Senior Software Engineer – Java & AI-Native Development (f/m/d)
- SupplyOn AG
- Budapest
- Work experience
Who we are and what we do
SupplyOn is the digital infrastructure for globally connected industries.
For more than 25 years, our platform has managed complex supply chains, connecting over 70 percent of the world’s leading industrial companies and ensuring that everything is in the right place at the right time.
We drive digital transformation where it truly matters: in the real network. Technologically strong. Internationally connected.
Our SupplyOn team, made up of many talented individuals, is growing with new challenges, employees, and development opportunities. To drive innovation and digitalization forward together, we are looking for a Senior Software Engineer – Java & AI-Native Development (f/m/d) to join us immediately in our Budapest office - Hybrid (3 days/week onsite)
Together, we want to make a real impact. Do you? Then we look forward to welcoming you as part of our team!
What you will do
Develop and modernize our business-critical enterprise applications by delivering new functionality, reducing technical debt and simplifying legacy architectures. Leverage AI-native software engineering to increase development efficiency and establish a maintainable, AI-ready codebase while ensuring stable production operations.
- Develop, maintain and modernize Java-based enterprise applications, including backend services, APIs and modern frontends.
- Analyze legacy systems using AI-supported tools and contribute to their modernization and migration to private cloud environments.
- Collaborate with Product Owners, architects and development teams to translate business requirements into sustainable technical solutions.
- Take end-to-end ownership of software quality and delivery through automated testing, code reviews and CI/CD practices.
- Leverage AI-driven engineering workflows to improve development efficiency, quality and maintainability.
- Identify and resolve technical issues, performance bottlenecks and security vulnerabilities.
What you should bring
- Several years of software development experience, with strong Java and Spring expertise across legacy and modern technologies.
- Experience with AI-native software engineering and AI-driven development workflows.
- Strong ownership mindset, analytical thinking and a focus on simplifying complex legacy systems.
- Experience with React, JavaScript/TypeScript, REST APIs and relational databases (SQL).
- Strong understanding of automated testing, Git, CI/CD and containerized applications.
- Fluent English and Hungarian; German language skills are a plus.
- Ideally, experience with Kubernetes/OpenShift, MCP servers, Spring AI or JSP-to-React migrations.
- Deeper expertise in Product & Business Logic, Software Architecture or Software Quality is a plus.
How we work
- A modern working environment with a high degree of autonomy and creative freedom
- Close collaboration within agile and cross-functional teams
- Strong focus on personal and professional development
- Clear leadership principles, dedicated learning formats, and continuous growth opportunities
- A culture that values ownership, collaboration, and continuous improvement
Our environment is dynamic, our mindset clear: we think in impact, not in hierarchies.
We work across disciplines, continuously evolving our solutions together, and taking responsibility for what we do.
What unites us is the drive to make a difference. That’s why we create space – for independent work, new ideas, and both professional and personal growth.
At SupplyOn, development isn’t just possible – it’s part of who we are. Shaping and changing things is part of our everyday work.
You’re eager to contribute, think along, and co-create? Then SupplyOn is the right place for you.
What you can expect from us
At SupplyOn, you actively shape the company and bring your ideas to life. We offer development opportunities – within your team, through new roles, or across projects.
Our collaboration is built on trust, high professional standards, and mutual support. You’ll work with people who communicate openly, listen, and strive to get better together.
We provide guidance while giving you the freedom to find your own path.
What matters to us is what you bring – and what we create together.
Curious? Let’s Talk.
We believe that good collaboration starts with genuine dialogue.
That’s why we’ve designed our selection process so both sides can find out whether it’s the right fit – professionally and personally.
We usually get back to you within a few days.
Our process consists of three interviews – fair, transparent, and on equal footing. At least one is via video, two are usually in person.
This way, you’ll get to know not only us but also how we work on site.
Our process consists of three clearly structured interviews:
Initial Introduction (remote, approx. 30 minutes)
You’ll speak with our recruiting team. We’ll clarify initial questions, discuss expectations, and check whether our values and way of working align with your profile.
Technical Interview with Your Potential Manager
Here we go deeper. We want to understand how you work, what experience you bring, and how you tackle challenges. You’ll also gain insight into how we lead, make decisions, and collaborate.
Personal Meeting with the Team – Ideally On Site
You’ll meet colleagues you may work with in the future. It’s important to us that you get your own impression of our work environment, culture, and processes.
We conduct all interviews as equals – open, honest, and respectful.
You’ll have the space you need to ask questions and make a well-informed decision – just as we do.
- Robert Bingler
- Teamlead Talent Attraction
- +49 (0)811 9999 7 157
