101 to 125 of 143 Permanent API Design Jobs

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 ...

deliver high-quality solutions Support best engineering practices including code reviews and continuous improvement Key Requirements Strong experience with Java 20 or above RESTful API design (recommended to have exp with OpenAPI) including versioning Spring Boot 3 or above Spring Data JPA/Hibernate Experience working with TypeScript ...

high standards for security, auditability, and compliance Main Skills Needed: Strong background in building and running production-grade systems Solid backend engineering expertise and API design experience Good understanding of relational databases and data modelling Experience working in regulated or audit-heavy environments Full stack capability across frontend ...

architecture Extensive experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting ...

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 ...

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 ...

following key skills: - At least three years commercial scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest etc - Experience working in a TDD/BDD driven environment - Containerization experience - Docker, Kubernetes … well-established friendly team then please apply now to be considered and for further details. Scala Developer Up to £80,000 Scala, REST Api, NoSQL, TDD/BDD, functional programming, CI/CD, Play, Akka ...

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 ...

high standards for security, auditability, and compliance Main Skills Needed: Strong background in building and running production-grade systems Solid backend engineering expertise and API design experience Good understanding of relational databases and data modelling Experience working in regulated or audit-heavy environments Full stack capability across frontend ...

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 ...

Autogen, Google ADK). Architecting RAG pipelines, vector database integrations, and prompt management strategies. Building guardrail frameworks to prevent hallucinations, injection and bias. Designing API-first and event-driven architectures. Influencing enterprise roadmaps, governance forums and technical standards. Partnering with senior engineers, value streams, and product stakeholders. What … bring Expertise in Azure AI, AWS Bedrock or Google Vertex. Strong experience with LLM evaluation/MES frameworks. Deep knowledge of integration security, API design and cloud-native patterns. Experience delivering solutions in regulated environments (desirable). Naturally proactive, consultative and comfortable influencing at senior levels. ...

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 ...

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 ...

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 ...

technology teams with a track record of delivering high-quality software solutions Strong hands-on Back End engineering experience with Node.js, TypeScript, and API design Deep understanding of AWS and modern cloud-native architectures Experience working with distributed systems at scale, including performance optimisation and scalability improvements Knowledge ...

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 ...