Senior Software Engineer

About us

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.

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.

About the role

We’re looking for a Senior Software Engineer to help us design and build the backend infrastructure and APIs that will power our new mobile app and support the experience of thousands of older adults across Mexico.

You will play a critical role in enabling a secure, reliable, and scalable system to serve our members and operational teams.

More details below but we are looking for someone that can do things across the stack but is more inclined to the backend side.

You’re a good fit if you:

• Identify with our Eng Values.
• Owns end-to-end delivery of complex features or critical workflows
• Leads debugging of difficult production issues with calm and focus
• Coaches and unblocks others; mentors other engineers
• Champions engineering excellence (reliability, testing, maintainability)
• Identify with the T shaped model, which are generalists with a strong suit in one specific area. We are all engineers at our core no matter our specialization

Had experience with:

• Fiveish years of web development with the likes of PHP & Laravel, Ruby & Rails, Elixir & Phoenix, etc
• SQL and relational databases like MySQL/MariaDB, PostgreSQL
• Fast-paced startup environments
• Automated unit/integration/behaviour/etc tests
• Multidisciplinary teams, collaborating with designers, product management, data

Bonus points if you have:

• Familiarity with frontend frameworks like VueJS, React, Tailwind, etc. If not, there’s no worry as long as you are open to learning!
• Knowledge of our stack (it’s not a requirement, just a bonus): PHP & Laravel, MariaDB, VueJS & Inertia & Formkit, Tailwind.}

Key Outcomes:

• Able to drive projects from ideation to completion touching all stacks if needed, having an impact on the business and on our clients
• Scopes complex projects into phases and deliverables managing ambiguity, risks and tradeoffs effectively
• Defines and executes technical approaches balancing simplicity, reliability, and maintainability
• Influences technical direction within the team: how we structure code, how we test, how we operate
• Identify patterns and concepts that can be reused, promoting platforms within our codebase

How we hire:

Note: There might be a couple more steps in between if we see the need.

• Initial conversation with a recruiter: An intro call to get to know you, understand your background, and share more about the role and our company.
• Chat with our product leadership: We’ll dive deeper into your product thinking and how you approach user problems.
• Asynchronous technical exercise: You’ll tackle a real world like scenario to show how you plan, reason, and communicate solutions.
• Discussion with engineering leadership: A chance to explore your technical depth, decision-making, and collaboration style.
• Follow-up with engineering team members: Informal, peer-level conversations to get a feel for what working together would look like.
• Final chat with one of our founders: We’ll close the loop with a conversation about vision, culture, and long-term fit.

Perks & Benefits:

• 🎓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
• 🏈 Access to physical wellness tools (TotalPass)
• 🌴 9 extra vacation days per year in addition to the legal minimum
• 👓 Private Major Medical Insurance
• 💻 All the equipment you need to do your best work
• 💵 $500 MXN monthly support for home office expenses
• 💎 One-time $2,000 MXN support to set up your home workspace

Being aware that some groups don’t apply even if they are qualified, this is a reminder to apply even if you think that you don’t tick all the boxes!