1 to 25 of 1,079 API Design Jobs

to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless, responsive … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … or ASP.NET Core) and related frameworks. Hands-on experience with modern frontend frameworks (e.g., Angular, React, or Vue.js) and proficiency in HTML, CSS, and JavaScript. Solid understanding of RESTful API design and implementation. Experience with SQL Server, and familiarity with NoSQL databases. Software Development Lifecycle: Knowledge of Agile methodologies and commitment to collaborative problem solving, efficient coding practices More ❯

and contribute to a collaborative and innovative team. We're looking for someone who is eager to push the boundaries and is committed to delivering exceptional user experiences. Responsibilities: Design, develop, and maintain full-stack applications using modern web technologies. Implement responsive and user-friendly front-end interfaces using JavaScript frameworks such as React, Angular, or Vue.js. Build and … React, Angular, or Vue.js. Strong experience with back-end technologies, including Node.js, Python, Java, or .NET. Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB). Understanding of RESTful API design, GraphQL, and microservices architecture. Experience working with cloud platforms (AWS, Azure, or GCP). Strong knowledge of Git, version control workflows, and Agile methodologies. Passion for writing More ❯

You'll Do: Build & Optimize Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work closely with product teams to More ❯

in, you will be required to obtain UK security clearance in this role. You will be involved in some of the following: Planning, conducting, and coordinating software development activities Design and development of tests to debug software Correction of program errors Preparation of operating instructions Documentation of program development Analysis of system capabilities Your skillset may include some of … team members, delivery management, and technical leads Support stakeholder engagement by eliciting requirements, refining user stories, and ensuring alignment with project goals Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges Explore and recommend innovative solutions that inform future product and architectural strategy Agility & Team Culture Embrace and advocate for Agile or similar modern development … fix term contract basis to be part of a talented team building enterprise level applications and platforms for clients in a variety of sectors. What will you be doing? Design and develop robust software solutions using a versatile tech stack, including .NET, C#, and Microsoft Azure. Collaborate with other departments , providing support, guidance, and expert consultancy to drive technical More ❯

to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless, responsive … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … platforms – specifically AWS and Azure – including deployment, monitoring, and management of cloud-based applications. Strong proficiency in C#, ASP.NET (or ASP.NET Core) and related frameworks. Solid understanding of RESTful API design and implementation. Experience with SQL Server, and familiarity with NoSQL databases. Software Development Lifecycle: Knowledge of Agile methodologies and commitment to collaborative problem solving, efficient coding practices More ❯

to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless, responsive … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … platforms – specifically AWS and Azure – including deployment, monitoring, and management of cloud-based applications. Strong proficiency in C#, ASP.NET (or ASP.NET Core) and related frameworks. Solid understanding of RESTful API design and implementation. Experience with SQL Server, and familiarity with NoSQL databases. Software Development Lifecycle: Knowledge of Agile methodologies and commitment to collaborative problem solving, efficient coding practices More ❯

the growth of junior developers. 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 … integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional More ❯

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 offices 2 days a week. As a Senior Fullstack Developer at Waracle, you will become … ready to blend deep technical expertise with strategic leadership in a fast-paced, consultancy environment, we invite you to apply. What You'll Do: Provide Technical Leadership: Guide the design and build of advanced, scalable .NET/C# backend services and sophisticated React frontend applications. You'll set technical direction, contribute to overall architecture, and ensure the highest standards … as a Fullstack Developer with a strong portfolio of successfully delivered web applications.Backend Mastery: Expert-level proficiency in .NET and C# (including .NET Core/5+), ASP.NET Core, RESTful API design, and a solid understanding of microservices architecture. Frontend Proficiency: Expert-level proficiency in React, including core libraries, state management, and modern frontend practices. Database Acumen: Solid understanding More ❯

