Senior Backend Developer

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Are you passionate about making a sustainable impactinthe world of electric transport? Do you thrive in an innovative and entrepreneurial environment? Then you might be the new regional assistant to Erinion!

AtErinion, part of the Scania Group, we are leading the global shift towards a more sustainable transport system by shaping the future within charging and e-mobility.

Our business

We offer private and semi-public charging solutions tobuild,ownandoperateinfrastructure at customer sites to enhance their operational efficiency, minimize cost and increase flexibility.

Erinionis on a fast-paced growth trajectory, ifyou thrive in dynamic environmentsfuelledby innovation and collaboration, then Erinionis the place for you!

As a Senior Backend Developer, you will play a key role in building and evolving Erinion Connect, our cloud-native Charging Management System (CMS) for smart charging and energy management in commercial transport.

Working closely with Product, Engineering, Analytics and Applied AI teams, as well as a strategic technology partner, you will design and deliver scalable backend services, integrations and cloud-native solutions that support Erinion's growth.

We're looking for an experienced engineer who combines strong backend expertise with architectural thinking. AI-assisted development tools are part of our daily workflow, but we value engineers who can independently drive technical decisions and build robust, scalable systems.

This is a backend-first role, with approximately 70% of the work focused on platform and integration engineering and the flexibility to contribute across the stack when needed.

• Build and enhance backend services using Python and Node.js/Type Script.
• Design scalable APIs, integrations, and event-driven architectures.
• Develop solutions for smart charging, energy management, and fleet platforms.
• Integrate Erinion Connect  with TMS, FMS, ERP, and telematics systems.
• Contribute to platform architecture and long-term product evolution.
• Support React-based frontend development when needed.
• Use AI-assisted development tools to accelerate software delivery.

• 5+ years of experience in backend software engineering.
• Strong experience with Python and/or Node.js (Type Script).
• Experience designing and building cloud-native applications on AWS.
• Solid understanding of software architecture, distributedsystemsand integration patterns.
• Experience with PostgreSQL, DynamoDB and cloud storage solutions.
• Experience building REST APIs,microservicesand event-driven systems.
• Ability to make sound technical and architectural decisions independently.
• Experience using AI-assisted coding tools in day-to-day development.

Nice to have

• Experience with TMS, FMS,ERPor telematics integrations.
• Knowledge of OCPP,OCPIor EV charging technologies.
• Experience with
  
  Timescale DB.
• Startup or scale-up experience.

We welcome applicants from all backgrounds – your unique experience and perspectives is valuable to us.

Languages
:
Python, Node.js, Type Script, Java,
Frontend
:
React

Cloud & Infrastructure:AWS (Lambda, API Gateway, SQS, Step Functions,Event Bridge, Cognito, S3), Cloud Formation, Docker, Git Lab CI

Databases:PostgreSQL, DynamoDB, S3,Timescale DB(nice to have)

Join our passionate team in Stockholm city, at Drottninggatan
29, and be a driving force in the future of sustainable transportation. AtErinion, youwon'tjust be a part of thechange,you'llbe pioneering it. We offer a competitive compensation package, alongside unparalleled professional growth opportunities. This is an early-stage company where your ideas arevalued,your contributions have a significant impact, and you have the chance to develop and grow alongside

Erinion.

no later than . Screening will take place on an ongoing basis during the application period. Logical and personality tests may be used as part of the selection process, and a background check may be required for this role.

If you have questions or would like more information, please contact:
Karolina Skibińska, Talent Acquisition Spcialist,  or Henrik Karlsson, Head of Technology,