Fullstack JavaScript Engineer (MarTech)

At Lumenalta, we create impactful software solutions that drive innovation and transform businesses. Since 2000, we’ve partnered with visionary leaders to build cutting-edge tech, solve complex challenges, and deliver results faster through our elite teams and tech-driven approach. Join us in shaping the future of technology.

What You Will Do

• Build and maintain scalable full-stack applications using JavaScript, React, Node.js, and Express
• Architect and implement tracking and analytics solutions across Segment, Tealium, GTM, Amplitude, Mixpanel, GA4, and related tools
• Develop clean, reliable event schemas and data-layer standards across frontend and backend systems
• Implement serverless workflows using AWS Lambda or Azure Functions for event routing, transformation, and delivery
• Design APIs and backend logic that support analytics, personalisation, and marketing automation systems
• Collaborate with product, marketing, and data teams to translate business needs into technical tracking designs.
• Ensure strong data governance, consent management, and cross-platform identity resolution.
• Build modern, maintainable, testable, well-documented code that adheres to Lumenalta engineering standards.
• Participate in code reviews, architecture discussions, and strategic technical decisions
• Lead or mentor developers when needed, contributing to a senior-only engineering environment

Requirements

• 7+ years of professional software development experience
• 4+ years of senior-level hands-on experience with JavaScript, Node.js, Express, and modern FE frameworks (React preferred)
• Strong experience integrating and implementing MarTech tools such as Segment, Tealium, GTM, Mixpanel, Amplitude, or similar solutions
• Experience designing data layers, event schemas, and tracking plans for complex user interactions
• Serverless experience with AWS Lambda or Azure Functions
• Experience working with MongoDB or equivalent NoSQL data stores
• Ability to write clean, modern, testable, well-documented code
• Strong communication skills with the ability to collaborate across engineering, product, and marketing teams
• Professional, empathetic, team-oriented mindset
• Problem solver with a proactive, ownership-driven approach
• Advanced English proficiency (written and spoken)

Location

This is a fully remote position; however, candidates must be based in regions that align with the Pacific, Central or Eastern U.S. time zones to ensure effective collaboration with client and team schedules.

Application Deadline

We’re moving quickly on this search — applications will be reviewed as they’re received. The target start date is immediate, and the application window will close by the 1st of December.