Job
- Level
- Senior
- Job Field
- Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Tutzing
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you will design and develop robust backend systems in Java, implement networking protocols, and integrate cloud and on-premises data solutions while collaborating closely with QA and Product teams.
Job Technologies
Your role in the team
- This is a vacancy for a hybrid or on-site role at our HQ in Tutzing (south of Munich) or Amsterdam. We encourage applications from all qualified candidates, regardless of gender identity.
- As we continuously expand and improve our Data Platform, we are seeking a Senior Software Engineer (Java & Networking focus) to join our Engineering department. This department is responsible for the design, development, and growth of our Data Platform as well as our Data Network and connected Data Products.
- You will be responsible for designing and implementing robust, high-performance backend systems, working closely with senior engineers on low-level networking infrastructure, data transport, and platform scalability.
- Developing, testing, and deploying core backend components of our Data Platform, with a focus on performance, reliability, and scalability.
- Designing and implementing network-layer solutions in Java, including HTTP tunnelling, TCP/IP communication, and Netty-based pipeline architectures.
- Building and maintaining load balancing strategies and understanding their role in distributed, high-availability systems.
- Designing integrations that combine cloud systems with on-premises data sources with a seamless operations experience.
- Contributing to technical designs and actively participating in code reviews to ensure clean, maintainable, and production-grade code.
- Actively integrating AI tools into your engineering workflow—using them to accelerate engineering, automate repetitive tasks, improve code quality, and explore solutions faster.
- Collaborating closely with QA and Product teams to deliver reliable, high-quality releases.
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Our expectations of you
Qualifications
- Solid understanding of Java networking internals—including NIO, sockets, HTTP/HTTPS tunneling, and proxy protocols.
- Knowledge of load balancing concepts - L4/L7 load balancing, connection pooling, health checks, and failover strategies.
- Strong debugging skills and a structured, solution-oriented mindset - particularly when dealing with low-level networking or concurrency issues.
- Gutes Verständnis von Integrationsprotokollen: HTTP/HTTPS, REST, WebSocket, orgRPC.
- Confidence with concurrency and multithreading in Java - thread safety, executors, reactive patterns.
- Some exposure to asynchronous messaging systems (e.g., Kafka, AMQP, MQTT).
- A proactive attitude toward AI-augmented engineering - you actively use AI tools (LLM assistants, code generation, automation agents, etc.) to improve your own productivity and the quality of your output.
- Familiarity with TypeScript is a welcome plus, but not a requirement.
- Clear communication skills in English; sufficient German for everyday collaboration is a welcome plus, but not a requirement.
Experience
- Around 3-6 years of experience in backend development, with strong hands-on skills in Java.
- Practical experience with Netty or similar async networking frameworks (e.g., Vert.x, gRPC); ability to reason about event loops, channel pipelines, and non-blocking I/O.
- Solid experience with test automation (e.g., JUnit, Mockito, or similar frameworks) and a commitment to well-tested, maintainable software.
- Hands-on experience with at least one database technology: PostgreSQL, Oracle, MSSQL, MySQL, or MongoDB.
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What we offer
- Opportunity to work flexibly from home.
- Modern offices in Germany and the Netherlands.
- A personal Learning & Development budget.
- Up to 30 days of remote work per year from any EU country.
- 2 additional paid days off on Christmas Eve and New Year's Eve.
- Company pension plan.
- 30 vacation days a year.
- Location-specific benefits packages (your recruiter will be happy to provide more details during your first chat).
- Company-sponsored business travel.
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Topics that you deal with on the job
Job Locations
This is your employer
Lobster DATA GmbH
Lobster DATA GmbH, based in Tutzing, Germany, specializes in the development of no-code software solutions. The company offers a comprehensive data platform that assists organizations in the efficient integration and automation of data. With a focus on EDI standards and APIs, Lobster DATA GmbH serves various industries, including logistics, manufacturing, and trade.
Description
- Company Type
- Established Company
- Working Model
- Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Senior Software Engineer - Java
- Location
- Tutzing
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
