Tech Lead Fullstack

They don’t just build software.

They weaponize integrations that move millions in payments and deliveries for the biggest fintechs and e-commerce players in LATAM.

From a unified API that collapses months of integration hell into days, to end-to-end custom platforms for global brands — they’re the silent engine behind revenue explosions at companies you already know.

90 people. Profitable. Growing fast, but deliberately. Backed by recurring contracts with Mercado Pago, VTEX, Shopify, PedidosYa, Rappi, Fiserv, Klarna, and dozens more.

What you’ll actually do

• Lead a squad of 4+ devs while staying dangerously hands-on (you still ship production code)

• Own the technical direction of multiple client projects and internal products

• Architect bulletproof integrations with payment gateways and logistics providers that refuse to behave on Fridays at 5pm

• Mentor engineers, kill blockers, and make sure nothing explodes in prod

• Report directly to the Engineering Manager (who reports to the CTO)

Requirements

• 3+ years slinging Nest.js (backend) + Next.js (frontend) in production

• Battle scars from integrating payment (Mercado Pago, Fiserv, Prisma, MODO, Conekta, etc.) and shipping APIs

• TypeScript mastery

• PostgreSQL and/or MongoDB fluency

• RESTful API design that doesn’t make seniors cry

• Testing muscle with Jest and/or Mocha

• You’ve led teams (1–2 years minimum, more is better)

• Agile isn’t a buzzword for you — you live velocity, cycle time, and unblocking people

Desired

• Design patterns that scale without drama

• AWS muscle memory

• English B2+

• Fintech or high-volume e-commerce war stories

Leadership and Management Skills

• Experience leading development teams in agile environments, promoting collaboration and continuous improvement

• Ability to define the project's technical direction and establish quality standards

• Skill in decomposing complex tasks and efficiently assigning them within the team

• Experience mentoring and supporting the professional growth of team members

• Ability to facilitate technical and design meetings, encouraging active team participation

• Skill in identifying and resolving technical and organizational blockers

• Experience managing stakeholders and effectively communicating with various areas of the organization

• Competence in measuring and enhancing team efficiency through agile metrics such as velocity, cycle time, lead time, and cumulative flow diagrams

• Ability to analyze performance data to identify bottlenecks, optimize workflows, and drive continuous improvement

Interpersonal Skills

• Excellent verbal and written communication skills

• Ability to work independently and make informed decisions

• Results-oriented with a focus on delivering customer value

• Proactive attitude and willingness to adapt to changes and new challenges

Benefits

• Half-year bonus (paid every 6 months)

• Monthly credits on Atlas on-demand benefits platform

• Referral program that actually pays

• Unlimited Udemy + Platzi

• Discount on language certifications & 15% off posgrados/MBA at UdeSA

• Annual company trip

• 10 vacation days + 5 casual days + birthday off

• New offices in Polo Dot (Olivos) with fruit, mate, coffee, and silence rooms when you need to escape home

• Laptop + welcome kit

Location: LATAM (Spanish-speaking), timezone ±2h Argentina. Remote-first.

If you live for turning payment-gateway chaos into boring, reliable revenue streams and want to lead while still writing code that matters — send your CV and the project you’re most proud of. Let’s move millions together ⚡