to work from our office in Madrid and help us enable WebAssembly on any infrastructure compiled from any programming language. You will lead the backend coded with Python, Django, GraphQL and a bit of WebAssembly and Rust (no prior knowledge required for the last two). You'll work with a very technical team, in challenging problems that will move … forward of cloud computing as we know it. You'll be working very close to the frontend team and our CEO, who is also the creator of the Python GraphQL framework: Graphene (some of his talks: React.js Conf 2016, Django Con 2016, GraphQL Summit 2018, Compiling Python to Native Wasm 2024). About us At Wasmer, we work on the … ll do: Maintain, architect, and build backend APIs for our Cloud service (Wasmer Edge) Coordinate with the UI/UX and Frontend developers to implement new backend APIs (via GraphQL) that support UI and command-line functions Write tests and implement automated testing for backend services to deliver a high-quality user experience Own the backend codebase and proactively communicate More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
freedom to make technical decisions. You can either be a Lead already or a Senior with experience mentoring engineers + taking the lead on projects. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship new features … the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail Strong communication More ❯
freedom to make technical decisions. You can either be a Lead already or a Senior with experience mentoring engineers + taking the lead on projects. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship new features … the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail Strong communication More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Oliver Bernard
freedom to make technical decisions. You can either be a Lead already or a Senior with experience mentoring engineers + taking the lead on projects. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship new features … the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail Strong communication More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
We Are Dcoded Limited
Senior Software Developer SaaS | C# .NET Core | AWS | Kubernetes | GraphQL Manchester (Hybrid) | £7085k DOE + Bonus + Excellent Benefits Agency opportunity working on behalf of an established SaaS client We're partnering with a leading SaaS business to recruit a Senior Software Developer to join their high-performing engineering team. This is a fantastic opportunity for someone who thrives in … and building systems that scale. Tech Snapshot: Languages & Frameworks: C#, .NET Core Cloud: AWS (cloud-native, not lift-and-shift) Containerisation: Kubernetes IaC & Pipelines: Terraform, CI/CD APIs: GraphQL, REST Practices: TDD, Monitoring, Observability What Youll Be Doing: Building and maintaining distributed services in a high-traffic, cloud-native environment Leading the development of new features and contributing to … experience with C# and .NET Core in production systems Proven knowledge of AWS and designing cloud-native services Hands-on experience with Kubernetes in live environments Solid understanding of GraphQL and API design principles Exposure to infrastructure-as-code (e.g. Terraform ) and modern CI/CD pipelines Passion for clean, maintainable code and continuous improvement A collaborative mindset and a More ❯
Senior Backend Engineer to join our expanding team. You will support the development of mobile and web applications, focusing on building scalable, secure, and high-performing backend services using GraphQL, C#, Kubernetes, and Azure, with integration to Dynamics 365. You will collaborate closely with frontend, mobile, and infrastructure teams to develop and maintain a robust platform that delivers seamless digital … experiences. Job Role Accountabilities: Design, develop, and maintain backend services with GraphQL and C#. Create scalable APIs to support mobile and web apps. Deploy and manage applications using Kubernetes, Helm, and Azure. Automate infrastructure provisioning with Terraform. Manage data flow between systems, including Dynamics 365. Enhance application performance, security, and reliability. Work with cross-functional teams including frontend developers, DevOps … for CI/CD, cloud security, and API management. Document solutions, workflows, and architecture decisions. Skills and Experience Proven experience in backend development with C# and .NET. Experience with GraphQL for data querying. Hands-on experience with Kubernetes and Helm. Azure cloud expertise, including app services, networking, and monitoring. Proficiency with Terraform for IaC. Experience integrating with Dynamics 365 and More ❯
opportunity for an engineer looking to expand their well-established career, who is excited about solving complex problems and ownership, and who enjoys working with technologies like Python, Typescript, GraphQL, AWS, and Frameworks like FastAPI and React. What You'll Do Build scalable web applications utilizing open-source tools and technologies Build and use REST and GraphQL APIs Be able … such as MySQL or PostgreSQL Independent, self-managed and motivated Good command of the English language Nice to Have Experience with any of the following would be a plus: GraphQL, React, FastAPI, AWS (or any other Cloud provider) A bachelor's degree in computer science, engineering, or information systems Veeva's headquarters is located in the San Francisco Bay Area More ❯
level development from design through to deployment and ongoing support Championing Agile and contributing to continuous improvement of delivery processes Designing and building backend systems using Java, Spring, and GraphQL Evaluating technologies and contributing to architecture decisions Supporting developer tools such as CI/CD pipelines and test frameworks Mentoring other developers and contributing to coding standards and best practices … with business needs What you’ll need: Strong experience building production systems with Java and the Spring ecosystem Proven backend system design expertise (APIs, data layers, infrastructure) Experience with GraphQL and REST APIs Proficient in writing testable code and using testing frameworks like JUnit Familiarity with CI/CD tools (e.g., GitLab, Gradle) and cloud platforms (Azure preferred) Excellent communication More ❯
