API Design Job Vacancies

151 to 175 of 176 API Design Jobs

Systems Architect (Expert-Level) 112-145 with Security Clearance

Chantilly, Virginia, United States
IC-CAP
Expert Level Systems Architect: This is a high priority positon to fill! Expert-level Systems Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. Duties may include : Assists … Government in directing the design, development, maintenance, and documentation of solution architectures ensuring traceability to the Enterprise architecture and Enterprise requirements. Guides the analysis of user requirements, procedures, and problems to automate or improve existing systems and review computer system capabilities, workflow, and scheduling limitations. Guides development of proposed changes to the solutions architecture design based on analysis More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

SYSTEM ARCHITECT with Security Clearance

Burke, Virginia, United States
CEdge Software Consultants
that will inevitably take your career to unbelievable levels This position requires a TS/SCI Security Clearance Overall Assignment Description: Expert-level Systems Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic … goals and the Enterprise Architecture. Duties may include: Assists Government in directing the design, development, maintenance, and documentation of solution architectures ensuring traceability to the Enterprise architecture and Enterprise requirements. Guides the analysis of user requirements, procedures, and problems to automate or improve existing systems and review computer system capabilities, workflow, and scheduling limitations. Guides development of proposed changes … to the solutions architecture design based on analysis of requirements and new technology. Oversees and coordinates the work of Senior-, Mid-, and Junior-level Systems Architect contractors. Refer to Section 3.1 for a listing of expected work activities the Systems Architect position would be required to support. Skills and Experience: Required: Bachelor's degree or higher in Computer Science More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Systems Architect (Expert) t11 with Security Clearance

Chantilly, Virginia, United States
Compatible Technology Solutions, Inc
TS/SCI Position Expert-level Systems Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. Location: Chantilly, VA/Patriot Ridge (Springfield, VA) Duties: Assists Government in … directing the design, development, maintenance, and documentation of solution architectures ensuring traceability to the Enterprise architecture and Enterprise requirements. Guides the analysis of user requirements, procedures, and problems to automate or improve existing systems and review computer system capabilities, workflow, and scheduling limitation. Guides development of proposed changes to the solutions architecture design based on analysis of requirements More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

AWS Technical Lead - Outside IR35

London, United Kingdom
Hybrid / WFH Options
Onyx-Conseil
Overview AWS Technical Lead. A Technical lead with experience leading an API-driven digital platform hosted on AWS is needed. Your role will involve driving the implementation of scalable, secure, and high-performance solutions integrated with Salesforce. Responsibilities Lead the implementation of scalable, secure, and high-performance solutions on AWS that are integrated with Salesforce. Qualifications Cloud & Programming: Strong … Jenkins (CI), Karate/Gherkin (testing/BDD), and Cypress (UI testing). Ability to implement DevSecOps practices and manage CI/CD pipelines. Systems & Integration: Solid understanding of API design principles and integration techniques for connecting cloud services with enterprise systems. Certifications: AWS certified (e.g. AWS Certified Developer - Associate or higher). Candidates need to be based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Developer

Northampton, England, United Kingdom
Hybrid / WFH Options
Roc Search
PHP and Laravel. Strong knowledge of Azure Frontend: HTML, CSS JavaScript, jQuery, and GSAP. Backend: Expertise in PHP, Laravel, and MySQL/MariaDB. APIs: Experience with REST and SOAP API design and integration. Version Control: Strong GIT proficiency. Server Management SEO: Deep knowledge of on-page SEO principles. Proven success in fast-paced settings managing multiple projects in More ❯
Posted:

Lead Developer

kettering, midlands, united kingdom
Hybrid / WFH Options
Roc Search
PHP and Laravel. Strong knowledge of Azure Frontend: HTML, CSS JavaScript, jQuery, and GSAP. Backend: Expertise in PHP, Laravel, and MySQL/MariaDB. APIs: Experience with REST and SOAP API design and integration. Version Control: Strong GIT proficiency. Server Management SEO: Deep knowledge of on-page SEO principles. Proven success in fast-paced settings managing multiple projects in More ❯
Posted:

Lead Developer

milton keynes, south east england, united kingdom
Hybrid / WFH Options
Roc Search
PHP and Laravel. Strong knowledge of Azure Frontend: HTML, CSS JavaScript, jQuery, and GSAP. Backend: Expertise in PHP, Laravel, and MySQL/MariaDB. APIs: Experience with REST and SOAP API design and integration. Version Control: Strong GIT proficiency. Server Management SEO: Deep knowledge of on-page SEO principles. Proven success in fast-paced settings managing multiple projects in More ❯
Posted:

Product Manager - News Automation CCW

New York, United States
Bloomberg
measurable business value. - Strengthen cross-functional partnerships with product and engineering teams to ensure the platform is extensible, and well-integrated across Bloomberg's ecosystem, while driving adoption, resolving design trade-offs, and aligning with broader strategic goals. - Integrate AI capabilities into the platform to enable intelligent content creation workflows, ensuring AI tools are accessible, reliable, and seamlessly embedded … infrastructure and user-facing platform tools, balancing long-term maintainability with near-term value delivery. - Champion platform-first thinking across the broader product organization and mentor others in reusable design and thinking. You'll need to have: - 5+ years of product management experience, with significant time focused on platform, infrastructure, or developer experience products. - Strong track record of delivering … with actively tracking metrics, and experimentation to guide platform evolution. We'd love to see: - Experience working with content pipelines, automation, NLP/AI, or editorial tools. Familiarity with API design principles, event-driven architectures, or modular content systems. - Passion for improving developer experience and accelerating team productivity via shared services. - Understanding of how internal platforms contribute to More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

CTO

Petersfield, Hampshire, United Kingdom
Hybrid / WFH Options
Leo Technology
or scale-up ( ideally from Seed to Series A) Hands-on expertise with OpenAI integrations or other LLM-based solutions Technical experience with Node.js, Python, and SQL Experience with API design and development for both internal and external use cases Experience designing and scaling data pipelines and working with large datasets Track record of building and managing teams More ❯
Employment Type: Permanent
Salary: £100000 - £120000/annum Equity options
Posted:

Cloud DevOps Engineer - AWS

Redhill, Surrey, United Kingdom
Hybrid / WFH Options
Travelers Canada
the office and two days at home (or pro-rata for part-time employees). This policy may be changed at the Company's discretion. What Will You Do? Design, implement, and manage cloud-based infrastructure solutions using AWS native services. Develop and maintain CI/CD pipelines to automate build, test, and deployment processes. Monitor system performance and … Architect) is a plus. Bachelor's degree preferred in Technology or a similar field (or equivalent experience). Strong understanding of software development principles, including object-oriented programming and design patterns. Proficiency in Python for developing automation scripts, tools, and applications. Experience with version control systems, particularly Git, and understanding of branching strategies. Familiarity with software testing methodologies and … frameworks, such as unit testing and integration testing. Ability to write clean, maintainable, and efficient code. Experience with code review processes and tools. Understanding of microservices architecture and RESTful API design. Knowledge of security best practices in software development and deployment. Experience with monitoring and logging tools to ensure application performance and reliability. Familiarity with Agile methodologies and experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Enterprise Architecture & Digital Transformation (Insurance)

London, United Kingdom
DHL Germany
Transformation (Insurance) , you will be globally responsible for driving the development and implementation of DHL's Insurance & Risk Management (IRM) enterprise architecture and digital solutions. You will lead the design, optimization and digitization of insurance IT systems, ensuring alignment with IRM's strategic goals, while building strong partnerships across IT, Procurement, and business stakeholders. Your role will ensure the … Your Profile University degree in Business Administration, Insurance, Economics, IT or related field; a Master's degree (MBA or IT-related) is advantageous. Proven experience in Insurance Enterprise Architecture design and IT project management at a senior level, ideally in the insurance industry. Strong leadership experience with responsibility for teams, budgets, and global projects. Deep understanding of insurance business … processes, program structures, and digitalization opportunities. Expertise in IT systems, application project management, process architecture, platform and API design, and vendor management. Familiarity with current trends in IT, including cloud, AI, security, collaborative technologies, CRM and ERP systems. Strong stakeholder management and influencing skills across internal and external partners. Excellent analytical skills, strategic mindset, and solution-oriented approach. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering - SaaS, ecommerce, retail, Infrastructure, .net