Type: full-time Job Title: Java Full stack Software Engineer Job Description: Opportunity for talented Full Stack Software Engineer to join collaborative engineering team. This role will focus on design, architecture, and implementation of software components as well as the overall solution, utilizing concepts, and best engineering practices of microservices architecture. As Full Stack Software Engineer you play an … in delivering new products and improvements to provide our customers and partners future proof, flexible and scalable solutions, while maintaining high quality standards. You will be responsible for analysis, design, automation, engineering, research and development, implementation, following and implementing design patterns and principles, utilizing concepts of clean architecture and clean code. Primary Responsibilities: Develop and maintain server-side … and client-side applications using React, TypeScript, Java, Spring Boot, ensuring code quality, efficiency, and adherence to best practices. Design and implement scalable and efficient data structures and algorithms to optimize application performance. Ensure seamless integration of front-end and back-end components to deliver fully functional systems. Collaborate with UI/UX designers to create user-friendly interfaces More ❯

join a Business Banking Technology team within a leading Tier 1 financial institution. You'll play a key role in enhancing and scaling their digital banking platform. Key Responsibilities Design, build, and maintain robust, scalable applications using Java, Spring Boot, and Angular or React. Collaborate with cross-functional teams to deliver seamless end-to-end features, from user interfaces … Messaging: PostgreSQL, Oracle, MongoDB (optional) Kafka, Redis (for messaging and caching) Requirements Extensive experience in full-stack development with strong expertise in Java and Angular. Solid understanding of REST API design, microservices architecture, and cloud-native development. Hands-on experience with CI/CD pipelines, containerization, and infrastructure as code. Strong grasp of Agile methodologies and collaborative team More ❯

Opportunity for talented Full Stack Software Engineer to join a collaborative engineering team. This role will focus on the design, architecture, and implementation of software components as well as the overall solution, utilizing concepts and best engineering practices of microservices architecture. As a Full Stack Software Engineer, you play an essential role in delivering new products and improvements to … provide our customers and partners future-proof, flexible, and scalable solutions while maintaining high-quality standards. You will be responsible for analysis, design, automation, engineering, research and development, implementation, following and implementing design patterns and principles, utilizing concepts of clean architecture and clean code. Primary Responsibilities: Develop and maintain server-side and client-side applications using React, TypeScript … Java, Spring Boot, ensuring code quality, efficiency, and adherence to best practices. Design and implement scalable and efficient data structures and algorithms to optimize application performance. Ensure seamless integration of front-end and back-end components to deliver fully functional systems. Collaborate with UI/UX designers to create user-friendly interfaces and ensure a seamless user experience. Design More ❯

makes you unique is welcome; join us and be your best self! We are seeking a Senior Software Engineer to join our team in York! Your Impact: Software Development: Design, implement, and maintain scalable, maintainable, and efficient Python-based applications, focusing on backend and full-stack development. Collaboration & Communication: Work closely with product managers, designers, and other engineers to … familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI). Testing and Debugging: Experience with testing tools like pytest , unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. More ❯

enterprise-grade applications for NatWest 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 into technical solutions Write clean … scalability, and security Required Skills & 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 PostgreSQL , Oracle , or MongoDB Knowledge More ❯

the growth of junior developers. 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 … integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional More ❯

own the strategic architectural direction 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, fostering a culture of technical … Proven expertise in full-stack 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 understanding and practical application of … experience integrating AI tools, APIs, 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 grasp of security best practices More ❯

own the strategic architectural direction 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, fostering a culture of technical … Proven expertise in full-stack 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 understanding and practical application of … experience integrating AI tools, APIs, 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 grasp of security best practices More ❯

integration. The ideal candidate will 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 containerized services (Docker/Kubernetes). … process. Required Skills & Qualifications 3+ 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, model deployment, and basic data More ❯

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 Dundee or Glasgow offices 2 days a week. We are seeking a highly skilled and motivated … 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 Framework (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 ❯

performance reviews, provide constructive feedback, and support the professional development of the engineers. Facilitate effective communication and collaboration within the team and with other departments. Technical Oversight: Oversee the design, implementation, and maintenance of backend systems and services. Ensure the team adheres to best practices in software development, including code reviews, testing, and continuous integration/deployment. Drive technical … Computer Science, Engineering, or a related field. Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes). Familiarity with microservices architecture and RESTful API design. Strong understanding of database technologies (SQL and NoSQL). Experience with Agile/Scrum methodologies. Soft Skills: Exceptional communication and interpersonal skills. Ability to inspire and motivate a More ❯

