Senior Software Engineer - Java

About The Job

The world’s most critical--and at risk--business applications have been neglected for far too long. Onapsis eliminates this blind spot by providing cybersecurity solutions dedicated to business-critical applications. Whether running on-premises, in the cloud, or a hybrid environment, Onapsis helps nearly 30% of the Forbes Global 100 understand the threats and risks across their SAP and Oracle landscapes.

We are looking for self-motivated and enthusiastic Software Engineer who want to make an impact in the cybersecurity space by continuing to advance, maintain, and enhance our platform features in the areas of application security testing for SAP applications, including the ability to review third-party custom code and transports, and automatic remediation for common code errors.

What You Will Be Doing, Your Legacy:

Working with leadership, product management, and the Onapsis research team. You will be engaged in evaluating, scoping, proposing, and building features to fulfill business solution requirements to protect our customers. Work collaboratively with a team of cybersecurity researchers, engineers, and product managers to iterate toward product definition and realization. Additionally, you will be working with the Architecture team to take the platform to the next level of maturity in terms of technologies and architecture design while advancing our quality engineering processes to deliver high-quality products and services while also working closely with security and IT professionals to ensure safe and secure systems architectures are followed. 

Requirements:

• Experience: A Bachelor’s Degree in Computer Science, Engineering, or a related field, or equivalent professional experience. You should have 8+ years of professional experience in software development, with at least 5+ years focused on Java.
• Java & Core Concepts: Deep expertise in modern Java (Java 17+), object-oriented programming principles, and common design patterns.
• Frameworks & Ecosystem: Proven experience building robust applications using the Spring Framework, particularly Spring Boot. You should be proficient with ORM frameworks like Hibernate/JPA.
• System Design & Architecture: At least 4+ years of experience in system design, including designing and building scalable, reliable, and maintainable systems. Strong knowledge of microservices architecture is essential.
• APIs & Data: Strong experience designing, building, and maintaining RESTful APIs and/or GraphQL. You should also have hands-on experience with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., Redis, MongoDB) databases.
• Development & Operations (DevOps): Proficiency in a Linux environment and experience with modern CI/CD practices and tools (e.g., Jenkins, GitLab CI). You should be comfortable with build tools like Maven or Gradle and have experience with containerization technologies like Docker and orchestration with Kubernetes.
• Testing & Quality: A strong belief in writing clean, testable code. Practical experience with Test-Driven Development (TDD) and familiarity with various testing levels (unit, integration, end-to-end)

Desired Skills Or Interests In:

• Cloud Proficiency: Hands-on experience developing and deploying cloud-native applications on platforms like AWS, GCP, or Azure. 
• Asynchronous Systems: Experience building event-driven systems using message brokers such as RabbitMQ, Apache Kafka, or similar technologies.
• AI Service Integration: Experience integrating Java applications with AI/ML models and services via APIs (e.g., OpenAI/GPT, Google Gemini, Hugging Face, AWS SageMaker).
• LLM Application Development: Familiarity with building applications that leverage Large Language Models (LLMs), including concepts like prompt engineering, RAG (Retrieval-Augmented Generation), and working with vector databases (e.g., Pinecone, Milvus).
• Data Pipelines: Understanding of or experience with building data processing pipelines that feed ML models, using tools like Apache Spark or Kafka Streams.
• Leadership & Communication: You have a track record of leading complex projects and mentoring other engineers. You can clearly communicate technical designs, project requirements, and product strategy to both technical and non-technical stakeholders.
• Observability: Experience with monitoring and observability tools (e.g., Prometheus, Grafana, ELK Stack) to troubleshoot and ensure the stability of production environments.
• Security Mindset: A good understanding of security best practices in software development to protect against common vulnerabilities.
• Agile Fluency: You thrive in an Agile development environment and are comfortable with its methodologies and practices. 

What We Offer:

• A role in shaping the future of protecting the most critical applications that run the world's business and a career that grows as the company grows.
• A unique culture of high achievement and teamwork.
• Supportive and humble colleagues are the space's top problem solvers and innovators.
• Financial security through competitive compensation and incentives.

Location:

The location for this role is Heidelberg. This is a hybrid role, so candidates must be commutable to Heidelberg.

About Onapsis:

Onapsis protects the business applications that run the global economy. The Onapsis Platform delivers vulnerability management, change assurance, and continuous compliance for business applications from leading vendors such as SAP, Oracle, and others. The Onapsis Platform is powered by the Onapsis Research Labs, the team responsible for the discovery and mitigation of more than 1,000 zero-day vulnerabilities in business applications.

Onapsis is headquartered in Boston, MA, with offices in Heidelberg, Germany and Buenos Aires, Argentina, and proudly serves hundreds of the world’s leading brands, including close to 30% of the Forbes Global 100, six of the top 10 automotive companies, five of the top 10 chemical companies, four of the top 10 technology companies, and three of the top 10 oil and gas companies.

For more information, connect with Onapsis on LinkedIn or visit https://www.onapsis.com.

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