26 to 50 of 99 Remote/Hybrid API Design Jobs

Senior Software Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
embedded delivery team supporting client's technology and product teams as a senior technical lead within an agile environment. What You'll Do Design, build, and maintain scalable, production-grade software across web, API, and data layers Own technical delivery end-to-end from requirements gathering through … stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with CI/CD pipelines, (Docker/Kubernetes), and DevOps practices Strong ...

Lead Full Stack Developer

Hiring Organisation
Couch Heroes
Location
United Kingdom
backend microservices using TypeScript, Node.js, and Express, with MongoDB for persistent storage and Redis for caching, session management, and pub/sub messaging. Design scalable, well-bounded services that support the throughput and reliability demands of a live-service MMO: player accounts, social systems, marketplace, mail, inventory, and platform … orchestration and deployment. Establish deployment practices that support rapid iteration without compromising stability. Make architectural decisions about service boundaries, data models, caching strategies, and API design that balance immediate delivery needs with long-term scalability. Establish monitoring, alerting, and incident response practices using Grafana and Uptime Kuma ...

AWS Solution Architect - Associate Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
impact role delivering large-scale enterprise cloud transformation programmes using AWS. What the Role Involves: As an AWS Solution Architect (Integration Specialist), you will: Design and deliver AWS cloud-native workloads using serverless, microservices, and containerised architectures Build scalable, resilient, and secure integration solutions across enterprise systems Develop … Oracle What You'll Need: Hands-on experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security ...

Senior Java Software Engineer

Hiring Organisation
Sanderson
Location
United Kingdom
internal systems. You will work within cross-functional agile squads and are expected to contribute from day one with minimal ramp-up. Key Responsibilities: Design, develop, and deliver high-quality Java microservices in support of back-office platform integration Build and maintain RESTful and event-driven APIs supporting settlement … reconciliation, corporate actions, and custody workflows Integrate with third-party financial platform APIs and messaging systems Contribute to technical design discussions, architecture reviews, and solution documentation Write clean, well-tested, production-grade code with appropriate unit, integration, and contract testing coverage Participate in code reviews and uphold engineering standards ...

Senior Software Engineer

Hiring Organisation
Reed
Location
Shirebrook, Mansfield, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum, Negotiable
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 ...

Full Stack Engineer

Hiring Organisation
Cervus
Location
Greater Bristol Area, United Kingdom
Engineer to help us scale our data and analytics capabilities across the UK and international markets. In this role, you will contribute to the design, development and maintenance of the data pipelines, platforms and services that power Cervus’ analytics. Working closely with experienced engineers, analysts, and delivery teams … defence. You will also be encouraged to leverage modern AI tools to accelerate high quality, sustainable development. As a Full Stack Engineer, you will: • Design, develop, automatically test and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. • Build scalable RESTful APIs ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
delivery of the platform, ensuring the team consistently ships high-quality, production-ready increments. Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. Lead estimation, sprint planning, and decomposition of technical work; proactively identify and manage technical risk, dependencies … architecture function, clearly articulating technical constraints, risks, or emerging complexity with architectural implications, supported by evidence and proposed alternatives. Ensure application of secure-by-design principles and validate and refine Figma wireframes. Represent the team's technical work clearly and credibly to non-technical audiences. Define and enforce ...

Principal Technical Lead

Hiring Organisation
RAIL SAFETY AND STANDARDS BOARD
Location
London, UK
Employment Type
Full-time
delivery of the platform, ensuring the team consistently ships high-quality, production-ready increments. Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. Lead estimation, sprint planning, and decomposition of technical work; proactively identify and manage technical risk, dependencies … architecture function, clearly articulating technical constraints, risks, or emerging complexity with architectural implications, supported by evidence and proposed alternatives. Ensure application of secure-by-design principles and validate and refine Figma wireframes. Represent the team's technical work clearly and credibly to non-technical audiences. Define and enforce ...