for designing, developing, and maintaining robust integration solutions that connect our critical trading systems and data flows. This role demands exceptional expertise in Java backend development, middleware technologies, and API design, combined with the ability to build high-performance, scalable, and resilient integration architectures. A good understanding of the commodity trading business is advantageous, as you'll be … in Java development, including Spring Framework, Spring Boot, and JVM optimisation techniques for high-performance applications. Integration Architecture : Deep understanding of enterprise integration patterns, microservices architecture, and event-driven design principles. Messaging Systems Knowledge : Advanced knowledge of Kafka architecture, configuration, and optimisation, along with experience in other messaging systems like Tibco Enterprise Message Service. API Development : Strong capabilities … on security, performance, and usability. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions (MongoDB, Cassandra), including optimisation of data access patterns. Performance Engineering : Ability to design, implement, and optimise high-throughput, low-latency integration solutions in mission-critical environments. Problem-Solving Skills : Exceptional analytical and troubleshooting abilities, particularly for complex integration issues across distributed systems. More ❯

B2B marketing platform, Cylvy. It's a unique opportunity to help shape the future of marketing by rapidly translating strategic requirements into intelligent, scalable solutions. Key Responsibilities Solution Architecture: Design scalable, modular architectures for AI-driven marketing applications and microservices. Requirements Engineering: Gather, analyse, and translate business and marketing requirements into detailed technical specifications. AI-Assisted Development: Leverage AI … Git, CI/CD methodologies, and cloud services. MarTech Innovation: Research and implement AI solutions specifically targeting marketing use cases (content generation, audience analytics, personalisation). Data Pipeline Architecture: Design robust data flows between marketing systems and AI services. Technical Leadership: Provide strategic direction, mentorship, and best practices for AI implementation across the team. Documentation: Develop comprehensive technical documentation … Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context Protocol, API design, and cloud platforms (GCP, Azure). Skilled in containerisation and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines. Strong foundation in software design More ❯

Key Responsibilities Vibe Coding & AI Tooling: Spend the majority of your time building and iterating using AI-first coding environments (Cursor, VS Code Studio, Copilot, etc.). Solution Architecture: Design scalable, modular architectures for AI-driven marketing applications and microservices. Requirements Engineering: Translate business and marketing needs into detailed technical specifications. AI-Assisted Development: Rapidly prototype and develop applications … using Docker, Git, CI/CD, and cloud services. MarTech Innovation: Research and implement AI solutions for marketing use cases like content generation, analytics, and personalisation. Data Pipeline Architecture: Design robust data flows between marketing systems and AI services. Technical Leadership: Provide strategic direction, mentorship, and best practices for AI implementation. Documentation: Create comprehensive technical documentation for systems and … Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context Protocol, API design, and cloud platforms (GCP, Azure). Skilled in containerisation and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines. Strong foundation in software design More ❯

Key Responsibilities Vibe Coding & AI Tooling: Spend the majority of your time building and iterating using AI-first coding environments (Cursor, VS Code Studio, Copilot, etc.). Solution Architecture: Design scalable, modular architectures for AI-driven marketing applications and microservices. Requirements Engineering: Translate business and marketing needs into detailed technical specifications. AI-Assisted Development: Rapidly prototype and develop applications … using Docker, Git, CI/CD, and cloud services. MarTech Innovation: Research and implement AI solutions for marketing use cases like content generation, analytics, and personalisation. Data Pipeline Architecture: Design robust data flows between marketing systems and AI services. Technical Leadership: Provide strategic direction, mentorship, and best practices for AI implementation. Documentation: Create comprehensive technical documentation for systems and … Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context Protocol, API design, and cloud platforms (GCP, Azure). Skilled in containerisation and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines. Strong foundation in software design More ❯

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 ❯

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 offices 2 days a week. As a Senior Fullstack Developer at Waracle, you will become … ready to blend deep technical expertise with strategic leadership in a fast-paced, consultancy environment, we invite you to apply. What You’ll Do: Provide Technical Leadership: Guide the design and build of advanced, scalable .NET/C# backend services and sophisticated React frontend applications. You’ll set technical direction, contribute to overall architecture, and ensure the highest standards … a Fullstack Developer with a strong portfolio of successfully delivered web applications. Backend Mastery: Expert-level proficiency in .NET and C# (including .NET Core/5+), ASP.NET Core, RESTful API design, and a solid understanding of microservices architecture. Frontend Proficiency: Expert-level proficiency in React, including core libraries, state management, and modern frontend practices. Database Acumen: Solid understanding More ❯