Full Stack Software Engineer

Job Title: Full Stack Software Engineer

Type: Full-Time

Location: Remote LATAM

Industry: Fintech

Tech Stack Frontend: React.js (TypeScript), Next.js (bonus) Backend: Node.js with NestJS (TypeScript) Database: PostgreSQL Cloud: AWS

About Us:

At Puzzle, we specialize in connecting top-tier engineering and support talent from LATAM with leading companies across the U.S. and beyond. Our team is passionate about delivering not just talent, but true value and long-term partnerships to our clients.

About the Role:

We're hiring a mid-to-senior Full-Stack Software Engineer to join a small but mighty engineering team (3 people total) at a fast-paced fintech startup. You'll be contributing across the stack to build user-facing features and robust backend integrations. If you’re passionate about financial empowerment, building from scratch, and working in a mission-driven startup—this is your chance.

You’ll be joining through Puzzle.tech, a nearshore staffing firm focused on placing top LATAM talent with U.S. startups.

Key Responsibilities:

• Collaborate closely with the CTO and Product team to ship high-impact features
• Contribute to both frontend (React.js) and backend (Node.js/NestJS) codebases
• Build and maintain RESTful APIs and scalable services using AWS
• Work on a PostgreSQL-based database layer, ensuring performant data access
• Help improve onboarding workflows and eventually contribute to deeper fintech integrations
• Write clean, well-tested, and well-documented code
• Participate in code reviews and technical discussions with the team

Qualifications:

• 5+ years of professional software engineering experience
• Strong skills in React.js, Node.js, and TypeScript
• Solid experience building and consuming RESTful APIs
• Comfort working with relational databases (PostgreSQL preferred)
• Familiarity with AWS cloud services (e.g., Lambda, EC2, RDS, S3)
• Strong English communication skills (written & verbal)
• Proactive, self-directed problem-solver who thrives in startups
• Ability to understand business and compliance constraints and apply them to software design

Nice to have:

• Experience working in Fintech, especially in credit scoring, mortgage, or lending spaces
• Exposure to data privacy, security, or PII-sensitive applications
• Experience with MVP development and scaling early-stage products

Join Us and Enjoy These Perks!

• Competitive Salary: Earn a USD salary that matches your skills and experience.
• Full-Time Remote
• Paid Time Off: We value work-life balance, offering PTO so you can recharge.
• Private Health Insurance: Your health matters, and we help with a subsidy to cover your care.
• Salary Reviews every year!
• Paid Training and Certifications

Ready to put your puzzle-solving skills to the test? Join our team today!

Want to learn more about us?

LinkedIn: Puzzle

Instagram: @puzzle.tech_