Senior Full Stack JS Developer
First seen by Alion on Nov 10, 2026.
Design and develop scalable, high-performance, and secure web applications.
Take ownership of features from implementation to delivery.
Lead or coordinate development teams to ensure successful delivery.
Mentor team members and support their professional growth.
Conduct code reviews to ensure high-quality standards, security, and performance.
What We Offer:
Long-term career stability with a competitive salary paid in USD.
Conditions for steady career development.
Development supported by dedicated mentors and a variety of programs focused on expertise and innovation.
Private medical insurance provided after successful completion of the probationary period
A well-equipped and cozy office supports comfort and productivity across all project stages.
Welcoming atmosphere and a friendly corporate culture.
Requirements
What we expect from youMinimum 6 years of commercial experience with backend and frontend development.
Written and spoken English not lower than Upper Intermediate level (B2).
Deep understanding of advanced JavaScript and TypeScript concepts.
Strong experience with Node.js and modern frontend framework (React or Angular)
Strong knowledge of databases (MongoDB, MySQL, PostgreSQL, Redis)
Experience with cloud platforms and serverless architecture (AWS, Lambda)
Hands-on experience with CI/CD tools
Hands-on experience with testing frameworks and methodologies
Hands-on experience of accessibility (a11y) principles and ARIA attributes.
Experience with system design and scalable architecture
Experience in leading a team, mentoring developers, and driving technical decisions.
Strong problem-solving and decision-making skills
Knowledge and practical experience with projects at different stages.
Experience with Agile methodologies (Scrum, Kanban)
Experience in estimating development effort for projects of varying complexity and at different stages
Experience with microservices architecture
Experience with LLM APIs or AI integrations