51 to 75 of 160 API Design Jobs in England

Solution Architect (Principal Consultant)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformation and ensuring data is protected and used ethically. Talan UK & Ireland provides a range of consultancy and outsourcing capabilities including programme management, market design and governance. We also have extensive and award-winning capabilities across cyber security, data privacy and digital transformation. We are a Great Place … recruiting an ambitious and technically accomplished Solutions Architect to join our Digital business unit as a Principal Consultant. You will lead the design and delivery of scalable, secure, and cloud-native platforms across Energy (including Low Carbon and UK regulatory systems), Financial Services, Public Sector, and Healthcare domains. This ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with … Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast ...

Technical Co-Founder / CTO

Hiring Organisation
BLACKLINE
Location
London, England, United Kingdom
required 3. Backend Intelligence Layer * User profiles + preference memory * Provider availability + scheduling logic * Workflow orchestration (requests → bookings → confirmations) * CRM integration ⸻ Core Responsibilities * Design and build the end-to-end AI concierge system * Select and integrate LLMs, voice models, and orchestration frameworks * Build WhatsApp automation (e.g. via Twilio … architecture that scales without degrading experience ⸻ Technical Requirements You should have strong hands-on experience in: AI/LLM Systems * Prompt engineering + agent design * Tool use/function calling * Memory systems (vector DBs, session memory) * Multi-step workflow orchestration Voice Systems * Real-time speech pipelines (STT/ ...

AWS Solution Architect - Senior Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
high-performing cloud practice. This is an opportunity to work at the forefront of cloud transformation, partnering with tier-one clients across industries to design and deliver innovative, scalable, and secure AWS solutions. You'll play a pivotal role in shaping enterprise cloud strategies while leading complex transformation programmes. … strategy Certifications & Education AWS Certification (Associate or Professional - e.g. Solutions Architect, DevOps Engineer) Degree in Computer Science, Engineering, or related discipline Technical Expertise Architecture & Design Translating business needs into scalable cloud architectures Cost optimisation and cloud best practices Data & AI Experience with data platforms, analytics, and AI/ ...

Full Stack Java Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
looking for an experienced Senior Java Developer to join a high-performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient … care across the country. KEY RESPONSIBILITIES Lead the design and development of robust, scalable Java-based applications across the programme Build and maintain cloud-native solutions on AWS, applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security ...

Frontend Developer

Hiring Organisation
VIKASO® | Robotics 4.0
Location
Buckinghamshire, England, United Kingdom
platform UI conventions, standards, and accessibility guidelines Optimise rendering performance for data-heavy, frequently updating views Architect and maintain a scalable component library and design system Implement robust state management for complex, real-time application state Design & work with, SQL database schemas (tables, relationships, indexes, constraints), data modeling … platform (DOM, layout, rendering pipeline) Solid experience with state management solutions (e.g. Redux, Zustand, Pinia, or similar) Proficiency in CSS/SCSS and responsive design, including CSS Grid and Flexbox Experience with RESTful and WebSocket API integration on the client side Familiarity with modern frontend build tooling (e.g. ...

AWS Solution Architect - Integration Specialist

Hiring Organisation
Anson Mccade
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
focused on designing and delivering modern, cloud-native integration solutions across complex enterprise environments. You'll work across the full lifecycle - from architecture and design through to implementation - leveraging AWS services and best practices to build scalable, secure, and high-performing systems. You'll collaborate closely with clients … include: Designing and implementing AWS-based integration solutions using serverless, microservices, and containerised architectures Building scalable and resilient applications using services such as Lambda, API Gateway, and Kubernetes (EKS) Developing and managing CI/CD pipelines and automation frameworks Applying cloud security best practices, including IAM, encryption, and compliance ...

Tech Lead - Application Engineering Java/Adobe/Marketing

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
. You will be responsible for:- Providing expert level technical direction for complex MarTech projects involving AEM, AEP, Adobe Target, and related integrations. Leading design, development, and implementation efforts across multiple platforms. Leading services and direction, providing technical expertise and completing complex development, design, implementation, architecture design … following skills, then LETS TALK! Full stack development background with Java, JavaScript, HTML, CSS, SQL and modern frameworks Familiarity with microservice architecture, API design, and integration patterns Knowledge of AWS services and cloud-based deployment models Strong understanding of CI/CD pipelines (GitHub), OOP/SOLID, Agile ...

Tech Lead - Application Engineering MarTech

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
. You will be responsible for:- Providing expert level technical direction for complex MarTech projects involving AEM, AEP, Adobe Target, and related integrations. Leading design, development, and implementation efforts across multiple platforms. Leading services and direction, providing technical expertise and completing complex development, design, implementation, architecture design … following skills, then LETS TALK! Full stack development background with Java, JavaScript, HTML, CSS, SQL and modern frameworks Familiarity with microservice architecture, API design, and integration patterns Knowledge of AWS services and cloud-based deployment models Strong understanding of CI/CD pipelines (GitHub), OOP/SOLID, Agile ...

Software Engineer

Hiring Organisation
Addition
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
participate in redesigning our core products, working across greenfield and legacy solutions. Your expertise will influence every stage of the product lifecycle—from initial design to deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core … development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes, and cloud platforms such as AWS or Azure Familiarity with Typescript and React (desirable) Knowledge of SQL and NoSQL databases Experience with TDD, Agile ...

Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Java, Python, React , and MongoDB to join a high-performing engineering team . You will work across the full development lifecycle, contributing to the design, build, and delivery of high-quality software solutions. The role requires strong technical expertise, proactive problem-solving, and the ability to collaborate effectively … multidisciplinary teams. Key Responsibilities Design, develop, test, and deploy high-quality software solutions using Java , Python , React , and MongoDB . Participate in solution design, estimation, and technical decision-making. Develop reusable components and shared services. Work within Agile teams to support sprint planning, refinement, and retrospectives. Ensure code ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: The design ...

Senior .Net Back End Developer

Hiring Organisation
Ascend Consulting
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per annum
Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role) A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … required with expertise in .NET, C#/VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

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 ...

Senior Cloud Systems Engineer Optical Ground Systems

Hiring Organisation
Archangel Lightworks Ltd
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
technologies, wed love to hear from you! Role Overview As a Cloud Systems Engineer, you will play a critical role in supporting the specification, design, integration, and test of cloud-based software and interfaces that enable seamless operations and communications for our Optical Ground Stations. This role involves working … systems engineering, and operational workflows. Key Responsibilities Define and document system-level requirements for cloud-based software supporting the operation of Optical Ground Stations. Design scalable, secure, and reliable system architectures and manage APIs, ensuring scalability, security, and operational reliability. Serve as the primary technical point of contact ...

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 ...

Product Director, Molecule Design Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
assets, ontology, Knowledge Graph/semantic search, data/computing/analysis platforms, and data-powered applications. We are seeking an experienced Director, Molecule Design Products who will be accountable for designing and delivering the roadmap for molecule design products to support GSK Research and Development. This role … will be pivotal in ensuring a cohesive enterprise level strategy towards molecule design solutions and will ensure our scientists have access to best-in-class technology products to improve research productivity and ultimately deliver new medicines for our patients. As the Product Director for Molecule Design Products ...

Full Stack Software Engineer

Hiring Organisation
Frontier Resourcing Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Stack Engineer to help us scale 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 my clients hi tech analytics. Working closely with experienced engineers, analysts … 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 ...

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 ...

Principal Solution Architect

Hiring Organisation
Tech Mahindra
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
align with our business objectives. This role requires a strategic thinker with a deep understanding of software development processes and architecture best practices. Responsibilities: Design and develop application architecture frameworks that support business goals and enhance system performance. Collaborate with cross functional teams to gather requirements and translate them … into technical specifications. Evaluate and recommend tools, technologies, and processes to ensure the highest quality product platform. Lead architectural discussions and design reviews, ensuring alignment with enterprise architecture standards. Provide technical leadership and mentorship to development teams, fostering a culture of innovation and continuous improvement. Conduct performance tuning, optimization ...

Senior Python Developer

Hiring Organisation
Spencer Rose Ltd
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
occasional out-of-hours support. Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet … expectations, and operational reliability. Integrate products with monitoring and support tooling. Experience/Skills required: Experienced Senior Engineer who can make sound trade-offs, design for scale, and contribute to complex systems without over-engineering. Strong engineering judgement and real-world delivery experience. Senior-level experience designing and building ...

Lead Software Developer - FDS Squad

Hiring Organisation
Amber Labs
Location
Manchester Area, United Kingdom
primarily backend-focused, leveraging Java and microservices architecture, with some awareness of frontend templating to support full-stack delivery. Key Responsibilities Lead the design and development of scalable backend services Act as a technical authority within the squad, guiding design decisions Contribute hands-on to development while mentoring … closely with: Product managers/QA engineers/Analysts Ensure alignment with shared engineering standards and practices Strong experience with: Microservices and distributed systems design Support delivery in fluid and evolving requirement environments Drive continuous improvement in: Code quality/Development practices/Team collaboration Essential Skills Backend Development ...

Mid-Level Backend Engineer (50010)

Hiring Organisation
Jobleads-UK
Location
Basingstoke, England, United Kingdom
that meet our clients’ needs. You will collaborate with cross-functional teams to deliver innovative products that drive business success. Core Responsibilities Software Development: Design, develop, test and deploy software applications and features using industry best practices and coding standards. Write clean, efficient, and maintainable code that meets functional … performance requirements. Technical Design: Collaborate with product managers, designers, and fellow engineers to translate business requirements into technical designs and architecture. Participate in architectural discussions, propose solutions, and make recommendations for system improvements. Problem Solving: Analyze complex technical problems and propose creative solutions. Troubleshoot issues, debug code, and implement ...

Senior Product Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
rather than hours. You ship these without needing to be guided step by step. You're not a specialist who hands off at the API boundary. You think in user outcomes and delivery units, and you're reliable: your code handles edge cases, your APIs have clean contracts … across the stack — ship workable React/TypeScript frontend for product features; not a frontend specialist, but comfortable and pragmatic Collaborate with product and design — translate ambiguous requirements into concrete shipped work; be the engineer who unblocks, not the one who waits Maintain quality at speed — handle data integrity ...

DevSecOps Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Romsey, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum Benefits package
token management Virtualisation & Containerisation Docker, Podman Kubernetes GPU containerisation (e.g. NVIDIA Container Toolkit, Run:AI) Architectural Approaches Microservices and serverless architectures Edge computing API design (REST, gRPC/Protobuf) Event-driven systems (Kafka, MQTT) DevSecOps Tooling Version control (Git) CI/CD pipelines (e.g. GitLab CI/ ...