Senior Software Engineer

Contract:
Full-time
Location:
Belfast, UK
OR
Salary:
DOE
Team:
Engineering

About Ctrl Alt

Ctrl Alt is designing and operating the on-chain infrastructure powering digital capital markets globally. We bring together a unique blend of expertise in financial markets and cutting-edge in-house technology to deliver tailored, compliant solutions in the alternative assets space. Since launching in 2022, we’ve tokenized over $650m in assets across real estate, private credit, funds, litigation finance and more.

We’re building a high-performance, people-first culture where ambitious individuals can thrive. We move fast, think big and hold ourselves to a high bar, while keeping things collaborative, open and genuinely fun. At Ctrl Alt ideas win on merit, teams work closely with leadership, and everyone has a voice in shaping what we build next.

We believe that hard work should come with real reward. You won’t just join a company - you’ll help build one. Last year alone, we grew from 17 to 50 people, and this year we’re going faster and further. That means real responsibility, meaningful impact, and the opportunity to grow alongside a company that’s redefining the future of finance through the tokenization of alternative assets.

If you’re excited by scale-up energy, ownership, and the chance to help shape both a business and a culture, Ctrl Alt is where you can do the most rewarding work of your career.
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What's Involved

Note: We do not offer sponsorship for this role

  • Design, build and maintain high performing, flexible and scalable solutions
  • Build upon our existing app to create products and features that help our users understand their investments, manage their portfolios and participate in voting rights of their assets
  • Build APIs for our partners to access and place orders our platform
  • Take a loosely defined problem through to a valid, technically sound, thoroughly documented, tested, and implemented software solution
  • Collaborate with team members and other engineers across the company
  • Advocate best coding practices to raise the bar for you, your team and the company
  • Mentor engineers on your team supporting them in their growth

Requirements

Must Haves

  • 5+ years experience as a Software Engineer
  • Proficiency working with TypeScript/JavaScript backend frameworks (Express, NextJS or similar)
  • Comfortable writing backend code to be performant and efficient
  • Experience building RESTful application interfaces and designing APIs
  • Experience working as a part of a multi-person development team that utilizes automated testing, CI/CD pipelines and peer reviews in an Agile Environment

Nice to Haves

  • Strong engineering principles
  • Excellent communication skills - written and verbal
  • Experience in React and React Native

Benefits

  • Generous stock options
  • Belfast Office
  • IT Equipment - we'll provide you whatever you need to support your work (MacBook, display, accessories, etc)
  • Annual £500 learning and development budget for every employee to spend on books, training courses, exams, or anything else which helps you progress at work
  • The opportunity of having a real impact - You'll be thriving in a start-up where your work has a material impact on the business

How to Apply

Simply hit apply below, where you will be redirected to a form to fill out all relevant details. You will be asked to upload a CV and Cover Letter.

Interview Process:

  • Stage 1: Initial interview
  • Stage 2: Technical interview
  • Stage 3: Cultural interview
APPLY NOW
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