AI Summary
Design and develop web applications for EV-charging products, including CitrineOS and TopazEV. Collaborate with developers, UI/UX designers, and product owners to deliver high-quality features. Work in a fully remote team with a startup mindset.
Key Highlights
Design and develop web applications for EV-charging products
Collaborate with cross-functional teams
Work in a fully remote team with a startup mindset
Technical Skills Required
Benefits & Perks
Fully remote work
Opportunities to take ownership and grow career
Startup mindset and rapidly growing product ecosystem
Job Description
About Us
S44 Energy is a dynamic EV-charging software company with a fully remote team across the U.S. and Germany. We build customer-facing and back-end applications that help CPOs, eMSPs, fleets, and OEMs elevate their charging experiences from mobile apps to intelligent back-office systems.
As the creators of CitrineOS, the industry’s leading open-source, API-first CSMS now hosted by Linux Foundation Energy, and TopazEV, our commercial platform built on open-source principles, we bring unmatched real-world experience in designing, deploying, and scaling high-performance charging networks. With deep expertise in OCPP and OCPI standards and more than a decade of delivering custom solutions for some of the world’s largest networks, we are the strategic technology partner powering the next generation of EV-charging innovation.
Who You Are
You are a Full-Stack Software Engineer who enjoys designing and developing web applications across both client engagements and our own EV-charging products, including CitrineOS and TopazEV. You’ll work closely with developers, UI/UX designers, and product owners to understand requirements, shape technical direction, and deliver high-quality features.
You care about clean, maintainable code and creating exceptional user experiences. You bring curiosity, adaptability, and a fresh perspective, and you thrive in an environment where your work has a real impact. With a startup mindset and a rapidly growing product ecosystem, S44 Energy offers opportunities to take ownership, expand your skill set, and grow your career.
What You’ll Bring
- Hands-on experience with modern frontend and backend technologies including JavaScript, TypeScript, React, Angular, Node.js, Next.js, Java, and Spring Boot
- Strong understanding of object-oriented design, design patterns, and distributed systems
- Familiarity with cloud platforms such as AWS or GCP
- Experience with SQL and NoSQL databases
- Knowledge of software architecture principles including microservices
- Solid understanding of data structures and algorithms
- Ability to write and maintain unit and integration tests
- Experience delivering high-quality software in an agile environment
- Strong problem-solving and troubleshooting skills across environments and operating systems
- Excellent communication and collaboration skills
- Three to five years of experience in a full-stack engineering role
- Familiarity with agentic AI tools such as GitHub Copilot
- Background in EV-charging software or automotive software
- Experience with Infrastructure as Code such as Terraform
- Ability to design or support event-driven architectures and big-data pipelines
- Experience working with embeddings for RAG systems
East Coast preferred but open to all U.S.-based legal residents and U.S. citizens.
Please note
We are not offering visa sponsorship at this time. Candidates must be authorized to work in the United States without employer sponsorship.