Remote API Design Job Vacancies

26 to 50 of 436 Remote API Design Jobs

Junior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Haystack
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript … Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering, or More ❯
Posted:

Lead/Principle Python Engineer for Generative AI Backend Development

London, England, United Kingdom
Hybrid / WFH Options
Trimble
for a Generative AI Lead/Principal Python Engineers to help build LLM-based agentic applications. As a Lead/Principle Software Engineer specializing in Generative AI, you will design, develop, and maintain cutting-edge LLM-based agentic applications. This role requires hands-on expertise in frameworks such as LangChain or LangGraph (or comparable frameworks), and techniques including prompt … that this is a fast evolving field, it’s important to keep track of the latest advancements in fine-tuning, RLHF, and prompt engineering advancements such as DSPy. System Design & Architecture: Translate high-level product requirements into scalable, modular software designs that adhere to modern design principles, microservices architecture, and cloud-native best practices. Testing & Integration: Develop comprehensive … conduct rigorous quality assurance. Collaboration & Mentorship: Collaborate with cross-functional stakeholders, including business analysts, product managers, and global development teams. Mentor junior engineers, guiding them through LLM-based solution design, implementation, and deployment. Agile Delivery: Work in an agile environment, planning and executing sprints, meeting strict deadlines, and efficiently handling production issues across multiple time zones. CI/CD More ❯
Posted:

Senior .NET Backend Developer

Cardiff, South Glamorgan, United Kingdom
Hybrid / WFH Options
Navtech, Inc
implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop … testing, covering both functional and non-functional aspects Hands-on experience with Python in testing area Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and good understanding of Entity Framework Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker … field Proficiency in English spoken and written Nice-to-Haves: Hybrid work environment with up to 2 days working from home weekly Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior .NET Backend Developer

Gloucester, Gloucestershire, United Kingdom
Hybrid / WFH Options
Navtech, Inc
implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop … testing, covering both functional and non-functional aspects Hands-on experience with Python in testing area Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and good understanding of Entity Framework Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker … field Proficiency in English spoken and written Nice-to-Haves: Hybrid work environment with up to 2 days working from home weekly Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

Glasgow, Scotland, United Kingdom
Hybrid / WFH Options
WARACLE
We help our clients to 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 London, Dundee or Glasgow offices 2 days a week. We are seeking a highly skilled and … scalable, and high-performance Java-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 performance challenges, identifying and implementing … Spring Boot, Spring 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., AWS, Azure, GCP) is a More ❯
Posted:

Full Stack Developer

Birmingham, England, United Kingdom
Hybrid / WFH Options
Version 1
Experience of working in a Scrum Team and an Agile environment. Strong front-end development experience with expertise in React, Next.js, and TypeScript. Solid knowledge of backend development and API design, with hands-on experience in Node.js to build scalable and high-performance applications. Understanding of CI/CD pipelines, infrastructure as code, and DevOps best practices. Experience More ❯
Posted:

JAVA/JEE Developer (Senior) with Security Clearance

Ashburn, Virginia, United States
Hybrid / WFH Options
A1C Partners
Position Summary We are currently seeking a motivated, career and customer-oriented Java Developer to join our team to begin an exciting and challenging career. Job Responsibilities • Design and implement Micro Service Architecture JEE software applications • Use modern software engineering tools including Eclipse, Visual Studio Code, and Atlassian Suites for design, development, and testing the software • Present the … solution at formal and informal design reviews and document the design according to the Government's system lifecycle methodology. • Must be well experienced in design and development of Microservice using Java, Spring-Boot, Rest API, JPA and JQL Required Skills and Experience • Bachelor's degree in computer science or related engineering field with 10+ years of … technical experience • Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers) • Strong experience with Spring Boot and microservices architecture. • Strong understanding of RESTful services, API design and implementation. • Good knowledge in technical concepts-Security, Transaction, Monitoring, Performance. • Strong experience in DevOps/CM tools like Git, Jenkins, Artifactory, Maven/Gradle, SonarQube. • JMS • XML, JSON More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Java Software Engineer

