Role: Technical Business AnalystLocation: Spain, Portugal or Poland (Remote)Role Type: PermanentSkills: Mainframe modernization, Java, Legacy Systems, microservices architectureWorking model: 100% remote from the mentioned locationsFluent English SpeakerRole OverviewWe 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 ResponsibilitiesRequirements 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 SkillsMainframe 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 SkillsAWS cloud knowledgeExperience in digital transformation projects and legacy system migrationQualificationsExperience: 5+ years in similar rolesEducation: University degree in technology (Computer Science preferred)Personal Qualities: Team player, strong stakeholder management, conflict resolution skills, proactive mindset.