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Wärtsilä Corporation Logo

Senior Software Engineer

Wärtsilä Corporation

Salary not specified
Sep 24, 2025
Herndon, VA, US
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Wärtsilä Energy Storage is looking to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure, unlocking the way to an optimized renewable future.

Requirements

  • 8+ years of demonstrated experience with professional front and back-end development.
  • Experience architecting multiple web applications from the ground up.
  • Prefer knowledge in React for the UI and NodeJS and/or Python for the backend.
  • Professional expertise in underlying web technologies including HTML, CSS, and vanilla JavaScript.
  • Professional expertise in developing REST and Websocket APIs.
  • Robust experience working with SQL-based relational databases, NoSQL, or NewSQL.
  • General knowledge of networking, Linux, code testing.

Responsibilities

  • As part of Wärtsilä’s ES&O GEMS software product team you will be responsible for contributing to our backend servers, UI, and deployment code.
  • Guide and contribute to the development of a data-centric web platform for energy storage data visualization, and advanced analytics.
  • Participate in an agile development environment.
  • Participate in user experience and usability studies to develop and/or improve the UI design and make complex site operations intuitive.
  • Develop features and other technical documents.
  • Contributing to roadmap discussions, progress meetings, and interface with other teams leads to ensuring collaboration.

Other

  • B.S. Degree in Computer Science, Engineering (Computer, Electrical, Mechanical), I.T., or equivalent years of industry experience.
  • Ability to embrace a fast-moving environment and comfortable with quickly adapting to changing priorities.
  • Successful applicant must be authorized to work in the USA without sponsorship.
  • Candidates for regular U.S and Puerto Rico positions must be a U.S. citizen, national, or an alien admitted as permanent resident, refugee, asylee with valid work permit or temporary resident under 8 U.S.C. 1160(a) or 1255a(1).
  • Individuals hired for positions that require on-site customer interactions and/or in-person travel may be required to be fully vaccinated against COVID-19 or other country-specific vaccinations, unless otherwise prohibited by law.