement and maintain security measures to protect sensitive healthcare data. Ensure compliance with healthcare regulations, including HIPAA. Regularly update and patch API endpoints to address vulnerabilities. Documentation and Collaboration: Create and maintain comprehensive documentation for APIs, workflows, and best practices. Maintain detailed change logs, version histories ...

Senior Software Engineer - Cloud (Backend & Distributed Systems)

Hiring Organisation
Vertex Software, Inc
Location
Des Moines, Iowa, United States
Employment Type
Permanent
Salary
USD Annual
complex enterprise programs, operational excellence and deployment reliability are critical to our success. The Role Vertex is seeking a Senior Software Engineer Cloud to design and evolve the core backend services powering our enterprise 3D collaboration platform. You will: Architect and scale distributed cloud services that support mission-critical … enterprise deployments Lead scalable and optimized backend design decisions across APIs, data stores, messaging systems, and microservices Drive engineering quality, observability, and reliability standards Contribute to long-term platform evolution, not just short-term delivery This role is ideal for an experienced backend engineer who thinks in systems, understands ...

Senior Software Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
across Expedia’s white-label and partner platforms. We’re building the next generation of video ad infrastructure, AI-powered tooling, and Rapid API integrations to deliver smarter, more engaging ad experiences. In this role, you will: Design, implement, and evolve high-quality software services and components, including … system design, low-level design, API design, and data modeling to support scalable, reliable products. Lead end-to-end delivery of complex technical features across services or domains, including requirements clarification, solution design, development, testing, deployment, and ongoing operational support. Collaborate closely with product, architecture ...

Software Development Engineer

Hiring Organisation
Jiffy
Location
San Francisco, California, United States
Employment Type
Permanent
Salary
USD Annual
hands-on experience orchestrating AI coding agents to ship production software at pace. Reporting directly to an Engineering Manager and working closely with Product, Design, and other engineering teams, you will lead the charge on delivering end-to-end features across our e-commerce platform from storefront and checkout … clear specifications, decompose work into agent-executable plans, drive agents through implementation, review every diff critically, run QA, land PRs, and verify production health. Design and architect scalable, reliable systems across our stack Rails 8/Solidus e-commerce, GraphQL APIs, React 19 front end, Kubernetes infrastructure holding ...

Backend AI Architect - API Design, Cloud Native, AWS, DevEx, CI/CD

Hiring Organisation
Talent Search PRO
Location
Reston, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
event driven architectures. • Proven expertise defining service architecture strategies, including APIs, data contracts, and runtime platforms across multiple teams. • Deep understanding of system design fundamentals such as consistency models, caching strategies, resilience patterns, and fault tolerance. • Hands on experience with at least one major backend ecosystem: Node.js/TypeScript … Strong understanding of prompt engineering, evaluation techniques, and AI quality metrics. • Experience architecting inference systems, including routing, batching, caching, and cost optimization. • Ability to design intelligent service flows, including Retrieval Augmented Generation (RAG) and agent based architectures. • Familiarity with AI safety, governance, and responsible AI principles. • Experience developing ...

Solution Architect Digital Client Self Service Enterprise API Journeys

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Job Title: Solution Architect Digital Client Self Service Enterprise API Journeys Location: Northampton About the Job you are considering: The Capgemini Financial Services Open Banking Centre of Excellence COE partners with leading banks … transform their Digital Client Self Service capabilities through API first cloud native solutions As a Solution Architect you will drive the design and delivery of end to end digital journeys many of which require extensive collaboration across groups and functions beyond Corporate Banking You will play a central ...

Backend Developer

Hiring Organisation
Trinity Global Consulting
Location
Springfield, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
Build connectors and ingestion pipelines across diverse enterprise data sources Support deployments across cloud-native and on-premises environments Improve reliability and performance through API design, testing, monitoring, and observability Collaborate with platform, DevOps, and GIS teams to translate requirements into production solutions Requirements Required Qualifications: Bachelor … workflows, proxies, middleware services, and automation of GIS/data processing tasks Experience working in containerized environments (Docker, Kubernetes, or similar) Solid fundamentals in API design, software/system design, and testing/debugging distributed services US Citizenship required Active or current (within two years of active ...

