FinomFI

Senior Backend Engineer C#/.NET (AI Accounting – Fully AI-Native Product)

Finom is a European fintech company offering an all-in-one financial platform for SMEs and freelancers, integrating banking, invoicing, and expense management. Founded in 2019 and headquartered in Amsterdam, Finom aims to simplify financial operations for businesses across Europe.

Finom

Employee count: 201-500

Cyprus only
About Finom
Finom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first platform.
Over the past two years, our team has fuelled exponential growth, securing $50 million in investments and propelling us into hyper-growth mode. We’re on track to become a unicorn start-up, backed by global funds like General Catalyst (known for supporting Airbnb, HubSpot, KAYAK, and Stripe). Finom has expanded its reach across 10+ EU countries, with a strong presence in key markets like Germany and France.
At Finom, we’re not just redefining the entrepreneurial experience—we’re empowering our employees to make a real difference. Your work matters, and your impact extends far beyond product metrics. We nurture innovation and an inspiring work environment where bold ideas thrive, prioritizing thorough research, swift implementation of solutions, and ensuring that every effort we make benefits our users, employees, partners, and our business as a whole.
Maintaining our start-up spirit, we prioritize thorough research, swift implementation of solutions, and ensuring that every effort we make benefits our users, employees, partners, and, of course, our business.
Working format:Cyprus: Relocation package is provided.Spain: we are only able to hire candidates who possess a DNI (for Spanish nationals) or a NIE linked to a valid working permit in Spain (for foreign nationals). Relocation support is not provided.Poland: employment will be under 'Umowa o Pracę' (UoP). Relocation support is not provided.
At Finom, we’ve always aimed to transform the financial lives of entrepreneurs across Europe. Now, we’re taking things further with AI Accounting—a bold, trailblazing initiative within Finom that’s redefining how freelancers and SMBs handle taxes, bookkeeping, and financial reporting.Think of us as a startup within the startup, laser-focused on building the first truly AI-native accounting product in Europe. No outdated interfaces, no endless paperwork—just smart automation, real-time insights, and a product that’s rewriting the rulebook for the self-employed. It’s bold, fast-paced, and loaded with impact.We’ve already earned the trust of global investors like General Catalyst (Airbnb, Stripe, HubSpot), secured $105 million in funding, and built a presence across 10+ EU countries. Now, with AI Accounting, we’re doubling down on innovation—and we want you on the journey.We’re Looking For:A Senior Backend Engineer with strong experience in C#/.NET, ready to shape the backbone of our next-gen AI-powered accounting system. You’ll be building services that interact directly with AI models and agents—and helping make AI part of the daily routine for thousands of users.If you’ve already worked on AI-driven systems or are curious and excited to dive into the world of machine learning, document understanding, or intelligent automation—that’s a big plus.

What You’ll Be Doing:

  • Design and develop scalable, high-performance microservices for the AI Accounting platform
  • Own and evolve key components in our ecosystem—from tax logic engines to document reconciliation services
  • Work hand-in-hand with AI engineers to connect backend systems with our LLM-based accounting assistant
  • Write elegant, maintainable C# code that helps automate accounting tasks across Europe
  • Solve challenging problems in high-load environments, with real-time data flows
  • Drive architectural decisions, shape best practices, and mentor others
  • Tech stack: .NET, PostgreSQL, Redis, RabbitMQ, Kafka, Kubernetes

Who You Are:

  • 5+ years of experience in backend development with C#/.NET
  • Experience with message brokers (RabbitMQ, Kafka)
  • Deep knowledge of PostgreSQL, especially performance tuning
  • Familiar with containerization and Kubernetes
  • Clean code advocate who writes testable and maintainable software
  • Strong problem solver, comfortable with ambiguity and autonomy
  • Proficient in English, ready to collaborate in a multinational team
  • Bonus points if you’ve worked with AI-driven systems, machine learning pipelines, or LLMs
Our Hiring Process:Recruiter Interview – 30 minTechnical Interview – 60–90 minTest TaskFinal Interview with Domain LeadersOffer 🎉
What You Will Get In Return
Make a genuine impact on the product
Join our upward trajectory, and grow with us. We provide the resources and opportunities for continuous personal and professional development, empowering you to make a genuine impact on our evolving product.
Work in the EU
Embark on this exciting journey with us and enjoy the flexibility of traveling and working remotely or in a hybrid model across Europe.
Become a stock options holder
Unlock your inner entrepreneur and align your aspirations with ours through our Stock Options Program. This exciting opportunity is available to every team member, from junior team members to our founders.
Receive unwavering support and care
Finom stands by you at every step, embodying our commitment to your well-being and success reflected in our modern, friendly, and eco-conscious corporate culture. We offer constant support and care to ensure your Finom experience is successful and fulfilling.
Work & Swim program
Immerse yourself in our exclusive Work & Swim Program. Spend one month in a comfortable corporate apartment in enchanting Cyprus. It's the ideal opportunity to strike the perfect work-life balance while enjoying breathtaking Mediterranean views.
Equal Opportunity Statement
At Finom, we're an equal opportunity employer and value diversity at our company. We embrace diversity and invite applications from all walks of life. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, disability status, or other applicable legally protected characteristics.

About the job

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Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Cyprus +/- 0 hours

About Finom

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Finom is a European fintech company headquartered in Amsterdam, founded in 2019 by a team of experienced entrepreneurs: Andrey Petrov, Oleg Laguta, Konstantin Stiskin, and Yakov Novikov. Our customers, primarily small and medium-sized enterprises (SMEs) and freelancers, often face challenges with traditional banking, including cumbersome administrative tasks and fragmented financial management. That's why we developed an all-in-one financial B2B solution designed to simplify their operations. Our platform integrates essential banking functions, accounting, financial management, and invoicing into a seamless, mobile-first experience. We understand that entrepreneurs need to focus on their core business, not get bogged down in financial admin. Finom's services are designed to save them time and money by providing fast onboarding and a comprehensive suite of online financial tools.

Our customers benefit from features like multi-banking, allowing them to connect and manage multiple bank accounts in one place, streamlined e-invoicing that helps them get paid faster, international payments, and robust accounting integrations. We are committed to providing a secure and reliable platform, working with licensed partners like Treezor in France and Solaris in Germany and Italy to offer local IBANs and ensure regulatory compliance. Having secured significant funding, including a €50 million Series B round in early 2024, Finom is in a strong position to continue its growth and expand its services across Europe. We are dedicated to empowering entrepreneurs by making financial management as easy as using a smartphone, helping them to thrive in the European economy. Our goal is to become the leading financial operating system for SMEs and freelancers, offering innovative solutions like AI-powered accounting and on-demand funding to meet their evolving needs.

Employee benefits

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Gifts from the company

Gifts from the company.

Corporate events

Company organized corporate events.

Vacation policy

20 days of annual leave and paid sick leave.

Wellness Budget

Mental health and fitness activity reimbursements.

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Finom

Company size

201-500 employees

Founded in

2019

Chief executive officer

Andrey Petrov, Yakov Novikov

Employees live in

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Finom hiring Senior Backend Engineer C#/.NET (AI Accounting – Fully AI-Native Product) • Remote (Work from Home) | Himalayas