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Job Title: Java Developer

Company: Hitachi Rail GTS India

Location: Bangalore, India

Salary: As per Industry

Company Overview:

Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signalling, Mobility as a Service (MaaS), service & maintenance, digital technology, ticketing, and turnkey solutions. By pioneering digital transformation, Hitachi Rail ensures seamless, sustainable transport for passengers, customers, and communities.

Position Overview:

We are seeking a seasoned Java Web Developer with extensive experience in Docker and GraalVM to lead the transformation of monolithic Java applications into efficient, containerized microservices. The ideal candidate will have a deep understanding of JVM internals, containerization, and native image generation, will play a pivotal role in transforming monolithic applications into high-performance, scalable services optimized for virtualized and cloud environments.

Job Roles & Responsibilities:

• GraalVM Integration: Utilize GraalVM's Native Image capabilities to compile Java applications ahead-of-time, resulting in faster startup times and reduced memory footprint.

• Application Porting: Migrate existing Java web services to virtual machines, ensuring seamless operation and performance optimization.

• Performance Tuning: Analyse and enhance application performance, leveraging GraalVM's polyglot capabilities to integrate multiple languages where beneficial.

• Containerization: Develop and maintain Docker containers for Java applications, ensuring consistency across development, testing, and production environments.

• Collaboration: Work closely with cross-functional teams to ensure smooth deployment and integration of ported applications into virtualized environments.

Skills:

• Java Expertise: Proficiency in Java 8 or higher, with a strong understanding of object oriented programming principles.

• GraalVM Experience: Hands-on experience with GraalVM, including Native Image generation and JIT compilation.

• Docker and Kubernetes Proficiency: Extensive experience in containerizing Java applications using Docker, with a deep understanding of Docker file optimization and multi-stage builds.

• Oracle SQL/PLSQL: Proficiency in Oracle SQL and PL/SQL, with experience in developing and optimizing complex SQL queries, stored procedures, functions, and triggers.

• Performance Optimization: Proven ability to analyze and optimize application performance, including memory usage and startup times.

• Microservices Architecture: Familiarity with microservices architectures and frameworks like Spring Boot or Quarkus.

• CI/CD Pipelines: Experience in setting up and maintaining continuous integration and continuous deployment pipelines.

• Linux OS Proficiency: A solid understanding of Linux operating systems such as file systems, process management, networking configurations, and command-line tools.

• Problem-Solving Skills: Strong analytical and troubleshooting skills, with the ability to resolve complex technical issues.

Experience: 4-7 Years

Education:

• Bachelor’s or master’s degree in computer science, Information Technology, or a related field.

• 2+ years of experience in solution architecture or software design.

• Definition and writing of software functional tests to validate developments.

• Design of deployment in high-availability and resilient mode.

• Development and maintenance of deployment scripts.

• Updating all documentation related to target projects.

• Strong understanding of cloud platforms (AWS, Azure, or Google Cloud).

• Experience in system integration, API design, microservices, and SOA.

• Active participation in the Agile team, respecting applicable ceremonies (daily meetings, retrospectives, end-of-sprint demonstrations, poker planning, etc.)

• Familiarity with data modelling and database technologies (SQL, NoSQL).

Hitachi Values:

We are proud to say we are an equal opportunity employer and welcome all applicants for employment without attention to any factor that doesn’t impact your ability to do the job, including race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We are proud of Japanese heritage, with our values expressed through the Hitachi Spirit:

• Wa – Harmony, Trust, Respect

• Makoto – Sincerity, Fairness, Honesty, Integrity

• Kaitakusha-Seishin – Pioneering Spirit, Challenge