At a Glance
- Tasks: Build and own backend services, taking features from idea to production with real autonomy.
- Company: Join a Series A fintech startup backed by experienced founders making waves in financial tech.
- Benefits: Competitive salary, equity options, private health cover, and generous holiday allowance.
- Other info: Work closely with founders in a dynamic, hybrid 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# / SQL Server) 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, generous holiday allowance, and a collaborative environment that fosters personal and professional growth.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer (C# / SQL Server)
✨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
Prepare for the tech test! Brush up on your backend fundamentals and be ready to showcase your problem-solving skills. We recommend doing some mock tests or coding challenges to get into the groove.
✨Tip Number 3
Show your passion for ownership! During interviews, share examples of how you've taken projects from zero to production. This will resonate with the founders and show them you’re the kind of person who thrives in a startup environment.
✨Tip Number 4
Don’t forget to ask questions! When you get the chance, inquire about the company's vision and how they see their tech evolving. This shows you're not just interested in a job, but in being part of something bigger. And hey, apply through our website for a smoother process!
We think you need these skills to ace Senior Software Engineer (C# / SQL Server)
Some tips for your application 🫡
Show Your Passion for Tech:When you're writing your application, let your enthusiasm for technology shine through! We want to see that you’re not just ticking boxes but genuinely excited about the role and the impact you can make in our fintech journey.
Tailor Your Experience:Make sure to highlight your backend engineering experience and any ownership you've had in previous roles. We love seeing how you've taken projects from zero to production, so don’t hold back on those details!
Think Like a Product Owner:In your application, demonstrate that you think beyond just executing tasks. Show us how you’ve contributed to architecture decisions or pushed back on requirements to focus on customer needs. We value that product mindset!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. Plus, it shows you’re keen to join our team!
How to prepare for a job interview at Plan:it
✨Know Your Tech Stack
Make sure you’re well-versed in C#, SQL Server, and any other relevant technologies mentioned in the job description. Brush up on your backend fundamentals and be ready to discuss how you've applied them in past projects. This will show that you have the technical chops they’re looking for.
✨Show Your Ownership Mindset
This role requires someone who thinks like a product owner. Be prepared to share examples of how you've taken features from concept to production. Highlight your experiences where you’ve pushed back on requirements or made architectural decisions, as this will demonstrate your ability to take real ownership.
✨Ask Thoughtful Questions
During the interview, don’t hesitate to ask questions that show your intellectual curiosity. Inquire about the company’s tech stack evolution, their approach to AI, or how they envision the platform scaling. This not only shows your interest but also helps you gauge if the company aligns with your values.
✨Emphasise Your Startup Experience
Since they’re looking for someone who has worked at a startup, make sure to highlight your relevant experiences. Talk about the challenges you faced, how you contributed to the team, and what you learned from those experiences. This will help them see that you can thrive in a fast-paced environment.