London, United Kingdom
TSP Group
emerging technologies to drive business growth and competitor advantage Strong engineering background with proven leadership experience in onshore and offshore operations Strong knowledge of Platform Infrastructure strategies, container structures, API designs, and integration layers Experience of managing technical teams of .NET developers, QA, Automation, Infrastructure, Product, Platform etc Good knowledge of Scrum. Kanban methodologies. Experience in managing departmental budgeting More ❯
Employment Type: Permanent
Salary: GBP 80,000 Annual
Posted:

Full Stack Developer [CONTRACT - outsisde IR35

Cambridge, Cambridgeshire, United Kingdom
SoCode Limited
Responsible for the creation and development of software, including but not limited to: All aspects of the full software development life cycle, including requirements analysis, design, development, testing, documentation and training. Deliver robust, clean, high quality full stack applications. Creation of functional designs and specifications. Rigorous approach to testing, including writing unit and integration tests. Support the creation of … required quality standards. Experience and Qualifications Required Experience in full stack development. Experience in frontend development with React and Next.js. Experience in backend development with Node.js. Experience in database design with PostgreSQL. Strong architectural skills and understanding of RESTful API design. Good analytical and problem-solving ability. Attention to detail and a passion for producing high quality software More ❯
Employment Type: Contract
Rate: £300 - £400/day
Posted:

Golang Developer

London, United Kingdom
Hybrid / WFH Options
Circle Group
is fully remote. Qualifications & Skills required: 3+ years of experience in software development, with a strong focus on Go ( Golang ). Solid understanding of backend architecture, distributed systems and API design. Solid understanding of DevOps, CI/CD, infrastructure as code and cloud platforms. Excellent communication skills and a true team player Experience working with SaaS platforms or automation … a plus. Comfortable working in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and implement APIs, data models and More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Golang Developer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
is fully remote. Qualifications & Skills required: 3+ years of experience in software development, with a strong focus on Go ( Golang ). Solid understanding of backend architecture, distributed systems and API design. Solid understanding of DevOps, CI/CD, infrastructure as code and cloud platforms. Excellent communication skills and a true team player Experience working with SaaS platforms or automation … a plus. Comfortable working in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and implement APIs, data models and More ❯
Employment Type: Full-Time
Salary: £50,000 - £85,000 per annum, Inc benefits
Posted:

Golang Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
is fully remote. Qualifications & Skills required: 3+ years of experience in software development, with a strong focus on Go ( Golang ). Solid understanding of backend architecture, distributed systems and API design. Solid understanding of DevOps, CI/CD, infrastructure as code and cloud platforms. Excellent communication skills and a true team player Experience working with SaaS platforms or automation … a plus. Comfortable working in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and implement APIs, data models and More ❯
Employment Type: Full-Time
Salary: £50,000 - £85,000 per annum, Inc benefits
Posted:

Senior Full Stack Developer (Java/React)

Ireland
Reperio Human Capital
React, Hibernate, SQL, BPM processes Reperio has partnered with a leading consultancy and IT services provider who are seeking a skilled Full Stack Developer. In this role, you will design, develop, and deliver high-quality digital solutions across backend and frontend systems, collaborating closely with cross-functional teams and stakeholders. Responsibilities: Collaborate with clients and internal teams to understand … and deliver business requirements. Contribute to the design, development, and implementation of scalable applications. Ensure solutions follow best practices and meet performance and quality standards. Support project planning, testing, deployment, and knowledge sharing. Requirements: Strong backend expertise with Java, Spring Boot, Microservices, Hibernate, and SQL. Proven experience with BPM processes and workflow integration. Knowledge of cloud platforms (AWS/… Azure/GCP), CI/CD pipelines, DevOps practices, and API design. Applicants must be eligible to work full-time in Ireland without restriction. Excited about this opportunity? Apply now through the link provided or reach out to Ben at Reperio for more details! Reperio Human Capital acts as an Employment Agency and an Employment Business. Ben Doherty is More ❯
Employment Type: Permanent
Salary: EUR 125,000 - 150,000 Annual
Posted:

