Postúlate en Kit Empleo: kitempleo.com.mx/empleo/56yuj2
Join to apply for the Senior Software Engineer - Product Engineer role at Koltin
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At Koltin, we're redesigning the way we care for our moms, dads, and grandparents to help them remain healthy and independent for as long as possible.
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How do we do it?
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Through our health memberships, which provide personalized, preventive care to support our members' long-term well-being.
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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.
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About the role
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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.
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You'll work across the stack as needed, partnering closely with product, design, data, and operations.
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Success in this role means partnering with product to frame problems then taking them through production delivering secure, reliable, and maintainable systems.
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Identify with our Engineering Values (Ownership, Collaboration, Growth, Excellence, Sustainability).
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Drive end-to-end delivery of complex features or critical workflows.
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Lead debugging of complex production issues calmly, using metrics, logs, traces, and data inspection to test hypotheses and find root causes.
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Support other engineers through mentorship, pairing, and code reviews.
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Ensure data integrity and confidentiality, including observability and auditing where relevant.
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Care about engineering excellence (reliability, testing, maintainability).
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Are comfortable working across the stack while developing depth in one or two areas over time.
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What we're looking for
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~5+ years of experience building and shipping production software.
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Experience with web applications, APIs, and relational databases.
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Strong fundamentals in system design, debugging, and data modeling.
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Experience working with a mainstream language and web framework (e.g. PHP & Laravel, Ruby on Rails, Elixir & Phoenix).
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Solid experience with SQL and relational databases (e.g. MySQL/MariaDB, PostgreSQL).
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Experience writing automated tests (unit, integration, and end-to-end where appropriate).
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Experience collaborating in multidisciplinary teams (product, design, data, ops).
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Comfort operating in a high-ownership environment with changing priorities and quick iteration.
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Current stack
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PHP & Laravel, MariaDB, Vue.js, Inertia, Tailwind.
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Key Outcomes
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Projects you lead move from problem framing to production reliably (typically 1–4 weeks), delivering clear value to users and the business.
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Complex problems are broken down into well-scoped phases, with risks and trade-offs surfaced and managed early.
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Technical decisions balance simplicity, reliability, and maintainability, resulting in systems that are easy to operate and evolve.
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The quality of the codebase and production systems improves through your contributions (structure, testing, observability).
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The team benefits from reusable patterns and shared solutions that reduce duplication and cognitive load.
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Access to professional development tools and resources (courses, books, workshops, etc.)
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Unlimited virtual medical assistance (general practitioner, nutritionist, psychologist) for you and 3 family members
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Access to physical wellness tools (TotalPass)
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9 extra vacation days per year in addition to the legal minimum
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Private Major Medical Insurance
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All the equipment you need to do your best work
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$500 MXN monthly support for home office expenses
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One-time $2,000 MXN support to set up your home workspace
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If you're excited about this role but don't meet every requirement, we still encourage you to apply.
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We know that great candidates don't always match every bullet point.
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Apply in the following link:
Postúlate en Kit Empleo: kitempleo.com.mx/empleo/56yuj2
📌 Senior Software Engineer - Product Engineer (México)
🏢 Koltin
📍 México