This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX, and UI design, managed services, product development, and software development.

This is the job

We’re seeking a Senior Full-Stack Engineer to join our team. Our American client specializes in helping brands optimize planning, allocation, and purchasing through accurate demand signals and recommendations.

In this role, you’ll lead the development of core application features for an AI-powered inventory platform serving major retail clients. You will work collaboratively across our engineering team, from database to frontend, ensuring robust, scalable, and high-performance solutions.

This is you

• 5+ years of full-stack development experience, preferably in fast-paced startup environments;
• Deep expertise in Node.js and TypeScript, including API design, and performance optimization;
• Strong frontend development skills with Vue.js (React or Angular experience also considered);
• Advanced experience in database architecture, PostgreSQL, query optimization, and data modeling;
• Familiarity with search technologies such as ElasticSearch or OpenSearch;
• Excellent problem-solving abilities and the capacity to work independently;
• English – Upper-intermediate level or higher.

Nice-to-have skills:

• Experience developing data visualization and analytics interfaces (D3, Plotly);
• Familiarity with the integration of machine learning applications;
• Background in e-commerce, retail systems, or inventory management solutions;
• Experience with AWS cloud deployment, RDS, ECS, and infrastructure automation (Pulumi, Terraform, or similar).

This is your role

• Lead the end-to-end development of new application features, from conceptualization to production deployment;
• Drive system architecture and design decisions, ensuring scalable and extensible software solutions;
• Design, build, and maintain robust APIs;
• Collaborate with data scientists and product teams;
• Optimize data models and access patterns in PostgreSQL and Redis;
• Implement real-time, event-driven features using tools like BullMQ and SocketIO;
• Ensure and promote code quality standards, code reviews, and development workflow best practices across the team;
• Troubleshoot, debug, and resolve complex issues across the full technology stack;
• Contribute to improvement in CI/CD processes, infrastructure as code, and AWS deployments. 

What awaits you at Avenga?

Through our values, Better Minds, Bolder Ideas, and Bigger Hearts, we strive to provide you with the tools, autonomy, trust, and assistance you need to excel. Enjoy benefits like private health insurance, well-being programs, flexible and hybrid work models, laptops and gear, training, language classes, social events, great offices, and more.

We take pride in the diverse skills and character of our teams, welcoming everyone to apply and contribute to our collective strength.