Senior Software Engineer (Backend)
Quick Summary
Strong commercial experience in backend development with C# and .NET . Experience building and maintaining RESTful APIs and backend services.
At Appspace, we’re passionate about creating better work experiences for people everywhere, and we’re looking for people that feel the same way. Our global office locations and flexible work culture help you work wherever and however you’re at your best. Plus, we take the time to help you enjoy your work, build lasting connections, and grow your role. Join the Appspace team and be a part of a culture that’s helping people everywhere love where they work.
As a Senior Software Engineer (Backend), you will be responsible for designing, developing, and maintaining scalable backend services that support key product capabilities across our platform.
In this role, you will work closely with product, QA, and other engineering teams to deliver reliable, maintainable, and high-quality solutions. You will also contribute to technical discussions, help improve existing systems, and support the team in making sound engineering decisions.
- Design, build, and maintain backend services using C# and .NET.
- Develop and support REST APIs and service-to-service integrations.
- Work with microservices and asynchronous communication patterns in a distributed environment.
- Contribute to solutions involving MongoDB data modeling, query design, and performance considerations.
- Collaborate with other teams and services across the platform to deliver end-to-end functionality.
- Write clean, testable, and maintainable code, including unit and integration tests.
- Participate in technical design discussions, and continuous improvement initiatives.
- Help identify technical debt and propose practical improvements over time.
- Communicate progress, technical decisions, and trade-offs clearly with both technical and non-technical stakeholders.
- Strong commercial experience in backend development with C# and .NET .
- Experience building and maintaining RESTful APIs and backend services.
- Solid understanding of microservices and distributed systems.
- Experience working with NoSQL databases, ideally MongoDB, including data modeling and query design.
- Good understanding of asynchronous communication patterns and messaging systems such as RabbitMQ or similar tools.
- Hands-on experience writing unit and integration tests.
- Strong analytical and problem-solving skills, with the ability to reason through technical trade-offs.
- Good understanding of software design principles, maintainability, and clean code practices.
- Strong communication and collaboration skills, especially when working across teams and cultures.
- A positive, proactive attitude and a strong sense of ownership.
- Experience with Docker and containerized applications.
- Experience with CI/CD pipelines and engineering workflows such as Azure DevOps or similar tools.
- Familiarity with cloud-based environments, ideally GCP.
- Exposure to architectural patterns such as CQRS, DDD, or similar approaches.
- Experience with relational databases such as MySQL.
- Familiarity with AI-assisted development tools such as GitHub Copilot, ChatGPT, Cursor, or similar.
- Experience working in distributed teams or multi-service environments.
What We Offer
~1 min readAppspace is committed to equitable compensation practices and complies with all applicable local, state, and federal regulations. For jurisdictions that require pay scale disclosure, a general compensation range may be provided during the initial stages of the interview process. Final compensation will be based on multiple factors including experience, skills, certifications, and overall fit for the role.
If you are located in a jurisdiction with specific pay transparency requirements, we will be happy to discuss the relevant range during your application process.
Listing Details
- Posted
- April 1, 2026
- First seen
- March 26, 2026
- Last seen
- April 14, 2026
Posting Health
- Days active
- 18
- Repost count
- 0
- Trust Level
- 49%
- Scored at
- April 14, 2026
Signal breakdown

Appspace is a workplace experience platform that connects people, places, and spaces through digital signage, space reservation, an employee app, a modern intranet, and visitor management. Its mission is to help organizations create a workplace that employees love, whether they are in the office, remote, or on the frontline.
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