---
title: 'Fullstack Developer (Poland) at Chooose'
canonical: 'https://feeny.ai/job/fullstack-developer-poland-chooose-warsaw-gfbkaxg42mmb'
type: 'job'
last_seen: '2026-09-07'
---

# Fullstack Developer (Poland) at Chooose

- **Company:** Chooose
- **Location:** Warsaw, Poland
- **Employment:** contract
- **Work type:** remote
- **Posted:** 2026-02-12
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.lever.co/chooose/d49099e2-7386-4aef-a240-ad940bf50c7b

## Job description

Chooose builds software to enable the lower carbon fuel value chain. Companies like Delta Air Lines, Cathay Pacific, British Airways, and Microsoft use the Chooose platform to build, operate, and scale their lower carbon fuel programs (typically referred to as Sustainable Aviation Fuel, or SAF), and to advance voluntary and compliance carbon management initiatives. With offices in Miami and Oslo, and remote employees across the US and Europe, Chooose is relentlessly focused on delivering enterprise software products to enable our customers to drive lower carbon fuel adoption. The company has raised $50M from leading venture capital and strategic investors. This opportunity is exclusively available as a B2B arrangement

## The role

We are looking for someone who is open to new technologies, not afraid to experiment, and eager to learn. The ideal candidate will be self-driven and able to take charge and make decisions.

Depending on the team you join, you'll could be developing supplier-facing applications or creating internal tools to improve efficiency within Chooose. In either case, you'll be utilizing modern AI technologies.

This is a B2B remote contract opportunity, approx. 40 hours a week, and must be based in Poland.

## What you'll do

- Maintain and scale complex front-end (React, Typescript) and back-end architecture (C#/.net)
- Create accessible and user-friendly components for an internal Design System
- Develop and maintain Python-based data processing pipelines and command-line interface (CLI) tools.
- Develop and integrate AI/ML solutions into company processes and external facing products
- Drive efficiency internally through scalable processes and
- Write unit tests or integration tests (Vitest) Maintain and scale complex services

## What you bring to the table

- 5+ years of hands-on experience
- Strong organizational and project management skills
- Excellent English verbal communication skills
- Critical problem-solving skills
- Meticulous attention to detail
- Degree in computer science or equivalent
- Must be based in Poland

You’ll stand out if you have technical knowledge of

- Azure (Azure functions)
- Integrations
- Python (Fast API)
- You have some experience incorporating AI features into SaaS products

## About Chooose

## Company Overview
- **One-liner**: Chooose builds software to enable the lower carbon fuel value chain, helping airlines, freight companies, and energy firms operate and scale sustainable aviation fuel (SAF) programs and manage voluntary and compliance carbon initiatives.
- **Entity Type**: Private (Series B)
- **Headquarters**: Oslo, Norway
- **Founded**: 2017
- **Founders**: Andreas Slettvoll (Board Director & Founder)

## Core Business
- **Primary industry**: Climate technology / Sustainable aviation fuel (SAF) software
- **Target customers**: B2B – airlines (Alaska Airlines, Air Canada, Delta, Finnair, Japan Airlines, Southwest, LATAM, Air New Zealand), freight forwarders (Flexport), energy suppliers (Trafigura), and corporate travel programs.
- **Mission statement**: “Close the multi-gigaton gap between climate intention and climate action by developing software solutions to make climate action available for everyone.”

## Products & Services
- **Chooose SAF Platform**: End-to-end software for planning, procuring, reporting, and scaling SAF programs. Integrates with airline and freight operations to automate emissions calculations, manage environmental attributes, and generate compliance reports.
- **CHOOOSE™ for Business**: A free-to-join carbon management platform that allows companies of all sizes to estimate and address their carbon emissions across operations and travel. Offers one-click access to verified offsets and SAF.
- **API & Integration Tools**: Embed climate action into customer experiences – automated emissions calculations, dynamic sustainability scores, and a vetted marketplace of carbon removals and offsets.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric (Revenue)**: Annual revenue estimated at $2.5M (based on available data)
- **Total Funding**: ~$42M+ (includes Series B $24M in Jan 2024, Series A $18M in Jan 2023, Pre-Seed $600K in 2017, Grant NOK 850K in 2020, Venture Round NOK 40M in 2021)
- **Notable Investors**: Sound Ventures, GenZero (Series A lead); Series B investors not named publicly
- **Growth Signals**: 56 employees across 11 countries; offices in Oslo and Miami; used by major global airlines and freight companies; 2 active job postings (Engagement Manager roles) as of mid-2026; 6 open roles total (100% fully remote per JobPin)

## Competitive Advantages
- **End-to-end SAF platform**: Covers the entire lifecycle from planning to reporting, built in collaboration with the aviation industry.
- **Deep ecosystem integration**: Partnerships with major airlines, fuel suppliers (Trafigura), and freight operators (Flexport) create network effects.
- **Regulatory readiness**: Implements latest accounting standards and sustainability certifications, adapting to evolving compliance landscapes.
- **Dual offering**: Both enterprise-grade SAF program management and a free, accessible carbon management tool for SMBs.

## Strategic Focus
- Scale SAF adoption across aviation and freight by streamlining procurement and reporting workflows.
- Expand carbon management offerings to serve corporate customers beyond aviation.
- Drive deeper collaboration across the lower-carbon fuel value chain to meet net-zero objectives.

## Why Work Here
- **Mission-driven**: Directly contribute to reducing aviation emissions and accelerating the transition to sustainable fuels.
- **Remote-friendly**: 100% of current open positions are fully remote, with distributed teams across 11 countries.
- **Growth stage**: Series B funded with a proven product used by industry leaders – offers impact and career development in a fast-scaling climate-tech company.
- **Culture**: International, cross-functional team with a strong engineering and product focus (24% technical staff). Emphasis on collaboration with energy and transportation stakeholders.
- **Perks**: Not explicitly listed, but the company highlights a “growing quickly” environment with roles in engagement management, product, and engineering.

## Sources
1. [chooose.today](https://www.chooose.today/)
2. [business.chooose.today](https://business.chooose.today/)
3. [linkedin.com/company/chooose](https://linkedin.com/company/chooose)
4. [cbinsights.com](https://www.cbinsights.com/company/chooose)
5. [jobpin.com](https://jobpin.com/companies/chooose/)

## Other roles at Chooose

- [Senior Engagement Manager (Japanese Speaking)](https://feeny.ai/job/senior-engagement-manager-japanese-speaking-chooose-japan-e6mjvnmndtf9) — Japan
- [Engagement Manager (US)](https://feeny.ai/job/engagement-manager-us-chooose-il-tx-ma-ny-md-fl-pa-c47sk3cjmy7y) — IL / TX / MA / NY / MD / FL / PA
- [Senior Product Manager (US - ET)](https://feeny.ai/job/senior-product-manager-us-et-chooose-ma-ny-md-fl-pa-p6czzecxqe8m) — MA / NY / MD / FL / PA
- [Product Owner (PL)](https://feeny.ai/job/product-owner-pl-chooose-poland-7r9cetast795) — Poland
- [General Application](https://feeny.ai/job/general-application-chooose-remote-09f93qfhyzpe)