Senior Python Developer (Java, AWS) - WirelessCar

Techster Solutions; Göteborgs kommun; Hybrid; SEK 781,000 - 1,228,000; Full time

Job summary

WirelessCar in Gothenburg is seeking a Senior Software Engineer to shape and build Seamless Charging, a digital service linking vehicles, charging networks and partners.

You will join a small, experienced team, writing backend Python on AWS, shaping architecture and APIs while ensuring reliability and security as the product moves toward production.

Qualifications

• Strong backend experience with Python and AWS-based services.
• Experience turning evolving product ideas into working software.
• Knowledge of testing, code review and maintainable system design.

Responsibilities

• Build and evolve backend services in Python on AWS.
• Develop integrations between vehicles, charging networks and service providers.
• Translate product needs into practical technical solutions and APIs.
• Shape architecture, data flows and security approaches as the product evolves.
• Write tests and improve development workflows to enable reliable delivery.
• Collaborate with engineers, architects, stakeholders and partners in an international setting.
• Prepare the service for production with reliability and operational readiness.

Skills

Python

AWS

Backend development

Testing

Code review

Java

Security

Tools

OCPI

Job description

WirelessCar is looking for a Senior Software Engineer to help shape and build Seamless Charging, a developing digital service that connects vehicles, charging infrastructure and service providers.

The goal is to make public EV charging easier for drivers by coordinating the data, integrations and service logic behind an automated charging experience. You will join a small, experienced team at an important point in the product journey, helping bring Seamless Charging into customer use and continuing to develop it from there. You will contribute directly to the service and its integrations, work closely with customer and partner teams, and help shape what comes next.

What you will do

• Build and evolve backend services in Python on AWS, with an emphasis on clear, maintainable software.
• Develop integrations that bring together vehicle data, charging networks, service providers and customer systems.
• Work with the team to translate product needs and partner use cases into practical technical solutions.
• Help shape the architecture, APIs, data flows and security approach as the product develops.
• Write tests and improve the development workflow so the team can deliver changes with confidence.
• Collaborate with engineers, architects, product stakeholders and external partners in an international setting.
• Contribute to preparing the service for broader use, including reliability and operational readiness as it approaches production.

What we are looking for

• You are a senior software engineer who enjoys turning an evolving product idea into working software.
• You are comfortable taking initiative, discussing trade-offs and working across the codebase in a small team.
• You communicate clearly, collaborate well with partners and colleagues, and care about building a service that is useful, secure and dependable.
• Strong professional experience developing backend software, Python is a must, Java is good.
• Strong experience with AWS specifically and cloud-based services in general.
• Sound software engineering practices, including testing, code review and designing maintainable systems.
• Good communication skills and confidence working with external partners.
• Interest in connected vehicles and the systems that link vehicles with digital services.

It is a bonus if you have

EV charging or roaming standards such as OCPI, charging infrastructure, telematics, or integrations across multiple organizations.

About the assignment

This is a consultant assignment with WirelessCar in Sweden. The role is based in Gothenburg, with a hybrid way of working and at least two days per week in the office. You will work closely with experienced engineers and technical colleagues in an international environment.