How do we do it? Through our health memberships, which provide personalized, preventive care to support our members' long-term well-being.
We are the first company in Mexico offering health memberships that include major medical insurance coverage for older adults-up to 84 years old-backed by BBVA Seguros Salud.
We're looking for a product-driven Senior Software Engineer to drive projects end to end, from unclear problems to shipped solutions focusing on impact. You'll work across the stack as needed, partnering closely with product, design, data, and operations.
Lead debugging of complex production issues calmly, using metrics, logs, traces, and data inspection to test hypotheses and find root causes.
Ensure data integrity and confidentiality, including observability and auditing where relevant.
Care about engineering excellence (reliability, testing, maintainability).
You use AI-powered tools to increase productivity and quality while retaining full ownership of decisions and outcomes.
Usually contained within a project.
Defines technical approaches for projects, balancing simplicity, reliability, and maintainability
Ensures the project has baseline observability (metrics, logs, exceptions) from inception
Plans and executes hypothesis-driven debugging using observability and production data




Coaches and unblocks more junior engineers helping them grow into broader ownership
Mentors more junior engineers through context-sharing, design discussions, and system framing
Project-level ownership of data correctness

Owns data quality, observability, auditing, confidentiality, and incident response for the project's data paths.
Designs monitoring from inception for data invariants and failure modes (e.g. missing records, duplication, stale or inconsistent states).
Partners with other functions to ensure engineering systems produce trustworthy, well-modeled data by default.
Champions engineering excellence (reliability, testing, maintainability)

Influences technical direction: how we structure code, how we test, and how we operate
Influences internal process improvements: reviews, testing and deployment practices
Leads by example in reviews, incident handling, and tech planning
Knows the numbers their project moves by heart, and drives it until they move

Access to professional development tools and resources (courses, books, workshops, etc.)
~ Unlimited virtual medical assistance (general practitioner, nutritionist, psychologist) for you and 3 family members
~ 9 extra vacation days per year in addition to the legal minimum
~ Private Major Medical Insurance
~ 700 MXN monthly support for home office expenses
~

📌 Senior Software Engineering (Ciudad de México)
🏢 Koltin
📍 Ciudad de México