1 to 25 of 60 Remote/Hybrid Permanent API Design Jobs

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 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 ...

Contract API Gateway Specialist (Software AG/webMethods/Defence) £600 per day (Outside IR35) Part-time 12‐month contract (approx. 110 days’ effort ) Full Remote | Client based in Portsmouth About the Role An excellent long-term contract opportunity for an experienced API Gateway Specialist to support … major Defence-sector programme. The successful contractor will work remotely, contributing deep technical expertise around Software AG and webMethods technologies, cloud integrations, and secure API design. Candidates with a strong background in API Gateway technologies (SAG, IBM API Gateway, webMethods) from any sector will be considered. Existing ...

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 ...

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 ...

automation, and continuous improvement-and they're looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs to support … team. Skills & Experience needed: Essential: Strong experience with Node.js and TypeScript Proven background in microservices architecture Solid understanding of GraphQL and RESTful API design Experience with SQL and NoSQL databases Familiarity with CI/CD, automated testing, and modern development workflows Desirable: Experience with Azure or other cloud ...

modern CMS ecosystem. Key Responsibilities: Architect, build, and maintain full-stack applications using TypeScript, React, and Node.js. Provide technical direction by contributing to design decisions, architectural options, and solution trade-offs. Lead improvements to automated testing practices, ensuring robust unit, integration, and E2E test coverage. Drive enhancements … Node.js, React, and Next.js. Professional experience with cloud platforms (AWS preferred). Experience with automated testing and CI/CD pipelines. Understanding of RESTful API design, microservices, and modern web application architecture. Experience with mentoring junior and mid-level engineers. Excellent collaboration, problem-solving, and communication skills, with ...

technical leadership role where youll set direction, define standards, and ensure high-quality delivery. Youll work closely with clients and cross-disciplinary teams to design innovative cloud solutions, while mentoring colleagues and sharing best practices across the organisation. What Youll Be Working On: Design, deploy, and maintain cloud … such as Cloud Functions, Cloud Run, GKE, Compute Engine, VPCs, Cloud Spanner, Cloud SQL, and BigQuery Strong knowledge of microservices, event-driven architectures, and API design Experience with CI/CD pipelines, infrastructure as code (Terraform), and automated testing Competence in scripting or programming (Python, Bash, Node.js) Familiarity ...

lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes - while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction … technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development - from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software engineering best practices (e.g., SOLID principles, domain-driven design, clean architecture ...

About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection … architecture, coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering ...

maintain code quality and catch regressions early. Identifying, prioritising, and addressing technical debt as part of ongoing development. Contributing to UI/UX design, from wireframes and prototypes to polished interfaces. Taking part in DevOps-adjacent work (e.g. CI/CD workflows in GitLab, deployment automation). Actively contributing … system design discussions, research, and proofs-of-concept as we plan an overhaul of the system. Collaborating with a multidisciplinary team (electronics, production, integrated systems) to make sure software and hardware work well together. About The Applicant An experienced developer who can work independently on production systems, balancing delivery ...

testing, and clean coding practices Familiarity with cloud platforms, CI/CD, and Git A collaborative mindset and strong problem-solving skills Nice extras API design, databases, headless CMS Modern tooling, mobile development, or design systems Interest in GenAI or government digital standards Eligibility: UK sole national ...

suited to an experienced consultant who enjoys setting technical direction, mentoring engineers, and acting as a trusted technical partner to clients. Responsibilities Lead the design and delivery of full stack JavaScript solutions Set technical direction, standards, and best practices across projects Remain hands-on, contributing to critical areas … Required Experience Extensive commercial experience with JavaScript/TypeScript Strong front-end experience with React (or equivalent) Strong back-end experience with Node.js and API design Proven experience in a Lead/Tech Lead/Senior Consultant role Experience designing and delivering scalable systems Strong stakeholder management ...

early architectural hire, you will play a central role in shaping the platform’s foundations. The work spans strategic architectural decisions and hands‐on design, partnering closely with engineering, data and product teams to ensure solutions are secure, scalable and aligned to the organisation’s goals. What They … ideally with experience applying it in production environments. Solid knowledge of cloud‐native architectures , including microservices and distributed systems. Understanding of secure‐by‐design approaches and modern security practices. Experience with API design , integration patterns and contemporary frameworks (.NET, Node.js, React). Practical experience with ...

ownership, and continuous improvement Collaborate with product teams to scope, plan, and estimate work, ensuring solutions are aligned with business goals and technical strategy Design and implement technical systems and software solutions, considering capacity, security, performance, and maintainability Deliver new features and enhancements while maintaining and improving existing systems … maintainable code Champion automated testing and CI/CD best practices across the team Support product discovery and technical scoping activities, contributing to solution design and feasibility discussions Provide accurate time and cost estimates, identifying risks and dependencies early Identify technical debt and optimisation opportunities, clearly communicating these ...

