Senior Software Engineer (B2B)

Platzi; Bogotá, Medellín; On-site; MXN 900,000 - 1,300,000; Full time

Benefits offered by this job

Laptop and equipment provided

Kindle books for professional growth

Parental leave benefits

Equity / stock options

Vacation days (15+ per year)

Job summary

Platzi in Mexico City is seeking a Senior Software Engineer to design and own the systems used by companies to train their teams. You will own data models, services, and integrations, ensuring performance, reliability and cost efficiency under load.

You will work on AI-powered, B2B products, collaborating with cross-functional teams and mentoring others while maintaining a strong focus on business outcomes and long-term maintainability.

Qualifications

• 5+ years shipping and operating software in production.
• Strong fundamentals: data modeling, APIs, performance, concurrency and failure modes.
• Experience building B2B / SaaS products.
• Owned a system through real scale or a migration.
• Ability to explain tradeoffs to non-technical stakeholders.
• Fluent English and Spanish.

Responsibilities

• Design and build services, data models and interfaces that scale with product growth.
• Own production systems: performance, reliability, cost and recovery.
• Translate business problems into features and measure impact.
• Make architecture decisions and defend them, avoiding unnecessary complexity.
• Leverage AI/LLMs to accelerate design and review processes.
• Improve code quality through reviews, standards, and early validation.

Skills

Data modeling

APIs

Performance

Concurrency

Failure modes

B2B SaaS

System ownership

English/Spanish

Job description

About Us

Platzi is the largest technology school in the Hispanic world with over 7 million students and 4,000 companies trusting us to deliver effective online education. Our mission is to make Latin America a technology superpower. We do it by training companies and individuals in areas such as AI, Cybersecurity, English, Programming and Leadership. As an industry leader, our presence is highlighted by our massive and fanatic community, extensive press coverage and a daily stream of success stories from students. We operate mostly remote, with key offices in Bogotá, Medellín and Mexico City.

Summary

As a Senior Software Engineer at Platzi you build and own the systems that companies use to train their teams with us: the data model, the services, the integrations, how they behave under load, and how they recover when they break. You join a team focused on our B2B business, building AI-powered products for companies, and you report to the Engineering Manager. Seniority here means judgment, not distance from the code. You take an ambiguous problem and come back with a decision you can defend, including the decision not to build. You care about the business problem behind every feature and about what your code costs to run and to maintain a year from now, not only about getting it merged.

Responsibilities

Design and build services, data models and interfaces that hold up as the product and the traffic grow. Own what you build in production: performance, reliability, cost, and how it recovers when it breaks. Start from the business problem: understand what customers and internal teams need, translate it into a feature, and measure what it delivered. Make architecture decisions you can defend, and say no to complexity that doesn't pay for itself. Use AI and LLMs to go faster on design, implementation and review, and review what they produce as strictly as your own code. Raise the bar around you through code review, standards, and the calls that stop bad decisions early.

Requirements

1. At least 5 years shipping and operating software in production, with real depth in system design.
2. Strong fundamentals: data modeling, APIs, performance, concurrency and failure modes.
3. Experience building B2B / SaaS products.
4. You've owned a system through real scale or a migration, and can explain what you'd do differently now.
5. You can weigh a technical decision against what the business needs, and explain the tradeoff to people who don't code.
6. Fluent English and Spanish.
7. Nice to have Experience working directly with customers or close to commercial, customer success or support teams.
8. Experience building products on top of LLMs.

Benefits

• With Platzi's help, you will have 100% of the necessary work tools such as a laptop, smartphone, desk, ergonomic chair, monitor, and other accessories.
• We provide you with all the books you need to grow professionally on Kindle, and we give you the Kindle too.
• At Platzi, we believe in gender equity and the importance of parents in the upbringing and care of their children. We make this a reality for new mothers and fathers through extended maternity and paternity leave.
• All members of the Platzi Team have the opportunity to own a part of Platzi and have company shares.
• You have 15 days of vacation per year regardless of the country you are in, starting from the moment you join the team.
• We care about your emotional health by covering the first four online therapy sessions with specialized companies.
• Although we are in different parts of the world, Platzi teams meet in person during the year to exchange ideas, build, and strengthen bonds.
• Every year, the entire team gathers somewhere in the world for a week to meet face-to-face, get to know each other, have interesting discussions, and plan ambitious projects.