the fast-moving DeFi space. Bonus points if you've touched on any of these: message brokers (Kafka, RabbitMQ, EventBridge), smart contracts, running crypto nodes/RPCs, Web3, or GraphQL Wir bieten Hybrid-working model with 25-Work From Anywhere days Competitive total compensation package including participation in our stock option plan Market-leading benefits programs shaped by our Time More ❯
West London, London, United Kingdom Hybrid / WFH Options
Staffworx Limited
GraphQL Full Stack Engineer - TypeScript | Cloud-Native | Contract (Outside IR35) Location: West London (Hybrid - 2 days/week on site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript …/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through … Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End More ❯
west london, south east england, united kingdom Hybrid / WFH Options
Staffworx Limited
GraphQL Full Stack Engineer - TypeScript | Cloud-Native | Contract (Outside IR35) Location: West London (Hybrid - 2 days/week on site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript …/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through … Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End More ❯
london, south east england, united kingdom Hybrid / WFH Options
Staffworx Limited
GraphQL Full Stack Engineer - TypeScript | Cloud-Native | Contract (Outside IR35) Location: West London (Hybrid - 2 days/week on site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript …/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through … Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End More ❯
software engineering with a strong grasp of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Formula Recruitment
software engineering with a strong grasp of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise More ❯
london, south east england, united kingdom Hybrid / WFH Options
Formula Recruitment
software engineering with a strong grasp of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise More ❯
London, England, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Formula Recruitment
software engineering with a strong grasp of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise More ❯
london, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality More ❯
slough, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality More ❯
Do Build, test, and deploy integrations across ERP and eCommerce platforms. Collaborate with Business Analysts and Solution Designers to scope technical requirements. Implement API integrations (REST/SOAP/GraphQL) and data pipelines (JSON, XML, CSV). Write clean, maintainable code in PHP (Symfony/Laravel) or equivalent backend languages. Use AWS, Docker, and microservice/serverless architectures to deliver More ❯
Do Build, test, and deploy integrations across ERP and eCommerce platforms. Collaborate with Business Analysts and Solution Designers to scope technical requirements. Implement API integrations (REST/SOAP/GraphQL) and data pipelines (JSON, XML, CSV). Write clean, maintainable code in PHP (Symfony/Laravel) or equivalent backend languages. Use AWS, Docker, and microservice/serverless architectures to deliver More ❯
East London, London, England, United Kingdom Hybrid / WFH Options
Avanti
Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React UIs Contribute to ongoing rebuild and refactor of legacy systems Work with REST & GraphQL APIs for third-party platform integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET More ❯
newport, wales, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
using (for context – not a checklist and this is not a hands on coding role): Go (Golang) microservices React, TypeScript AWS, EKS, Terraform, Skaffold GitLabCI, CloudWatch, X-Ray Postgres, GraphQL You’ll need: A background in software engineering with strong technical depth Experience leading or managing engineers (formal or informal) Experience in supporting teams to improve velocity Skills in architectural More ❯
Greater Bristol Area, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
using (for context – not a checklist and this is not a hands on coding role): Go (Golang) microservices React, TypeScript AWS, EKS, Terraform, Skaffold GitLabCI, CloudWatch, X-Ray Postgres, GraphQL You’ll need: A background in software engineering with strong technical depth Experience leading or managing engineers (formal or informal) Experience in supporting teams to improve velocity Skills in architectural More ❯
bath, south west england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
using (for context – not a checklist and this is not a hands on coding role): Go (Golang) microservices React, TypeScript AWS, EKS, Terraform, Skaffold GitLabCI, CloudWatch, X-Ray Postgres, GraphQL You’ll need: A background in software engineering with strong technical depth Experience leading or managing engineers (formal or informal) Experience in supporting teams to improve velocity Skills in architectural More ❯
bradley stoke, south west england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
using (for context – not a checklist and this is not a hands on coding role): Go (Golang) microservices React, TypeScript AWS, EKS, Terraform, Skaffold GitLabCI, CloudWatch, X-Ray Postgres, GraphQL You’ll need: A background in software engineering with strong technical depth Experience leading or managing engineers (formal or informal) Experience in supporting teams to improve velocity Skills in architectural More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Tuza
PR reviews, and knowledge sharing. Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team. The tech Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. Make your case, and we More ❯
london, south east england, united kingdom Hybrid / WFH Options
Tuza
PR reviews, and knowledge sharing. Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team. The tech Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. Make your case, and we More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Tuza
PR reviews, and knowledge sharing. Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team. The tech Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. Make your case, and we More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TreasurySpring
Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ … we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience More ❯
Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ … we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience More ❯
london, south east england, united kingdom Hybrid / WFH Options
TreasurySpring
Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ … we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
TreasurySpring
Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ … we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience More ❯