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: Work closely with founders in a small team, enjoying a hybrid work environment.
- 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 have previously raised and sold. They are 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 will 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 are shipping LLM-powered products. Exact tech match less important than strong backend fundamentals and a polyglot mindset.
You will 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 will 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 have 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 are 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) employer: Plan:it
Join a dynamic Series A fintech company in Farringdon, London, where you can make a significant impact on critical financial infrastructure. With a culture that promotes real ownership and autonomy, you'll work closely with exceptional second-time founders and have the opportunity to influence product development while enjoying competitive equity options and a supportive hybrid work environment. Experience growth in a fast-expanding company that embraces cutting-edge technology, including AI-driven solutions.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer - C# - (Hybrid Remote)
✨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 insider info or even a referral, which can give you a leg up in the hiring process.
✨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 interviews or coding challenges to get into the groove before the real deal.
✨Tip Number 3
Show your passion for ownership! During interviews, share examples of how you've taken projects from zero to production. Highlight your curiosity and how you’ve pushed back on requirements to ensure the end product truly meets user needs.
✨Tip Number 4
Don’t forget to ask questions! This is your chance to learn about the company culture and the team dynamics. Asking insightful questions shows that you’re genuinely interested and helps you assess if it’s the right fit for you.
We think you need these skills to ace Senior Software Engineer - C# - (Hybrid Remote)
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 of features from idea to production, so don’t hold back!
Be Authentic:Don’t be afraid to show your personality in your 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 requires a product owner mentality, so come prepared with examples of how you've taken features from concept to production. Highlight your experience in startups or any projects where you had real autonomy and responsibility.
✨Ask Thoughtful Questions
Demonstrate your intellectual curiosity by asking insightful questions about the company’s tech stack, their approach to AI, and how they envision scaling their platform. This shows you care about the bigger picture and are genuinely interested in contributing.
✨Be Ready for Technical Challenges
Expect a tech test and technical interview as part of the process. Practice coding challenges and be prepared to explain your thought process. They want to see how you tackle problems, so think aloud and share your reasoning during the interview.
