1 to 25 of 134 API Design Jobs

What is the opportunity? We are seeking an experienced Senior Solution Architect to lead the design of solutions for our Retail Digital Channels Tribe! This role involves strategic technical leadership dedicated to defining architecture for customer-facing digital platforms including mobile banking, online banking and other customer facing journeys. … architecture including: Mobile application build and structure based on React Native for iOS and Android platforms Web application architecture using JavaScript frameworks and responsive design API design and management (RESTful APIs, API gateways, API-first design) Authentication and authorization patterns (OAuth 2.0, OIDC, biometric ...

London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. Salesforce & ReactNative - Salesforce and .or ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java … RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API Developer - Java, TDD, RESTful API design & build, OAS/YAML, GitLab, CI/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply ...

12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. Open Stack/Salesforce & ReactNative - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java … RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API Developer - Java, TDD, RESTful API design & build, OAS/YAML, GitLab, CI/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply ...

possess a combination of some of the following skills, then LETS TALK! Experience in Java development Backend cloud-based application development Understanding of API design for mobile applications with event-driven architecture Strong analysis and problem-solving skills Preferred - Experience of building distributed scalable microservices using Java/… Kotlin, Spring Boot, OAuth 2.0, Secure API design A working understanding of technologies/areas: AWS, API Design, Automation testing In return, you will be rewarded with a highly competitive benefits package including a bonus and ongoing career development and training. What you need ...

embark on a journey along with an organization to becoming the best tech, modern luxury, and sustainable mobility company in the world. The Enterprise API portfolio is here to enable seamless new customer experiences across all our iconic brands. We are scaling our API operations and looking … teams and provide technical leadership in designing evolvable systems that can scale to meet our customer needs. Help guide development using JLR API patterns and practices. As part of the team, you will collaboratively be designing, implementing, and run API technology solutions on our platform. Drive the strategic ...

Senior Azure API Engineer Outside IR35 | £(Apply online only)/day | Remote/Hybrid UK The Role Lead the design and delivery of enterprise-grade API solutions on Azure. You'll architect scalable, secure API platforms that unlock business value from data and drive monetization opportunities. … Platform team, you'll build the critical integration layer connecting internal teams and external customers to consistent, reliable data services. What You'll Do Design and operationalise a lean, zero-trust API platform on Azure API Management Architect microservices and event-driven integration flows at scale Define ...

seeking an experienced Solution Architect with strong expertise in Apache Kafka and real-time payment systems within the banking domain. The ideal candidate will design scalable, event-driven architectures that power high-volume, mission-critical payment processing platforms. This role requires deep knowledge of distributed systems, financial transaction processing … regulatory-compliant banking solutions. Key Responsibilities Architecture & Design Design and implement event-driven, microservices-based architectures using Apache Kafka Architect scalable and resilient real-time payment processing systems Define canonical data models for financial transactions and reconciliation Ensure high availability, fault tolerance, and disaster recovery strategies Lead architecture ...

Senior Azure API Engineer Outside IR35 | £550-750/day | Remote/Hybrid UK You must have the right to work in the UK The Role Lead the design and delivery of enterprise-grade API solutions on Azure. You'll architect scalable, secure API platforms that … Platform team, you'll build the critical integration layer connecting internal teams and external customers to consistent, reliable data services. What You'll Do Design and operationalise a lean, zero-trust API platform on Azure API Management Architect microservices and event-driven integration flows at scale Define ...

site Due to the urgency and sensitivity of the work, active SC Clearance is mandatory . Responsibilities As an Application Architect, you will: Design and lead delivery of scalable, high-performance application architectures Define and apply modern application architecture patterns , including microservices, event-driven architectures, and SOA Support monolith … microservices transformation initiatives where required Architect cloud-native applications across AWS, Azure, and/or GCP Design API strategies , integration patterns, and messaging-based solutions Ensure strong alignment with application lifecycle management , CI/CD pipelines, and DevOps practices Work closely with platform and engineering teams to align ...

pressure; make frame-time and latency predictable across device classes Define and monitor SDK health metrics at scale (crashes, ANRs, error rates, perf envelopes) API design and developer experience Design clear, stable, Kotlin-first public APIs (versioned, well-documented, testable) Implement best practices for networking, auth … fixes and verify via dashboards Provide concise developer-facing change notes/migration snippets to the Solutions Engineer for release notes Roadmap contribution Co-design the next generation of the Android Captur SDK for release at the end of Q2 Champion performance budgets and device-class targets during planning ...

mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Required: Understanding of API design for mobile application with event driven architecture. Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0 … Secure API design. A strong understanding of technologies/areas: AWS, API Design, Automation testing. Note: This role doesn't offer visa sponsorship. If this feels like an exciting opportunity, feel free to apply or reach out directly at To From Record Yes No Always use these ...

Days in Office The Role Dev Sec Ops Engineer Role Overview We are seeking a highly skilled Senior Data Platform & Integration Engineer to design, develop, and optimize enterprise data solutions. The ideal candidate will have deep expertise in modern data platforms, integration technologies, and advanced analytics, including AI/… ML. Key Responsibilities Data Platform Management Design and implement solutions using Microsoft Fabric, Snowflake, CosmoDB, Databricks, MongoDB, and traditional RDBMS systems Data Replication & CDC Configure and manage Qlik Replicate and Oracle GoldenGate for real-time data synchronization Data Modeling Develop conceptual, logical, and physical models using ERStudio Integration & Messaging ...

