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: Enjoy a hybrid work model with team lunches and exceptional career growth opportunities.
- 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# - FLEXIBLE WORKING 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 flexible working environment with hybrid arrangements, team lunches, and a commitment to employee growth and well-being.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer C# - FLEXIBLE WORKING
✨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 prowess, make sure to share it. It’s a great way to demonstrate your capabilities beyond just a CV.
✨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
Be yourself in interviews! The founders are looking for someone who fits their culture and shares their vision. Don’t hesitate to ask questions about the company’s direction and how you can contribute to their exciting journey.
We think you need these skills to ace Senior Software Engineer C# - FLEXIBLE WORKING
Some tips for your application 🫡
Show Your Passion:When you're 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 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: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 proactive!
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, demonstrating your problem-solving skills.
✨Ask Insightful Questions
During the interview, don’t hesitate to ask questions that show your intellectual curiosity. Inquire about the company’s vision for the future, their approach to AI, or how they handle architectural decisions. This will demonstrate your interest in the bigger picture.
✨Connect with the Founders’ Vision
Since you'll be working closely with the founders, it’s crucial to align with their vision. Research their backgrounds and previous successes, and think about how your skills can contribute to their goals. This will help you stand out as a candidate who truly understands the company's mission.
