1 to 25 of 517 API Design Jobs

Solutions Architect

Hiring Organisation
Hellowork Consultants
Location
Edinburgh, Scotland, United Kingdom
Role : Solution Architect Location : Edinburgh – 3 days a week Job Description: Principle Responsibilities Work as part of API Design and analysis team with responsibility for API Design, aligned to value streams. The solution architect is responsible for analysis of existing system and defining the API … contract. Prepare Design Document and presentation for the stakeholders Work with Global Enterprise/Solution Architects to review end-to-end technical design. Review/Ensure the technical design is technically coherent and future proof and compliance with technology standards and regulatory obligations Identify any issues that ...

Technical Architect - Insurance

Hiring Organisation
Arthur Recruitment
Location
London Area, United Kingdom
partnering with a data-first specialty insurance business seeking a Technical Architect with deep expertise in integration and platform architecture to shape the design and governance of our enterprise ecosystem. Key Responsibilities Integration Architecture Define enterprise integration strategy: API design, messaging patterns, EDA, ETL/ELT processes. … Lead API design, documentation, and governance—RESTful, OpenAPI-compliant, high-performance interfaces. Collaborate with Data Architects/Engineers to operationalize AI models (Gen AI, Agentic AI, LLMs). Establish secure integration standards: OAuth, API keys, and encryption on Azure. Platform Architecture Advise on technology selection, platform implementation ...

Technical Architect - Insurance

Hiring Organisation
Arthur Recruitment
Location
City of London, London, United Kingdom
partnering with a data-first specialty insurance business seeking a Technical Architect with deep expertise in integration and platform architecture to shape the design and governance of our enterprise ecosystem. Key Responsibilities Integration Architecture Define enterprise integration strategy: API design, messaging patterns, EDA, ETL/ELT processes. … Lead API design, documentation, and governance—RESTful, OpenAPI-compliant, high-performance interfaces. Collaborate with Data Architects/Engineers to operationalize AI models (Gen AI, Agentic AI, LLMs). Establish secure integration standards: OAuth, API keys, and encryption on Azure. Platform Architecture Advise on technology selection, platform implementation ...

API Platform Architect (.Net, APIM, Azure, Kubernetes)

Hiring Organisation
Insight International (UK) Ltd
Location
City of London, London, United Kingdom
Role: API Platform Architect Location: London (2-3days/week On-Site) Job Type: Contract We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands-on , combining … deep expertise in Azure cloud services, Kubernetes, Terraform, API security, and distributed systems with the ability to guide, review, and contribute to .NET Core API development practices . The architect will define and maintain the vision and standards for the platform while actively engaging in coding, troubleshooting, design ...

API Platform Architect (.Net, APIM, Azure, Kubernetes)

Hiring Organisation
Insight International (UK) Ltd
Location
London Area, United Kingdom
Role: API Platform Architect Location: London (2-3days/week On-Site) Job Type: Contract We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands-on , combining … deep expertise in Azure cloud services, Kubernetes, Terraform, API security, and distributed systems with the ability to guide, review, and contribute to .NET Core API development practices . The architect will define and maintain the vision and standards for the platform while actively engaging in coding, troubleshooting, design ...

Mobile Backend Developer (JAVA/Kotlin)

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. Adhere to IT and Information Security policies and procedures in all engineering … Your Profile Essential Skills/Knowledge/Experience: Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design Understanding of API design for mobile application with event driven architecture Strong analysis and problem-solving skills Knowledge ...

Senior Applications Engineer - Java

Hiring Organisation
Hays Specialist Recruitment
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 70,000 Annual
possess a combination of some of the following skills, then LETS TALK! Experience in Java development Backend cloud-based application development Understanding of API design for mobile applications with event-driven architecture Strong analysis and problem-solving skills Preferred - Experience of building distributed scalable microservices using Java/… Kotlin, Spring Boot, OAuth 2.0, Secure API design A working understanding of technologies/areas: AWS, API Design, Automation testing In return, you will be rewarded with a highly competitive benefits package including a bonus and ongoing career development and training. What you need ...

Senior Applications Engineer - Java

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
possess a combination of some of the following skills, then LETS TALK! Experience in Java development Backend cloud-based application development Understanding of API design for mobile applications with event-driven architecture Strong analysis and problem-solving skills Preferred - Experience of building distributed scalable microservices using Java/… Kotlin, Spring Boot, OAuth 2.0, Secure API design A working understanding of technologies/areas: AWS, API Design, Automation testing In return, you will be rewarded with a highly competitive benefits package including a bonus and ongoing career development and training. What you need ...

Java Architect

Hiring Organisation
HCLTech
Location
Edinburgh, Scotland, United Kingdom
countries. Founded in 1976, HCL is one of India's original IT garage start-ups. For more on HCL, please visit www.hcl.com Job Title: API Architect Location: Edinburgh, UK Experience Level: 15+ years Mode of Hiring- Permanent Position 2 days hybrid is mandatory and 3 days remote. Job Description … maintain the Application Programming Interfaces for specific business functional/technical areas and provide high-level roadmaps for the implementation of the robust API solutions, aligning to a common technical direction ensuring accomplishment of the roadmaps. Key Responsibilities Design and define API architecture and standards. Collaborate with ...

Technical Architect

Hiring Organisation
IPS Group
Location
London, United Kingdom
Employment Type
Permanent
designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisations enterprise technology landscape. This is a pivotal position within … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

Technical Architect

Hiring Organisation
IPS Group
Location
City of London, London, United Kingdom
designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisation’s enterprise technology landscape. This is a pivotal position … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

MuleSoft Architect

Hiring Organisation
Coforge
Location
London Area, United Kingdom
MuleSoft Architect Key skills: MuleSoft, API management, API Designer, API Manager, and API Studio, Healthcare domain experience and FHIR and HL7 Experience : 10+ years Location : London, UK We at Coforge are seeking “MuleSoft Architect ” with the following skill-set: Job Specification Development of API management … Integration Technology Architect for the adoption of Hybrid Integration or iPaaS solutions, with a particular focus on the MuleSoft Anypoint Platform, including API Designer, API Manager, and API Studio. Define and deliver the integration technology aspects of projects, including the timely production of architectural designs and documentation. ...

MuleSoft Architect

Hiring Organisation
Coforge
Location
City of London, London, United Kingdom
MuleSoft Architect Key skills: MuleSoft, API management, API Designer, API Manager, and API Studio, Healthcare domain experience and FHIR and HL7 Experience : 10+ years Location : London, UK We at Coforge are seeking “MuleSoft Architect ” with the following skill-set: Job Specification Development of API management … Integration Technology Architect for the adoption of Hybrid Integration or iPaaS solutions, with a particular focus on the MuleSoft Anypoint Platform, including API Designer, API Manager, and API Studio. Define and deliver the integration technology aspects of projects, including the timely production of architectural designs and documentation. ...

Mulesoft Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £520/day
Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing … stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such ...

Senior Backend Engineer

Hiring Organisation
Reelables
Location
London Area, United Kingdom
data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

Senior Backend Engineer

Hiring Organisation
Reelables
Location
City of London, London, United Kingdom
data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

Senior Backend Engineer

Hiring Organisation
Reelables
Location
Slough, Berkshire, UK
Employment Type
Full-time
data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
East London, London, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
Bury, Greater Manchester, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
Altrincham, Greater Manchester, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
Leigh, Greater Manchester, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
Leeds, West Yorkshire, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe

Hiring Organisation
VirtueTech Recruitment Group
Location
Bolton, Greater Manchester, United Kingdom
Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...