Senior Software Engineer I
EnergyHubHelsinki, Finland
Full Time
Posted January 21, 2026
$6k - $7k
Energy Management
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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, leading technical discussions, and translating complex business requirements into technical roadmaps within the energy and climate tech sector.
Key Responsibilities
- Architect and build scalable software for Kapacity.io's optimization products
- Take ownership of technical quality and design choices
- 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
Full-time, permanent employment
Working hours typically 37.5 to 40 hours per week
Use of modern tools such as Slack, Google, AWS, Zoom, and AI tools
Career development opportunities
Work-life balance prioritization
International work environment with multinational workforce
Employment governed by Finnish law through Deel, Inc., including payroll, taxes, and statutory benefits
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