201 to 225 of 271 API Design Jobs

Python Engineer

Hiring Organisation
Adecco
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
expertise in Python development. AI Knowledge : Familiarity with LLMs and Generative AI solutions, along with frameworks like LangChain or LangGraph. Technical Skills : Proficiency in API design and integration, SQL, data processing, Git, and CI/CD practises. Production Focus : A solid engineering mindset with the capability to extend ...

Python Engineer

Hiring Organisation
Adecco
Location
North West, United Kingdom
Employment Type
Contract
expertise in Python development. AI Knowledge : Familiarity with LLMs and Generative AI solutions, along with frameworks like LangChain or LangGraph. Technical Skills : Proficiency in API design and integration, SQL, data processing, Git, and CI/CD practises. Production Focus : A solid engineering mindset with the capability to extend ...

Senior Software Engineer, New Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
sound, you are a generalist at heart. You will do whatever it takes to get a product into the hands of global users—from API design to frontend polish. Minimum Qualifications 6+ years of software engineering experience , with a deep foundation in backend architecture and a proven ability ...

Kotlin Engineer Contractor (GenieConnect)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
looking for a Kotlin-“first” full-stack engineer. Longer term we may be more stack-“agnostic”. Backend: Ktor, Spring Boot, or similar. API design, databases. AWS: CI/CD, containers, infrastructure-as-code. Hands-on. Frontend: Kotlin/JS, Compose for Web. Willing to work across ...

Senior Engineering Manager - Enterprise Trust & Reliability

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
surprises at review time. Own delivery and technical direction. Partner with the tech leads on architecture, and hold the standard for how the teams design, review, and ship across two quite different technical domains. Hire and raise the bar. Fill the open seats using our High-Agency & AI-Native … both domains. You needn't be the deepest expert in either, but you hold your own with senior engineers on both sides: integration and API design, identity and SSO, and third-party systems on the CTI side; reliability, observability, incident response, and SLOs on the S&O side. ...

Senior Backend Engineer – AI-Driven Real-Time Systems (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
Kantar in Reading is hiring a Senior Software Engineer to help build AI-driven digital twin platforms. You will design scalable backend services, implement event-driven architectures, and work with product and data science teams to deliver reliable, production-ready systems. Responsibilities include API design for high ...

Senior API Engineer — AI-Driven Standards

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Identity is seeking Senior Software Engineers for its OneLogin team in the United Kingdom. You will own API standards, build tooling to auto-generate and validate specifications, and leverage AI to speed API design and documentation while reducing inconsistencies across services. The role emphasizes ownership, collaboration with ...

Senior Test Engineering Manager (Automation-First)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
automated testing into CI/CD pipelines so quality is continuous and enforced Upskill and mentor test engineers and software engineers in automation, test design, and quality engineering Establish quality standards, best practices, and governance without slowing teams down Reduce manual testing, flaky automation, and release risk Partner with … engineering leadership to raise overall engineering maturity Influence system and API design to improve testability, resilience, and maintainability Essential Experience A software engineer at heart with senior test engineering leadership experience Proven track record of creating and evolving test strategies, not just executing them Experience building and scaling ...

Senior Software Engineer: Java, React & Cloud Microservices

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
Barclays is seeking a Senior Software Engineer to design, develop, and improve software across front-end and back-end, leveraging React/Angular, Java/Spring, REST APIs, and secure coding practices to deliver scalable digital services. Join a collaborative team in Glasgow, contributing to architecture, API design ...

Backend Engineer - Scalable Pricing & AI

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Expedia Group is seeking a Software Development Engineer II (Backend) to design, develop, and maintain high-throughput pricing services. You will implement caching, contribute to API design and data modeling for scalable microservices, and collaborate with cross-functional teams. Required are 2+ years of backend experience with ...

Principal AI Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
team, which builds and runs the infrastructure connecting CreateFuture’s engineers and client workloads to multiple LLM providers — from the inference control plane (the API gateway and routing layer for Anthropic, AWS Bedrock, OpenAI, and others) through to the orchestration and lifecycle tooling that turns individual AI integrations into … experience across the gateway, orchestration, and governance layers, with support from senior colleagues. What you’ll be doing Build, run, and evolve the API gateway and routing layer connecting engineers and client workloads to multiple LLM providers (Anthropic, AWS Bedrock, OpenAI), including the failover and routing strategies ...

Senior AI Engineer - Generative AI & Agentic Solutions

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
that generates investment insights using Agentic AI, reducing prep time for client meetings and improving insight quality. The role emphasizes backend development in Python, API design with FastAPI, and cloud experience (AWS), including observability and deployment pipelines. You will work with business and technical teams to deliver scalable ...

Security Engineer

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
strengths and weaknesses of each at least one programming language (e.g. Java, Go) at least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) #J-18808-Ljbffr ...

Senior Software Engineer II - Payin Platform - Backend (Java)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high-volume, high-leverage platform role: the systems you build are used by many teams across the company, so correctness, reliability, and thoughtful API design matter enormously. Qualifications What do you need? 5+ years of experience in Java, Kotlin, Python or Go Strong experience with Spring framework, relational ...

Full Stack Engineer - AI & Cloud-Native (Azure)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enabled capabilities. Ideal candidates have strong C#/.NET or Python skills, experience with React/Angular, and a solid background in secure, scalable API design. This role emphasizes collaboration with product stakeholders and cross-team delivery. #J-18808-Ljbffr ...

