Software Engineer (m/w/d)

Our mission is to provide innovative services critical to society, unlocking a cleaner, better, and more profitable future. Working towards this goal, Volue has become a leading technology supplier and enabler of the green transition, helping energy companies simplify and optimize everyday operations.

We are now looking for a Software Engineer who can help us to continuously improve Volue's ability to provide value to customers in line with the Volue mission.

What you will be doing to make a difference

• Build and evolve dispoPower and dispoGas, cloud-native Java Spring Boot applications that handle mission-critical energy nomination and scheduling messages between energy companies and European TSOs
• Implement and maintain integrations with TSO systems using protocols such as AS4 (ENTSOG/BDEW) and ECP networks, ensuring reliable and compliant message exchange across Gas and Power markets
• Work across the full message lifecycle: time-series ingestion, validation, XML generation, protocol dispatch, acknowledgement handling, and real-time anomaly and discrepancy detection
• Contribute to platform modernization, Spring Boot upgrades, test automation, API layer development, and automated tenant onboarding
• Collaborate closely with domain experts and product owners to translate European energy market requirements into robust, maintainable software
• Optionally contribute to our React/TypeScript frontends, operational dashboards that give energy dispatchers real-time market visibility

What you need to succeed

• At least 3+ years of professional software development experience
• Strong Java skills with Spring Boot - this is the core of everything we build
• Solid understanding of RESTful API design and relational databases (PostgreSQL or similar)
• Comfortable working in a cloud environment, ideally Azure
• Ability to work independently and take ownership in a small, agile team
• Good English communication skills (at least B2 level)

Nice to have

• React/TypeScript experience, if you can contribute to the frontend as well, that's a real plus
• Familiarity with energy markets, scheduling protocols, or XML-based messaging standards (ENTSOG, BDEW, ECP)

Reasons to join Volue team and what we offer

• Large degree of influence in shaping & developing the role further
• Great colleagues in one of Europe's most exciting green tech companies with innovative and international work environment
• Flexible working hours??? & competitive compensation package

In Volue, we cherish each employee's competence, ideas, and personality. Let your skills and talent be a part of our team - and let us leave our mark on the world together!???

Company Culture

In Volue, we believe that in order to be a successful company, we need to bring everyone to the table.

We look at diversity as a competitive advantage. A diverse workforce enables better decision-making and creates more value. By inclusion, we refer to the sense of belonging and being part of a community at work. We want the people of Volue to feel welcome, valued and not least encouraged to bring their whole, unique selves to work.

Volue is about people. From staff to client, people are at the center of all our operations, and we always strive for a flat structure where everyone feels included, appreciated and recognized for their individual efforts. Or as we call it "ONE Volue". We hire talented individuals, regardless of gender, race, ethnicity, ancestry, age, disability, sexual orientation, gender identity or expression, cultural background or religious beliefs.