Role: Technical Business Analyst Location: Spain, Portugal or Poland (Remote) Role Type: Permanent Skills: Mainframe modernization, Java, Legacy Systems, microservices architecture Working model: 100% remote from the mentioned locations Fluent English Speaker Role Overview We are seeking a Technical Business Analyst to act as a key liaison between business stakeholders and IT development teams. This role focuses on projects involving mainframe legacy systems and modern applications during a large-scale digital transformation and system migration effort. Note: This is not a Functional Business Analyst role. We require a Technical BA with hands-on technical experience , particularly in mainframe modernization projects. Key Responsibilities Requirements Analysis: Gather and analyze user needs, define system scope and technical objectives, and translate them into detailed technical specifications (BRDs, FRDs, user stories). System Analysis & Design Support: Assess existing mainframe systems (input/output, data flow, hardware/software requirements) and support design of new or modified application components. Collaboration & Communication: Act as a bridge between business and IT teams, facilitating communication between mainframe developers and Java developers to ensure technical solutions align with business goals. Documentation: Prepare and maintain technical specifications, program documentation, and user guides. Testing & Support: Work with QA teams on unit, integration, UAT, and regression testing; troubleshoot and resolve technical issues; provide ongoing maintenance support. Modernization Initiatives: Support integration of mainframe systems with cloud-based solutions , distributed architectures , and microservices using Java APIs and related technologies. Mandatory Skills Mainframe Technologies: Minimum 5+ years of experience with COBOL , JCL , CICS , and DB2 for z/OS . Java Development: Hands-on experience with Java/J2EE , Spring Core , Spring Boot , and API development . Database Expertise: Strong knowledge of relational databases , SQL , stored procedures , and DB2/VSAM file systems . Integration Technologies: Familiarity with MQ queues , RESTful services , and secure file transfer solutions . Methodologies & Tools: Experience with Agile/Scrum , DevOps practices , and testing/debugging tools . Soft Skills: Excellent communication in English, strong analytical and problem-solving skills, ability to translate complex business concepts into technical solutions. Nice-to-Have Skills AWS cloud knowledge Experience in digital transformation projects and legacy system migration Qualifications Experience: 5+ years in similar roles Education: University degree in technology (Computer Science preferred) Personal Qualities: Team player, strong stakeholder management, conflict resolution skills, proactive mindset.