1 to 25 of 43 Permanent GraphQL Jobs in Central London

tooling and technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana" for logging * Azure ...

Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data & Integration SQL Server, Azure SQL, Cosmos ...

writing unit-tested, maintainable, and scalable code. Understanding of CI/CD pipelines. Knowledge of database systems such as PostgreSQL and MySQL; interaction via GraphQL . Desirable: Experience building products with Large Language Models (LLMs) and integrating them into production environments. Experience developing in C++ and/or Rust Experience ...

Stack TypeScript Next.js Node.js GCP AWS (ML) CI/CD with GitHub actions and workflows SQL (PostgreSQL, MySQL) NoSQL (MongoDB, Firestore, Redis) RESTful APIs - GraphQL Requirements for Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + ...

Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related field. Advanced English level , both written and verbal. Excellent communication, leadership, and mentoring ...

week in the office. 💷Highly competitive package + bonus + benefits What You’ll Bring Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front ...

scalability. What You’ll Bring 🔥 Expert-level Python & Front End engineering skills — clean, scalable, production-grade code ⚙️ Strong experience building and designing APIs (REST, GraphQL, or gRPC) 🔧 Hands-on architectural depth — Microservices, distributed systems, event-driven patterns ☁️ Cloud expertise (AWS preferred) — Lambda, ECS, DynamoDB, SQS, SNS, API Gateway 🚀 Proven track ...

working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks ...

highly advantageous e.g. Investment banking, trading, asset management, etc. Deep knowledge of React, TypeScript, state management (e.g. Redux or similar), Apollo Client and GraphQL/REST APIs . Experience in cloud-native environments (AWS or Azure), and how front-end and backend services fit together in distributed systems. Strong understanding ...

. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo) . ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth , and other authentication mechanisms. ● Perform unit testing with Jest ...

/CD principles and Agile/Scrum development practices. Excellent communication skills and a proactive, solution-focused mindset. Desirable extras: Experience with GraphQL , gRPC , Kafka , or Reactive Extensions (RX) . Exposure to the energy, commodities, or financial services sectors. This is an opportunity to contribute to an ambitious, data-driven ...

Contentful (or similar headless CMSs) Algolia Datadog (or similar monitoring tools, structuring logs, setting up monitors) GitHub actions HTTP (headers, status codes, payloads) Akamai GraphQL Infrastructure as code (e.g. Terraform) GCP Employee Benefits: 33 days annual leave for full time employees (25 days holiday + 8 bank holidays ...

technical roadmap planning Remain hands-on with code reviews, design, and problem solving Mentor engineers and support team leads Tech Environment React, TypeScript Node.js, GraphQL Postgres Team & Working Model Hybrid: 2–3 days per week on-site in London Company size: 60–70 people Product Engineering: 12 engineers across ...

they scale Integrating external services and expanding platform capabilities Our Tech Stack Node.js/TypeScript (core backend choice) PostgreSQL and Redis REST or GraphQL APIs AWS (Lambda, ECS, RDS) or similar cloud platforms Docker, GitHub Actions, and automated testing What They're Looking For Strong backend development experience (Node.js ...

party APIs. Experience with modern data stack tools (e.g., dbt, Snowflake, Databricks). Experience with orchestration tools (e.g., Airflow). Experience building REST or GraphQL APIs. Why Work Here? Meaningful mission in the healthtech sector Opportunities for ownership, growth, and increased responsibility Values-driven culture focused on trust, outcomes ...

models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We’re only considering exceptional candidates, with the following pre-requisites: 5+ years of professional software development experience. 2+ years ...

React + TypeScript Proven ownership of complex production web applications Strong architectural and design understanding Excellent problem-solving and code quality standards Desirable: AWS, GraphQL, Tailwind, healthcare/regulated environments, security standards (HIPAA/GDPR/NHS DTAC). Why This Role? You’ll join at a pivotal growth moment ...

DevOps, SRE, or related technical roles, ideally within financial technology environments. Strong technical expertise with Python, Unix, PostgreSQL, and familiarity with Kafka, CockroachDB, FastAPI, GraphQL, Snowflake, Redis, and QuestDB or equivalent technologies. Proven experience designing and implementing monitoring and alerting tools (DataDog, Grafana). Solid experience with AWS Cloud Infrastructure ...

code reviews, and shape engineering standards What We’re Looking For 🎯 5+ years backend development with Node.js/TypeScript 🎯 Strong async programming, REST/GraphQL, and PostgreSQL skills 🎯 AWS experience (ECS, Lambda, SQS, DynamoDB) 🎯 Startup experience and a passion for high-impact projects 🎯 Interest in clean energy, AI, or automation ...

Good communication skills and ability to work collaboratively. Desirable: Experience with BDD/TDD methodologies. Familiarity with API testing and tools such as Postman. GraphQL Knowledge of testing frameworks like Jest or Mocha. What We Offer: A collaborative and supportive work environment. Flexible working arrangements (remote or hybrid). Career ...

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 … 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 ...

+ 20% bonus - paid in monthly increments) Location : Central East London (x3 days per week onsite) Tech stack includes : React, Typescript, NodeJS, GraphQL, Kubernetes, Neo4j. Current team size: x2 Engineers Telecomms scaleup hiring for 1-2 Software Engineers. The business provides their own fibre optic network, also providing ...

Backend: TypeScript, NestJS, REST APIs, GraphQLor similar ORM, MySQL and NoSQL, Kafka or similar Frontend: React, Next.js, TypeScript, Chakra UI, React Query (or similar), GraphQL integration Comfortable working with complex dashboards and data-heavy UIs Able to interpret designs and flows from tools like Figma Experience in startups or high ...