Key skills
JavaScriptNode.jsReactMarTech toolsAWS LambdaAzure FunctionsMongoDBProblem solverAdvanced EnglishcommunicationTeam-oriented mindsetNoSQLAnalyticsExpressAWSAzureServerlessLambdaCommunication
About this role
Lumenalta is a company that creates impactful software solutions to drive innovation and transform businesses. They are seeking a Fullstack JavaScript Engineer to build and maintain scalable applications, implement tracking solutions, and collaborate with various teams to meet business needs.
Responsibilities:
- 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
- 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)
- React preferred