Senior Software Engineer

Wärtsilä

$100K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 2+ years of related experience or a BS in Computer Science
  • Strong hands-on experience with Node.js and React
  • Proven ability to build production web applications, APIs, and backend services
  • Familiarity with modern TypeScript development
  • Proficiency with frontend tooling such as Vite, Jest, and Webpack
  • Experience with PostgreSQL or similar relational databases
  • Knowledge of Docker, Git, and GitHub with collaborative workflows

Responsibilities

  • Develop cloud applications for clean energy systems
  • Collaborate on backend services and frontend user experiences
  • Create and maintain APIs and data workflows
  • Support internal tools used by engineers and operators
  • Maximize functionality for large scale battery systems

Benefits

  • Opportunity to contribute to green energy initiatives
  • Dynamic work environment with a focus on innovation
  • Potential for remote work or flexible hours
  • Collaborative team culture promoting professional growth and development
  • Exposure to cutting-edge technologies in the big-data ecosystem
Full Job Description
Join us in building part of the green energy future. We are looking for a full stack Node.js and React engineer to develop cloud applications for clean energy systems in a competitive, big-data ecosystem. This role will work across backend services, frontend user experiences, APIs, data workflows, and internal tools that support engineers and operators working with large scale battery systems in powering green energy infrastructure.

Required Qualifications
  • 2+ years of related expereince and/or BS in Computer Science
  • Strong hands-on experience with Node.js and React
  • Experience building production web applications, APIs, and backend services
  • Experience with modern TypeScript development
  • Experience with frontend tooling such as Vite, Jest, Webpack, or similar tools
  • Experience working with PostgreSQL or other relational databasesExperience using Docker, Git, GitHub, and collaborative development workflows
  • Familiarity with cloud-hosted applications, preferably on Google Cloud PlatformAbility to write clean, maintainable, well-tested codeStrong debugging, communication, and teamwork skills


Preferred Qualifications

Experience with large-scale data or data-intensive applicationsExperience supporting applications deployed on Google Cloud PlatformFamiliarity with Go or PythonExperience with CI/CD workflows, GitHub Actions, or cloud deployment practicesAbility to work autonomously, communicate clearly with teammates, and help shape practical product and engineering improvements

Last application date: 30/06/2026

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