Java Developer in Chicago, IL (Locals only)

Waukegan, Illinois, United States
Hybrid / WFH Options
HYR Global Source Inc
role focuses on developing high-performance, reactive APIs, ensuring strong unit test coverage, and collaborating with cross-functional teams to drive the development of enterprise software solutions. Key Responsibilities: Design and develop RESTful APIs and microservices using Reactive Spring (WebFlux) and Spring Boot. Integrate Kafka for event-driven communication and processing. Build and maintain scalable, secure, and high-performance … knowledge and real-world experience with Spring Boot and Reactive Spring (WebFlux). Experience with Kafka and/or MongoDB (preferred). Solid understanding of microservices architecture and RESTful API design. Experience writing unit tests using Spring/JUnit/TestNG frameworks. Familiarity with Agile development methodologies and version control tools (e.g., Git). Excellent problem-solving and communication More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Solution Architect

East Hartford, Connecticut, United States
Tri-Com Consulting
Tri-Com Consulting Group A Full Service IT Employment Consulting Firm is seeking qualified candidates for the following opening: Solution Architect We are seeking an experienced Azure engineer to design and implement custom identity solutions using Microsoft Entra and Azure Functions. The ideal candidate will help us extend our identity platform with custom logic, automate identity workflows, and ensure … Functions (C# or JavaScript) in production environments. Deep understanding of Microsoft Entra ID/Azure AD, External ID (B2B/B2C), and identity federation principles. Experience with Microsoft Graph API, RESTful services, and secure API design. Familiarity with claims-based authentication and building custom claims providers. Solid understanding of identity governance concepts including access reviews, entitlement management, and … . Excellent communication and documentation skills. Preferred QualificationsExperience integrating identity solutions with external entities (e.g., government agencies or law enforcement). Knowledge of Azure services like Key Vault, and API Management. Familiarity with CI/CD pipelines and infrastructure as code. Relevant Microsoft Certifications, such as: Microsoft Certified: Identity and Access Administrator Associate Microsoft Certified: Azure Solutions Architect Expert More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Engineer (Frontend)

London, United Kingdom
Mubi
has strong opinions on what actually works (and why). Our frontend app is written in Typescript, built using the Next.js framework, with React and Redux, against a REST API, tested with Jest and Cypress, and published to Storybook. This is a hybrid role based in London, with 3 days a week in our offices. Where you'll have … accessible interfaces that bring our products to life. Help guide the technical direction of frontend development by championing best practices in code quality, testing, and performance. Collaborate with Product, Design, and Backend teams to turn complex ideas into elegant, intuitive solutions. What you'll bring: 6+ years of professional software engineering experience, with at least 3 years focused on … frontend. Strong understanding of core engineering principles - modularity, encapsulation, immutability, composition, OOP, and FP. Expert knowledge of JavaScript (ES6+), HTML5, React, Node, testing libraries, responsive design, and API design. Comfortable with vanilla CSS, and opinionated about approaches like CSSinJS, CSS preprocessors, and CSS modules. Fluency in modern build tools and workflows, such as Webpack, Vite, Babel, npm/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - ETL Pipeline Orchestration Platform London, GBR Posted today

