Senior (or Lead) Software Engineer - (Contract)

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 seeking a Senior (Or Lead) Software Engineer to join our team. In this role, you will be responsible for designing, building, and operating scalable backend systems, delivering clean and performant code, and contributing to the architectural direction of the platform. You will collaborate closely with other engineers and cross-functional partners to build reliable services, improve development tooling, and support high-quality software delivery while mentoring teammates and promoting engineering best practices.

Key Responsibilities:

• Develop and deliver clean, maintainable, performant code
• Help define the architectural strategy for the systems you own and contribute to architectural vision for the platform at large
• Review code and provide feedback on technical work on the team
• Build services and tooling to streamline the development process
• Mentor and coach less experienced engineers on the team
• Help define standards and best practices on your team for testing, software delivery, observability, contract definition, and so on
• Participate in sprint-related meetings such as standup, grooming, retrospective, and roadmap replenishment
• Encourage a culture of experimentation, prototyping and brainstorming across technical teams

Qualifications & Experience:

• 5+ years of experience as a software engineer, building and operating production systems at scale
• Strong proficiency in Java (Python or similar languages) and database technologies
• Experience integrating AI/ML capabilities (e.g., LLMs, recommendation systems, intelligent automation) into production backend systems is a strong plus.
• Strong analytical and troubleshooting skills
• You love to design, build, and operate domain-driven backend systems at scale
• You’ve worked in agile-ish systems, kanban systems, and more importantly hybrid systems
• You’re good at demystifying complex technical concepts for laymen and love to simplify complex ideas for curious teammates
• Automation has become a core value for you, and your systems can operate in production for long periods without human intervention
• You already can’t live without continuous delivery and know how to drive towards small, frequent deployments
• You know how to tune up observability up and down the stack

Nice to have:

• Experience with ecommerce is a big plus
• Bachelor’s degree in computer science or a related field is preferred

 

What we offer:

• Fully remote engagement across Mexico.
• Opportunity to work on high-impact client systems with real operational ownership.

Employment type:

• Contract

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