Full Stack Engineer

We're looking for a Senior Full-stack Developer (Back-end heavy) to join our fast-growing team.

What you'll be working on

As a Senior Full-stack Engineer, your mission will include:

• Building scalable backend systems that support intelligent agents in autonomous e-commerce;
• Designing and developing robust APIs and services using Python and AWS (Lambda, Step Functions, S3, RDS, API Gateway);
• Collaborating with a small, focused team to iterate quickly and ship meaningful features fast;
• Working cross-functionally with product and design to turn ideas into practical technical solutions;
• Improving system performance, reliability, and security through clean architecture and sound engineering practices;
• Supporting CI/CD pipelines and implementing test automation to ensure stable releases;
• Using SQL extensively to manage and query relational data (bonus if you're familiar with NoSQL too);
• Contributing to both frontend (ReactJS) and backend tasks as needed, with a strong focus on backend infrastructure.

Must-Haves

5+ years of hands-on software development experience;

Strong proficiency in Python and JavaScript (including ReactJS);

Solid understanding of AWS services and Serverless architecture (Lambda, Step Functions, S3, RDS, API Gateway);

Experience with SQL and working with relational databases;

Basic DevOps skills including CI/CD and testing frameworks;

Degree in CS/engineering - or solid military tech experience

Fast learner with clear communication skills and a bias toward action.

Nice-to-Haves

Experience with NoSQL databases;

Prior startup or entrepreneurial experience;

A touch of product thinking and ability to see the bigger picture of what you're building.

Work Setup & Offer

Location: Onsite in Madrid

Start: Full-time Contractor (40h/week)

If you're excited about shaping the future of autonomous e-commerce and working on technically challenging problems in a high-trust, high-speed environment - we'd love to hear from you.

About Worky

Worky is an on-demand talent cloud platform that seamlessly connects companies with remote and vetted professionals globally. Positioned to redefine the landscape of the on-demand talent industry, Worky stands as the foremost provider of vetted talent in data, software engineering, and product development. Our esteemed clientele relies on us to access top-tier talent for remote positions, and Worky's rapidly expanding global talent network empowers both established organizations and startups to meet their diverse hiring needs at any scale.

Central to our operations is Worky's sourcing process, which revolutionizes the talent vetting and matching process, delivering engaged and qualified professionals with unprecedented speed.

The key advantages of partnering with Worky include our overarching mission, a vast global network, a commitment to guaranteed quality, cutting-edge technology integration, and a hyper-personalized and proactive approach to talent acquisition.

To explore how Worky can revolutionize your approach to talent acquisition, please visit us at

If this sounds interesting for you click "Apply" right now!