Senior Software Engineer, AI/Fintech - Remote

Unknown; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote work

AI-enabled delivery culture

Job summary

Unknown is seeking a Senior C#/.NET engineer to build ledger services and immutable records for financial systems, with a focus on reconciliation and banking platform integrations. You will develop high-concurrency APIs, ensure monetary accuracy, and work in a fully remote, AI-enabled delivery environment.

Expect strong PostgreSQL and Azure expertise, plus hands-on AI/LLM implementation. Collaboration across a distributed team, rigorous testing, and clear communication are essential to

Qualifications

• Senior-level C#/.NET with 5+ years experience.
• Strong PostgreSQL, Azure, and AI/LLM implementation skills.
• Excellent communication and testing capabilities.

Responsibilities

• Build ledger services, immutable records, and idempotent APIs.
• Ensure concurrency control and monetary accuracy.
• Integrate banking platforms and use Claude Code for delivery.

Skills

C# / .NET

PostgreSQL

Azure

AI/LLM implementation

Testing

Communication

Tools

Claude Code

Job description

Unknown is seeking a Senior C#/.NET engineer to build ledger services and immutable records for financial systems, with a focus on reconciliation and banking platform integrations. You will develop high-concurrency APIs, ensure monetary accuracy, and work in a fully remote, AI-enabled delivery environment.

Expect strong PostgreSQL and Azure expertise, plus hands-on AI/LLM implementation. Collaboration across a distributed team, rigorous testing, and clear communication are essential to