Senior Fullstack Engineer (Python – Go- React)

About the Position

We are looking for a Senior Fullstack Engineer to build reliable backend services for trading simulation workflows using Python, Django, and Go. You will shape scalable architecture and API contracts, support integrations with payment providers, and contribute to focused frontend tasks in React and Next.js while working closely with product and engineering teams.

Responsibilities

• Lead backend feature development using Python, Django, and Go for trading simulation workflows.
• Design, document, and maintain API endpoints used by frontend applications.
• Implement scalable backend logic for trading, risk, account-related operations, and third-party payment integrations.
• Collaborate with frontend engineers to maintain consistent data structures and integration logic.
• Support focused UI features and bug fixes using React and Next.js.
• Write comprehensive automated unit and integration tests for backend components.
• Deploy and validate services in Kubernetes development environments, and troubleshoot production and pre-production issues.
• Participate in technical design discussions and mentor other team members.

Requirements

• 5+ years of experience in backend or full-stack development.
• Strong expertise in Python and Django, including designing stable, scalable backend services.
• Practical experience with Go for microservices or backend components.
• Solid knowledge of relational databases, particularly PostgreSQL.
• Experience designing, documenting, and consuming API contracts for frontend applications.
• Ability to complete basic development tasks using React and Next.js.
• Practical experience with trading or a good understanding of terminology such as tick, bid, ask, buy, and sell.
• Experience integrating payment systems, such as Worldpay or similar providers, and working with Kubernetes development or testing environments.
• Strong unit and integration testing discipline aligned with the Definition of Done, together with clear communication and cross-team collaboration skills.

We Offer

Your time off

• Up to 15 paid vacation days annually
• Additional unpaid days off
• 19 Colombian public holidays

Learning & growth

• Sombra University workshops and internal learning programs
• Tech Communities and knowledge sharing sessions
• Language courses and workshops
• Mentorship opportunities
• Access to the Platzi online learning platform

And even more

• Company-provided work equipment
• Internal referral program
• Bonuses for getting married or the birth of a child
• Sombra events and internal initiatives

About the Company

Sombra is a company dedicated to providing innovative solutions in the fintech sector. We value our employees' growth and offer a dynamic work environment that encourages collaboration and continuous learning.

Before you apply

Our recruitment team will carefully review your profile, and if we see a good match with the role, we’ll reach out to you shortly.

If you don’t hear from us within 5 business days, it means we’ve decided to continue the process with other candidates for this position. Thanks for understanding.

Carlin Acosta

Recruitment Partner

Apply now!

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