Senior Backend Software Engineer in London

Senior Backend Software Engineer in London

London Full-Time 48000 - 84000 £ / year (est.) On-site
F

At a Glance

  • Tasks: Lead the development of innovative features and solve complex problems in a dynamic environment.
  • Company: Join Freetrade, a forward-thinking company reshaping the investment landscape.
  • Benefits: Enjoy competitive salary, hybrid working, and comprehensive health benefits.
  • Other info: Be part of a diverse team with excellent career growth opportunities.
  • Why this job: Make a real impact on how customers invest and grow their wealth.
  • Qualifications: Experience in backend software development and a passion for problem-solving.

The predicted salary is between 48000 - 84000 £ per year.

About Freetrade

Freetrade's mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We're changing that. We're building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you're driven by solving complex problems and building innovative products, you'll fit right in.

2025 is a big year for us. In January, we announced a game-changing deal to become part of the IG Group. We'll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we're accelerating our roadmap and taking our products to the next level. We're building new features like mutual funds, bonds, and family investment tools. We're also exploring how we can leverage AI to deliver an even better experience for our customers.

We run a cloud-first environment and make use of many Google Cloud Platform tools such as Firestore, Google Kubernetes Engine, PubSub and Cloud SQL to build a reliable and performant platform with services implemented using Typescript. This is a high-visibility environment where you will make a direct positive impact on customer experience and the business. If you enjoy broadening your technical skills, building a new product, and working in an environment that thrives on creativity, experimentation, and innovation, then this is the job for you!

Why Join Our Engineering Team?

Be part of a team that's shaping the future of investments. As an engineer, you'll play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle complex technical challenges, drive innovation, and build solutions that make a real impact. Here, your code doesn't just run - it powers the decisions of investors across the UK. Join us and turn ideas into reality.

We are looking for a Senior Backend Software Engineer to play a pivotal role in our engineering team. In this position, you'll lead the end-to-end delivery of complex, impactful features, showcasing a passion for independent problem-solving and a drive to scale our next-generation, user-focused product. Our team would suit someone who thrives in a dynamic, fast-paced environment and enjoys building innovative solutions.

Key Responsibilities & Your Impact

  • Lead the end-to-end process for development projects and new features from design → development → post-production including having an aptitude for software validation.
  • Collaborate frequently with an emphasis on sharing knowledge through team discussions & workshops whilst developing and mentoring more junior members of the team.
  • Set the standards for code reviews across the business and general software engineering best practices.
  • Follow and continually improve upon our coding documentation and company development standards.
  • Thrive in an on-call environment and be the escalation point for high-priority issues with the ability to triage and escalate when necessary.
  • Be an excellent judge of future talent for Freetrade helping us achieve our bold expansion objectives by taking part in (and sometimes leading) technical interviews ensuring a consistent bar is met.
  • Constantly assess the development landscape looking for opportunities to increase efficiencies across the engineering team.

About You & What You Bring to the Team

  • Invites participation and devolves responsibility for software design, constructively working to level up the capability of other engineers in your squad.
  • Set high standards for your squad in terms of software quality and delivery performance. You speak candidly when standards are not met and work with your team to continually raise the bar.
  • Have the skills to competently work on complex and unknown problems under pressure.
  • Deep understanding and obsession with the details.
  • A love for the world of investments.
  • Up to date with technology to influence good practices.

Benefits & Interview Process

Freetrade is the place to accelerate your career. Our benefits package and ways of working are designed to attract and retain the most talented people who are dedicated to making an impact at Freetrade.

Here's what's on offer in 2025:

  • Hybrid working culture: We're operating in a hybrid model: 3-days in-office / 2-days from home. We believe great collaboration happens in person and our offices in central London and Budapest are designed to bring people together.
  • Office days: Monday, Tuesday, Thursday
  • Work from home days: Wednesday, Friday
  • This setup helps us stay connected, collaborate more effectively, and keep building a culture where we all do our best work together, including dedicated days for focus work.
  • Flexibility for those who need it: We have a hybrid working model, but life happens. If you need flexibility let's talk about it, whether you're a parent or have other care responsibilities.

Values

At Freetrade we live and breathe our values: Honesty, Focus and Grit. Expect to be asked about these in your interview!

Benefits In London:

  • Competitive salary – carefully benchmarked.
  • Bonus Scheme: join us and share in our growth. Bonuses are linked to both company success and your individual impact. First payouts: July 2026.
  • Holidays – 25 days plus UK public holidays. Your birthday off, plus one extra day for every year at Freetrade.
  • Enhanced pension – We'll match your contributions up to 5%.
  • Group Life Insurance – Protect your loved ones with coverage at 5x your salary, ensuring financial security in any circumstance.
  • Private Health Insurance - Which includes access to high quality medical care, mental health support, dental and vision plans, Wellness programs and preventative care initiatives are also provided to ensure the wellbeing of your entire family.
  • Income Protection Cover – Safeguard your income with comprehensive coverage, ensuring financial stability in the event of illness or injury.
  • Enhanced parental leave – Time off when it matters most.
  • Flexibility for those who need it – We're office-first, but life happens. Whether you're a parent or have care responsibilities, we focus on output and trust you to manage your time.
  • Learning & Development – We fund industry qualifications so you can grow as a financial services professional.
  • Cycle to Work scheme – Get a high quality bike and gear through our salary sacrifice scheme, spreading the cost with tax free monthly installments.
  • Paid Sick Leave – Receive 10 days of fully paid sick leave each calendar year.
  • Following the close of the deal to become part of IG Group, you can expect that our benefits package will further improve to align with the benefits on offer.

Interview Process

We keep things simple and transparent. Our process typically includes:

  • Initial interview – A chat with one of our Senior Talent Partners.
  • Hiring Manager interview – A deep dive into your skills and experience.
  • Live Coding – Show us how you think and solve problems.
  • System Design – We'll explore how you design systems to handle real-world challenges.
  • Executive interview – A conversation with our stakeholders, where we also assess cultural fit.

We are an Equal Opportunity employer committed to a diverse and representative team. Whatever your race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability - we want to hear from you.

To find out more about how we look after your personal data when you apply for a job with us, please see our Recruitment Privacy Policy here.

Senior Backend Software Engineer in London employer: Freetrade

Freetrade is an exceptional employer that prioritises a customer-first mindset and fosters a collaborative, high-performing culture across its London and Budapest teams. With a commitment to continuous improvement and employee development, team members are empowered to make impactful decisions while enjoying the flexibility of a hybrid working model. Joining Freetrade means being part of a mission-driven company that values diversity and innovation, making it an ideal place for those looking to grow in a dynamic environment.

F

Contact Details:

Freetrade Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Backend Software Engineer in London

✨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 Freetrade 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 Freetrade.

✨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 Freetrade.

✨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 Freetrade 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 Backend Software Engineer in London

Backend Development
Typescript
Cloud Computing
Google Cloud Platform
Firestore
Google Kubernetes Engine
PubSub

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 Freetrade.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Freetrade 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 Freetrade

✨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 Freetrade 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.