Senior Software Engineer

Hiring Organisation
TRIA
Location
London Area, United Kingdom
code quality, and conduct structured code reviews across the delivery team. Work directly with the BA to translate business requirements into sound technical design and produce low-level design documentation. Make architecture decisions, present options clearly to non-technical stakeholders, and govern integration standards across the programme. Support … roles, with strong hands-on .NET/C# delivery. Demonstrable experience leading architecture decisions on production-grade systems, not just contributing to them. REST API design and integration experience at scale, including defining and governing integration standards. Microsoft SQL Server: schema design, query optimisation, and working knowledge ...

Lead .NET Engineer/Architect

Hiring Organisation
Tria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
code quality, and conduct structured code reviews across the delivery team. Work directly with the BA to translate business requirements into sound technical design and produce low-level design documentation. Make architecture decisions, present options clearly to non-technical stakeholders, and govern integration standards across the programme. Support … roles, with strong hands-on .NET/C# delivery. Demonstrable experience leading architecture decisions on production-grade systems, not just contributing to them. REST API design and integration experience at scale, including defining and governing integration standards. Microsoft SQL Server: schema design, query optimisation, and working knowledge ...

Technical Lead Engineer (Full Stack Java / Vue.js)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
engineers and help elevate the overall technical capability of the team. What youll be doing: Youll be working across the full stack, leading the design and delivery of new features while ensuring performance, scalability, and reliability. The role requires someone who can take high-level requirements and translate them … development, paired with strong backend experience in Java and the Spring Boot ecosystem (including Data, Security, and MVC). A solid understanding of RESTful API design, SQL/database design, CI/CD pipelines, and AWS is essential. What were looking for Were looking for someone with ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across … automations in JavaScript and Python - ticket routing, billing triggers, licence lifecycle, CRM sequences, alert-to-action logic. Build and maintain Azure middleware (Logic Apps, API Management, Service Bus) as IaC via Terraform through a CI/CD pipeline. Iterate the acquisition onboarding playbook. What we're looking for * 5+ ...

Senior Technical Lead

Hiring Organisation
Nextech
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £90,000 per annum
into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across … automations in JavaScript and Python - ticket routing, billing triggers, licence lifecycle, CRM sequences, alert-to-action logic. Build and maintain Azure middleware (Logic Apps, API Management, Service Bus) as IaC via Terraform through a CI/CD pipeline. Iterate the acquisition onboarding playbook. What we're looking for * 5+ ...

Senior Software Engineer

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
innovation, security and a healthy work-life balance. Responsibilities Develop and maintain secure, scalable software solutions within an agile delivery team Contribute to the design and implementation of digital services, supporting technical decisions and improvements Collaborate with business analysts, delivery managers and other engineers to refine user stories … Azure Exposure to cloud-native architectures (e.g. serverless, containers) Experience contributing to improvements in team processes, tooling or engineering practices Understanding of API design and tools such as OpenAPI Exposure to public sector or working within GDS standards and accessibility guidelines Benefits Alongside your salary ...

Senior Software Engineer (Developer Platform) Engineering · ·

Hiring Organisation
Jobleads-UK
Location
United Kingdom
connects Magic Containers, Edge Scripting, and Database into one seamless developer experience, and this role sits right at the center of it. You’ll design and own the projects, secrets management, and observability platform that developers interact with every day. This is greenfield work: the APIs you build here … will shape how customers build and scale on bunny.net for years to come. You’ll work alongside a small, highly autonomous Core API team that ships fast, debates ideas openly, and cares deeply about developer experience. If you love building infrastructure that developers love using, you’ll feel right ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
looking for two experienced Senior Full Stack Software Engineers to join a high-performing engineering team. You will play a senior role in the design and delivery of modern, scalable web applications, bringing strong full stack expertise across Next.js, TypeScript, and AWS in a programme delivering meaningful impact across … services nationwide. KEY RESPONSIBILITIES Design and build high-quality, scalable full stack applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write ...

