101 to 125 of 144 API Design Jobs in England

cloud platforms is beneficial but not essential) Strong collaboration and communication skills 4+ years of experience in data-focused software development, including data modelling, design patterns, and building scalable, secure systems Working knowledge of software engineering principles and best practices, including testing, packaging, API design, DevOps, DataOps ...

responsibilities Define and evolve technical architecture in collaboration with enterprise architecture stakeholders Shape deployment, configuration and operational practices to drive consistency, automation and reliability Design and evolve AWS-based serverless microservices and APIs Make pragmatic architectural decisions that balance delivery pace, cost and long-term maintainability Ensure solutions … across the wider engineering function Essential Experience Strong hands-on backend development experience with Python Deep expertise in AWS serverless architecture , including: Lambda/API Gateway/S3/SQS/SNS/EventBridge/Step Functions Proven experience designing and delivering microservices and event-driven architectures Strong experience ...

working hours, patterns and locations to suit you and our business. About the Opportunity As a Principal Solutions Architect, you will specialise in the design, development and governance of integrated digital project controls environments across major capital programmes. This is not a general IT solutions architecture role. … needed. Key Responsibilities Define enterprise aligned solution architectures for programme controls platforms covering cost, schedule, risk, performance reporting and data governance. Lead evaluation, selection, design and configuration of programme controls systems such as EcoSys, Oracle Primavera P6 and Unifier, Aconex, CDEs including SharePoint and ProjectWise, and related digital delivery ...

working hours, patterns and locations to suit you and our business. About the Opportunity As a Principal Solutions Architect, you will specialise in the design, development and governance of integrated digital project controls environments across major capital programmes. This is not a general IT solutions architecture role. … needed. Key Responsibilities Define enterprise aligned solution architectures for programme controls platforms covering cost, schedule, risk, performance reporting and data governance. Lead evaluation, selection, design and configuration of programme controls systems such as EcoSys, Oracle Primavera P6 and Unifier, Aconex, CDEs including SharePoint and ProjectWise, and related digital delivery ...

full-stack product delivery, from infrastructure and AI integrations through to React/React Native interfaces, collaborating closely with founders, creators, product, and design to turn lean specs into scalable, user-loved software. We’re looking for a strong generalist with backend depth and real mobile experience. Responsibilities Implement … mobile + web frontend → APIs → data models → integrations) while maintaining quality and velocity. Build React Native mobile apps and shared component systems across products. Design and ship scalable backend services (APIs, integrations, AI workflows). Run tight build → test → iterate → ship loops; provide realistic estimates and surface blockers early. ...

customer-facing software projects. Experience with one or more of the following: Full-stack web development Software as a Service (SaaS) Mobile application development API design and development Cloud platforms (AWS, Azure, GCP) Front-end development and user experience (UX) Clearance required - Due to the nature … client's work, you are required to hold an eDV level security clearance. As an industry leading, nationwide Marketing, Digital, Analytics, IT and Design recruitment agency, we are continually receiving new assignments to work on, so keep a close eye on our website, Facebook, LinkedIn and Twitter pages ...

customer-facing software projects. Experience with one or more of the following: Full-stack web development Software as a Service (SaaS) Mobile application development API design and development Cloud platforms (AWS, Azure, GCP) Front-end development and user experience (UX) Clearance required - Due to the nature … client's work, you are required to hold an eDV level security clearance. As an industry leading, nationwide Marketing, Digital, Analytics, IT and Design recruitment agency, we are continually receiving new assignments to work on, so keep a close eye on our website, Facebook, LinkedIn and Twitter pages ...

ownership and the chance to make a tangible impact. Key Responsibilities Build and maintain backend services using Java Develop front-end applications using React.js Design and implement integrations with third-party platforms and APIs (core focus of the role) Work within an AWS-based cloud environment Collaborate closely with … Contributing to architectural and technical decisions Must-Have Requirements (Non-Negotiables) Use this as your primary screening filter: 1. Core Technical Skills • ✅ Strong API development & consumption • ✅ Experience with 3rd-party integrations (REST, webhooks, SaaS APIs) • ✅ Backend (Java preferred) or solid full-stack capability • ✅ Understanding of: o authentication (OAuth, tokens ...

worlds leading banks in their high-performing engineering teams, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively … with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing on scalability, fault tolerance, and observability Collaborate closely with architects, engineers, and client teams across Europe Operate in Agile environments (Scrum/Kanban) with a strong engineering culture Tech ...

working - 3 days per week onsite Salary up to £65,000 per annum A leading Birmingham-based client is seeking a Python Developer to design, build, and deploy applications using Python frameworks and LLM APIs. The position focuses on developing scalable, secure AI services in Azure's public cloud … involves hands-on work throughout the development lifecycle, including API design, data access, AI integration, and cloud deployment. Key skills and responsibilities: Design, develop, and maintain AI-driven applications and services utilising Python. Build and manage RESTful APIs with FastAPI. Integrate and oversee Large Language Models ...

joining a small team building cto.new and shaping how it gets built. What we care about: Strong TypeScript and solid backend fundamentals - data modeling, API design, concurrency, failure modes Production experience with LLM features - tool-calling, prompt iteration, streaming, evals, cost and latency tuning AI-native workflow - fluent ...

