Junior Platform Engineer

Milltech

Milltech

Software Engineering

London, UK

Posted on Apr 22, 2026

Position: Junior Platform Engineer

Line Manager/Reports to: Platform & Infrastructure Manager

Education Level: Graduate or relevant work experience

Location: +/- 2 hours UK

Your mission

As Junior Platform Engineer you will be supporting the team in building and maintaining our build and deploy platform. You will learn DevOps philosophy and CI/CD practices, contribute to continuous improvement in velocity and quality, help establish AI usage controls, and grow your skills with guidance from senior engineers.

Your responsibilities in this role will include:

  • Assisting with the creation and maintenance of our build and deploy platform.
  • Support product streams and development teams to overcome blockers and ensure smooth delivery
  • Identify opportunities for automation and process improvement
  • Being hands-on with our pipelines, products, and processes
  • Assisting with sysadmin and tech support duties as required, and participating in knowledge-sharing sessions with the team
  • Using AI tools and assistants to accelerate day-to-day platform engineering tasks
  • Helping build and maintain controls, guardrails, and governance processes for AI usage across the organisation

Required skills:

  • 0–2 years of professional experience or relevant internship/placement experience in a DevOps or platform engineering role.
  • An awareness of DevOps philosophies and practices, with a willingness to deepen your knowledge
  • Basic familiarity with scripting (e.g. PowerShell, Bash, or similar).
  • Some exposure to version control (e.g. Git) and an eagerness to learn the broader DevOps toolchain (CI/CD platforms, configuration management, monitoring tools).
  • A high degree of personal honesty and integrity
  • A team player who communicates well and is open to feedback
  • A curious learner who enjoys picking up new technologies and frameworks
  • Good spoken and written English

Additional skills you may have:

  • Any exposure to cloud platforms (e.g. AWS, Azure)
  • Knowledge of any of the following JavaScript/TypeScript, .NET, Python,
  • Any exposure to tools such as TeamCity, Octopus Deploy, Docker, Datadog
  • Experience in the financial sector
  • Exposure to AI/ML platforms, prompt engineering, or building integrations with LLM APIs

What we offer in return?

Our commitment is to help you flourish in this role, through support with your professional development, opportunities to be involved in key projects, and exposure to challenges that you may not be offered in a larger organisation. We will provide:

  • A competitive salary with annual reviews;
  • 25 days’ paid annual leave plus an additional day per year of service;
  • Excellent staff development and training opportunities;
  • Flexible working arrangements including remote working;
  • Medical insurance;
  • Life insurance, for UK based employees;
  • Dental insurance;
  • EV Scheme and Cycle to work scheme;
  • Enhanced maternity and paternity leave;
  • 1 day off for charity work per quarter and many other benefits!

How to apply?

We would love to hear from you if you think that you’re a good fit for this role. To apply you should complete the online application form and upload your cv before the date the offer for this role closes. If you have a public GitHub account, please include a link in your application. One of the team will then be in touch with you to discuss the next steps.