Back End Engineer

We’re a team that is embracing AI across the entire software development lifecycle, and so we’re looking for someone who is comfortable working this way and wants to push it further.

You will work within a cross-functional product team — alongside senior engineers, product managers, designers, engineers, QA, and domain experts — to iteratively refine and deliver solutions that align with both customer needs and our internal architecture.

Your responsibilities in this role will include:

• Development of back-end web application services
• Contribute to architecture decisions
• Discovery and integration of new technologies
• Support & maintenance of our codebase
• Use AI tools across your development workflow, and share useful techniques with colleagues
• Help to embed a culture of engineering excellence and continuous improvement

Required skills:

• A high degree of personal honesty and integrity
• 5+ years of professional work experience as a back-end engineer
• Strong understanding of Node.js and TypeScript
• Strong understanding of modern web application development (APIs, Services, Architecture, Security)
• Experience with distributed messaging systems (SQS, RabbitMQ, Kafka, etc.)
• Experience with event-driven, micro-service architecture
• A self-starter able to independently gain knowledge and use new frameworks
• Comfortable using AI tools in your development workflow
• Good spoken and written English
• A brilliant mind. A people-person (we need your mind and skills, but also your smile and personality)

Additional skills you may have:

• Experience building FX, Cash Management or Interest Rate financial systems
• Experience developing cloud native solutions in AWS (strongly valued, but not essential)
• Experience with IaaC
• Experience with Coding Agents and Context Engineering Practices

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;
• 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?

At MillTech we believe that diversity and inclusion are essential for fostering innovation and building a strong, supportive work environment.

We are committed to embedding the best equality and diversity practices into all our activities, making us an inclusive, welcoming, and exciting place to work.

We would welcome candidates from all backgrounds and experiences.

We would love to hear from you if you think that you’re a good fit for this role.

To apply you should upload your CV.

One of the team will then be in touch with you to discuss the next steps.