Senior C#.NET Software Engineer - Remote (12m Contract)

Scrums.com, Inc.; United States; Hybrid; USD 120,000 - 170,000; Full time

Job summary

Scrums.com is seeking a Senior C#.Net Software Engineer to join our remote-first team. You will contribute to backend services, APIs, and cloud apps for global clients, working asynchronously with engineers across time zones. The role is a 12-month contract, based in the USA, with start date around 2026-10-01.

You’ll partner with product and QA to deliver robust .NET solutions. Applicants should bring strong C#/.NET expertise, a track record of shipping scalable software, and a proactive,

Qualifications

• Seniority level: Senior.
• Workplace: Remote.
• Contract length: 12 months.
• Location: USA.

Tools

C#.Net

Job description

Join Scrums.com as a Senior Backend Engineer and take ownership of high-scale, cloud-native microservices powering mission-critical systems in regulated industries.Work at the intersection of modern .NET engineering, event-driven architecture, and production-grade data systems, with real influence over design decisions rather than just implementation.A chance to deepen your expertise in distributed systems and observability while working alongside experienced engineers on systems that genuinely matter, in fintech, banking, and enterprise SaaS environments.Ideal for an engineer who enjoys solving hard production problems, not just shipping features, and wants to work somewhere that values craft and ownership.

Responsibilities

• Design, build, and maintain cloud-native microservices using C# and .NET.
• Develop and optimise production MongoDB usage, including document modeling, indexing, aggregation pipelines, and query performance tuning.
• Build and maintain event-driven architectures using Apache Kafka.
• Design and implement REST APIs within a broader distributed systems architecture.
• Deploy and manage services on Microsoft Azure using containers and Docker.
• Own CI/CD pipelines, automated testing practices, and observability tooling.
• Troubleshoot and resolve production issues, taking responsibility for system reliability.
• Apply engineering rigour appropriate to enterprise SaaS, banking, mortgage, fintech, or other regulated-industry contexts.

Experience and education

• Strong hands-on experience with C#, .NET, and cloud-native microservices.
• Proven production experience with MongoDB, including modeling, indexing, and query optimisation.
• Experience with Apache Kafka and event-driven architecture patterns.
• Solid understanding of REST API design within distributed systems.
• Experience with Microsoft Azure and containerisation (Docker).
• Practical experience with CI/CD, automated testing, and observability practices.
• Demonstrated ability to troubleshoot and resolve production incidents.
• Experience in enterprise SaaS, banking, mortgage, fintech, or other regulated industries strongly preferred.