Sr Java Software Engineer

Job Description Summary

GE Vernova's Electrification Software Global Delivery Center in Bucharest delivers mission-critical software solutions for energy transmission, distribution, asset, and market management. We focus on driving decarbonization and supporting the global energy transition through complex, large-scale software systems.

We are seeking a hands-on Senior Java Software Engineer who can contribute immediately to challenging enterprise projects and help shape the architecture, implementation, and operational excellence of our software solutions.

Employment Type: Full-time employee or B2B collaboration (SRL) arrangements are possible.

Job Description

We provide flexible software solutions for evolving markets that have complex market rules and differing regulatory and legislative compliance to follow. We deliver very large, interconnecting software systems that span multiple countries and regions.

We work on Market Management System designed around a modern architecture that supports product-based modules. These modules are reusable and can be easily implemented in a short amount of time to meet tight regulatory deadlines.

What You Will Work On

• Join an R&D team delivering high-impact software used in electricity markets: energy trading, capacity auctions, bidding, scheduling, settlement, balancing, reserve, and congestion management.
• Take ownership of all phases of development: solution design, architecture, coding, testing, deployment, and maintenance.
• Develop high-quality, production-ready code using Java, Spring Boot, and microservices/monolith architecture.
• Work on distributed systems, multithreading, high-performance applications, and database-intensive workflows.
• Collaborate with business experts to translate functional requirements into technical solutions.
• Troubleshoot and optimize software: transactions, caching, message queues, REST endpoints, and JVM performance.
• Contribute to team best practices in CI/CD, code quality, and software design.
• Demonstrate curiosity, proactive problem-solving, and strong communication skills. Be willing to explore complex technical challenges, learn continuously, and clearly explain solutions to teammates and stakeholders.
• Foster collaboration and adaptability - actively contribute to team discussions, share knowledge, and embrace a positive, solution-oriented attitude.

• Proven hands-on experience with Java (17+) and Spring Boot ecosystem (beans, DI, transactions, multithreading, concurrency, AOP).
• Strong expertise in Hibernate / JPA: transactional behavior, query optimization, persistence best practices, L1/L2 caching.
• REST API development: design, error handling, and integration with front-end or third-party services.
• Web security fundamentals: understanding of OWASP , secure authentication/authorization flows.
• Database proficiency: relational databases (Oracle, PostgreSQL, MS SQL), query tuning, and transactional integrity.
• Profiling and troubleshooting skills: JVM profiling, DB query profiling and performance optimization.
• Experience in enterprise systems: distributed applications, messaging (JMS/MQ), workflow engines (Flowable/BPMN) a plus.
• Strong English communication skills, capable of explaining complex technical solutions clearly.

• DevOps / CI/CD tools: Jenkins, Docker, Kubernetes, ArgoCD, Helm.
• Front-end exposure: Angular, TypeScript.
• Scripting: Bash, Batch, Groovy
• Experience with additional messaging frameworks, caching strategies, or performance optimization tools.

• Strong induction process (a dedicated 1-month ramp-up period).
• Flexible working hours and a well-defined hybrid working policy.
• Private Medical Insurance for you (can also be extended for family members).
• Increased number of vacation days, according to your work experience, encompassed by an annual bonus payout.
• Annual, performance-based, salary review.
• Multiple subscriptions, discounts and vouchers available (such as Bookster subscription, corporate discount to fitness services, gift vouchers for Christmas and Easter holiday, daily meal vouchers, additional days off such as 8th of March and 3rd Easter Day and children's benefits, including gifts for special occasions, vouchers, and events) etc.