Software Engineer (Backend / Full-Stack) – Go, X.509, React Full Time NEW

Adecco

Software Engineer (Backend / Full-Stack) – Go, X.509, React
40,000 – 70,000 DOE + Benefits Fully Remote (UK)

About the Company

Join an innovative technology organisation operating at the cutting edge of secure communications and connectivity.
Our client develops next-generation communications solutions for organisations operating within highly secure, mission-critical environments.
Led by an exceptional engineering team, they are redefining how secure communications platforms are designed, deployed and managed. Their technology is already trusted by organisations operating within some of the world’s most demanding sectors, and with continued international growth, this is an excellent opportunity to join the business at an exciting stage of its journey.

The Opportunity

As a Software Engineer, you will play a key role in designing, developing and enhancing business-critical applications and services.
Working across backend and full-stack development, you’ll help deliver secure, scalable solutions while collaborating with a talented team focused on solving complex technical challenges.

What You’ll Be Doing

Designing and developing backend services using Go
Building and enhancing RESTful APIs
Creating and maintaining PostgreSQL databases and data models
Developing real-time and event-driven platform capabilities
Implementing secure authentication and communication mechanisms
Building React-based interfaces and operational dashboards
Supporting automated testing and CI/CD processes
Contributing to solution design and technical architecture decisions
Developing and extending internal tools and platforms
Collaborating with engineering teams across software, networking and infrastructure

About You

Backend Development
Commercial experience developing applications in Go (Golang)
Strong REST API development experience
PostgreSQL database experience
Knowledge of ORM frameworks, ideally GORM
Understanding of concurrent programming concepts including goroutines, channels and mutexes
Experience with Docker and containerised applications
Frontend Development
React development experience
Knowledge of React Hooks including useState, useCallback and useMemo
Modern JavaScript development (ES6+, async/await)
Experience integrating APIs using Axios or similar tools
Experience with modern CSS frameworks, ideally Tailwind CSS

Desirable Experience

mTLS and X.509 certificate management
HashiCorp Vault, Consul or Terraform
InfluxDB
Server-Sent Events (SSE) and WebSockets
Networking or embedded systems exposure
Data visualisation tools such as Recharts or D3
Distributed systems and scalable architectures

Additional Requirements
Must be eligible and willing to undergo security clearance
Sponsorship is not available for this position

What We Offer

Salary of 40,000 – 70,000 depending on experience
Fully remote UK-based role, although there may be the occasional opportunity to meet with colleagues in London
Flexible working arrangements
Exposure to interesting engineering challenges
Modern technology stack and tooling
Opportunity to influence technical direction and product evolution
Collaborative and highly skilled engineering environment

How We Work
High Ownership
We empower engineers to take responsibility for their work from concept through to deployment and ongoing improvement.
Resourcefulness
We value people who solve problems creatively and pragmatically while delivering meaningful results.
Collaboration
We encourage open communication, shared learning and cross-functional teamwork across software, networking and infrastructure.
Excellence
Our customers rely on secure, resilient communications where reliability matters. We take pride in delivering high-quality solutions and maintaining high engineering standards.

Have We Got Your Attention?

If you’re excited by the opportunity to work on cutting-edge secure communications technology and solve complex engineering challenges, we’d love to hear from you.

Apply via the link as soon as possible to avoid missing out on this fantastic opportunity.

About Adecco
Adecco is acting as an Employment Agency.
We are proud to be an Equal Opportunities Employer and are committed to creating an inclusive recruitment process for all applicants.
We are on the client’s supplier list for this role.