At a Glance
- Tasks: Build and own backend services, taking features from idea to production with real autonomy.
- Company: Join a dynamic Series A fintech backed by experienced founders making waves in financial tech.
- Benefits: Competitive salary, equity options, private health cover, and generous holiday allowance.
- Other info: Collaborate directly with founders in a small team environment with excellent growth potential.
- Why this job: Make a real impact in a fast-growing company while working with cutting-edge AI technology.
- Qualifications: 3+ years of backend engineering experience and a passion for ownership and innovation.
The predicted salary is between 90000 - 115000 £ per year.
Software Engineers (Mid & Senior Level) £70,000 - £115,000 + shares (DoE) London / hybrid - 3 days per week in the office
Fintech - Series A funded. This is a rare opportunity. Early-stage enough to have real impact. Late enough to have real traction. The window where joining actually makes a difference.
Company: A Series A fintech backed by second-time founders who've previously raised and sold. They're building technology that sits inside critical financial infrastructure - already trusted by major Tier 1 banks, with US expansion underway.
The Role: This is a backend-heavy engineering role for someone who thinks like a product owner, not just an executor. You'll work across the stack and take real ownership end-to-end, from idea to production.
Key responsibilities:
- Build and own backend services across the core platform
- Work across frontend and infrastructure when needed - polyglot mindset valued
- Take features from requirements through to production with real autonomy
- Push back on requirements, think about the customer, and understand the bigger picture
- Contribute to architecture decisions as the team and platform scale
Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions. AI? YES - They're shipping LLM-powered products. Exact tech match less important than strong backend fundamentals and a polyglot mindset.
You'll be a good fit if you...
- Have 3+ years of backend engineering experience
- Have worked at a startup or owned something from zero to production
- Are intellectually curious - you ask questions, dig into problems, and care about the why
- Want autonomy and responsibility, not just tickets
Why join?
- Real ownership: Small team, big responsibility. You'll work directly with the founders and have genuine influence over what gets built and how.
- Exceptional founders: Second-time founders with a proven track record. They've done this before and know how to build a company that lasts.
- Equity that could matter: Strong equity options from day one.
- Expanding fast: Already live with major UK banks, US expansion underway. This is a business with real momentum.
- Working with AI & latest tech: They're actively shipping LLM-powered features into production - and there's real appetite to go further.
The Package:
- ~ Mid-level: £70k–£90k | Senior: £90k–£115k base (DoE)
- ~ Share options
- ~ Bupa private health cover
- ~ 25 days holiday + pension
- ~ Farringdon, London - hybrid, 3 days per week in the office (team lunches on Fridays!)
Interview Process:
- # Intro call with a founder or senior team member
- # Tech test and technical interview
- # Onsite - meet the team and learn more about the role
Senior Software Engineer - C# - (Hybrid Remote) in London employer: Plan:it
Join a dynamic Series A fintech company in Farringdon, London, where you'll have the opportunity to make a significant impact in a small team with big responsibilities. With exceptional founders at the helm, you'll benefit from strong equity options, a culture of autonomy, and the chance to work with cutting-edge technology, including AI-powered features. Enjoy a hybrid work model that promotes collaboration and team bonding through regular office days and team lunches.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer - C# - (Hybrid Remote) in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space or even those who work at the company you're eyeing. A friendly chat can sometimes lead to a referral, which is golden when it comes to landing that interview.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects that highlight your backend engineering chops, make sure to share them. It’s a great way to demonstrate your experience and passion for the tech stack they’re using.
✨Tip Number 3
Prepare for the tech test! Brush up on your coding skills and be ready to tackle real-world problems. Think about how you can showcase your polyglot mindset and backend fundamentals during the test.
✨Tip Number 4
Don’t forget to ask questions during your interviews! Show your intellectual curiosity by digging into the company’s vision and tech stack. This not only helps you understand if it’s the right fit for you but also impresses the interviewers with your engagement.
We think you need these skills to ace Senior Software Engineer - C# - (Hybrid Remote) in London
Some tips for your application 🫡
Show Your Passion:When writing your application, let your enthusiasm for the role shine through. We want to see that you’re genuinely excited about the opportunity to work with us in the fintech space and how you can contribute to our mission.
Tailor Your CV:Make sure your CV is tailored to highlight your backend engineering experience and any relevant projects you've worked on. We love seeing how you've taken ownership from idea to production, so don’t hold back on those details!
Be Authentic:Don’t be afraid to show your personality in your written application. We’re looking for someone who fits into our small team culture, so let us know what makes you tick and how you approach problem-solving.
Apply Through Our Website:For the best chance of getting noticed, make sure to apply through our website. It helps us keep track of applications and ensures you’re considered for this exciting opportunity to join our growing team!
How to prepare for a job interview at Plan:it
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially C#, Java, GoLang, and Python. Brush up on your backend fundamentals and be ready to discuss how you've used these technologies in past projects.
✨Show Your Ownership Mindset
This role values autonomy and responsibility, so come prepared with examples of how you've taken ownership of projects from start to finish. Be ready to discuss challenges you faced and how you overcame them, showcasing your problem-solving skills.
✨Ask Insightful Questions
Demonstrate your intellectual curiosity by asking thoughtful questions about the company’s tech stack, their approach to AI, or how they envision scaling their platform. This shows that you’re not just interested in the role but also in the bigger picture.
✨Connect with the Founders’ Vision
Since you'll be working closely with the founders, it’s crucial to understand their vision for the company. Research their background and previous successes, and think about how your skills can contribute to their goals. This will help you stand out as a candidate who aligns with their mission.
