Senior Software Engineer I
EnergyHubHelsinki, Finland
Full Time
Posted December 23, 2025
$6k - $7k
Smart Grid Technology
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Job Description
A Senior Software Engineer at EnergyHub's Kapacity.io team is responsible for designing and developing scalable software solutions to optimize energy demand, contributing to high-impact projects in the energy and climate tech sector, and leading technical discussions to improve development processes.
Key Responsibilities
- Architect and build scalable software for Kapacity.io's optimization products
- Take ownership of technical quality and design decisions
- Lead technical discussions and improve development processes
- Translate complex business requirements into technical roadmaps
Requirements
- You bring 5 years of experience delivering complex, production-quality software systems.
- You possess deep expertise in Go language or Python, Docker, and AWS.
- You have strong command of Relational Databases PostgreSQL and time-series data.
- You thrive in ambiguous environments and excel at structuring vague challenges into clear technical solutions.
- You have an interest in energy, buildings, and climate tech.
- You have strong written and verbal communication skills in English.
- You have the ability to work weekly at our office in Helsinki.
Benefits & Perks
Salary range of 5,500 to 6,500 EUR gross per month
Weekly office presence required in Helsinki
Employment governed by Finnish employment law through Deel, Inc.
Ample career development opportunities
Culture prioritizing daily well-being and work-life balance
Use of modern tools such as Slack, Google, AWS, Zoom, and AI tools
Work in an agile, growth-minded team led by ex-YC founders
Global impact through energy and climate tech projects
Ready to Apply?
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