Principal Software Engineer Rust Low Latency

Principal Software Engineer Rust Low Latency

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This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

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Principal Software Engineer / Developer (Rust Golang) London / WFH to £110k

Are you a senior technologist with leadership skills?

You could be progressing your career working on bleeding edge, Machine Learning and AI powered, audio fraud detection software used by all UK banks, the emergency services and a range of other clients to prevent and detect fraudulent call activities at a market leading SaaS business.

As a Principal Software Engineer you will split your time between architecture, design, hands‑on coding and mentoring, team leadership and strategy. You'll collaborate with Product Managers and other technical team leads, contributing to strategy and keep the team on track for efficient delivery of high quality real‑time software. The tech stack is based on low latency Rust and Golang with a React front end.

There's an open, collaborative environment where learning and personal development are key and there's a strong pipeline of Greenfield projects as well as flexible working and a host of benefits; the company has been awarded Platinum standard by Investors in People and is multi‑award winning with various DEI initiatives and excellent personal growth and career development opportunities.

Location / WFH:

You can work from home most of the time, joining colleagues in the London two days a week; when you are in the office you can enjoy a friendly team environment that encourages knowledge sharing and close collaboration.

About you:

• You are an experienced backend‑focused Software Engineer with strong OO programming skills (e.g. Java, C++), ideally you will have commercial Rust and / or Golang experience but you can pick this up on the job.
• You have experience of engineering complex, low latency, real‑time solutions.
• You have experience of mentoring and providing technical leadership, you enjoy developing and coaching others.
• You have a thorough understanding of Computer Science fundamentals such as Data Structures, Design Patterns, OOP, multithreading.
• You have full software development lifecycle experience.
• You have advanced communication and stakeholder engagement skills.

What's in it for you:

As a Principal Software Engineer / Developer you will earn a competitive package:

• Salary to £110k + bonus.
• 25 days holiday (with the option to buy 5 more).
• Flexible working (including working from home start / finish times).
• Enhanced maternity and paid parental leave packages.
• Time off to participate in charity initiatives such as Code Club.
• Pension, Life Assurance, Medical care.
• Monthly Wellness budget to spend on what you like.
• Annual home office budget.
• Diverse, inclusive team culture with flexible working.

Apply now to find out more about this Principal Software Engineer / Developer (Rust Golang Low Latency) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.