Django, Node.js). · Proven leadership experience in small teams or solo development. · Comprehensive AWS DevOps skills: CI/CD, Terraform/CloudFormation, scalable infrastructure design, and AWS security best practices. · Monitoring, logging, and alerting (CloudWatch mastery) to ensure top performance. · Backup, disaster recovery, and business continuity planning experience. · RESTful … API design & integration. · Git (GitHub/Bitbucket). · Modern, scalable CSS (SASS, CSS Modules). · Database experience (MySQL via AWS RDS). · Mobile development exposure (React Native, iOS/Android) a bonus. · Willingness to travel to the UK (including an extended onboarding period). · Excellent communicator, proactive problem ...

will be exclusively Microsoft focussed and expand their offering to encompass the Azure ecosystem. Tech:- C#/.Net Expert Azure - Platform and Software Architecture Design Patterns - HLD and LLD Messaging/Queueing - Service Bus Data Ingestion - NoSQL/Postgres API Design and Development - RESTFul Cloud agnostic mindset ...

Terraform, GitHub CI/CD Role Overview Develop and maintain full-stack applications using Symfony and React Take ownership of new features, from design to deployment Collaborate closely with the wider team on code reviews and architectural discussions Contribute to technical improvements and continuous delivery practices Ensure high standards … experience with modern PHP frameworks such as Symfony or Laravel Strong front-end development experience with React or similar frameworks A good understanding of API design (REST or GraphQL) and relational databases Experience with Git-based workflows and CI/CD pipelines Excellent communication skills and the ability ...

High-Scale .NET Platform C#, .NET, Kafka, SQL, AWS, AI/ML, Event-Driven Systems Hybrid North West Are you ready to design and shape the core architecture of a platform built to support global scale , rapid growth, and long-term innovation? We are at the start … teams , and lead architectural decision-making while staying close enough to the code to guide best practice. What You ll Do Define the architecture, design principles, and technical roadmap for a highly scalable, distributed platform. Lead end-to-end solution design across event-driven , microservices , and cloud-native ...

High-Scale .NET Platform C#, .NET, Kafka, SQL, AWS, AI/ML, Event-Driven Systems Hybrid – North West Are you ready to design and shape the core architecture of a platform built to support global scale , rapid growth, and long-term innovation? We are at the start … teams , and lead architectural decision-making while staying close enough to the code to guide best practice. What You’ll Do Define the architecture, design principles, and technical roadmap for a highly scalable, distributed platform. Lead end-to-end solution design across event-driven , microservices , and cloud-native ...

Developer/Backend Software Engineer (Golang API) Cambridge/WFH to £80k Are you a backend focussed technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house that's remote … access product is used by hundreds of millions of users worldwide. As a Go Developer you will design and develop new features and enhancements to the core remote access product as well as maintaining existing systems. You will be working with a modern microservices tech stack, using Go/ ...

Youll collaborate with business and technical teams to drive innovation, modernize architectures, and maximize value from SAPs cloud technologies. What Youll Do: Lead architecture, design, and implementation of solutions using SAP BTP services such as SAP Build, Integration Suite, Event Mesh, AI Core, and HANA Cloud. Define clean-core … Guide teams in building custom apps, workflows, automations, and side-by-side extensions using CAP/RAP and low-code tools. Own integration and API strategies leveraging BTP Integration Suite (APIs, OData, REST/SOAP, event-driven patterns). Provide technical leadership, mentoring developers and ensuring adherence to coding ...

modern DevOps practices, including CI/CD pipelines, Infrastructure as Code (Terraform), and containerization (Docker, Kubernetes). Hands on experience with modern integration patterns (API design: REST, GraphQL; event driven architecture) and both relational (SQL Server, PostgreSQL) and NoSQL (Cosmos DB, MongoDB) databases. Experience applying AI/… insight into our global impact. About Bentley Systems Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for transportation, water, energy, cities, and more. Founded in 1984 by engineers for engineers, Bentley is the partner ...

modern DevOps practices, including CI/CD pipelines, Infrastructure as Code (Terraform), and containerization (Docker, Kubernetes). Hands on experience with modern integration patterns (API design: REST, GraphQL; event driven architecture) and both relational (SQL Server, PostgreSQL) and NoSQL (Cosmos DB, MongoDB) databases. Experience applying AI/… insight into our global impact. About Bentley Systems Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for transportation, water, energy, cities, and more. Founded in 1984 by engineers for engineers, Bentley is the partner ...

Software Engineer Location: Manchester (Hybrid) Salary: £50,000 - £60,000 (Depending on experience) Tech stack: PHP 7/8, Laravel, RESTful API, MySQL, Vue or React The Opportunity We’re representing a leading retail organisation based in Manchester that is expanding its in-house engineering team due to sustained … . Hands-on experience with a modern PHP framework (Laravel preferred). Good understanding of relational databases (MySQL/PostgreSQL). Knowledge of RESTful API design and backend engineering. Experience with Git and CI/CD workflows. Core front-end understanding (HTML, CSS, JavaScript). Nice to Have ...