Portishead, Somerset, United Kingdom Hybrid / WFH Options
SR2
making various upgrades to their systems to reduce energy consumption. About the role: If you're an experienced Java software engineer, with skills in Spring boot, REST APIs or GraphQL, CI/CD and have worked in collaborative agile development teams this would be a great fit for you. Their engineering team works cross-functionally, so you will have a … supportive company with a 'one team' ethic, to solve interesting and highly complex issues, whilst developing their product features further. Experience needed: Java and Spring REST API development (or GraphQL) Azure or AWS experience CI/CD Pipelines experience Up to date with industry best engineering practices Experienced working within an Agile Scrum environment Skilled in software design, implementation, deployment More ❯
Bristol, Portishead, Somerset, United Kingdom Hybrid / WFH Options
SR2
making various upgrades to their systems to reduce energy consumption. About the role: If you're an experienced Java software engineer, with skills in Spring boot, REST APIs or GraphQL, CI/CD and have worked in collaborative agile development teams this would be a great fit for you. Their engineering team works cross-functionally, so you will have a … supportive company with a 'one team' ethic, to solve interesting and highly complex issues, whilst developing their product features further. Experience needed: Java and Spring REST API development (or GraphQL) Azure or AWS experience CI/CD Pipelines experience Up to date with industry best engineering practices Experienced working within an Agile Scrum environment Skilled in software design, implementation, deployment More ❯
Employment Type: Permanent
Salary: £60000/annum private healthcare, annual bonus, 26 days hol
Product, Design, and Engineering to define, prioritize, and build FinTech/Web3 features Drive detailed project definition and cross-functional alignment Design and architect backend REST and/or GraphQL APIs Work with external stakeholders in the FinTech industry to integrate solutions Become a subject matter expert in payments and Web3 Collaborate with frontend, backend, and smart contract developers Requirements … years of experience building scalable solutions on top of AWS or GCP infrastructure Experience building FinTech products Experience working with container technologies like Docker Familiarity with Kubernetes Familiarity with GraphQL APIs and frameworks like Apollo Server Experience with database development with both relational databases and NoSQL databases, like PostgreSQL, Redis, DynamoDB or similar Experience working in Web3 or an eagerness More ❯
high-impact team building the foundation for something big - and genuinely different. What you’ll be doing Building new features in React using Expo (must-have) Designing and developing GraphQL APIs and backend services in Node.js Scaling and maintaining a modern platform built on Kubernetes , serverless , and AWS Integrating external services and SDKs (authentication, payments, etc.) Improving observability, reliability, and … shaping the technical roadmap What you’ll bring: 5+ years of experience as a full stack engineer Expert-level skills in React (with Expo ) and Node.js Solid experience with GraphQL on both frontend and backend Experience working with modern cloud environments, preferably AWS Strong testing discipline and familiarity with automation and CI/CD A practical understanding of event-driven More ❯
high-impact team building the foundation for something big - and genuinely different. What you’ll be doing Building new features in React using Expo (must-have) Designing and developing GraphQL APIs and backend services in Node.js Scaling and maintaining a modern platform built on Kubernetes , serverless , and AWS Integrating external services and SDKs (authentication, payments, etc.) Improving observability, reliability, and … shaping the technical roadmap What you’ll bring: 5+ years of experience as a full stack engineer Expert-level skills in React (with Expo ) and Node.js Solid experience with GraphQL on both frontend and backend Experience working with modern cloud environments, preferably AWS Strong testing discipline and familiarity with automation and CI/CD A practical understanding of event-driven More ❯
high-impact team building the foundation for something big - and genuinely different. What you’ll be doing Building new features in React using Expo (must-have) Designing and developing GraphQL APIs and backend services in Node.js Scaling and maintaining a modern platform built on Kubernetes , serverless , and AWS Integrating external services and SDKs (authentication, payments, etc.) Improving observability, reliability, and … shaping the technical roadmap What you’ll bring: 5+ years of experience as a full stack engineer Expert-level skills in React (with Expo ) and Node.js Solid experience with GraphQL on both frontend and backend Experience working with modern cloud environments, preferably AWS Strong testing discipline and familiarity with automation and CI/CD A practical understanding of event-driven More ❯
industry is riddled with interesting challenges as we continue to scale out our platform with a fast growing list of customers. Our technologies include Ruby on Rails, React, Typescript, GraphQL, Redis, Amazon Redshift, and others. This position is open to remote candidates in North America. About the Team: This team is a specialized, cross-functional squad of highly skilled engineers … Redux, Ruby on Rails etc. Experience with implementing a client-facing project end-to-end, from design to delivery. Strong understanding of scalable system design for web-based APIs (GraphQL, gPRC or REST) and backend processing systems. Experience collaborating closely with Product & Design to design, implement and iterate on high impact end-to-end product experiences. Experience working on large … scale Ruby on Rails/GraphQL projects a plus Basic knowledge of AWS or other equivalent cloud platforms (GCP, Azure, etc.). Experience analyzing, benchmarking and optimizing web application page load performance across the entire stack. Experience with the AdTech industry is a plus. StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent More ❯
