Java Backend Engineer (m/f/x)
full-time•Mannheim
About this role
Java Backend Engineer (m/f/x)
Department: osapiens Hub
Employment Type: Permanent - Full Time
Location: Mannheim
Description
About osapiens
At osapiens, more than 550 talented minds unite around one mission: enabling sustainable growth for businesses worldwide. Founded in 2018 and headquartered in Mannheim, Germany, we have built the AI-driven osapiens HUB - a multi-tenant platform hosting 26 enterprise-grade solutions designed for cross-company collaboration, automation, and compliance. With offices across Europe and the US, we are shaping the future of scalable and secure business technology.
At osapiens, more than 550 talented minds unite around one mission: enabling sustainable growth for businesses worldwide. Founded in 2018 and headquartered in Mannheim, Germany, we have built the AI-driven osapiens HUB - a multi-tenant platform hosting 26 enterprise-grade solutions designed for cross-company collaboration, automation, and compliance. With offices across Europe and the US, we are shaping the future of scalable and secure business technology.
Your Team
Our Backend Engineers (Hybrid in Mannheim · 3 days/week on-site) build the foundation of the osapiens HUB - the cloud platform powering all our SaaS products. The team develops engines for seamless monitoring, real-time data processing, centralized integration, automated workflows, and dynamic app development. Simply put: they build the core technologies that enable global companies to turn compliance into efficiency and sustainable growth.
Our Backend Engineers (Hybrid in Mannheim · 3 days/week on-site) build the foundation of the osapiens HUB - the cloud platform powering all our SaaS products. The team develops engines for seamless monitoring, real-time data processing, centralized integration, automated workflows, and dynamic app development. Simply put: they build the core technologies that enable global companies to turn compliance into efficiency and sustainable growth.
Your Key Responsibilities
- Design & Develop: Build and implement Java-based enterprise software with a strong focus on backend architecture and scalable system design.
- Own Features: Take full ownership of features from concept to delivery and ongoing support.
- Shape Architecture: Contribute to architectural decisions, technical discussions, and design planning in an agile environment.
- Mentor & Review: Support junior developers and conduct peer code reviews to uphold high-quality coding standards.
- Collaborate & Grow: Work closely within an agile development team, learning from senior engineers and continuously growing your technical and professional skill set.
Your Experience
- Passion for Platform Engineering: You’re excited about building scalable, distributed backend systems that create real-world impact for global companies.
- Java Expertise: Solid experience with Java or JavaEE, ideally with Spring or Spring Boot frameworks.
- Database Skills: Proficiency with relational and/or NoSQL databases such as PostgreSQL, MongoDB, or Cassandra.
- API Development: Strong experience building and integrating RESTful and/or SOAP web services.
- Test Automation: Experience implementing and maintaining automated tests (unit, integration, end-to-end).
- Distributed Systems Knowledge: Understanding of common challenges such as scalability, consistency, and availability.
- Modern Engineering Practices: Familiarity with Git and a collaborative, agile mindset.
- Bonus Skills: Hands-on experience with search and analytics engines like OpenSearch or Elasticsearch is a plus.
Join us for this and more...
- A purpose-driven mission tackling complex sustainability challenges while working alongside global industry pioneers at a fast-growing unicorn company
- Room for creativity through collaborative teamwork and an open communication culture
- Flexibility and team bonding with our hybrid work options
- Fuel for your growth journey, both personally and professionally
- Sustainable mobility options, promoting eco-friendly commuting solutions
- Fun team events and outings with our global teams
- Inspiring workspaces in Mannheim and beyond
What you'll do
- The Java Backend Engineer will design and develop Java-based enterprise software, focusing on backend architecture and scalable system design. They will take ownership of features from concept to delivery and support, while also mentoring junior developers.
About osapiens
osapiens – one platform for sustainable growth
osapiens develops cloud-based software solutions that empower companies to drive sustainable growth across their entire value chain. With powerful data integration and real-time analytics, osapiens supports companies to consolidate, interpret and act on complex operational data and sustainability metrics.
The osapiens HUB – a scalable, AI-powered platform – combines over 25 solutions to enhance operational efficiency and sustainability in two core areas: Transparency solutions enable companies to map and monitor their entire value chain to mitigate supply chain risks and comply with regulatory requirements such as EUDR, CSRD and CSDDD. Efficiency solutions facilitate operational excellence by streamlining maintenance processes, optimizing asset performance, and enabling efficient planning, scheduling, and field service operations.
Headquartered in Mannheim, Germany, osapiens works with an international team of over 500 employees to support more than 1,800 customers worldwide.
Ready to join osapiens?
Take the next step in your career journey
Frequently Asked Questions
What does a Java Backend Engineer (m/f/x) do at osapiens?
As a Java Backend Engineer (m/f/x) at osapiens, you will: the Java Backend Engineer will design and develop Java-based enterprise software, focusing on backend architecture and scalable system design. They will take ownership of features from concept to delivery and support, while also mentoring junior developers..
Is the Java Backend Engineer (m/f/x) position at osapiens remote?
The Java Backend Engineer (m/f/x) position at osapiens is based in Mannheim, Baden-Württemberg, Germany. Contact the company through Clera for specific work arrangement details.
How do I apply for the Java Backend Engineer (m/f/x) position at osapiens?
You can apply for the Java Backend Engineer (m/f/x) position at osapiensdirectly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.