Senior Software Engineer | Contract | Remote
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 11d ago
The date the source published, not the day we noticed it (2026-10-22). Last seen at its source 3h ago.
We have tracked this listing since 22 Oct 2026 (11 days). The employer's own board has carried it every time we have read it, most recently 3 hours ago.
Is it remote?
The listing says yes
The location field doesn't say remote, so our assessment is based on the title or the description. Read the listing before applying.
Who may apply?
Mexico
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay $4,000–7,250/mo
Middle 50% of 15 listings that do state pay — Engineering · Senior · Mexico · USD/month. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
Greenhouse employer's own board first seen 11d ago · last seen 3h ago
The listing
About us:
Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.
The Role:
We are looking for a Senior Software Engineer with strong C#/.NET and Angular experience to build, integrate, and modernize software systems. This role requires hands-on experience with SQL Server, REST APIs, TypeScript, and Node.js, along with the ability to troubleshoot production issues and deliver reliable solutions in complex environments with limited documentation. The ideal candidate can do more than maintain existing code. They can build adapters, develop integration capabilities, and incrementally replace legacy functionality while minimizing disruption to existing systems.
Key Responsibilities:
- Develop, maintain, and enhance applications using C#/.NET and Angular
- Troubleshoot SQL Server queries, data access issues, and production performance problems
- Build and integrate REST APIs and system-to-system integrations
- Develop adapters and incremental replacement capabilities to modernize existing systems
- Work across TypeScript and Node.js codebases to support integrations and application functionality
- Implement automated tests to improve code quality, reliability, and maintainability
- Investigate and resolve issues in production systems with incomplete or outdated documentation
- Deliver incremental improvements while protecting existing functionality and minimizing operational risk
- Collaborate with engineering teams to understand existing systems, identify technical risks, and implement practical solutions
Requirements:
- Strong hands-on experience with C# and .NET application development
- Strong experience developing applications with Angular
- Solid experience troubleshooting SQL Server, including queries, data access, and performance issues
- Experience designing, developing, and integrating REST APIs
- Proficiency with TypeScript and Node.js
- Experience implementing automated tests and maintaining reliable software
- Ability to navigate, troubleshoot, and safely modify complex production systems with limited documentation
- Experience building adapters, integrations, or replacement components that allow legacy functionality to be modernized incrementally
- Strong problem-solving skills and the ability to work independently in existing codebases
Nice to have:
- Experience modernizing legacy applications or replacing legacy functionality incrementally
- Experience with complex system integrations and data migration
- Familiarity with strategies for reducing risk when deploying changes to established production systems
Employment Type:
- Contract
#LI-Remote
Tech Holding is proud to be an Equal Opportunity Employer and is committed to fostering a diverse and inclusive workplace. We welcome applicants from all backgrounds and experiences, and we consider qualified applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristic. If you require accommodation in the application process, please contact our HR