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Junior Platform Engineer role supporting DevOps processes, CI/CD pipelines, automation, and platform maintenance while gaining experience with cloud, AI tools, and infrastructure systems
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
Apply directly through the company website. Clicking the link below will open the application page in a new window.

Location: London, UK
Industry: Banking & Financial Services
MillTech is a regulated fintech company that builds automation tools for FX trading and cash management used by global financial institutions.
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