Senior .NET Engineer
Senior
Full time
Position overview
We are looking for a Senior .NET Engineer to drive one of our projects built on Fintech.Core, our modular white-label fintech platform.
The ideal candidate will lead a product module development and take ownership of both the technical quality and efficiency within a major client deployment. The role includes acting as a technical expert at the module domain level, responsible for making integration decisions, and ensuring alignment with security, reliability, and other non-functional expectations.
This position is well suited for a proactive engineer with solid experience in the fintech or related domain.
Project description A modular white-label fintech platform based on microservices architecture designed for financial institutions (e.g. challenger banks, PSPs, trading and payment platforms). The platform is cloud-agnostic by design and currently runs on AWS, using Kubernetes, .NET Core, PostgreSQL, gRPC protocol, RabbitMQ (MassTransit).
Current use cases
- A financial platform for a regulated institution with EMI and VASP licenses in the Philippines. The solution will combine digital banking and cryptocurrency services, including secure wallets, payments, remittances, and card issuing. A key part of the project is an in-house crypto trading module designed to provide a seamless and compliant experience for a growing global user base. The platform includes:
- Custodian wallets
- Liquidity management (Hot & Cold wallets)
- Crypto transfers
- KYT
- Trading (Matching Engine)
- Core banking
- Card issuing
- Payment processing
- A unified wealth platform combining banking, payments, digital assets, and institutional-grade yield within a single regulated ecosystem. It bridges traditional finance with modern digital markets, combining the security of licensed financial partners with the efficiency of stablecoin infrastructure. This delivers a frictionless user experience that empowers anyone to manage, earn, and spend instantly and globally. Built on a modular, compliant, and scalable architecture, it connects fiat banking, blockchain infrastructure, and off-chain yield engines into a single system. Key features include:
- Non-custodial wallets
- Vault engine (Smart Contracts)
- Investment in Vault
- Yield Accrual
- Card transactions processing
YOUR BACKGROUND
- At least 5 years of experience as a Software Engineer
- Experience with banking or fintech projects
- Understand the big picture and offer insightful advice about technologies and projects
- Strong problem-solving skills and the ability to manage and resolve team conflicts effectively
- Proficiency in designing and implementing software architectures
- Clean coding methodologies (SOLID, YAGNI)
- Professional .NET backend development experience
- Experience writing and using REST APIs using ASP.NET Web API
- Wide experience with Docker is required
- Experience with Kubernetes is required
- Databases: SQL {PostgreSQL, MySQL}, NoSQL {Apache Cassandra, Redis, MongoDB}
- Experience with queue (Rabbit, Kafka)
- English level - B2+
- Additional languages - Ukrainian/Polish
Skills that will be a plus:
- Experience in working with gRPC protocol
- Experience in solution design for complex microservice-based architectures
- Proven experience as a Tech Lead or similar leadership role in software development
- Excellent communication and interpersonal skills, with experience in client-facing roles
- Cloud: AWS
Responsibilities
- Lead product module development on Fintech.Core and take ownership of technical quality and delivery efficiency within a major client deployment
- Act as a technical expert at the module domain level and make sound integration decisions
- Ensure solutions align with security, reliability, and other non-functional expectations
- Design and implement scalable .NET backend services, APIs, and integrations across the platform
- Collaborate with the team and stakeholders to resolve technical challenges and keep delivery on track
WE OFFER
- 20 billable days off in the first year of cooperation, all next years - 25 billable days off
- Fair and competitive compensation
- Friendly team and enjoyable working environment
- Clearly described business processes in the company that really work
- Regular updates on company news, Q&A sessions with top management
- Flexible work schedule
- Remote work mode
- Ability to transfer unused vacation to the next year
YOU MAY FIND INTERESTING
Middle/Middle+ .NET Engineer
APPLICATION FORM
Apply for this position now!
Send us your CV - we’ll contact you.