TheWhiteam
TheWhiteam
Fondată în 2012, TheWhiteam este o firmă de consultanță tehnologică ce ajută organizațiile să își îmbunătățească profitabilitatea prin utilizarea eficientă a tehnologiei informației. Activitatea sa include consultanță IT și recrutare de personal pentru clienți din mediul privat și sectorul public, cu expertiză în arhitectura cloud, operațiunile centrelor de date, dezvoltarea backend și full-stack, precum și platforme de resurse umane precum SAP SuccessFactors. TheWhiteam recrutează profesioniști în domeniul tehnologiei pentru roluri flexibile la distanță și la sediu, în mai multe locații.

Senior Backend Developer, Java and Spring Batch – Remote in Spain

Modernize COBOL mainframe systems into Java and Spring Batch architectures while applying AI agents, automation, and advanced testing across the software development lifecycle.

Descriere

  • Analyze COBOL programs and JCL flows to understand dependencies, functional logic, and batch processes
  • Design and implement target architectures using Java, Spring Boot, and Spring Batch
  • Define jobs, steps, readers and writers, chunk processing, restart strategies, error handling, and return codes
  • Create and maintain specifications using Spec-Driven Development approaches
  • Build and optimize AI agents and development automations, including Claude Code, Cursor, and GitHub Copilot Agents
  • Implement validation and functional-equivalence mechanisms between legacy systems and modernized solutions
  • Design and execute testing strategies, including Golden Master, mutation testing, regression testing, and result comparison
  • Analyze quality, productivity, and cost metrics across the development pipeline
  • Propose continuous improvements to architecture, automation, and quality
  • Contribute to a strategic technology-modernization project and develop AI tools and agents for the SDLC

Cerințe

  • More than 5 years of Java development experience
  • Strong experience with Spring Core, Spring Boot, Spring Data, and Spring Batch
  • Production experience with complex batch processes, large data volumes, reprocessing, and fault tolerance
  • Knowledge of batch architectures, systems integration, and file processing
  • Ability to analyze COBOL, JCL, copybooks, and embedded SQL
  • Experience applying AI to the development lifecycle, including prompt engineering, AI agents, LLM response evaluation, and hallucination control
  • Experience with advanced testing, including mutation testing, test automation, edge cases, and oracle design
  • Knowledge of Git Bash and Python
  • Comfort working in the terminal and advanced technical environments
  • Professional English is valued
  • Experience in banking mainframe environments, including z/OS, DB2, CICS, IMS, and Control-M, is valued
  • Experience with COBOL-to-Java migrations and legacy application modernization is valued
  • Knowledge of Spec-Driven Development and executable specifications is valued
  • Experience with corporate batch frameworks, APX, Elara, and proprietary banking frameworks is valued
  • Experience building pipelines with MCP, hooks, subagents, and quality gates is valued
  • Experience measuring token cost, generation quality, and AI-assisted productivity is valued

Beneficii

  • 23 vacation days per year
  • 14 salary payments: 12 monthly payments plus additional payments in June and December
  • Flexible compensation with childcare vouchers
  • Flexible compensation with medical and dental insurance
  • Flexible working hours
  • Option to work on-site, remotely, or in a hybrid arrangement depending on circumstances
  • Access to leading-edge technologies and ongoing technology updates
  • Opportunity to work from locations worldwide

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