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Senior .NET Developer (Fintech)

Jobgether • Switzerland
Remote
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AI Summary

Senior backend engineer to build and maintain fintech services for payment processing and business operations. Develop scalable microservices, resilient integrations, monitoring, and AI-assisted delivery workflows. Requires 5+ years with C# and ASP.NET Core, Azure, Docker/AKS, SQL Server/MongoDB/Cosmos DB, and AI development tools.

Key Highlights
Senior .NET backend role for fintech payment processing and financial operations
Build and maintain microservices, integrations, monitoring, and automated tests
Requires 5+ years C#/.NET, Azure, Docker/AKS, SQL Server/MongoDB/Cosmos DB
Uses AI-powered development tools with responsibility for all delivered code
Fully remote full-time role with 27 paid vacation days and wellbeing benefits
Key Responsibilities
Develop and maintain backend services supporting payment processing and back-office operations
Design and implement resilient integrations and asynchronous workflows
Build and optimize microservices to meet performance and reliability objectives
Implement monitoring, alerting, and operational practices
Use AI-powered development tools and agents throughout software delivery
Review and validate AI-generated code
Write clean code and develop automated tests
Participate in code reviews and maintain technical specifications
Take ownership of deliverables and address defects

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Technical Skills Required
C# / ASP.NET Core Microsoft Azure SQL Server / MongoDB / Cosmos DB
Benefits & Perks
Fully remote, full-time work arrangement
27 paid vacation days per year
Paid sick leave
Performance-related referral bonuses
Learning and development support
Wellbeing Wallet up to €2,800 per year
Technical equipment plus €1,000 home office/coworking budget
Family support €1,000 gross for childbirth, marriage, or bereavement
Annual Child Support Benefit up to €1,000 gross per child
Long-term recognition bonus after three years

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Nice to Have
Background in payment processing, financial technology, or banking systems
Familiarity with specification-driven development practices
Experience working in product-oriented organizations or startup environments
Previous experience mentoring developers or providing technical leadership

Job Description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior .NET Developer (Fintech) based in Switzerland.

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Job Overview
Posted Oct 31, 2026
Employment Full-time
Experience Mid-Senior level
Location Switzerland
Category Programming
Company Jobgether
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