151 to 175 of 492 Permanent API Development Jobs

real-time data processing, and integrate cutting-edge cybersecurity tools ( CrowdStrike, Elastic, Windows Defender ). You'll also help shape best practices, guide architectural decisions, and foster a strong development culture within the team. Key responsibilities : Develop & optimize full-stack applications using Supabase (SQL), NextJS, TypeScript, and Python . Build scalable and secure APIs to interact with security tools … system architecture decisions , ensuring scalability and maintainability. Foster a collaborative team environment , helping junior developers grow their expertise. Requirements Required skills & experience : 5+ years of experience in full-stack development , ideally in cybersecurity or security-related applications . Proven experience leading and mentoring junior developers in a team setting. Expertise in TypeScript, NextJS, Python, and Supabase (SQL) . Strong … experience with API development (REST, GraphQL), authentication (OAuth, JWT), and security best practices . Familiarity with SIEMs, EDR solutions, security automation, and large-scale security data processing . Experience working with large-scale databases, query optimization, and performance tuning . Hands-on experience integrating with security tools like CrowdStrike, Elastic, or Windows Defender . Knowledge of cloud platforms More ❯

a sophisticated core platform built with .NET (C#) and hosted on Microsoft Azure , applying modern microservices architecture at scale. You’ll also gain exposure to Node.js and TypeScript for API development and integration work, plus Angular for front-end experiences. The environment includes modern DevOps practices with Terraform (IaC) , GitHub Actions (CI/CD) , and Kubernetes for scalability More ❯

the trade-offs and can make the right decisions at every layer of implementation based on model, hardware and latency/throughput requirements. You have extensive experience with Web Development (Kubernetes, Docker, API development), databases (PostgreSQL, BigTable, Redis or (nice to have) vector databases), and MLOps tooling such as MLFlow, Vertex AI, Kubeflow, and are excited about … low-latency service development, with experience in (or eagerness to learn) Rust. On top of that, it would be nice if you also have experience in Go, Java, or C++. We embrace a hypotheses-driven approach and expect you to have a passion for experimentation. You are also eager to test and validate your models. We challenge you to More ❯

successful placement earlier this year. Due to strong growth and ongoing investment in their technology, they’re looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You’ll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners and fellow engineers, you … ll contribute to all stages of development — from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions, contributing to technical decisions. Troubleshooting and resolving complex technical challenges quickly and effectively. … Continuously improving code quality through testing, reviews, and best practices. Skills & Experience: .NET (C#, ASP.NET) Angular REST/API Development SQL Server TypeScript, JavaScript, HTML, CSS Strong understanding of Agile delivery (Scrum or Kanban) Experience with Azure services (e.g. Cosmos DB, Microservices, Docker, NServiceBus) Familiarity with cloud-native or distributed architectures Benefits: Salary up to £55,000 per More ❯

K&K Social Resources & Development GmbH is an international recruiting agency that has been providing technical resources in the European region since 1993. This position is with one of our clients in the United Kingdom, who is actively hiring candidates to expand their teams. Job Role: Lead Java Fullstack Engineer Location: Leeds, England, United Kingdom Technology; Java 17, GCP … deliver backend features with a focus on performance and reliability. Work closely with architects and product owners to define technical solutions aligned with business goals. Required Skills & Experience Backend Development: 5–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular . Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to Have GCP Data Services: Experience with BigQuery , Spanner , Cloud Composer , or Dataflow . Generative AI: Exposure to LangChain More ❯

K&K Social Resources & Development GmbH is an international recruiting agency that has been providing technical resources in the European region since 1993. This position is with one of our clients in the United Kingdom, who is actively hiring candidates to expand their teams. Job Role: Lead Java Fullstack Engineer Location: Leeds, England, United Kingdom Technology; Java 17, GCP … deliver backend features with a focus on performance and reliability. Work closely with architects and product owners to define technical solutions aligned with business goals. Required Skills & Experience Backend Development: 5–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular . Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to Have GCP Data Services: Experience with BigQuery , Spanner , Cloud Composer , or Dataflow . Generative AI: Exposure to LangChain More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8-15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality assurance practices. Mindset: Demonstrated commitment to continuous learning and excellent communication skills. Good to have- GCP Data Services: Experience with BigQuery, Spanner, Cloud Composer, or Dataflow. Generative AI: Exposure to LangChain, LangGraph, or More ❯

such as graduates and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead the estimation process and ensure development work is accurately scoped. Debug existing code, maintain system performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years … experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Experience with version control (GIT preferred) and cloud platforms like AWS. It would be a plus if you also possess previous experience in: TDD/ More ❯

such as graduates and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead the estimation process and ensure development work is accurately scoped. Debug existing code, maintain system performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years … experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Experience with version control (GIT preferred) and cloud platforms like AWS. It would be a plus if you also possess previous experience in: TDD/ More ❯

GCP). • Proficient in Java. • Proficient in Docker and Kubernetes (deployment, scaling, health checks, config management). • Familiarity with Infrastructure as Code (e.g., Terraform, Ansible). • Strong understanding of API development and Oracle/PostgreSQL databases. • Experience with CI/CD automation and deployment strategies (e.g., blue/green, canary). • Good grasp of observability principles (logs, metrics … traces). • Experience with secure coding, identity management, and secrets management. • Proficient with the use of software development frameworks such as Spring, Hibernate, etc. • Strong version control (Git) and branching strategy experience. • Familiar with contract testing, integration testing, and automated quality gates. More ❯

days in the office) c£60,000 per year Plus excellent company benefits (including Pension, Bonus, Life Insurance, Healthcare, etc.) Skills and Experience: Extensive experience with web application and API development at a senior level Must be able to mentor more junior members of the team in the absence of the Technical Lead Expert understanding of microservice architecture … scalable and performant solutions Design and develop Front End code with a focus on security, accessibility and delivering a great user experience Provide input on key technology, architectural and development decisions The Opportunity: My client based in the sustainability sector are currently on the lookout for a Senior Full Stack PHP Developer on a permanent basis. In this role … systems to a high standard of security, scalability and performance. The successful candidate will have demonstrable experience working at a senior level across the full stack within a web development team, with keen attention to detail and strong problem-solving skills. Please note this role will not be fully remote and there is no flexibility on the two days More ❯

observability tools (Grafana or equivalent). Exposure to analytics, reporting, and BI tools such as Apache Superset, Lightdash or OpenSearch Willingness to work across the stack by contributing to API development and, at times, UI components (Vue.js, Zoho, or similar). Excellent communication and collaboration skills, with the ability to work independently and adapt quickly to complex codebases. … work from different WeWork locations Regular offsites to enjoy face-to-face time and to bond further with your colleagues A dynamic environment that offers room for growth and development to all employees A friendly, international, and multicultural team We are proud to be an equal opportunity employer. We celebrate diversity and are passionate about creating an inclusive environment More ❯

centre of its business. The company is going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a Senior Software Engineer, you will be involved in the full lifecycle of software development; from small front-end changes to developing APIs … with experience in a LAMP (Linux/Apache/MariaDB/PHP) environment considered advantageous. Experience in migrating legacy systems to modern architectures and frameworks. Solid understanding of RESTful API development, web application design patterns, and secure coding practices. Familiarity with CI/CD pipelines, automated testing, and integration with third-party services; experience with Docker, Kubernetes, or More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯

Manchester (3 days per week in office, Tuesday-Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯

Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯

Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