concept, they’re already deeply woven into day-to-day engineering. You'll work in a cutting-edge, Node.js and TypeScript-based monorepo, engineering scalable systems through RESTful and GraphQL APIs, and building interactive real-time features over websockets. Our client is a fast-scaling technology company revolutionising procurement and logistics on a global scale. Their digital products support thousands … daily for faster problem-solving and prototyping What You’ll Bring Experience developing backend systems and ready to step into a senior role Strong proficiency with Node.js, TypeScript, and GraphQL Familiarity with modern development tools that enhance engineering efficiency A solid grasp of both object-oriented and functional programming principles Prior use of AI assistants (e.g. Cursor or others) to More ❯
is recognised , this London-based opportunity offers the challenge and scope you're looking for. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes, CI/CD pipelines, and legacy system migrations. Innovate across the stack, taking ownership … collaboration. Work closely with cross-functional teams, including product and engineering groups different countries/regions, to ensure alignment and execution. Build and deploy secure, resilient APIs (REST/GraphQL) and optimise the full software development lifecycle through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring More ❯
is recognised , this London-based opportunity offers the challenge and scope you're looking for. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes, CI/CD pipelines, and legacy system migrations. Innovate across the stack, taking ownership … collaboration. Work closely with cross-functional teams, including product and engineering groups different countries/regions, to ensure alignment and execution. Build and deploy secure, resilient APIs (REST/GraphQL) and optimise the full software development lifecycle through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring More ❯
eCommerce giant as they work on a large-scale digital re-platform across the estate to MACH and Event-Driven Architecture. Key Technical Skills JavaScript/Typescript React, Next.js, GraphQL Node AWS, Lambdas, Serverless Event-driven, Microservices, APIs The client are open to candidates with 5 years experience plus, so if you are currently a Senior looking to take a More ❯
WunderGraph is a fast-growing startup, and we're on a mission to redefine how companies leverage GraphQL Federation at scale. Our North Star is to enable collaboration across small and large organizations by using APIs as the backbone of business growth. Making this look easy for customers actually means solving complex technical challenges, which is why we're looking … value to the customer and iterate fast to figure out what's right. You will be in charge of: Building software across our entire stack (Golang, NextJS, React, TypeScript, GraphQL, Tailwind), with a focus on robust, scalable, and maintainable code. Leading and contributing to our open-source codebase, including architectural decisions and rigorous code reviews. Taking end-to-end ownership … proficiency in TypeScript, React, and Node.js -these are core to our stack. Proficiency or hands-on experience with Golang , or a strong willingness to become proficient. Deep understanding of GraphQL and API ecosystems; familiarity with protocols like SOAP or gRPC is a bonus. Familiarity with cloud-native environments, CI/CD, observability tools, and DevSecOps best practices is a plus. More ❯
professional subscribers use to manage their business with us. We have been investing in our Tech stack and have moved to the latest frameworks and tools such as vue.js, graphql, docker and Kubernetes as well as migrating to Google Cloud Platform. We are on a journey so are looking for a great developer but also someone that can bring their … active part of the engineering community team and collaborating with other developers Solid experience working in an agile development environment Experience working with modern front end frameworks, APIs and GraphQL Some knowledge of Single Page Apps, App/Play store and Apache Cordova or similar technology Coding best practice for performance, security and other architectural best practices Experience working with More ❯
Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) - Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL - Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT or SVN More ❯
riddled with interesting challenges as we continue to scale out our platform with a fast growing list of customers. Our technologies include Ruby on Rails, React, AWS SES, Go, GraphQL, Redis, Elasticsearch, Amazon Redshift, and others. Engineering at StackAdapt: At StackAdapt, you will be directly involved in leading your team to deliver production level code that will have a direct … impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks such as GoLang, Ruby on Rails, React, GraphQL and more. StackAdapt's engineering organization believes in working collaboratively and cross functionally. You will get the opportunity to work in a diverse and flexible culture with dedicated career paths to More ❯
agile ceremonies (daily stand-ups, retrospectives, etc.) Tech Stack You'll be working with a modern JavaScript/TypeScript stack, including: React , Remix , Node.js TypeScript , Tailwind CSS , Sass , HTML5 GraphQL for data fetching CI/CD tools and practices Monitoring : Grafana, Kibana, Prometheus More ❯
Professional experience with Python or Go Experience with one or more front-end web frameworks such as LIT, Polymer, React, Vue, or Angular with experience with CSS. Experienced with GraphQL, REST, HTTP, Thrift basics, and the ability to design and implement maintainable APIs is a plus. Comfort working in a highly agile, intensely iterative software development process. Strong organizational skills More ❯