Senior Data & Integration Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
requires clear ownership of data, well-defined integration patterns, and controlled transitions between systems. The Senior Data & Integration Architect provides the architectural leadership to design these flows, define boundaries, and ensure that the service can operate reliably throughout this evolution. Role Purpose The Senior Data & Integration Architect is responsible … transition and enables the organization to move with control and confidence. Key Responsibilities Define the target data and integration architecture for the service landscape Design transition patterns that allow two environments to operate together Establish data ownership models, system boundaries, and integration contracts Support wave and delivery planning with ...

Senior Engineering Manager - Enterprise Trust & Reliability

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
surprises at review time. Own delivery and technical direction. Partner with the tech leads on architecture, and hold the standard for how the teams design, review, and ship across two quite different technical domains. Hire and raise the bar. Fill the open seats using our High‐Agency & AI‐Native … both domains. You needn't be the deepest expert in either, but you hold your own with senior engineers on both sides: integration and API design, identity and SSO, and third‐party systems on the CTI side; reliability, observability, incident response, and SLOs on the S&O side. ...

Solution Architect

Hiring Organisation
Artis Recruitment
Location
BS1, Bristol, City of Bristol, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum + 10% Bonus and Excellent Benefits
translate business requirements into practical technical solutions. Define integration approaches, APIs and data flows between enterprise platforms and business systems. Support architecture governance, technical design reviews and solution assurance activities. Ensure solutions meet security, scalability, resilience and operational support requirements. Work collaboratively with internal stakeholders, delivery teams and third … party suppliers throughout the project lifecycle. Contribute to architecture standards, best practice and reusable design patterns. About You We're looking for an experienced Solution Architect with broad technical knowledge rather than a specialist in a single discipline. You'll be comfortable engaging with both technical and non-technical ...

Principal Cloud Architect: Agentic AI & AWS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
part of WPP, seeks a Principal Technical Architect to own the design and quality of robust cloud applications and agentic AI platform components. You will lead workshops, govern technical standards, and mentor teams across AWS-based solutions. The role emphasizes hands-on delivery, API design ...

Software Developer

Hiring Organisation
Orchard Recruitment Ltd
Location
Douglas, Isle of Man, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
here you will: Build and own a number of projects end to end: backend, deployment, and the day-to-day of keeping them healthy Design systems that are simple to run and simple for the next person to read Work with AI agents as a normal part … Cloud and deployment: you can put a service into production and look after it, not just write the code Solid grounding in system design and engineering principles. You think about failure, data, and maintenance before you think about frameworks Fluent with agentic development. You've built real things with ...

S/4HANA - Coupa Integration Architect

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £558 per day + inside ir35
between Coupa and SAP S/4HANA. This is an opportunity to work on a high-profile global programme, owning integration architecture from initial design through to deployment, cutover and Hypercare. What you'll be doing: Designing and delivering Coupa SAP S/4HANA integrations across complex enterprise landscapes … Leading integration architecture, solution design and technical delivery Building and managing APIs including REST/JSON, OData, IDocs and BAPIs Supporting procurement process integrations covering: Supplier and Business Partner data Purchase Orders Goods Receipts Service Entry Sheets Invoices and payment status updates Master data synchronisation Working with integration platforms ...

Principal Software Architect

Hiring Organisation
Spectrum It Recruitment Limited
Location
Uxbridge, London, United Kingdom
Employment Type
Permanent, Work From Home
models and integration patterns Reviewing significant technical initiatives and providing architectural guidance across multiple engineering teams Embedding security, resilience, scalability and observability into platform design from the outset Identifying architectural risk, technical debt and platform constraints Partnering with Engineering and Product leadership on strategic technical decisions Influencing engineering teams … experience defining architecture across SaaS, product-led or platform-based environments Experience working across complex, multi-system or distributed technology landscapes Strong understanding of API design, integration architecture and service-oriented systems Cloud architecture experience, ideally within Azure A strong appreciation for security-by-design, resilience, scalability ...

Principal Software Architect

Hiring Organisation
17918
Location
London, United Kingdom
models and integration patterns Reviewing significant technical initiatives and providing architectural guidance across multiple engineering teams Embedding security, resilience, scalability and observability into platform design from the outset Identifying architectural risk, technical debt and platform constraints Partnering with Engineering and Product leadership on strategic technical decisions Influencing engineering teams … experience defining architecture across SaaS, product-led or platform-based environments Experience working across complex, multi-system or distributed technology landscapes Strong understanding of API design, integration architecture and service-oriented systems Cloud architecture experience, ideally within Azure A strong appreciation for security-by-design, resilience, scalability ...

Principal Embedded Software Engineer I

Hiring Organisation
Jobleads-UK
Location
Milton Keynes, England, United Kingdom
their systems.As a Cesium software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack … have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices.The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal‐writing efforts. As such, excellent written and verbal communication skills ...

Senior Backend Engineer – AI-Driven, Scalable Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
seeking a Backend Engineer with 5+ years of experience to own end-to-end work on AI-enabled data infrastructure. You will drive API design, data management, and scalable architectures while mentoring teammates. You’ll build with Python on a hybrid setup, collaborating across Product, Data Science ...