Looking to take your .NET expertise to the next level while working on high-impact FinTech solutions? This role offers the chance to contribute to scalable, cloud-native systems that empower thousands of businesses worldwide.
We’re seeking a Senior .NET Developer to join our team, collaborating with talented engineers, product managers, and designers to deliver innovative financial technology.
At Sigma Software, we work with some of the most forward-thinking companies in the industry. This opportunity will let you grow professionally while making a tangible difference in a fast-paced, regulated environment.
CUSTOMER
Our customer is a leading FinTech company providing embedded financing solutions for platforms and marketplaces. Their mission is to enable businesses to offer flexible credit products to customers, helping SMEs access funding quickly and efficiently.
The customer is recognized for innovation in embedded finance, serving thousands of businesses globally and partnering with major platforms. They operate in a regulated environment with a strong focus on scalability, performance, and security.
PROJECT
The project involves enhancing and expanding customer’s embedded finance platform, which integrates directly into partner services to deliver fast, flexible funding to SMEs. You’ll work on a modern tech stack, building features that improve customer and partner experiences while ensuring reliability in production.
Key Technologies: C#, .NET Core, Angular 18, AWS, CI/CD, Docker/Kubernetes, Kafka/RabbitMQ, Datadog, relational & NoSQL databases
- Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
- Write clean, maintainable, and well-tested code (unit/integration/e2e)
- Take ownership of features from requirements breakdown to deployment
- Deploy and monitor services in AWS cloud-native environments
- Handle production issues and incidents with accountability
- Collaborate with Product, Design, and Engineering teams in Agile practices
- Contribute to continuous improvement of systems and processes
- 5+ years of experience in software development with strong OOP and system design skills
- Solid hands-on experience with .NET (C#) and Angular
- Understanding of software testing concepts and practices
- Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
- Experience with relational and NoSQL databases
- Knowledge of non-functional requirements (performance, security, availability)
- Proven experience in FinTech, payments, banking, or regulated financial environments
- Upper-Intermediate English level or higher
WILL BE A PLUS
- Experience with Docker/Kubernetes
- Familiarity with event-driven architectures (Kafka, RabbitMQ)
- Proficiency with observability tools (Datadog or similar)
- Knowledge of domain-driven design (DDD) and complex domain modeling
PERSONAL PROFILE
- Growth mindset, curiosity, and proactivity
- Strong problem-solving skills balancing complexity and simplicity
- Feedback-oriented, open to giving and receiving constructive input
- Ownership & accountability in delivering commitments
- Team player with strong collaboration skills
- Adaptability to changing priorities
- Excellent communication skills across disciplines
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What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs.
Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts.
Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
