Full-Stack Engineer (NodeJs+React)
Location: Colombia
Department: Tech Services
Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers).
Senior Full Stack Engineer (NodeJS + React)
Location: Colombia
.Monks Technology Services, part of Media.Monks and S4 Capital, is a global consulting firm mastering AI-powered transformations for the Fortune 100. We combine long-term strategic thinking, deep enterprise experience, and a human-centered approach to help clients transform business processes and dominate their industries.
About the Role
As a Senior Full Stack Engineer (NodeJS + React), you’ll own features end-to-end—from technical design through build, test, and deployment—delivering modern React single-page applications and NodeJS microservices/APIs. You’ll work across greenfield and existing systems in a roughly 65/35 frontend-to-backend split, collaborating closely with product, design, and engineering partners to ship high-quality software with a strong focus on maintainability and automated testing.
Responsibilities
- Design and build new user-facing features and complex UI components using React
- Develop and maintain NodeJS microservices and backend APIs with a focus on performance, reliability, and reusability
- Design, build, and support RESTful APIs that integrate cleanly with frontend and downstream services
- Write comprehensive unit and integration tests to ensure stability and code quality
- Contribute to technical design discussions and architectural decisions for new features and components
- Troubleshoot bugs, identify bottlenecks, and implement sustainable fixes and improvements
- Collaborate with product managers, designers, and engineers in an agile delivery environment
- Own the full development lifecycle, including occasional setup of CI/CD pipelines for new services
- Other duties as assigned
About You
Qualifications & Skills
- 8+ years of professional software development experience (10+ preferred)
- Strong proficiency building modern frontend applications with React and its ecosystem
- Deep expertise in backend development with NodeJS (or similar), including building services outside of monolithic frameworks
- Proven experience designing, building, and maintaining RESTful APIs
- Strong experience with PostgreSQL, including ORM basics and query knowledge
- Hands-on experience with Docker for containerization and orchestration
- Demonstrated commitment to automated testing, including unit and integration test coverage
- High ownership, autonomy, and excellent communication/collaboration skills
- Nice-to-have: Strong SQL proficiency
- Nice-to-have: Experience with Jest (or similar testing frameworks)
- Nice-to-have: Experience with additional backend languages such as Python
.Monks Technology Services does not discriminate on the basis of race, sex, color, religion, age, national origin, marital status, disability, veteran status, genetic information, sexual orientation
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About Monks
Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact.
Monks was named a Contender in The Forrester Wave™: Global Marketing Services, 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, Monks was also awarded Business Intelligence Group’s 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Monks earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workato’s AI Visionary Customer Impact Award (2024). Additionally, 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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