Senior Full Stack Software Engineer

Senior Full Stack Software Engineer

Full-Time 100000 - 110000 £ / year (est.) Hybrid
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At a Glance

  • Tasks: Build innovative fintech solutions and develop cutting-edge digital payment systems.
  • Company: Join an ambitious UK fintech revolutionising digital currency.
  • Benefits: Competitive salary, hybrid work model, and exciting career growth.
  • Other info: Collaborative environment with ownership over impactful projects.
  • Why this job: Be part of a transformative project in the fintech space with real impact.
  • Qualifications: 5+ years in software engineering, strong TypeScript and SQL skills required.

The predicted salary is between 100000 - 110000 £ per year.

Certus Recruitment is working with an ambitious UK fintech building a regulated stablecoin and digital payments platform. We are looking for a Senior Software Engineer to join at an early stage and help build the application, financial infrastructure and settlement technology behind the platform. This is a highly hands-on role, working closely with the Head of Engineering across back-end services, core systems and customer-facing applications.

The role

  • Back-end services and transaction workflows
  • Financial transaction and settlement systems
  • Compliance and authorisation logic
  • Database design and transactional integrity
  • APIs, event-driven architecture and shared schemas
  • Customer-facing and internal applications
  • Blockchain and on-chain settlement integration

You’ll be turning architecture and design documentation into robust, tested and production-ready software.

What we're looking for

  • 5+ years' professional software engineering experience
  • Strong back-end engineering experience
  • Experience taking systems from prototype through to production
  • Strong TypeScript and PostgreSQL/SQL skills
  • Experience with strongly typed languages
  • Rust experience is highly desirable, or a strong systems background with the ability to learn quickly
  • Experience with event-driven and transactional systems
  • Strong written communication and a design-led approach
  • Collaborative, hands-on and comfortable taking ownership

Experience in fintech, payments, banking, custody or financial infrastructure would be advantageous. Blockchain or stablecoin experience isn't essential, but you'll need an interest in developing your knowledge of on-chain systems.

The opportunity

Join at a genuinely formative stage and help build the technology behind a new regulated digital currency platform. You’ll have significant ownership across the stack, working on systems that will ultimately move from sandbox to regulated production.

Senior Full Stack Software Engineer employer: Certus Recruitment Group

At Certus Recruitment Group, we pride ourselves on being an excellent employer by fostering a dynamic and supportive work culture that prioritises employee growth and development. Our London-based hybrid role offers flexible working arrangements, structured training, and a clear progression path from Sales Development Representative to Account Executive, making it an ideal environment for ambitious individuals looking to thrive in the fast-paced SaaS industry.

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Contact Details:

Certus Recruitment Group Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Full Stack Software Engineer

✨Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Certus Recruitment Group or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

✨Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Certus Recruitment Group.

✨Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Certus Recruitment Group.

✨Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Certus Recruitment Group that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Full Stack Software Engineer

Back-end Engineering
TypeScript
PostgreSQL
SQL
Event-Driven Architecture
Transactional Systems
Database Design

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Certus Recruitment Group.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Certus Recruitment Group and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Certus Recruitment Group

✨Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

✨Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Certus Recruitment Group uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

✨Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

✨Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.