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Hybrid Senior/Lead Full-Stack Software Engineer (Python, JavaScript)

Exadel inc ·  Bulgaria, Hungary, Lithuania, Poland, Romania, United States Of America · Hybrid

  • Office in Bulgaria, Hungary, Lithuania, Poland, Romania
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We are seeking a highly communicative, collaborative, and curious Senior/Lead Full-Stack Software Engineer to join our team. You will play a key role in designing and implementing scalable API services and backend logic, primarily using Python and Node.js, with strong interaction with data repositories like MongoDB. We are looking for a self-starter who thrives in a dynamic, collaborative environment and is not afraid to take initiative, ask questions, and contribute across the stack.

Work at Exadel - Who We Are

We don’t just follow trends—we help define them. For 25+ years, Exadel has transformed global enterprises. Now, we’re leading the charge in AI-driven solutions that scale with impact. And it’s our people who make it happen—driven, collaborative, and always learning.

About the Customer

The company is headquartered in New York City, has 60+ offices in the Americas, Europe, Asia Pacific, and the Middle East, and employs 4,500+ professionals. This international management consulting company focuses on retail services.

Requirements

  • 15+ years of professional experience in full stack or backend software development
  • Strong proficiency in Python for backend development and scripting
  • Any experience with Node.js, including building and maintaining production-level services
  • Hands-on experience with MongoDB, including data modeling, querying, and performance optimization
  • Practical knowledge of containerization using Docker, including developing, testing, and deploying applications in Dockerized environments
  • Working knowledge of frontend technologies: HTML, CSS, and JavaScript (ability to maintain and contribute to frontend codebase when needed)
  • Excellent problem-solving skills and attention to detail
  • Strong communication and collaboration abilities; comfortable working in cross-functional teams
  • Self-motivated and proactive, with a passion for learning and innovation

Nice to have

  • Experience working with Databricks or other big data processing tools
  • Familiarity with Vue.js or similar frontend frameworks
  • Experience with microservices architecture and container orchestration (e.g., Kubernetes)
  • Background in agile development environments and DevOps practices

English level

Upper-Intermediate

Responsibilities

  • Design, develop, and maintain scalable API services using Python and Node.js
  • Work with data repositories, especially MongoDB, to serve data effectively through APIs
  • Collaborate with cross-functional teams to define and deliver features from concept to production
  • Develop and debug applications running in Docker containers
  • Maintain and improve frontend components using HTML, CSS, JavaScript (VueJS is a plus)
  • Apply software development best practices including code reviews, testing, and CI/CD
  • Communicate proactively with teammates, product managers, and stakeholders
  • Lead by example in code quality, architecture discussions, and team collaboration