Full-Stack Developer (Node/React)

SR2; London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading consultancy firm in London is seeking a Full Stack Developer with strong backend experience in Node.js and proficiency in React.js. The position is hybrid, requiring 2 days onsite per week. The successful candidate will design and develop scalable digital solutions for government partners. This is a 6-month rolling contract, starting ASAP, with a potential for 2-3 years of work.

Qualifications

• Strong backend experience using Node.js, including Express, NestJS, or Gatsby.
• Proficient frontend experience with React.js.
• Comfortable working with Docker and Kubernetes for containerised deployments.
• Experience with PostgreSQL and other database technologies.
• Solid grasp of microservices architecture.
• Hands-on experience with Kafka for distributed data streaming.

Responsibilities

• Help design, develop and deliver intuitive digital solutions for government partners.
• Build synthetic environments that model real-world systems.
• Work as part of a multidisciplinary team to deliver high-quality products.

Skills

Backend experience using Node.js

Frontend experience with React.js

Comfort with Docker and Kubernetes

Experience with PostgreSQL

Microservices architecture understanding

Hands-on experience with Kafka

CI/CD practices

Git workflows

Tools

Node.js

Docker

Kubernetes

React.js

PostgreSQL

Kafka

Job description

Overview

Full Stack developer (Node/React) | Hybrid | Inside IR35 | £550-£650 a day | Start ASAP | 6 month rolling contracts | 2-3 year programme

SR2 are working with a consultancy on a specialist consultancy who are on a mission to empower decision-makers with transformative technology. We're currently seeking a Full Stack Software Engineer to join on a contract basis to help design, develop and deliver intuitive, scalable digital solutions for our government partners. You\'ll work as part of a multidisciplinary team, helping to build synthetic environments and decision support tools that model real-world systems—from transport networks to terrain and population dynamics.

Although this is a Full Stack position, our client are looking for someone who is particularly strong on the Back-end; as such, the successful candidate will have started their career as a Back-end Developer, and recently transitioned into Full Stack.

Responsibilities

• Help design, develop and deliver intuitive, scalable digital solutions for government partners.
• Build synthetic environments and decision support tools that model real-world systems (e.g., transport networks, terrain, population dynamics).
• Work as part of a multidisciplinary team to deliver high-quality software products.

Required Qualifications

• Strong backend experience using Node.js, including Express, NestJS, or Gatsby.
• Proficient frontend experience with React.js.
• Comfortable working with Docker and Kubernetes for containerised deployments.
• Experience with PostgreSQL and other database technologies.
• Solid grasp of microservices architecture, RESTful and gRPC services.
• Hands-on experience with Kafka for distributed data streaming.
• Experienced with CI/CD practices, Git workflows, and automated testing.

Overview / Contract details

• Hybrid
• 2 days a week onsite in London
• Inside IR35
• Start ASAP
• 6 month rolling contract
• 2-3 years worth of work

Please apply with a copy of your CV and Emma from SR2 will contact potential candidates regarding next steps.