26 to 47 of 47 GraphQL Jobs in London

/11) with a desire to transition • 7+ years working across JVM-based backend development • Strong experience with Spring Boot and building RESTful or GraphQL services • Solid understanding of relational databases such as PostgreSQL or MySQL • Experience working within BDD or TDD environments, alongside CI/CD tooling such ...

right questions, and making reasonable bets. Bonus Experience with IoT/telemetry, energy data, or time-series workloads Familiarity with event-driven architectures, GraphQL, Airflow, or Python Personal interest in energy, climate tech, or automation Track record of owning complex systems end-to-end 5+ years of experience This role ...

amazing opportunity! The following skills/experience is essential: Strong React Native development background Demonstrable experience delivering applications in both iOS and Android GraphQL and Restful APIs Solid understanding of the full mobile development life cycle Good communication skills Salary: Up to £95,000 + bonus + package Location: London ...

Java experience (Spring Boot, Bazel, Maven) with a focus on distributed services and Kubernetes (GKE). System Designer: Strong skills in API design (gRPC, GraphQL, REST) and relational databases like PostgreSQL. Cloud Proficient: Hands-on experience with GCP services, including BigQuery and Cloud SQL. Security Minded: Experience with (or strong ...

Javascript/Web Components Tailwind (or familiarity with CSS frameworks) HTML (with best practices and accessibility in mind) Webpack/Vite REST/GraphQL APIs Shopify CLI Git Shopify Functions Checkout Extensibility Bonus Experience: Shopify App Development How to Apply: Interested? Great! Send a brief covering letter (email) along with ...

Strong background designing and building distributed systems and APIs Proven experience building or scaling payment, ledger, or transaction systems Experience working with Elixir and GraphQL (strongly preferred) Background in eCommerce or transaction-heavy, real-time platforms operating across regions Ability to evolve existing systems pragmatically in fast-moving environments Comfortable ...

Shopify Developer in a DTC/eCommerce environment Strong expertise in Shopify Liquid and Online Store 2.0 Experience with Shopify APIs (REST/GraphQL) and third-party integrations Solid front-end skills (HTML, CSS, JavaScript) Track record of improving performance, UX, and conversion Experience with subscription platforms (Recharge, Skio, etc. ...

Principal Engineer l Architecture l Design l Coaching l Typescript l AWS l Kafka l GraphQL l Lambda l £550-£625 per day l Outside IR35 l twice a week in London l 3 months We're hiring a Principal Engineer to step into a critical gap on a large ...

Proven track record designing complex e-commerce or marketplace systems • Strong system design and distributed systems experience • Experience building APIs (REST and/or GraphQL) • PostgreSQL and performance optimisation experience Package 💸 Highly competitive base salary DOE 📍 UK hybrid (multiple office locations) 🚀 High ownership, greenfield platform, long-term impact This ...

site collaboration in Madrid. Ideal candidates will possess strong leadership skills and experience in both manual and automated testing, along with expertise in GraphQL and API testing. #J-18808-Ljbffr ...

Backend Engineer will have strong API and service development skills Experience working on transaction systems, payments, or eCommerce platforms is required Experience with GraphQL preferred Exposure to Elixir, Go, or similar backend technologies Ability to work effectively in ambiguous, fast-changing environments Code-Writing Contribution Owns and delivers production backend ...

interactions and purchasing flows Supporting localisation including language, currency, and regional UX Ensuring parity between mobile and web experiences Integrating with backend systems via GraphQL Optimising performance and reliability in real-time environments Key Responsibilities Develop and maintain mobile features across iOS and Android Collaborate with backend and frontend teams ...

into projects. Develop scalable backend services using Golang, NestJS, and TypeScript. Work with PostgreSQL and DynamoDB databases to manage data efficiently. Build and maintain GraphQL APIs for seamless data querying. Utilize AWS services including API Gateway, Lambda, RDS, S3, Step Functions, SNS, and SQS to deploy and manage cloud-native … framework. Proficiency in Golang, ReactJS, and TypeScript. Familiarity with AWS services. Experience with microservices architecture. Preferred Skills Experience with PostgreSQL and DynamoDB. Knowledge of GraphQL APIs. Experience with Docker. ...

