Full Stack Engineer - Fintech

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Full Stack Engineer

At Solvedex we're looking for a Full Stack Engineer to join our team.

Contract · Remote

About Us
Solvedex reshapes the future of tech talent by connecting innovative companies with pre-vetted, world-class nearshore developers across US and LATAM time zones. We handle identification, onboarding, and management, so you can focus on innovation.

About the Role
We’re looking for a Senior Full Stack Developer to join our collaborative, remote-first team. In this role, you will play a key part in building and maintaining web applications for an advanced analytics and payments platform. You’ll work across the full stack with a strong emphasis on back-end infrastructure, architecture design, cloud systems, and advanced algorithmic problem-solving, using technologies like NestJS, TypeORM, Docker, AWS, and React.js.


Note: please submit your resume in English

Key Responsibilities

  • Lead the development and maintenance of scalable back-end services using NestJS, TypeORM, and Docker.

  • Build high-performance, interactive front-end interfaces with Next.js, React.js, and TypeScript.

  • Design and implement system architecture and key application components.

  • Integrate third-party services, including payment providers (e.g., Stripe, PayPal).

  • Manage infrastructure and deployments using AWS, Azure, or GCP.

  • Optimize application performance, security, and scalability.

  • Write clean, maintainable, and well-documented code.

  • Collaborate cross-functionally with product, design, and engineering teams.

  • Participate in and lead code reviews, championing best practices.

  • Troubleshoot and resolve complex issues efficiently.



Key Qualifications

  • Bachelor's degree in Computer Science, Engineering, or a related field—or equivalent practical experience.

  • 4+ years of industrial work experience in full stack development roles.

  • Proven track record of being a main contributor on complex, production-grade projects.

  • Strong proficiency in React.js, NestJS, and TypeScript.

  • Experience with Docker, TypeORM, and at least one major cloud provider (AWS, Azure, or GCP).

  • Solid understanding of infrastructure tooling, CI/CD pipelines, and container orchestration.

  • Experience applying advanced algorithms and data structures in real-world applications.

  • Solid grasp of system design and software architecture principles.

  • Brings hands-on experience with cloud infrastructure and tooling (AWS, Azure, or GCP).

  • Experience working with RESTful APIs and version control systems like Git.

  • Excellent problem-solving, communication, and collaboration skills.

  • English fluency (written and verbal).


Nice to Have

  • Previous experience working in the fintech or payments industry.

  • Exposure to DevOps, monitoring, and observability tools.

Additional Requirements

  • Must be based in the LATAM region.

  • Comfortable working remotely and independently.

  • Proactive, self-driven, and collaborative mindset.

Ability to thrive in a fast-paced, startup-like environment.

Apply for the job

Do you want to join our team as our new Full Stack Engineer? Then we'd love to hear about you!