Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic quality, local presence, and global-scale operations, we are backed by 8,500+ IT professionals. Our clients trust us for advanced data and analytics skills, top industry-specific expertise, specialized software R&D, and the capabilities of a multinational team. We are part of Tieto, a leading technology company with an annual revenue of approximately EUR 2bn.   

Tieto Tech Consulting’s team in Bulgaria consists of 500+ professionals specializing in the development of tailored digital solutions in diverse industries. 

We are looking to hire a Technical Business Analyst to support a large-scale train management platform for a major European transportation client. This position is ideal for someone who wants to grow in a more technical Business Analyst role while staying close to product, business, and stakeholder collaboration. You will analyze existing integrations and data flows, identify gaps and inconsistencies, and translate findings into clear tickets, acceptance criteria, and supporting documentation. You should feel comfortable navigating technical topics, have a genuine interest in integration and data mapping challenges, and demonstrate a structured, inquisitive, patient, and detail-oriented approach. 

Key responsibilities 

• Analyze data mappings and integration flows between multiple external partners and the client’s train management system 

• Work with backend-oriented requirements focused on data exchange, integrations, APIs, and communication contracts 

• Interpret partner data standards, schemas, and message structures to define how data should be transformed and ingested into the system 

• Work with JSON, XML, XSD schemas, communication contracts, and integration protocols 

• Identifying subtle details and inconsistencies and dependencies in data contracts and integrations specifications 

• Prepare clear analysis artifacts, user stories, and supporting documentation while collaborating closely with the Product Owner 

• Ask structured and precise questions to understand existing integrations, system behavior, and data flows 

• Support planning activities in a SAFe environment, including PI Planning and multi-sprint delivery increments 

• Contribute to effective communication with stakeholders, external vendors, and distributed teams across several European countries 

Required experience & qualifications 

• Previous experience as a Technical Business Analyst, System Analyst, Integration Analyst, or similar role 

• Strong analytical thinking and ability to understand complex system interactions, data dependencies, and integration flows 

• Experience with data mapping, data transformation, APIs, integrations, or system-to-system communication 

• Practical understanding of JSON, XML, XSD, schemas, and structured data exchange 

• Ability to read and interpret technical documentation, data contracts, interface specifications, and integration requirements 

• Experience working with Product Owners, technical teams, external vendors, and business stakeholders 

• Comfortable working in a large enterprise environment with multiple approval levels and cross-team dependencies 

• Ability to work proactively with ambiguity, incomplete information, and changing priorities 

A significant advantage would be  

• Experience with Azure-based environments and microservices architecture 

• Familiarity with Oracle APEX or enterprise platforms based on standardized vendor products 

• Experience in transportation, railway, logistics, supply chain, or other data-heavy integration domains 

• Knowledge of EDIGES, CargoWise, or similar industry communication standards 

• Experience working with external vendors and managing dependencies across multiple organizations 

• Willingness to travel occasionally for planning workshops and team alignment sessions 

• German language skills would be considered an advantage 

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.
Diversity, equity and inclusion | Sustainability | Tieto

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