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Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Senior Full Stack Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Ukraine

Posted

62 days ago

Salary

0

Seniority

Senior

Job Description

Senior Full Stack Engineer

Sigma Software Group

• Develop responsive, user-friendly interfaces using React and Vite • Create interactive charts and data visualizations with D3.js or similar libraries • Integrate backend data via REST and GraphQL APIs • Collaborate closely with data engineers to incorporate complex datasets into the product • Optimize application performance, scalability, and reliability • Implement best practices for security, CI/CD, testing, and code quality • Work with product and design teams to translate business requirements into technical solutions • Take ownership of features from ideation to deployment and monitoring in production • Stay up to date with emerging technologies and contribute to technical decision-making

Job Requirements

  • 5+ years of professional experience with JavaScript/TypeScript across frontend and backend
  • Strong experience with React and Vite for scalable frontend applications
  • Solid hands-on experience with Node.js, NestJS, and REST API development
  • Experience with data layer technologies, including PostgreSQL on AWS RDS and BigQuery
  • Practical knowledge of D3.js or similar libraries for interactive data visualization
  • Exposure to modern AI-powered backend solutions, including Agentic AI
  • Strong knowledge of HTML, CSS, and JavaScript fundamentals
  • Upper-Intermediate spoken and written English
  • Experience with Model Context Protocol (MCP) will be a plus
  • Familiarity with workflow automation tools such as n8n will be a plus.

Benefits

  • Competitive benefits
  • Professional growth opportunities
  • Innovative work culture

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