Senior .NET Developer (Fintech)

Dating Group; Athens (GA); A distancia; USD 110.000 - 170.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work

27 paid days vacation

Paid sick leave

Referral bonuses

Learning support

Wellbeing Wallet

Home office budget

Family support

Long-term recognition

Descripción de la vacante

Social Discovery Group seeks a Senior .NET Developer for fintech back-end systems. You will build and maintain payment processing services, ensure reliability, and collaborate with AI-assisted development workflows.

You will design microservices with Azure, Docker, AKS, and databases such as MS SQL Server, MongoDB and Cosmos DB. Take ownership of code quality with tests and reviews in a fully remote, full-time role.

Formación

• 5+ years of professional experience with C# and ASP.NET Core.
• Experience designing microservices architectures.
• Hands-on with Azure, Docker, AKS, MS SQL Server, MongoDB and Cosmos DB.
• Experience delivering tasks with AI tools or agents and ability to explain code.
• Maintainable, well-tested, clean code with good ownership.

Responsabilidades

• Develop and maintain backend services for payment processing and back-office tasks: reconciliation, payouts, fee calculation, settlements, and the B2B dashboard.
• Build resilient integrations and asynchronous workflows (idempotency, outbox/inbox, sagas, retries, deduplication).
• Meet performance and reliability targets (p95/p99 latency, SLA/SLO), with monitoring and alerting.
• Deliver tasks with AI agents, validate generated code, add tests and fix defects.
• Review code, keep specifications up to date, and share knowledge with the team.

Conocimientos

C#

ASP.NET Core

Microservices

Azure

Docker

AKS

MS SQL Server

MongoDB

Cosmos DB

AI tools

Code quality

Herramientas

Azure

Docker

AKS

MS SQL Server

MongoDB

Cosmos DB

Descripción del empleo

Social Discovery Group ( (SDG) is a group of social discovery companies. SDG solves the problems of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG's products redefine the way people interact and connect with one another.

Our portfolio includes social entertainment platforms designed to connect people online across different cultures and regions of the world.

We bring together a team of like-minded people and IT professionals who specialize in creating and developing globally impactful social discovery products. Our international team of digital nomads works remotely from all over the world.

We're proud to be a two-time “Great Place to Work” winner (USA & Japan, 2024–2025) and a Top-5 Company for Work-From-Anywhere Jobs (FlexJobs, 2025).

We are looking for a Senior .NET Developer (Fintech).

Your main tasks will be:

• Develop and maintain backend services for payment processing and the back office: reconciliation, payouts, fee calculation, settlements and the B2B client dashboard;
• Build resilient integrations and asynchronous workflows (idempotency, outbox/inbox, sagas, retries, deduplication);
• Meet performance and reliability targets (p95/p99 latency, SLA/SLO), set up monitoring and alerting;
• Deliver tasks with AI agents , validate the generated code, add tests and fix defects;
• Review code, keep specifications up to date and share knowledge with the team.

We expect from you:

• ~5+ years of commercial experience with C# and ASP.NET Core;
• ~ Experience designing microservices;
• ~ Hands-on experience with Azure, Docker, AKS, MS SQL Server, MongoDB and Cosmos DB;
• ~ Real experience delivering tasks with AI tools or agents from task definition to a working result. You understand every line you ship and can explain it;
• ~ Clean, maintainable code with tests;
• ~ Ownership of results and open communication when something goes wrong; Nice to have: payments or banking background, spec-driven development, product or startup experience, mentoring or technical leadership.

What do we offer:

• REMOTE OPPORTUNITY to work full-time;
• The initial pay level or pay range for this role will be shared with candidates during the recruitment process and before the commencement of employment;
• Vacation 27 paid days per year from day one;
• Paid sick leave;
• Bonuses for recommending successful applicants for positions in the company;
• Learning support. Access to language lessons on Preply and educational courses on Coursera and other platforms;
• Wellbeing Wallet. After the integration period, you get up to €2,800 per year that can be spent flexibly on medical expenses, therapy, dentistry, pharmacy, fitness, sports activities and emotional wellbeing;
• Workplace organization. The company provides all the necessary tech equipment and a budget of €1,000 for setting up your home office or renting a coworking space;
• Family support. €1,000 gross for childbirth, marriage or bereavement, and an annual Child Support Benefit of up to €1,000 gross per child;
• Long-term recognition. A bonus for team members after three years of continuous service.