126 to 150 of 1,020 API Design Jobs in the UK

developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with … frontend developers to integrate backend services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud … based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Mentor and guide junior developers in More ❯

This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Requirements Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with … frontend developers to integrate backend services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud … based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor More ❯

developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with … frontend developers to integrate backend services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud … based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor More ❯

on these solutions, the successful candidate will bring their technical leadership, enthusiasm and experience to the role. They will initiate and lead investigations and design discussions, driving initiatives through to delivery, and be responsible for the development of new features and modules as well as the maintenance of existing … modules. Main Duties Work with the team and product managers in an agile (scrum) environment to design and develop high-quality features and enhancements. Assist in estimation and planning of future work within a scrum project framework. Create automated unit and integration tests. Take a lead on best practice …/Oracle/PostgreSQL) Development of customer-facing RESTful APIs using security best practices Unit test development (NUnit/xUnit/Moq) Desirable Application Design (DDD/Hexagonal) API Design (Swagger/OpenApi) Authentication (OAuth2/OpenID Connect) Database Connectivity (EF Core) Monitoring (ELK/Prometheus, OpenTelemetry More ❯

commercial consulting. Key Responsibilities Contribute to the development and evolution of their analytical capability, working alongside a highly skilled team of energy market experts. Design, build and maintain robust database infrastructure to optimise internal data workflows and enable scalable access to data to consultants and to our in-house … including cloud-based solutions, to enable efficient and scalable stochastic modelling of power systems and energy assets across European and global markets. Lead the design and improvement of UI/UX components of our internal modelling tools, ensuring ease of use, accessibility, and scalability across the company. Collaborate closely … Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: e.g. JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g. streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative More ❯

hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk … functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. … Thought leader in respective domain, will be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Numerate degree Key Skills 1) Strong functional understanding of physical More ❯

hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk … functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. … Thought leader in respective domain, will be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Numerate degree Key Skills 1) Strong functional understanding of physical More ❯

hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk … functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. … Thought leader in respective domain, will be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Numerate degree Key Skills 1) Strong functional understanding of physical More ❯

money work for the world. This is what #LifeAtBNY is all about. We’re seeking a future team member for the role ofLead Payments API Product Manager - Vice PresidentII to join our Treasury Services Product Management team. This role is located in London and is Hybrid. As a Lead … Payments API Product Manager, you will play a critical role in defining, developing, and managing the lifecycle of our API products. You will work closely with cross-functional teams, including engineering, design, sales, and customer support, to ensure our APIs meet market demands and drive business growth. … The ideal candidate will have a strong technical background, experience in API product management, and the ability to translate complex technical concepts into clear and compelling product strategies. In this role, you’ll make an impact in the following ways: Manage the entire API product lifecycle from ideation More ❯

AI Agents Solution Architect - Future Talent (Q2/Q3 opportunities) for leading GSI in the software engineering market AI Solution Architect to design and implement AI-driven agent solutions for the online commerce space. Deep understanding of AI/ML models, cloud computing, and scalable system architecture. This role … requires expertise in architecting intelligent agents, optimizing cloud-based deployments, and integrating AI services into enterprise applications. Key Responsibilities: Architect and design AI-powered agent solutions that integrate with enterprise systems and cloud platforms. Develop and optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services … Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript, Next.js, etc.) applications to support AI-driven interfaces. Work closely with data scientists and ML engineers to integrate machine learning models into cloud-native applications. Ensure security, scalability More ❯

in Computer Science or relevant discipline 3-5 years professional software development experience Strong Python skills Some experience with Reinforcement Learning Solid grounding in API design, algorithms, design principles Well versed with industry standard development practices, testing frameworks, source control (git), CI, etc Experience of agile development More ❯

ll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture … of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and optimisation Cross application functionality Documenting Problem solving and investigation Peer code reviews Requirements gathering (ad-hoc) Learning and upskilling into new technology You’ll be joining an established Employee owned business (EBT More ❯

ll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture … of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and optimisation Cross application functionality Documenting Problem solving and investigation Peer code reviews Requirements gathering (ad-hoc) Learning and upskilling into new technology You’ll be joining an established Employee owned business (EBT More ❯

working closely with the CTO and product team to bring the new feature to life. The stack: Frontend: Vue3, TypeScript Backend: Node.js, PostgreSQL, Stripe API, GraphQL exposure, RESTful API design Infrastructure: Docker, AWS, CI/CD Pipelines What they need from you: 5+ years of full stack … JavaScript experience with strong commercial use of Vue and Node Ability to design, develop and document scalable APIs and microservices Comfortable integrating third-party services (Stripe experience essential) Experience managing PostgreSQL databases and designing relational data models Strong TypeScript fundamentals and ability to enforce typing and testing standards Familiar More ❯

working closely with the CTO and product team to bring the new feature to life. The stack: Frontend: Vue3, TypeScript Backend: Node.js, PostgreSQL, Stripe API, GraphQL exposure, RESTful API design Infrastructure: Docker, AWS, CI/CD Pipelines What they need from you: 5+ years of full stack … JavaScript experience with strong commercial use of Vue and Node Ability to design, develop and document scalable APIs and microservices Comfortable integrating third-party services (Stripe experience essential) Experience managing PostgreSQL databases and designing relational data models Strong TypeScript fundamentals and ability to enforce typing and testing standards Familiar More ❯