United Kingdom
Hybrid / WFH Options
Oliver Bernard
remotely with a high-performing team of engineers, data scientists, and product specialists to build scalable backend systems that support our AI products. You’ll focus on microservice architecture, API development, and integrating machine learning outputs into robust backend services. Tech You'll Work With: Java 17+ Spring Boot, Spring Cloud RESTful APIs & Microservices Docker, Kubernetes AWS or GCP … GitHub Actions, Jenkins (CI/CD) Responsibilities: Design, develop, and maintain high-performance backend applications Build and evolve RESTful APIs and service-to-service integrations Collaborate with AI/ML teams to productionise models Contribute to architectural decisions and performance optimisations Write clean, maintainable, and testable code Participate in code reviews and agile ceremonies What We're Looking For … 3+ years of Java development experience (Spring Boot a must) Solid understanding of microservices and API design Comfortable working in cloud-based environments (AWS/GCP) Experience with containerisation (Docker, Kubernetes) Self-motivated with excellent communication skills Based in the UK or eligible to work in the UK (remote within UK hours) Please apply for immediate consideration, this More ❯
Posted:

Senior Java Developer

Yorkshire, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Kotlin Developer

London, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Staff Engineer

London, England, United Kingdom
Hybrid / WFH Options
So Energy
developer tools can 10x our engineering output and help us stay ahead of industry trends, all while supporting our sustainability mission. What you’ll be getting up to: Architect, design and evolve scalable, performant, low-maintenance backend systems that power the Nova platform. Optimise for resilience, observability, security, and cost efficiency across all layers of the system. Be an … and productivity enhancers. Drive best practices across software development, CI/CD, infrastructure-as-code, and DevOps, balancing tactical fixes with strategic improvements. Actively contribute to architecture reviews, RFCs, design sessions, and engineering standards. Collaboration, Mentorship & Culture Partner closely with Product, Design, Data, and Operations teams to shape technical solutions aligned with business outcomes. Serve as a mentor … Full Stack Practitioner & Infrastructure Fluent While backend will be your deep specialty, you’ll have the skills to engage meaningfully across the stack: Frontend conversations: Vue.js, modern component-driven design, API design for seamless integration. Infrastructure: GCP stack, Terraform, Kubernetes, Docker, CI/CD pipelines (GitHub Actions, SonarCloud), observability (Datadog, Grafana). Data: BigQuery, SQL/NoSQL More ❯
Posted:

Senior Java Developer

Birmingham, West Midlands, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Endur Technical Architect

City of London, London, United Kingdom
Hybrid / WFH Options
GlobalLogic UK&I
forward digital transformation in the industry. In this role, you will work closely with subject matter experts, product owners, technical leads, designers, and fellow architects to re-architect and design innovative solutions aligned with both business and technology strategies. A deep understanding of energy trading and risk management processes across front, middle, and back-office functions—particularly within physical … trading—is essential. Your Responsibilities: Design and document the architecture of bespoke, modern energy trading systems. Lead functional and technical requirement gathering, analysis, and architectural design. Serve as a thought leader and advisor throughout delivery and design reviews. Communicate effectively across stakeholders, business functions, vendors, and consulting teams. Manage business change and stakeholder expectations with clarity and confidence. … reporting, MongoDB, data migration, reconciliation. Technical Architecture – Hands-on with C#/Java, microservices, containerization (Docker, OpenShift, Kubernetes), React, AWS, Terraform. Integration – Expertise in real-time messaging (e.g., AMQ), API design (JSON, Swagger), and batch processes. Infrastructure & Operations – DevOps practices, CI/CD pipelines, Git, Ansible, cloud elasticity, cost optimization, and grid computing. Delivery Approach: Deep familiarity with More ❯
Posted:

Endur Technical Architect

London Area, United Kingdom
Hybrid / WFH Options
GlobalLogic UK&I
forward digital transformation in the industry. In this role, you will work closely with subject matter experts, product owners, technical leads, designers, and fellow architects to re-architect and design innovative solutions aligned with both business and technology strategies. A deep understanding of energy trading and risk management processes across front, middle, and back-office functions—particularly within physical … trading—is essential. Your Responsibilities: Design and document the architecture of bespoke, modern energy trading systems. Lead functional and technical requirement gathering, analysis, and architectural design. Serve as a thought leader and advisor throughout delivery and design reviews. Communicate effectively across stakeholders, business functions, vendors, and consulting teams. Manage business change and stakeholder expectations with clarity and confidence. … reporting, MongoDB, data migration, reconciliation. Technical Architecture – Hands-on with C#/Java, microservices, containerization (Docker, OpenShift, Kubernetes), React, AWS, Terraform. Integration – Expertise in real-time messaging (e.g., AMQ), API design (JSON, Swagger), and batch processes. Infrastructure & Operations – DevOps practices, CI/CD pipelines, Git, Ansible, cloud elasticity, cost optimization, and grid computing. Delivery Approach: Deep familiarity with More ❯
Posted:

