Senior .NET Backend Engineer - Fintech, Remote

Dating Group; New York (NY); Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Remote opportunity

Vacation 27 paid days

Paid sick leave

Referral bonuses

Learning support

Wellbeing wallet

Home office budget

Family support

Child support benefit

Job summary

Social Discovery Group is seeking a Senior .NET Developer (Fintech) to build and maintain backend services for payments and the back office. You will design and implement microservices, integrate with Azure, Docker, AKS, and NoSQL databases, and ensure reliability and performance targets.

You will also work with AI tools to generate and validate code, add tests, and improve systems. A strong emphasis on ownership, clear communication, and high-quality delivery is expected.

Qualifications

• 5+ years of commercial experience with C# and ASP.NET Core.
• Experience designing microservices architecture.
• Hands-on with Azure, Docker, AKS, MS SQL Server, MongoDB, Cosmos DB.
• Experience delivering tasks with AI tools or agents and explaining code.

Responsibilities

• Develop and maintain backend services for payments and back office.
• Build resilient integrations and asynchronous workflows (idempotency, outbox/inbox, sagas).
• Meet performance targets (p95/p99 latency) and set up monitoring/alerts.
• Deliver tasks with AI agents, validate code, write tests, fix defects.
• Review code and maintain up-to-date specifications.

Skills

C#

ASP.NET Core

Microservices

AI tools experience

Code testing

Ownership & communication

Performance tuning

Tools

Azure

Docker

AKS

MS SQL Server

MongoDB

Cosmos DB

Job description

Social Discovery Group is seeking a Senior .NET Developer (Fintech) to build and maintain backend services for payments and the back office. You will design and implement microservices, integrate with Azure, Docker, AKS, and NoSQL databases, and ensure reliability and performance targets.

You will also work with AI tools to generate and validate code, add tests, and improve systems. A strong emphasis on ownership, clear communication, and high-quality delivery is expected.