Staff Software Engineer

Hiring Organisation
Expert Institute
Location
Milwaukee, Wisconsin, United States
Employment Type
Permanent
Salary
USD Annual
ready to expand their scope-influencing systems, teams, and the technical strategy of the company. You'll partner directly with engineering leadership, Product, and Design to translate ambitious business goals into resilient, scalable technical realities. What You'll Do Architect and lead the design of complex, distributed systems … strategy across multiple teams and services-setting standards for reliability, performance, security, and developer experience Own our AWS cloud infrastructure end-to-end: VPC design, compute (ECS/EKS/Lambda), data stores (RDS, DynamoDB, S3), networking, IAM, observability, and cost optimization Design and evolve our data platform ...

Staff Software Engineer

Hiring Organisation
Expert Institute
Location
New York City, New York, United States
Employment Type
Permanent
Salary
USD Annual
ready to expand their scope-influencing systems, teams, and the technical strategy of the company. You'll partner directly with engineering leadership, Product, and Design to translate ambitious business goals into resilient, scalable technical realities. What You'll Do Architect and lead the design of complex, distributed systems … strategy across multiple teams and services-setting standards for reliability, performance, security, and developer experience Own our AWS cloud infrastructure end-to-end: VPC design, compute (ECS/EKS/Lambda), data stores (RDS, DynamoDB, S3), networking, IAM, observability, and cost optimization Design and evolve our data platform ...

Software Engineer, DevSecOps

Hiring Organisation
IMPYRIAN
Location
Ashburn, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
engineering, system architecture, and DevOps practices. This role requires someone who thrives in both big-picture enterprise planning and hands-on project-level solution design, ensuring consistency, scalability, and alignment across the organization. The perfect candidate is a full stack engineer, passionate about designing robust software solutions, coaching engineering … must exhibit leadership and understand multiple solution architectures and be able to establish and articulate the vision behind an enterprise architecture solution. Architect & Innovate Design end-to-end software architectures including microservices, APIs, messaging patterns, and distributed systems. Lead application modernization efforts (monolith microservices, on-prem cloud, legacy containerized ...

Staff Software Engineer

Hiring Organisation
TechChain Talent
Location
San Francisco, California, United States
Employment Type
Permanent
Salary
USD Annual
secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols; collaborating with Product and Engineering teams to design, test, and shape their features, including developing and documenting system design procedures, testing procedures, and quality standards; troubleshooting program and system malfunctions … field (or foreign equivalent). C. Technical leadership of teams >4 on architecture and system design. D. Expert in one of the domains of API design, payments processing, or blockchains. Deep understanding/experience with: - Architecture, design, and deployment of production-quality, scalable software - Web3, blockchain, smart ...

Backend Developer

Hiring Organisation
Duetti
Location
New York City, New York, United States
Employment Type
Permanent
Salary
USD Annual
cloud to transform the music industry. We offer a competitive compensation and benefits package, along with opportunities for professional development and growth. You Will: Design, develop, and maintain scalable and robust back-end systems to support data processing, analysis, and API services. Collaborate with front-end developers … cross-functional teams to integrate server-side logic with user-facing elements. Design and implement secure, scalable APIs to facilitate communication between services. Contribute to the design and optimization of our cloud-based architecture, ensuring reliable and secure operations. Implement cloud-based services and technologies to support efficient ...

Staff Software Engineer - Rust and Distributed Systems (Bay Area, hybrid)

Hiring Organisation
Fortanix
Location
Santa Clara, California, United States
Employment Type
Permanent
Salary
USD Annual
safer digital future. Requirements We're looking for a Staff Software Engineer to join our Confidential Computing Management team-an engineer who can design, build, and own core platform services powering secure, distributed systems at scale. This is a high-impact, hands-on technical leadership role . … shape architecture, lead critical design decisions, and build microservices that are foundational to how our platform operates-ensuring they are secure by design, highly reliable, and built to scale . What You'll Do Design and build distributed microservices that power Fortanix's confidential computing platform across ...