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Lead Software Engineer

Costa Rica

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Title: Lead Software Engineer
Job Family/Job Family Group: Engineering
Job Level: Lead

About the Role

As a Lead Software Engineer, you’ll drive the day-to-day technical direction and hands-on engineering for core platform services supporting a leading pharmaceutical rewards platform. We are looking for someone who is passionate about seeking new opportunities to create impactful work, highly proactive, collaborative, and capable of functioning as a technical pillar of knowledge for the team without people-management duties.

Responsibilities:

  • Design, implement, review, and troubleshoot backend services using TypeScript and Node.js.
  • Build and maintain robust distributed APIs using REST, GraphQL, and gRPC.
  • Lead technical execution across the core platform team, acting as a go-to architectural reference.
  • Optimize and manage database schemas and queries using PostgreSQL.
  • Implement and manage cloud infrastructure using AWS or GCP platforms, Kubernetes, and Terraform.
  • Translate complex business, security, and reliability requirements into maintainable platform architectures and API contracts.
  • Collaborate with engineering managers and cross-functional teams to plan safe migrations, feature rollouts, and system observability.
  • Guide team members through design reviews, code reviews, and shared technical ownership to distribute knowledge effectively.

 

About You

The essentials:

  •  8+ years of software engineering experience with substantial backend or platform engineering responsibility.
  •  Bachelor’s degree in Computer Science or a related technical field.
  •  Strong proficiency in TypeScript and JavaScript, with production Node.js experience.
  •  Solid experience designing and operating distributed APIs, specifically REST, GraphQL, or gRPC.
  •  Proven expertise with PostgreSQL, including schema design and query optimization.
  •  Experience with cloud platforms like AWS or GCP, Kubernetes, and infrastructure-as-code tooling like Terraform.
  •  B2 level of English or higher, with the ability to proactively articulate and discuss complex technical concepts clearly.

Not a must, but a plus:

  • Experience with the NestJS framework.
  • Familiarity with event-driven architectures and tools like Kafka.
  • Prior experience with enterprise identity and access management, such as OAuth 2.0 or OpenID Connect

#LI-VD1#LI-Remote

At Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants from all backgrounds who are excited to contribute to our mission.

About Monks

Monks is the global, digital-first, data-driven, unitary operating brand of S4Capital plc, where our culture centers on how we show up for the work and for one another. That begins with the commitment to strive for mastery—taking deep pride in our craft and creating work that sets the bar. In everyday execution, we drive momentum by choosing bold action rather than waiting for certainty. Above all, our teams are stronger together, bringing diverse perspectives into a unified team that communicates with clarity, trust, and mutual respect.
 
This commitment to craft and innovation translates directly into widespread industry acclaim: Monks was named a Contender in The Forrester Wave™: Global Marketing Services and a leader in the 2026 Gartner® Magic Quadrant™ for Global Digital Marketing Agencies. It ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization (2025), Monks was also awarded Business Intelligence Group’s 2026 Excellence in Artificial Intelligence Award in the Human-Machine Interaction Team category. Additionally, Monks.Flow earned AI-based Marketing Solution of the Year at the 2026 AI Breakthrough Awards and a 2026 Global Generative AI Award in the Agentic Marketing Innovation category. Finally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us. 

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At Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants, from all backgrounds, who are excited to contribute to our mission. 

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