Senior Java Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Backend Developer

Dundee, Angus, United Kingdom
Hybrid / WFH Options
WARACLE
We help our clients to 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 any of our UK offices (Glasgow, Dundee, Edinburgh and London) 2 days a week. Are you an exceptional … and driving innovation in a dynamic consultancy environment, this is your opportunity to make a massive impact. What you'll do: Lead Backend Architecture: Provide technical leadership, shaping the design and build of advanced, scalable .NET/C# applications (microservices, APIs) with a focus on top-tier code quality and clean architecture. Solve Complex Challenges: Tackle intricate backend architectural … ll bring: Extensive Backend Expertise: Proven track record delivering robust backend systems and APIs, with expert-level proficiency in .NET and C# (.NET Core/5+), ASP.NET Core, RESTful API design, and microservices architecture. Database & Cloud Mastery: Solid understanding of relational databases (SQL Server, PostgreSQL, MySQL) and ORM frameworks (Entity Framework Core), plus experience with cloud platforms (AWS More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-end Developer

London, England, United Kingdom
Hybrid / WFH Options
Back-Factory
Node.js. Experience with frameworks such as Django, Spring Boot, or Express.js. Familiarity with database systems, including relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB). Understanding of API design and development, including RESTful principles. Knowledge of version control systems (e.g., Git). Familiarity with cloud platforms such as AWS, Azure, or Google Cloud. Familiarity with containerization … Remote Work: Work from anywhere with flexible hours. Competitive Salary: Adjusted based on your region. Performance Bonuses: Rewarding excellence. Global Projects: Work with leading brands. FUTURESIGHT is a digital design studio, digital marketing agency, and co-founder of a fast-growing international digital group that associates with hundreds of experts worldwide. Our passion for great user experiences and viable More ❯
Posted:

Junior-Intermediate .NET Backend Developer

Gloucester, Gloucestershire, United Kingdom
Hybrid / WFH Options
Navtech, Inc
team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and … and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands … on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior-Intermediate .NET Backend Developer

Cardiff, South Glamorgan, United Kingdom
Hybrid / WFH Options
Navtech, Inc
team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and … and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands … on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Engineer (Remote)

United Kingdom
Hybrid / WFH Options
The Investigo Group
Collaboraite is a bleeding-edge company that provides our Data and AI capability. A collaborative partner for designing user-centred secure data solutions to overcome operational hurdles, delivered through design thinking and agile coaching. Diversity, Equity, and Inclusion (DEI) are at the heart of The Investigo Group (TIG). We're dedicated to creating a workplace where people from … ve likely worked in fast-paced environments and know how to strike the balance between delivery speed and long-term maintainability. You're someone who: Thinks deeply about software design and architecture. Can clearly articulate your thinking to both engineers and non-engineers. Enjoys mentoring, supporting teammates, and fostering a strong engineering culture. Has a curiosity for emerging technologies … building the next generation of secure, high-performance, and scalable data analytics platforms. This is a hands-on engineering role with real scope for technical leadership. You'll help design, build, and deliver features and services that power AI-enabled products used by some of the most respected organisations in the UK. Working alongside software engineers, ML specialists and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer

Carnforth, England, United Kingdom
Hybrid / WFH Options
KnoWho
considered for this role you'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 More ❯
Posted:

Senior Software Developer

Leeds, West Yorkshire, England, United Kingdom
Hybrid / WFH Options
Xpertise Recruitment Ltd
environment: .NET 8, C#, Angular, TypeScript, HTML/CSS Azure (cloud-native apps, pipelines, ARM, Functions, DevOps CI/CD) SQL, Entity Framework, RESTful APIs Agile, DevOps, secure-by-design practices What you'll bring: A strong background in .NET engineering, ideally with 5+ years in commercial delivery Experience working across front and back end with Angular, C# and … Azure Proven Senior developer: mentoring and setting coding standards Solid grasp of API design, cloud architecture, and CI/CD pipeline tooling Ability to steer best practice, lead from the front, and improve quality across the stack If intereted please apply now or contact job poster for more information More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Backend Software Engineer

Bracknell, Berkshire, South East, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£60,625
Median
£75,000
75th Percentile
£93,778
90th Percentile
£118,000