computer science, engineering, or a related field 2-3 years commercial experience in development Experienced in C# and .NET Core Understanding of RESTful API design and integrations Understanding of CI/CD Pipelines and Git Desirable, but not essential: Experience with Azure Understanding of Containerisation using Docker ...

develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code ...

evolution of core Ruby on Rails operational platforms. Optimise PostgreSQL performance and Sidekiq background job efficiency. Manage secure third-party integrations and RESTful API design. Partner with Platform teams on AWS and CI/CD reliability. The Person: Deep experience with Ruby on Rails and OOP. Expert in PostgreSQL ...

influence architectural decisions at a critical stage of growth. The Backend Engineer (Full Stack, backend-leaning) will take ownership of complex backend REST API Services and deliver scalable systems using TypeScript and Node.js . You will closely with Product, Engineering and Operations, working alongside the Lead Engineer to refine … technical direction, improve delivery standards and elevate system reliability. The Senior Backend Engineer (Full Stack, backend-leaning) will... • Design and maintain scalable Node.js/TypeScript services and REST APIs • Own backend initiatives end-to-end, from architecture to rollout • Strengthen testing strategy across unit and integration layers • Improve data ...

with delivery teams, and accountable for turning architectural thinking into practical outcomes. Why This Opportunity Stands Out True Solution Architecture – You’ll own solution design from current-state assessment through to target architecture and delivery alignment. Greenfield thinking, real constraints – Apply modern architecture principles to a live, evolving estate … will: Assess existing applications and platforms and define clear target-state architectures Build and own system and application roadmaps aligned to business priorities Design scalable, modular solution architectures including integration and NFRs Lead migration and modernisation initiatives across legacy and cloud platforms Act as the architecture point of contact ...

lifecycle Software Product Owner: Technical Experience React 18+ - Hooks, Context, Suspense, concurrent features Node.js/Express or Fastify - production APIs, middleware, error handling REST API design - versioning, error contracts, idempotency 3rd Party API Intergration AWS Jira AI - willing to leverage The permanent role for a Software Product ...

All3 is transforming how buildings are conceived, developed, and delivered. We combine AI-powered design with robotic prefabrication and on-site assembly to build custom architecture at the cost and speed of mass production - unlocking even the most complex sites. We’re currently seeking a Principal Platform Software Engineer … trade-offs to meet business goals; Leading technical discussions across robotics, hardware, controls, and product teams; Applying systems engineering principles to requirements analysis, architecture design, verification, and validation. Expertise: Expert-level experience in production-grade software development with Modern C++ and Python; Strong experience working in embedded Linux environments ...

Sector: Defence & National Security Role Summary Our client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate secure, cloud-native backend services that underpin mission-critical national systems. This is a hands on engineering role, focused on building … will work end to end - from shaping technical designs and delivering features through to improving reliability, resilience and performance in live operations. Key Responsibilities Design and build backend services and APIs, delivering features end-to-end in collaboration with cross-functional teams. Develop cloud-native and containerised applications using ...

Technical Skills Required Data Tools: SQL, Python, Snowflake/Databricks, Tableau/Power BI. Frameworks: Agile/Scrum, MLOps, Data Governance, Metadata Management. Integration: API design, event-driven architecture, and data modeling. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

budget and quality requirements, and coordinating others as needed. Firmware Architecture and Lifecycle: Develop reliable, portable firmware with a long-life cycle. Firmware Development: Design, develop and maintain embedded firmware in C for Zephyr RTOS and Embedded Linux, including board bring up, drivers and HALs. Code Quality and Standards … another scientific subject. 8+ years of experience in embedded software development in C. A strong knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. A strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident ...

engineers across the organisation What you'll need to succeed 8+ years' experience in software engineering, with strong fundamentals in distributed systems and system design Proven background building and operating large-scale backend platforms in production Experience working within a product-led environment Hands-on experience with cloud-native … technologies, containers, and CI/CD pipelines Experience influencing technical direction across teams or domains Strong expertise in: Java Distributed systems architecture API design Performance optimisation and scalability Nice to have: Previous experience at Staff/Principal/Tech Lead level Exposure to high-volume, low-latency data ...

complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs … systems. Collaboration: Work alongside Quants, Risk Managers, and Front Office teams to translate business needs into technical reality. Architecture: Participate in high-level technical design and architectural discussions to evolve the platform. Requirements Technical Core: Extensive experience in C#, .NET, SQL Server, and CI/CD pipelines. Domain Expertise ...

stuck into some genuinely interesting engineering. Think computational complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries … code Lead technical planning by breaking down roadmap items into scoped engineering work, driving ADRs and setting standards for code quality, testing, and API design Collaborate cross-functionally with front-end, data engineering, modelling and product teams to deliver reliable, impactful features Line-manage a team ...

stuck into some genuinely interesting engineering. Think computational complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. ⚡ Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries … code Lead technical planning by breaking down roadmap items into scoped engineering work, driving ADRs and setting standards for code quality, testing, and API design Collaborate cross-functionally with front-end, data engineering, modelling and product teams to deliver reliable, impactful features Line-manage a team ...