Full Stack Engineer

Hiring Organisation
Brio Digital
Location
United Kingdom
looking for two experienced Senior Full Stack Software Engineers to join a high-performing engineering team. You will play a senior role in the design and delivery of modern, scalable web applications, bringing strong full stack expertise across Next.js, TypeScript, and AWS in a programme delivering meaningful impact across … services nationwide. KEY RESPONSIBILITIES Design and build high-quality, scalable full stack applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
looking for two experienced Senior Full Stack Software Engineers to join a high-performing engineering team. You will play a senior role in the design and delivery of modern, scalable web applications, bringing strong full stack expertise across Next.js, TypeScript, and AWS in a programme delivering meaningful impact across … services nationwide. KEY RESPONSIBILITIES Design and build high-quality, scalable full stack applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write ...

Software Engineer (GenAI)

Hiring Organisation
AJ Bell
Location
Salford, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
toolchains Familiarity with large language models (LLMs) like GPT, Gemini, and open-source models such as Lama and MRR Solid understanding of RESTful API design and implementation Git based source control and JIRA Bonus points for: Knowledge/experience working with Cloud, preferably AWS Knowledge of AI/ ...

Technical Project Manager 100% remote

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Agile Project Management certification. Technical Knowledge Knowledge of database systems (SQL, NoSQL). Experience with Docker, Kubernetes, or similar technologies. Experience with API design and integration. Thorough understanding of quality control and assurance processes. Ability to understand and contribute to system architecture discussions. Experience participating in or leading ...

Back End Developer

Hiring Organisation
NearTech Search
Location
London Area, United Kingdom
agility with the backing of a well-established business. The Senior Back End Developer will... take ownership of backend engineering for a new API-first data intelligence platform. Role Highlights Design and build scalable backend systems from a true greenfield starting point Define architecture, balancing rapid delivery with … long-term scalability Develop API-first services for data-heavy, enterprise-grade applications Embed observability, metrics, and performance tracking from day one Collaborate within a small, high-autonomy team shaping a new product You Will Need Extensive backend development experience within data-driven B2B environments Strong programming skills ...

Senior Applied AI Engineer (.NET)

Hiring Organisation
Adria Solutions
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Senior Applied AI Engineer (.NET) Were looking for a Senior Applied AI Engineer to design and deliver production-grade AI-powered features within a modern .NET product environment. This is a hands-on engineering role focused on applying AI in real systems not training models. Youll work with commercial … role suits someone who has already successfully integrated AI into production products and can bring proven patterns into a growing team. What Youll Do Design and build AI-powered product features within a C#/.NET ecosystem Integrate commercial AI APIs into production systems with a focus on reliability ...

Technical Lead - TypeScript / Node.js

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
fast-moving startup environment. The Role Technical Strategy & Leadership Work alongside the founder to define and evolve the technical roadmap Lead architectural design and critical technology decisions Champion engineering best practices, code quality, and technical excellence Mentor, coach, and grow engineers at all levels Foster a culture of ownership … collaboration, and innovation Backend Architecture & Development Architect, build, and scale backend services and RESTful APIs Design, optimise, and maintain MongoDB database solutions Improve system reliability, performance, and scalability Resolve complex production issues with robust solutions Implement microservices and modern backend patterns Collaboration & Delivery Partner with Product, Design ...

Senior Backend Developer (.NET | AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
United Kingdom
that power these systems, working in a multinational, AI-first engineering team where quality, ownership, and long-term thinking matter. What You’ll Do Design, build, and maintain scalable backend services for Keepnet’s Human Risk Management platform. Build clean, modular APIs that integrate internal services and third-party … enable automation, reporting, and security workflows. Develop testable, maintainable codebases using principles such as Clean Architecture, DDD, and TDD. Own the full development lifecycle : design, implementation, CI/CD (Azure), and post-release monitoring. Work on distributed and asynchronous systems using message queues, background workers, and event-driven workflows. ...

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
build. The team is small, collaborative, and deliberately high calibre. Engineers are trusted to take ownership, contribute to product direction, and work closely with design and commercial teams to shape what gets built. What you will be doing Building end to end features across backend and frontend, from APIdesign through to UI Working closely with product and design to turn ideas into well thought through functionality Improving performance, usability, and reliability of a live product used by real customers Contributing to technical decisions as the platform evolves and scales Owning meaningful parts of the product rather ...