This is an excellent opportunity for a seasoned professional to make a significant impact on our product and technical direction. Role Responsibilities: Lead the design, development, testing, and deployment of high-performance, scalable, and secure backend applications using PHP. Architect and optimize SQL databases (e.g., MySQL, Aurora) for performance … professional experience in backend development, with a strong focus on PHP. Extensive experience with modern PHP frameworks, especially Symfony. Deep expertise in SQL database design, optimization, and administration (e.g., complex queries, indexing, stored procedures, replication). Proven experience leading and mentoring a team of developers. Strong understanding of object … oriented programming (OOP) principles and design patterns. Experience with RESTful API design and development. Familiarity with version control systems, especially Git. Solid understanding of software development lifecycle (SDLC) and agile methodologies. Excellent problem-solving skills and the ability to troubleshoot complex technical issues. Strong communication and interpersonal More ❯

This is an excellent opportunity for a seasoned professional to make a significant impact on our product and technical direction. Role Responsibilities: Lead the design, development, testing, and deployment of high-performance, scalable, and secure backend applications using PHP. Architect and optimize SQL databases (e.g., MySQL, Aurora) for performance … professional experience in backend development, with a strong focus on PHP. Extensive experience with modern PHP frameworks, especially Symfony. Deep expertise in SQL database design, optimization, and administration (e.g., complex queries, indexing, stored procedures, replication). Proven experience leading and mentoring a team of developers. Strong understanding of object … oriented programming (OOP) principles and design patterns. Experience with RESTful API design and development. Familiarity with version control systems, especially Git. Solid understanding of software development lifecycle (SDLC) and agile methodologies. Excellent problem-solving skills and the ability to troubleshoot complex technical issues. Strong communication and interpersonal More ❯

This is an excellent opportunity for a seasoned professional to make a significant impact on our product and technical direction. Role Responsibilities: Lead the design, development, testing, and deployment of high-performance, scalable, and secure backend applications using PHP. Architect and optimize SQL databases (e.g., MySQL, Aurora) for performance … professional experience in backend development, with a strong focus on PHP. Extensive experience with modern PHP frameworks, especially Symfony. Deep expertise in SQL database design, optimization, and administration (e.g., complex queries, indexing, stored procedures, replication). Proven experience leading and mentoring a team of developers. Strong understanding of object … oriented programming (OOP) principles and design patterns. Experience with RESTful API design and development. Familiarity with version control systems, especially Git. Solid understanding of software development lifecycle (SDLC) and agile methodologies. Excellent problem-solving skills and the ability to troubleshoot complex technical issues. Strong communication and interpersonal More ❯

and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers … development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong … or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid More ❯

and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers … development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong … or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid More ❯

Job Description Job Description As a Software Engineer, you play an important role in the design and development of our modern private cloud MySQL offerings. You will bring your experience to a talented team to evolve our technical capabilities, improve our SDLC, and unlock new features for our clients. … work with Product Owners to shape product direction, balancing technical feasibility and user needs. Implement solutions focusing on both functional and non-functional requirements. Design reusable code, leverage architecture capabilities, and develop solutions that are reliable, scalable, and meet service levels. Conduct code reviews to ensure quality. Employ Agile … and authentication protocols (e.g., OIDC, OAuth). Solid understanding of algorithms and data structures. Proficiency in Unix Shell scripting and SQL. Expertise in software design using hexagonal architecture and Domain Driven Design. Experience in REST API design and development. Familiarity with build automation, TDD, CI/CD. More ❯

Integration Engineer SQL Server/Web & API Development ?? Location: UK Remote ?? Contract Length: Initial 6 months + extensions ?? SDS: Inside IR35 ?? Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This … role ideal for someone who thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms Develop and optimise SQL queries, stored procedures, and transformation logic Build … of integration workflows What Youll Bring: Proven experience as an Integration Engineer, Software Developer, or Backend Engineer Strong SQL Server skills (procedures, views, table design, indexing, optimisation) Solid background in .NET Framework/.NET Core for API and backend development Understanding of JavaScript and modern web service architectures More ❯

innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations This is a Hybrid role working from either our Dundee or Glasgow offices 2 days a week. We are seeking … based solutions for our diverse client base, with the potential to contribute to and lead AI-driven initiatives. Key Duties and Responsibilities Lead the design and development of complex, scalable Java-based applications (e.g., microservices, APIs), setting technical direction and ensuring code quality Solve intricate back-end architectural and … MVC, Spring Security, Spring Data JPA).Solid understanding of relational databases (e.g., PostgreSQL, MySQL, Oracle) and ORM frameworks (e.g., Hibernate, JPA) Experience with RESTful API design and development Proficiency with version control systems, particularly Git Experience with build tools like Maven or Gradle. Familiarity with cloud platforms (e.g. More ❯

Group . The ideal candidate will be responsible for designing, developing, and supporting cutting-edge digital solutions aligned with modern development practices. Key Responsibilities: Design, develop, and maintain Java-based applications using Spring Boot and related technologies Collaborate with architects, product owners, and other developers to translate business requirements … Experience: Strong core Java (Java 8 or above) development skills Proven experience with Spring Boot , Spring MVC, Spring Data JPA, and Spring Security RESTful API design and integration Experience with Microservices architecture Familiarity with Docker , Kubernetes , and CI/CD pipelines Hands-on experience with databases such as More ❯

be a self-starter who thrives in dynamic environments and enjoys building scalable, performant, and intelligent web applications from front to back. Key Responsibilities: Design, develop, test, and deploy high-quality web applications using .NET Core , C# , and Angular . Build and maintain scalable microservices using RESTful APIs and … years of professional full-stack development experience. Strong proficiency in .NET Core , C# , and modern Angular (v10+). Solid understanding of Microservices architecture , RESTful API design, and inter-service communication. Experience with Python for backend tasks, scripting, or AI/ML integration. Familiarity with AI/ML workflows More ❯