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Senior Java Backend Developer

GFT Poland·Salary not specified

Primary stack

SpringJenkinsOracle DatabaseJiraSOLIDJava

Nice to have's

DB2COBOLMainframe environmentsIBM Workload SchedulerWinSCP

Job description

Senior Java Backend Developer

About the Position

We are seeking a Senior Java Backend Developer to design, develop, and maintain robust, scalable, and high-performance backend solutions for enterprise systems. The ideal candidate will have strong expertise in modern Java technologies, Spring Framework, batch processing, relational databases, CI/CD practices, and software engineering best practices. This role also requires leveraging Large Language Models (LLMs) to improve development efficiency, code quality, and technical problem-solving.

Responsibilities

  • Design, develop, and maintain backend applications using Java 17+ and Spring Framework technologies
  • Develop and optimize batch processing solutions using Spring Batch, ensuring scalability, reliability, and performance
  • Build and maintain data access layers and SQL logic using Oracle Database
  • Manage database schema changes and version control through Flyway
  • Utilize Bitbucket for source code management, pull requests, and code reviews
  • Build, maintain, and improve CI/CD pipelines using Jenkins
  • Apply SOLID principles and clean code practices to ensure code quality and maintainability
  • Leverage prompt engineering techniques and LLMs such as ChatGPT, Claude, and Gemini to support development and troubleshooting activities
  • Track and manage requirements, tasks, and deliverables using Jira
  • Collaborate with cross-functional teams and contribute to architectural and technical decisions

Requirements

  • Strong experience with Java 17 or higher
  • Proven experience with Spring Framework and Spring Batch (2.x or higher)
  • Experience with Spring Boot
  • Hands-on experience with Oracle Database
  • Experience with database migration and versioning tools, preferably Flyway
  • Proficiency with Bitbucket for source code management and collaborative development
  • Solid experience implementing and maintaining CI/CD pipelines using Jenkins
  • Strong understanding and practical application of SOLID principles and clean code practices
  • Experience using prompt engineering techniques with LLMs such as ChatGPT, Claude, and Gemini
  • Experience using Jira for demand tracking and task management

Nice to Have

  • Experience or knowledge of DB2
  • Familiarity with COBOL and Mainframe environments
  • Experience with IBM Workload Scheduler (IWS)
  • Experience using WinSCP for secure file transfers
  • Experience working within large-scale enterprise environments

Soft Skills

  • Communication
  • Teamwork
  • Collaboration
  • Problem Solving
  • Proactivity
  • Adaptability
  • Self-Management
  • Decision Making
  • Organizational Skills
  • Ownership and Accountability
  • Strategic Thinking
  • Relationship Building

We Offer

  • Competitive salary
  • Remote work options
  • Professional development budget

About the Company

Als Partner für IT-Beratung und Software-Entwicklung sind wir auf die digitale Transformation unserer Kunden aus den Bereichen Finanzen, Versicherungen und Industrie spezialisiert. Unsere rund 700 Talente in Deutschland entwickeln mit modernsten Technologien nachhaltige Lösungen.

Cinco motivos para ser parte del #TeamGFT

  • Flexibilidad: Aquí el equilibrio lo es todo! Ofrecemos un entorno que respalda horarios flexibles y trabajo remoto.
  • Colaboración: La colaboración es fundamental. Trabajamos en equipos multidisciplinarios, donde cada persona aporta sus habilidades únicas.
  • Multiculturalidad: Contamos con un equipo global diverso que fomenta una atmósfera de aprendizaje y crecimiento personal.
  • Desarrollo: Ofrecemos un plan de carrera personalizado, así como programas de formación para desbloquear tu potencial.
  • Relevancia: Colaboramos con clientes líderes en la industria en proyectos de alto impacto que definen el futuro tecnológico.

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© GFT Poland. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.

The GFT Group is a global technology partner for future digital issues — from discovering innovation to developing and implementing sustainable business models. Within Group, GFT Poland (previously Rule Financial) is the provider of IT solutions to the global investment banking community.We work for 9 of 10 top investment banks of Wall Street and City of London.As part of GFT Group, we employ more than 3000 people in 11 countries, including 2 Polish offices located in Lodz and Poznan, where we employ 600 people.We offer challenging work in complex IT projects, using high frequency trading and best practices to deliver high quality software.We offer an opportunity to work in IT international projects for software developers and testers, application support engineers, project managers and business analysts. We are working with various technologies like Java, .NET, JavaScript, TDD, Oracle, ETL, Informatica and many more.

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