London, United Kingdom
Bloomberg L.P
for both pipeline creation and edit time as well as runtime Better support and capability for creation of DAG in orchestration Programmatic recipe creation, modification and interaction to be API first LLM integration to assist in authoring ETL tasks We'll trust you to: Work with us to design the user-friendly, fault tolerant and scalable orchestration platform … Go, Rust, JavaScript/TypeScript or Java Strong problem solving skills We'd love to see: Knowledge of Database Systems and trade offs in the distributed systems Familiarity with API Designs Familiarity with Orchestration Frameworks such as Apache Airflow, Argo Workflows, Conductor etc. Experience working with and designing systems utilizing AWS Bloomberg is an equal opportunity employer and we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - ETL Pipeline Orchestration Platform

London, United Kingdom
Bloomberg L.P
for both pipeline creation and edit time as well as runtime Better support and capability for creation of DAG in orchestration Programmatic recipe creation, modification and interaction to be API first LLM integration to assist in authoring ETL tasks We'll trust you to: Work with us to design the user-friendly, fault tolerant and scalable orchestration platform … Go, Rust, JavaScript/TypeScript or Java Strong problem solving skills We'd love to see: Knowledge of Database Systems and trade offs in the distributed systems Familiarity with API Designs Familiarity with Orchestration Frameworks such as Apache Airflow, Argo Workflows, Conductor etc. Experience working with and designing systems utilizing AWS Bloomberg is an equal opportunity employer and we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Software Engineer

Cambridge, Cambridgeshire, East Anglia, United Kingdom
Hybrid / WFH Options
Wilson Brown Limited
a full stack role where you will use C#, .NET, TypeScript, and React to build modern web applications while supporting existing desktop products. As a Software Engineer, you will: Design, develop, and maintain software using C#, .NET, TypeScript, and React. Turn user requirements into robust features, collaborating closely with the product owner. Maintain and improve existing desktop applications while … Software Engineer Requirements Strong experience with C#, .NET Experience working with TypeScript & React. Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design. Knowledge of SQL and database design. Familiarity with Git and agile methodologies. Desirable Skills Experience developing desktop applications (WPF, WinForms). Understanding of unit testing frameworks and continuous More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Director of Engineering

Dublin, Ireland
Hybrid / WFH Options
Fenergo
experienced Director of Engineering to lead our Engineering teams and collaborate closely with the Product leadership team. This is a strategic, hands-on leadership role responsible for the architecture, design, and delivery of scalable and high-performance SaaS products. The ideal candidate will be a strong technical leader with experience in building enterprise-level SaaS products, while also having … a strong ability to work cross-functionally with product teams to align engineering efforts with business and product objectives. Key Responsibilities Lead Architecture & Design: Drive the architecture and design of scalable, secure, and performant SaaS solutions, ensuring that all engineering decisions align with Fenergo's long-term technical vision. Collaboration with Product Leadership: Work closely with the product … leadership team to align the engineering roadmap with product strategy. Provide technical guidance to the product team on feasibility, design trade-offs, and best practices to ensure product delivery meets customer needs and business goals. Strategic Leadership: Develop and execute the technical roadmap for engineering, ensuring alignment with product goals, scalability requirements, and client expectations. Lead the engineering team More ❯
Employment Type: Permanent
Salary: EUR 125,000 - 150,000 Annual
Posted:

Software Engineer, Java (Mid/Senior)

United Kingdom
Rockstar Games
console integration, distributed video recording systems, reporting and analytics applications. RESPONSIBILITIES Develop a strong understanding of the systems we use and learn new technologies to help advance our applications. Design and implement solutions to help us meet the challenges offast-moving game development. Contribute towards the team's software design best practices. Collaborate with other Rockstar technology teams … low-level optimizations and high-level architecture. Strong experience in the Spring Boot ecosystem. In-depth knowledge of JPA, particularly with Hibernate. Good understanding of RESTful web services and API design. Expertise in MySQL or any other RDBMS. Expertise in Apache Kafka and change data capture pipelines. Proficient in Java performance profiling. Experience with search solutions like Hibernate Search More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
API Design
10th Percentile
£50,000
25th Percentile
£62,500
Median
£80,000
75th Percentile
£91,250
90th Percentile
£125,000