cover image
Myn

Senior Backend Engineer

On site

Portsmouth, United kingdom

Senior

Freelance

30-10-2025

Share this job:

Skills

Java Kotlin PostgreSQL DevOps Docker Kubernetes Monitoring Architecture Recruitment Microservice Analytics Spring Spring Boot

Job Specifications

Role: Senior Backend Engineer
Location: UK
Salary: Competitive
Type Contract
Duration: 12 Months

Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions.

Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate.

Our client, launched in December 2023 and are already taking the developer world by storm! They are the end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product.

They are looking for a Senior Backend Developer to come on board and really make an impact. You will work alongside a small (but growing!) talented Backend Engineer team as part of a collaborative engineering team. You’ll have the opportunity to help shape the evolution of their backend architecture while contributing to a supportive environment that values innovation and quality.

Key Responsibilities:

Collaborate closely with the Head of Engineering and our wider engineering team.
Take shared ownership of our backend architecture, ensuring performance, scalability, and reliability.
Build and maintain high-quality code base using Kotlin, Docker and microservice architecture.
Contribute to a culture of excellence by reviewing code, mentoring peers, and sharing knowledge with the team.
Work with DevOps team to improve monitoring, supportability and reliability of backend services
Actively participate in team discussions, explaining your solutions clearly while remaining open to feedback and suggestions.

Requirements:

8+ years’ experience as a backend engineer
Kotlin (or Java) and Spring Boot knowledge
Standard Kotlin (Java) library & best practices
Design patterns
Performance optimisations
PostgreSQL knowledge
AI-savviness, curiosity and enthusiasm - proven optimisation of your workflows through AI
User level experience with Docker and Kubernetes
Experience working on a scalable high-available micro-service architecture platform
Fluent level spoken and written English is a must!

With Myn, you gain a trusted partner dedicated to helping experienced data professionals excel in their careers, connecting you with forward-thinking employers and impactful projects.

About the Company

Myn empowers top recruiters to build and grow their own businesses -- with no upfront costs, no limits, and up to 90% of fees kept. We partner with exceptional recruiters and forward-thinking employers to deliver faster, smarter, and more transparent hiring. Our platform covers the entire source-to-pay journey -- with integrated ATS, VMS, AI-powered sourcing, payroll, compliance, and candidate engagement. Whether you're building your recruitment brand or scaling your workforce, Myn connects you to what matters: results. Know more