Overview: We are seeking a technically proficient Data Analyst to join our IT Department. This role will focus on API design and systems integrations , playing a vital part in enabling data-driven decision-making and ensuring seamless data exchange across internal and external platforms. Key Responsibilities: Design … . Ensure data quality, compliance, and governance across all integrations. Support automation efforts by embedding APIs into existing workflows. Work closely with vendors to design solutions aligned with architectural standards and best practices. Key Skills & Experience: Proven experience in a Data Analyst or similar technical role. Strong hands ...

Role We’re hiring a Backend Engineer to build the core infrastructure behind Revax’s AI-native platform for professional services. You’ll design, optimise, and scale the systems that power multi-agent drafting, knowledge graphs, and auditable AI workflows used by accountants, tax advisors, and consultants at leading … graphs, and real-world enterprise workflows. What You’ll Do Build & own core backend systems · Build and optimise databases for complex, real-world data · Design and implement APIs using FastAPI for AI workflows and product features · Build and scale LangGraph-based multi-agent systems with checkpointing, retries, and observability ...

must be within a commutable distance to achieve this. Are you a seasoned Lead Developer ready to step up and take real ownership of API strategy, architecture, and delivery Do you thrive in environments where your voice matters, your decisions have impact, and your ability to drive efficiency … space that is scaling its digital product ecosystem. They are investing heavily in modernising and expanding their digital platforms, and they need a Lead API Developer who can steer backend/API development with both technical authority and clear communication.This isn’t just another coding role. This ...

Role Title: Business Analyst - API Payments Umbrella rate: £350 - £385/Day Location: Knutsford Duration: 12 Months Days on site: 2-3 We are seeking a highly skilled Payments Business Analyst with strong experience in API integration and a solid understanding of the Payments domain. The ideal candidate … will act as a bridge between business stakeholders and technical teams, ensuring seamless delivery of payment solutions and API-driven integrations. Key Responsibilities * Requirements Gathering & Analysis o Collaborate with business stakeholders to understand payment workflows, transaction processing, and integration needs. o Document functional and non-functional requirements for APIs ...

API Developer - London Atrium EMEA are looking for several API Developers to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. - API Developer - Java, TDD, RESTful API design & build, OAS/…/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply now or contact Lianne to be considered for the API Developer - London role ...

user stories, technical approaches, and delivery estimates. Contribute to and help shape roadmaps and delivery plans, balancing business priorities, technical constraints, and engineering effort. Design, develop, and maintain backend services and REST APIs using PHP (Laravel v10). Own and evolve Elasticsearch implementations, including index design, mappings, query … optimisation, aggregations, and performance tuning. Design and optimise MySQL schemas and queries for high-volume workloads, including indexing strategies and query performance analysis. Build and maintain data ingestion and processing pipelines from multiple internal and external sources. Design microservices and distributed systems supporting search, analytics, and alerting ...

interfaces, and define non-functional requirements. Ensure solutions are fit for purpose by collaborating with stakeholders and vendors, while assessing the impact of strategic design decisions. Work closely with both business and technology teams to shape the solution intent and architectural vision. Rapidly develop high-level architecture, refining details … prioritise technology-focused backlog items for the architecture runway. Provide clarity to development teams on architectural aspects, offering solution options to overcome impediments. Conduct design reviews to confirm all non-functional requirements are met (e.g., security, performance, scalability, usability, reliability). Operate as an individual contributor. Required Skills ...

truly make an impact. What You Will Do As the Software Engineering Manager, you will expertly balance hands-on coding, high-level architectural design, and impactful team leadership. Lead the Technical Vision: Drive the technical roadmap, actively participating in the modernization of legacy applications and their transition to sustainable … cloud-hosted platforms (Azure/AWS). Architect & Build: Design and develop high-quality, scalable software solutions. You will own the technical design, ensuring robust architecture and code quality through direct involvement and code reviews. Mentor & Coach: Provide hands-on technical guidance and mentorship to the development team ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: The design ...

participate in redesigning our core products, working across greenfield and legacy solutions. Your expertise will influence every stage of the product lifecycle—from initial design to deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core … development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes, and cloud platforms such as AWS or Azure Familiarity with Typescript and React (desirable) Knowledge of SQL and NoSQL databases Experience with TDD, Agile ...

create solutions that are both technically robust and aligned with business ambition. You will help us modernise our trading platform by applying contemporary design patterns, cloud-native engineering principles, and architectural thinking that supports performance, scalability, and future growth. Throughout the delivery lifecycle, you will provide guidance, ensure alignment … front-, middle-, and back-office workflows, ensuring that every componentfrom deal capture to optimisation and reportingworks seamlessly together. Key areas of focus include: Architecture & Design You will lead architectural direction for our trading systems, documenting key decisions, making thoughtful trade-offs, and ensuring that every design reflects both ...

create solutions that are both technically robust and aligned with business ambition. You will help us modernise our trading platform by applying contemporary design patterns, cloud-native engineering principles, and architectural thinking that supports performance, scalability, and future growth. Throughout the delivery lifecycle, you will provide guidance, ensure alignment … front-, middle-, and back-office workflows, ensuring that every componentfrom deal capture to optimisation and reportingworks seamlessly together. Key areas of focus include: Architecture & Design You will lead architectural direction for our trading systems, documenting key decisions, making thoughtful trade-offs, and ensuring that every design reflects both ...

managing our AWS and Supabase infrastructure. You need to be comfortable being an IC or part of a small team. You'll build headless, API-first architecture for multi-tenant SaaS and single-tenant clouds for enterprise clients, powering white-label applications. This is a founding team role: emphasis … infrastructure: Manage cloud infrastructure across AWS and Supabase. Edge Functions, RLS policies, Postgres optimization: the full stack • Build the API ecosystem: Design and maintain APIs, manage versioning, handle authentication, rate limiting, and third-party integrations • Build fast with AI: We leverage AI heavily for development (Cursor, Copilot, Claude ...