Senior Java/AWS Engineer - Regulatory Reporting (Financial Services) London (Hybrid) | Permanent We're hiring a Server-Side Java/AWS Engineer to join a global investment management firm's regulatory reporting team. This is ...

modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools … side rendering or static site generation (Next.js). Exposure to AI/ML integrations or advanced analytics in a front‐end context. Familiarity with GraphQL or micro‐frontend architectures or enterprise‐grade front‐end tooling. What We Offer Salary: £70,000 – £75,000 + equity participation. Hybrid working model ...

We'relooking for an enthusiastic, diligent Golang Software Engineer to work on the global Loyalty and Benefits platform. The candidate should have excellent softskills,strong technical ability with an extensive passion to learn. A modern ...

Agentic Software Engineer | West London | Full-time | Hybrid (4 days onsite per week) Tech: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL, Claude Code, Cursor, Copilot, Codex or similar agentic tools We're hiring on behalf of a growing EdTech customer, a globally active education organisation with a genuinely … review Running parallel agent workstreams converging on shippable, tested output Working across a real enterprise stack: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL Translating between stakeholders and agents; turning ideas into working product fast enough that iteration feels like a conversation What they're looking for: 5+ years ...

priorities. What it takes: Experience in Test Driven Development and strong knowledge of Java (17 or higher), Spring Boot, Spring MVC, RESTFul API implementation, GraphQL, and open-source frameworks Experience in software development using cloud technologies (AWS preferred) Knowledge of build/deployment/testing/logging/monitoring tools … Python programming, regulatory/transaction reporting domain knowledge. Languages Python & Java.AWS technologies Lambda (Python 3.7 and above), S3 buckets Step functions SNS/SQS GraphQL IAM Roles CloudWatch/CloudTrail CloudFormation AppSync Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply ...

Doing • Build and optimise mobile-first applications using React Native (majority of work) • Contribute to web features using React • Integrate APIs using GraphQL & REST • Own features end-to-end — from design to deployment • Improve performance, reliability, and scalability of frontend systems • Work cross-functionally in a product-driven squad model … Requirements: Strong experience with React Native (non-Expo, production-level apps) Solid fundamentals in React & modern JavaScript (ES6+) Experience integrating GraphQL/REST APIs Strong understanding of mobile performance, debugging, and lifecycle Background in fintech, payments, or data-sensitive applications Ability to communicate clearly with technical & non-technical stakeholders Experience ...

areas: Enterprise-grade architecture Standardised patterns from intake → build → QA → deploy → measure. Secure by default, GDPR-safe, compliance-ready. Full-stack workflow automation Scalable GraphQL APIs, integrations, event-driven systems, monitoring/logging, error handling, and documentation that scales beyond you. What you’ll build (real scope) High-concurrency APIs … bring a strong point of view on how AI should reshape the engineering workflow, raising speed and quality without sacrificing correctness. Must-haves NodeJS, GraphQL (NestJS), PostgresSQL Data structures OOP principles Understanding of complexity principles and correct approaches Experience with AI and LLMs (including but not limited to Gemini) Strong ...

COSTAR GROUP - SENIOR SALES ENGINEER, MATTERPORT - LONDON OVERVIEW CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index ...

Principal Engineer l Architecture l Design l Coaching l Typescript l AWS l Kafka l GraphQL l Lambda l £550-£625 per day l Outside IR35 l twice a week in London l 3 months We're hiring a Principal Engineer to step into a critical gap on a large … your cv to and I'll be in touch! Principal Engineer l Architecture l Design l Coaching l Typescript l AWS l Kafka l GraphQL l Lambda l £550-£625 per day l Outside IR35 l twice a week in London l 3 months RSG Plc is acting ...