solution eliminates 30-50% of total electricity usage in most commercial buildings. Key Responsibilities Design, develop, test and maintain full stack web applications. Build and maintain robust and scalable REST APIs and back-end services. Develop responsive and interactive user interfaces using React or Svelte. Write clean, maintainable, efficient and well-documented code. Debug and resolve application issues, and continuously More ❯
solution eliminates 30-50% of total electricity usage in most commercial buildings. Key Responsibilities Design, develop, test and maintain full stack web applications. Build and maintain robust and scalable REST APIs and back-end services. Develop responsive and interactive user interfaces using React or Svelte. Write clean, maintainable, efficient and well-documented code. Debug and resolve application issues, and continuously More ❯
have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Mastek
applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development experience with Oracle, REST APIs Strong understanding CI and DevOps technologies (Hands-on experience on Git, Jenkins, and Ansible/Terraform preferred) Practical experience on AWS (ECS, EKS, API Gateway and Serverless technologies) Agile More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Mastek
applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development experience with Oracle, REST APIs Strong understanding CI and DevOps technologies (Hands-on experience on Git, Jenkins, and Ansible/Terraform preferred) Practical experience on AWS (ECS, EKS, API Gateway and Serverless technologies) Agile More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
The main skill set we are looking for is strong software engineering experience, preferably with Kotlin/Java or Python. We highly value experience in cloud-based environments and REST APIs. Exposure to working with Large Language Models is a big plus. If you are not an expert in Kotlin/Java or Python but instead have strong general purpose More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Russell Tobin
Responsibilities Develop responsive web and mobile applications from the ground up. Contribute to the full stack: from database and backend services to frontend interfaces. Design and implement scalable APIs (REST, SOAP, RPC) and monitor performance. Work with cross-functional teams using Agile methodologies. Rapidly prototype new ideas while ensuring scalability and robustness for production systems. Technical Skills Programming Languages: Java … Python, C#, C/C++, JavaScript, Ruby Web Technologies: React, Webpack, SCSS, Node.js, AngularJS Protocols: HTTP, TCP/IP, UDP, SMTP, DNS API Development: REST, SOAP, RPC, RMI Architectures: Microservices, Cloud-Native, Federated Modules, Micro-frontends Mobile/Responsive Development: Expert in adaptive web and mobile solutions Databases: MySQL, SQL Server, Oracle, Elasticsearch, MongoDB, Cassandra DevOps & CI/CD: Automated More ❯
have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes More ❯
have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes More ❯
have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes More ❯
have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes More ❯
collaboration and engineering the best possible Java code. Essential Skills and Experience: Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messaging (ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum), Jaspersoft, Spring extension projects (Data, Cloud, Batch More ❯
with front-end technologies like HTML and Vue.js. Proficiency in scalable database design (SQL, NoSQL, Graph databases) such as SQL Server, MongoDB, Cassandra, Redis, and Apache Druid. Experience with REST APIs, GraphQL, and gRPC. Hands-on experience with version control (GitHub/GitLab) and testing frameworks like SonarQube, xUnit, Postman, Cucumber, Polaris, and Blackduck. Knowledge of cloud platforms such as More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Object-Oriented Design , and a passion for learning and embracing new tech. You dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks … GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between More ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Object-Oriented Design , and a passion for learning and embracing new tech. You dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks … GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Haystack
years in software engineering, ideally with a computer science degree or equivalent experience. Strong full-stack development skills, particularly in Node.js, TypeScript, and React. Comfortable building and consuming REST APIs; experience with GraphQL is a plus. Experience with both relational (e.g., PostgreSQL, MySQL) and NoSQL databases. Familiar with cloud infrastructure (AWS or GCP), CI/CD, and Git. Bonus Points More ❯
Bracknell, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best practices in software quality, CI/CD, observability, and DevOps Collaborate with cross-functional teams including Product, QA, and DevOps Optionally take on people More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
with PHP frameworks: Symfony and Laravel Languages: PHP, Ruby on Rails, Java, Python, C# Front-end: Vue.js, Typescript, Angular, React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, TDD, DDD, Agile (Scrum, Kanban) About You Self-motivated and independent worker Passionate about writing clean, reusable code Strong communication and teamwork skills Positive, logical, and eager to learn More ❯