126 to 130 of 130 API Design Jobs in England

Senior Software Engineer (Golang/Python) | Drug Discovery Platform | Fully Remote, EU | Base Salary Up to £110,000, plus early equity+benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Leeds, West Yorkshire, United Kingdom
help architect the infrastructure for the next generation of secure data collaboration. This is a high-autonomy role where you will own the technical design and lifecycle of production services used by some of the world’s largest pharmaceutical and data-intensive enterprises. Responsibilities for the Senior Software Engineer … Golang/Python) | Drug discovery Platform | Fully Remote, EU | Base Salary Up to £110,000, plus early equity+benefits Design and evolve high-performance backend systems and APIs, primarily using Golang, with Python integrated for specific domain-driven logic. Build and operate software that bridges the gap between Cloud ...

Senior Machine Learning Engineer | Profitable B2B AI Platform | 3-4 Days per week Hybrid, London, Up to £120,000

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
area of the codebase, but over time you’ll work across multiple parts of the stack—from backend services to data pipelines and API design. This is an opportunity for someone who delivers high-quality code quickly, values well-structured architecture and knows when to be pragmatic. … London, Up to £120,000 Build, maintain, and scale machine learning models that drive the core functionality of customer-facing apps and internal dashboards. Design robust data systems to optimize storage, retrieval, and processing speed. Develop AI models specifically for demand prediction and resource optimization, directly impacting service quality. ...

Lead Azure Platform Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day InsideIR35
Lead Azure Platform Engineer - API Platform (APIM/Apigee) | £600- £625 InsideIR35 | 6 month initial | Fully Remote The role is to take ownership and lead the design, development, and maintenance of the API Platform along with conducting reviews of API designs to ensure they align with … standards and governance requirements of the platform. · Collaborate with cross-functional teams to define API requirements. · Ensure the platform is scalable, secure, and performs to meet the current and future needs. · Set technical standards and best practices for API development. Key requirements: - Work with delivery leads and product ...

Full Stack Engineer

Hiring Organisation
Omnis Partners
Location
London Area, United Kingdom
elevate the team through mentorship, collaboration, and thoughtful code reviews. Tech environment: • Frontend: TypeScript, React, Next.js. • Backend: Python (FastAPI or similar), async programming, API design. • Data: Postgres, schema design, performance tuning. • Auth: OAuth/OIDC, JWT, RBAC/ABAC. • AI exposure: LLM integrations, function/tool calling, streaming ...

Frontend Graphics Engineer | High-Performance Charting

Hiring Organisation
techstack Recruitment
Location
London Area, United Kingdom
widely-used charting library used by thousands of developers building data-intensive applications. This is core product engineering — focused on rendering, performance, correctness, and API design. This is not a typical frontend role. You’ll be working closer to a graphics engine than an application layer. What … APIs Solving performance-critical problems in Canvas and SVG Working on correctness and precision in data visualisation Taking features end-to-end — from design through to release Collaborating with senior engineers on a highly integrated visual system Optionally contributing to technical content, demos, or talks What they’re looking ...