21 of 21 API Design Jobs in the South West

Remote Lead Java Developer/Solution Architect (6-month contract)

Hiring Organisation
gravity9
Location
Merriott, Somerset, UK
expect most people to move between programmes as engagements start and complete. Several of these are hands-on architect roles: you will own design decisions and also write production code The kind of work The following are representative of current and upcoming engagements. Individual roles will draw on some … over days. The work includes target-state architecture and decision records, change-data-capture ingest pipelines from upstream data services, ontology and mapping-layer design across suppliers with competing data models, separation of system, reference and insight data classes including time-series, and deployment topologies spanning cloud-hosted services ...

Remote Senior Node.js Developer (UK)

Location
Chard, Somerset, United Kingdom
Googling it. Deep experience with TypeScript in production codebases. We write typed code, and we expect you to understand why. Strong command of RESTful API design, authentication patterns (OAuth 2.0, JWT), and API security best practices for enterprise environments. Proven experience with SQL and NoSQL databases, query … Azure), and infrastructure-as-code principles. Highly Preferred (These Will Set You Apart) Salesforce development experience: Apex, Lightning Web Components (LWC), Visualforce, or Salesforce API integrations. If you know both Node.js and Salesforce, you are a rare and extremely valuable candidate to us. Experience building or contributing to Salesforce ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Yeovil, Somerset, UK
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Remote Senior Frontend Engineer, Marketing Website

Location
Wadebridge, Cornwall, United Kingdom
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Software Engineering Manager

Location
Bristol, England, United Kingdom
flow metrics, communicating timelines, dependencies, and risks early and transparently. Establish engineering guardrails across scope, quality, and non-functional requirements, enabling teams to design optimal solutions within them. Champion observability and operational excellence, ensuring system health, SLOs, and alerting are visible and actively managed. Partner with Tech Leads … Architects on system design and evolution, bringing structured thinking to complex, distributed environments. Foster a culture of ownership, collaboration, and continuous improvement, helping teams navigate technical and product challenges with clarity and purpose. Grow and develop engineers through coaching, feedback, hiring, and creating an environment that supports autonomy, mastery ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together AI
Location
Salisbury, Wiltshire, UK
infrastructure at massive scale, and help define how self-improving AI agents operate real-world AI infrastructure. Remote based in the UK Responsibilities Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets. Build the distributed … production into reliable, reviewed software and automation. Requirements 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms. Strong systems design skills and experience owning significant systems from design through production. Depth in at least one of the following: AI agent systems, orchestration, tool ...

Software Engineer - Android Developer

Location
Cheltenham, England, United Kingdom
experience with: Android development (Kotlin, Jetpack Compose) Backend development (Rust, Python or Go) Git and modern development workflows Docker + CI/CD pipelines API design (REST/OpenAPI) Working in secure or controlled environments Nice to have: AWS or Azure experience Kubernetes Agile delivery experience Secure coding ...

UI Senior Lead Software Engineer - Commodities

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
inclusive team culture. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … leadership in setting standards, leading designs, and directly managing or mentoring small teams of mid-level engineers Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication and people skills, with the ability to work ...

Senior Frontend Developer - Remoto

Location
Cheltenham, Gloucestershire, United Kingdom
your Rust is still developing, a strong track record of picking up new languages to depth quickly is essential Strong grasp of distributed systems, API design, and real-time data (REST, WebSockets, network protocols such as TCP/UDP and binary protocols) Python for scripting, automation, and tooling ...

Senior Frontend Developer (Remote)

Hiring Organisation
Reactive Markets
Location
Taunton, Somerset, UK
your Rust is still developing, a strong track record of picking up new languages to depth quickly is essential Strong grasp of distributed systems, API design, and real-time data (REST, WebSockets, network protocols such as TCP/UDP and binary protocols) Python for scripting, automation, and tooling ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data-intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

Technical Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
technical leadership across the Front Office application portfolio, ensuring solutions are aligned with business strategy, architectural standards, and operational requirements Lead the design, development, implementation, and support of technology solutions that enable investment, trading, portfolio management, and related business capabilities Partner with Product Owners, business stakeholders, architects, and engineering … platform simplification, application resiliency, automation, and AI-enabled capabilities Act as the primary technical authority for the application suite, making informed decisions on architecture, design patterns, technology selection, and engineering best practices Manage technical deliveries across multiple concurrent initiatives, ensuring successful execution, risk management, stakeholder communication, and high-quality ...

Senior Software Engineering Manager (Active Savings)

Location
Bristol, England, United Kingdom
Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality—then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers … business teams. You embrace ambiguity, foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel ...

AWS Development Team Leader

Location
Swindon, England, United Kingdom
minimum you’ll have: Development experience ideally in Python and/or Node.js Experience with AWS including AWS Connect, Lambda, S3 and DynamoDB REST API design and integration experience aligning to industry standards Experience working in agile, DevOps-driven teams Experience leading code reviews, design discussions ...

C# .NET Developer

Hiring Organisation
Proactive Appointments
Location
Taunton, Somerset, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
joining an established team where you’ll have the opportunity to work alongside other Junior and experienced developers, contributing to the design and development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# … . 2 – 5 years of professional experience in backend development. Strong proficiency in C# and .NET Core (latest versions). Solid understanding of RESTful API design and integration. Familiarity with CI/CD pipelines and Git for version control and continuous integration. Excellent problem-solving and analytical skills ...

Full Stack Developer - Frontend Backend Remote (m/f/d)

Location
Fairford, Gloucestershire, United Kingdom
using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes … using Node.js and TypeScript. Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks. Strong understanding of distributed systems, microservice architecture and API design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with ...

Full Stack Developer - Frontend Backend Remote (m/f/d)

Hiring Organisation
QuantumLoopAi
Location
Ottery St Mary, Devon, UK
using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes … using Node.js and TypeScript. Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks. Strong understanding of distributed systems, microservice architecture and API design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with ...

Remote Full Stack Engineer (Backend Heavy)

Location
Looe, Cornwall, United Kingdom
using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes … using Node.js and TypeScript. Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks. Strong understanding of distributed systems, microservice architecture and API design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with ...

Remote Full Stack Engineer (Backend Heavy)

Location
Ottery St Mary, Devon, United Kingdom
using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes … using Node.js and TypeScript. Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks. Strong understanding of distributed systems, microservice architecture and API design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with ...

Manager, AI Agents Lead Developer, SAP Design & Innovation, Technology and Transformation

Hiring Organisation
Deloitte
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
Manchester Business Line Technology & Transformation Job Type Permanent/FTC Date published 18-Sep-2026 Req # 24947 Job description Connect to your IndustrySAP+ Design & Innovation Join a high-growth SAP+ Design & Innovation team that’s shaping how organisations harness cutting edge AI technology to transform their … processes, and accelerate their digital transformation journeys. This is more than a delivery role. You’ll work closely with clients and project teams to design and implement intelligent AI-powered solutions that augment SAP implementations, influence how organisations operate, and see your work make a real, measurable impact. ...