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 More ❯
Write clean, maintainable, and efficient code. Implement responsive design principles to ensure applications work on various devices and screen sizes. Develop and integrate REST, GraphQL and RPC APIs. Conduct thorough testing of applications, including unit testing, integration testing, and end-to-end testing. Debug and resolve technical issues and bugs. More ❯
app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Ltd
app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯
Employment Type: Permanent
Salary: £70000 - £80000/annum Perks, Healthcare Options and Bens
City of London, London, Farringdon, United Kingdom Hybrid / WFH Options
83zero Ltd
app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯
Employment Type: Permanent
Salary: £60000 - £80000/annum benefits, perks, and healthcare opti
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
83zero Limited
app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯
web application development using Angular, NodeJS, React, HTML, CSS/SASS and ExpressJS Deep understanding of API design, including versioning, isolation, and microservices. Having GraphQL knowledge is a plus. Knowledge of cloud computing environments and applications (AWS, Azure). Experience in documenting APIs leveraging an API documentation framework like OpenAPI More ❯
and technical development of the Junior Developer. Technical Skills & Experience Frontend: js; TypeScript; Tailwind CSS Backend: Python (Django/FastAPI) and Node.js with Express; GraphQL & async preferred Database: PostgreSQL/MySQL and applied understanding of NoSQL databases e.g. MongoDB/DynamoDB Cloud: AWS (Lambda, RDS, S3) or Azure (Functions, Cosmos More ❯
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. Team Collaboration: Strong communication skills and the ability to collaborate effectively More ❯
IT/tech based degree with a minimum 2:1 grade Strong expertise in Node.js, Express.js, and JavaScript/TypeScript. Experience with RESTful APIs, GraphQL, and WebSockets. Proficiency in database management (SQL & NoSQL - eg, PostgreSQL, MongoDB). Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation (Docker, Kubernetes). More ❯
Django, FastAPI, Flask) Databases: PostgreSQL, MySQL, MongoDB, Redis DevOps: Docker, Kubernetes, GitLab CI/CD Cloud: AWS/Azure/GCP Extras: RESTful APIs, GraphQL, Terraform, serverless frameworks What We’re Looking For 5+ years of experience in backend engineering with Python Strong knowledge of RESTful API development and microservices More ❯
suite (BitBucket, Jira, Confluence). Familiarity with serverless architectures and cloud platforms (AWS, Azure, Google Cloud). Understanding of microservices and API development (REST, GraphQL). Exposure to headless CMS platforms such as Contentful. Experience with mobile app development using React Native. What’s in It for You? Work on More ❯
experience with modern javascript front-end frameworks & libraries such as React, Redux, Node, Express, NextJS, with RESTful API services. 3+ years of experience with GraphQL schemas, resolver functions, and datasources, Apollo Server/Client. Experience with advanced configurations of Webpack, Babel, Typescript, Eslint, Module Federation, Micro-frontends, etc. Experience with More ❯
AI solutions, data processing, and automation. AI & Data Expertise: Extensive experience in AI solution integration, Data Science, and Data Engineering, including API development (REST, GraphQL). Cloud Services Knowledge: Hands-on experience with Azure services, including Azure OpenAI, AKS, and Azure Container Apps. Database Proficiency: In-depth knowledge of SQL More ❯
suite (BitBucket, Jira, Confluence). Familiarity with serverless architectures and cloud platforms (AWS, Azure, Google Cloud). Understanding of microservices and API development (REST, GraphQL). Exposure to headless CMS platforms such as Contentful. Experience with mobile app development using React Native. What's in It for You? Work on More ❯
suite (BitBucket, Jira, Confluence). Familiarity with serverless architectures and cloud platforms (AWS, Azure, Google Cloud). Understanding of microservices and API development (REST, GraphQL). Exposure to headless CMS platforms such as Contentful. Experience with mobile app development using React Native. What's in It for You? Work on More ❯
backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilizing REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using More ❯
Washington, Washington DC, United States Hybrid / WFH Options
ESimplicity Inc
experience. Deep Experience with Python Deep understanding of APIs, and familiarity with JSON, Web APIs, REST APIs, JSON-RPC, XML-RPC, RESTful practices, and GraphQL Experience with one of the major cloud service providers (AWS preferred) (EKS, MSK, OpenSearch) Experience implementing OSS solutions Experience with event driven architectures Experience with More ❯
. Experience working with Vue.js or other modern frontend frameworks (e.g. React, Angular). Experience in designing, building, and consuming robust APIs (e.g. RESTful, GraphQL). Solid understanding of relational databases (e.g. PostgreSQL) and SQL. Experience shipping features end-to-end in a product-driven environment, demonstrating ownership from concept More ❯
with responsive design and cross-browser compatibility; Knowledge of UI/UX best practices. Experience with NoSQL databases, specifically Cassandra or DynamoDB Understanding of GraphQL and data modeling Proficiency in AWS services, including but not limited to EC2, EKS, ECS, API gateway, S3, RDS, and IAM. Familiarity with serverless architecture More ❯
You'll Be Doing: Designing and developing interactive, responsive applications using JavaScript, HTML, CSS, JSON, React.js, and TypeScript Creating and integrating RESTful APIs and GraphQL Performing automated testing using Selenium Managing deployments on AWS or Azure Using Git (Bitbucket) for version control in a Linux environment Collaborating with back-end More ❯
Developer, based in Kent: Develop intuitive and responsive web applications using JavaScript, HTML, CSS, JSON, React.Js, and TypeScript Design and implement REST APIs and GraphQL integrations Conduct automated testing using Selenium Manage cloud deployments on AWS and Azure platforms Use Git (BitBucket) for version control, ideally in a Linux environment More ❯
Developer, based in Kent: Develop intuitive and responsive web applications using JavaScript, HTML, CSS, JSON, React.Js, and TypeScript Design and implement REST APIs and GraphQL integrations Conduct automated testing using Selenium Manage cloud deployments on AWS and Azure platforms Use Git (BitBucket) for version control, ideally in a Linux environment More ❯
Developer, based in Kent: Develop intuitive and responsive web applications using JavaScript, HTML, CSS, JSON, React.Js, and TypeScript Design and implement REST APIs and GraphQL integrations Conduct automated testing using Selenium Manage cloud deployments on AWS and Azure platforms Use Git (BitBucket) for version control, ideally in a Linux environment More ❯
team-first” mindset — you believe better things happen when we build together Tech We Use (and love): Node.js | TypeScript | React/React Native | Next.js GraphQL | AWS/Vercel | Serverless | Docker SQL | CI platforms | Microsoft + Azure tooling Bonus points if you’ve contributed to open-source projects! Why You’ll More ❯