Software Engineer - Fullstack (AI x Greentech) (m/f/d)
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Sep 30, 2025. Reonic scores A on the Alion truth index.
Build the Interface of the Energy Transition
Most engineering jobs ask you to ship fast and care about quality.
This one asks you to build the interface of an entire industry.
At Reonic, we’re building the AI operating system for renewable installers, with competitive pay, growth opportunities and a strong culture based on ambition, impact and ownership.
And we’re doing it fast.
What makes this role different
Your work directly impacts how renewable energy gets deployed
You’ll own features end-to-end - not just tickets
You’ll feel the speed: idea → code → live → feedback
No endless planning cycles. No hiding behind process.
Just building, shipping, improving.
You will:
Build high-impact features used daily by real businesses
Ship fast using TypeScript throughout the whole stack.
Dive into Node.js backends and handle data withPostgreSQL andPrisma
Turn complex workflows into clean, intuitive interfaces with React and Tailwind
Work closely with product and design - no layers, no handoffs
See your code in production within days, not months
And if you want more:
Work withRust to extend our Simulation that predicts the future of our customers project
This is not a narrow role. It’s a playground for builders.
You’ll thrive here if you…
Love turning complexity into simplicity
Care about UX as much as clean code
Prefer ownership over instructions
Move fast, learn fast, and fix things instead of debating them
Actually want to build, not just talk about building
If you need perfect specs and slow timelines - this isn’t it.
If you want to grow fast and ship real product - you’ll love it.
Why join now
Competitive pay and equity opportunities
High ownership from day one and unlimited growth options
Steep career development: No cycles - rewarded when earned
Gym membership or Transportation ticket: pick between Urban sports club or D-ticket
Uber eats and Uber drive on us when you finish late
Take a few "workation" weeks a year-work remotely from anywhere.
We're still early. Be at the forefront of the energy transition.
About Reonic
At Reonic, we're building the AI-native operating system for renewable installers.
We’re replacing fragmented tools (CRM, design, proposals, project management, invoicing) with a single integrated platform that supports installers across the full project lifecycle. Today, more than 3,000 companies across 13 countries use Reonic, and it’s just the beginning.
We're a well-funded VC-backed startup reshaping how the world uses energy. With top-tier people, great investors, and massive goals ahead. We work hard and move fast, to build a company that lasts, and that brings lasting change.