City of London, London, United Kingdom Hybrid / WFH Options
Staffworx
cloud environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into … tool-use patterns , function calling, and autonomous workflow design Proficient in designing asynchronous, event-driven systems and pub/sub messaging API-first mindset with deep knowledge of REST, GraphQL, and streaming protocols Infrastructure as Code using Terraform , AWS CDK or similar Experience with secure cloud deployments and production ML model integration Bonus Skills Applied work with multi-agent systems More ❯
and Data Lake/Warehousing Platforms such as Snowflake, Iceberg etc Experience of various ETL and Streaming Tools (Flink, Spark) Experience of a variety of data mining techniques (APIs, GraphQL, Website Scraping) Ability to translate Data into meaningful insights Excellent verbal and written communication skills Understanding of modern lean agile software development processes Disciplined management ability: caring about process, quality More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
team of 13. The ideal candidate will have 3-4 years' experience with a strong technical foundation, combined with a business and product-focused mindset. 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 … in code reviews, pair programming, and collaborative development practices Troubleshoot and debug issues to improve performance and reliability Qualifications: 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 ❯
this needs improving. They're also looking to add Databricks, with Unity Catalog, and are keen to optimise its use. They're moving away from a monolithic stack, adopting GraphQL for the new digital platforms, which will feature ML-driven content recommendations. You'll take ownership of the data architecture, working closely with our internal IT and DevOps teams, evolving More ❯
Python. CI/CD Mindset – You’ve worked with modern pipelines (Jenkins, GitLab, etc.) and value speed, feedback loops, and clean releases. API Testing Proficiency – Experience testing REST or GraphQL APIs using Postman, SoapUI, or similar. Performance & SQL Knowledge – Exposure to tools like JMeter or LoadRunner, and confident writing SQL queries for backend data checks. Curious & Forward-Thinking – Excited about More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Bounce Digital
Title: Lead Fullstack Engineer Salary/Package: £90k-£105k + Equity Company Sector: Fintech/Climate Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge/Bank) WFH/Hybrid: 2 days a week on site This is a unique opportunity with an existing client of ours to work on a greenfield climate project. The Opportunity We're More ❯
Lead React Engineer | TypeScript, React, Next.js, GraphQL | Analytics Company My client is a leading provider of intelligence and data solutions to major players in the asset management industry. With a workforce of over 600 employees, they are currently expanding their tech and product offerings during a period of rapid growth. They’re now hiring a Lead React Engineer to lead … leadership role. You’ll stay close to the code while also mentoring engineers, guiding architecture, and improving performance, reliability, and delivery across teams. The stack includes TypeScript, React, Next.js, GraphQL (Apollo), and modern CI/CD tooling. This is a hybrid role based in St. Paul's, typically 2 days a week in the office. The team is collaborative, product … and camaraderie. What you will bring: Strong hands-on experience building modern React apps in TypeScript Good knowledge of frontend architecture, performance, and testing practices Exposure to Next.js and GraphQL (Apollo) is a plus Comfortable leading teams and mentoring other engineers Solid grasp of version control (Git), build tools, and package managers Able to drive technical decisions, resolve conflicts, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Flow Engineering
Lloyd) Simple Made Easy (Rich Hickey) (First 25mins) 🖥️ Our Tech Stack Golang (Backend) Typescript/React/NextJS (Frontend) Terraform for managing infrastructure AWS for cloud Docker PostgreSQL database GraphQL, Hasura, Apollo Client Company benefits Equity options included in all offers 🏥 Private health care including mental health, dental and opticians 🕦 Flexible hybrid working policy - work wherever suits you best More ❯
City of London, London, United Kingdom Hybrid / WFH Options
trg.recruitment
for mid-weight engineers (4–6 years’ experience) who can hit the ground running and make a lasting impact. 🚀 React/Node Engineer Hands-on with Fastify, Next.js, and GraphQL Greenfield Product builds Worked with Azure SQL More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reward Gateway
lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding of mobile UI/UX More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Skillful
/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functional programming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just shipping features Able to get into London occasionally for team days (monthly is fine More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Skillful
/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functional programming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just shipping features Able to get into London occasionally for team days (monthly is fine More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Rullion Limited
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯
Design & build scalable backend services and data pipelines - written in Python and deployed with Docker & Kubernetes. Integrate with enterprise ecosystems- enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar). Wrangle large, heterogeneous data sets —model, transform, and index multi-modal, multi-terabyte enterprise datasets for advanced AI workloads More ❯
Software Engineer Requirements: Experience as a Senior, Staff or Principal level Software Engineer. Competent working across the full stack; TypeScript (Node.js & React), AWS (EKS, Lambda, Aurora RDS), Kubernetes, and GraphQL Experience embedding AI into products you have built. Experience designing large, distributed, data-driven, cloud-based products CI/CD, Infrastructure as Code, GitHub, Terraform, Helm Experience mentoring engineers at More ❯
of developers Ability to help in coaching and mentoring junior members of the team Desirable - experience with other development languages, frameworks and testing frameworks such as TypeScript, NodeJS, NextJS, GraphQL and Cypress Knowledge and experience with AWS Lambdas More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
and operation of innovative software solutions Strong skills in modern web development (React.js, Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. Lambda, Aurora RDS, EC2, ECS, SQS) Familiarity with CI/CD, DevOps practices, and common design patterns More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TRIFFT Loyalty
Symfony or Laravel) Strong understanding of modern architectural patterns (DDD, CQRS, Event Sourcing) Hands-on experience with Kubernetes and containerized deployments Solid experience designing and integrating APIs (REST or GraphQL) Experience with relational and non-relational databases Familiarity with CI/CD pipelines and automated testing Excellent problem-solving skills and a proactive mindset Excellent communication and teamwork skills, able More ❯
City of London, London, United Kingdom Hybrid / WFH Options
HUG
HUG is excited to partner with an innovative healthtech startup to recruit a number of Senior Software Engineers to join their UK team. This dynamic company is driving impactful solutions in the healthcare industry, offering a collaborative and fast-paced 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Switch Tech Talent
experience Work in a culture that values collaboration, creativity, and innovation 🧠 Tech Stack Includes : TypeScript, React/SolidJS, Node.js, REST APIs, Cypress, Vercel/AWS 🎯 Bonus Points : Astro, Tailwind, GraphQL, Shopify, Figma, accessibility If you’re a Senior Full Stack Engineer skilled in Node/React & excited by the idea of blending technical excellence with creative impact in the music More ❯
of experience in software development, with a strong focus on eCommerce technologies. Have substantial experience working with Shopify’s development ecosystem, including Shopify Plus, Liquid, Storefront API, Admin API, GraphQL, Shopify Functions, and third-party app integrations. Are also substantially experienced in HTML/CSS/JavaScript, React, PHP, and AWS. Have a proven track record of leading a small More ❯
