Data Architect - Data & AI Platforms (Databricks Focus) - Tieto Tech Consulting (m/f/d)

Employment: Full-time Experience level: Mid-Senior Level Job Description 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.  Key responsibilities  Lead the design and evolution of lakehouse-based data platforms using Databricks and modern cloud technologies  Define how data is ingested, processed, governed, and consumed across batch, streaming, and AI workloads  Own architecture decisions around Delta Lake, data modelling, data pipelines, and platform scalability  Act as a trusted advisor to customers, helping them modernize legacy data landscapes into cloud-native, Databricks-driven platforms  Drive architecture for end-to-end data solutions, from ingestion (batch/streaming) to analytics, ML, and AI use cases  Guide teams in building robust Spark-based pipelines and efficient data processing frameworks  Establish best practices for Data engineering using Spark/ PySpark; Data governance with Unity Catalog; Data lifecycle and quality across the platform  Lead solution workshops, technical deep-dives, and architecture sessions with clients and internal teams  Support pre-sales and solution shaping, especially around Databricks-based architecture and delivery models  Continuously improve platform design by introducing automation, DevOps practices, and reusable architecture patterns  Stay up to date with Databricks innovations (DLT, Asset Bundles, Genie, ML/AI features) and bring them into real use cases  Required experience & qualifications  8-10+ years of experience in Data Engineering, Data Architecture, or similar roles  Strong hands-on expertise in Databricks platform (core requirement), Apache Spark/ PySpark; Data pipelines and distributed data processing  Proven experience designing and implementing lakehouse architectures (Delta Lake)  Strong experience with Data modelling in large-scale analytical platforms; Batch and streaming data processing  Solid experience with cloud ecosystems (Azure preferred, AWS also relevant)  Understanding of data governance and security in modern platforms (e.g. Unity Catalog)  Experience working directly with customers in a consulting or advisory capacity  Ability to translate business requirements into scalable, cost-efficient data solutions  Strong communication skills and ability to simplify complex architecture topics  A significant advantage would be Experience with advanced Databricks components:  Delta Live Tables (DLT); Databricks Workflows / Asset Bundles; Unity Catalog at scale  Experience with real-time streaming architectures (Kafka, Structured Streaming)  Familiarity with complementary platforms: Microsoft Fabric; Snowflake; Synapse/ Redshift  Experience building AI-enabled data platforms, including: LLM-based solutions; RAG architectures; Data pipelines supporting ML/AI models  Experience with MLOps/ DataOps practices and CI/CD pipelines  Knowledge of infrastructure as code (Terraform, etc.)  Industry experience in banking, manufacturing, retail, or healthcare  Relevant certifications (Databricks, Azure, AWS)  Additional Information 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 Stay alert to recruitment scams: • Tieto only communicates via  @tieto.com  email addresses. • We never ask candidates to pay fees or share financial details during recruitment. • If you receive a suspicious message claiming to be from Tieto, don't respond — verify it via our official careers site. • For more information visit  Important Advisory Regarding Recruitment Fraud | Tieto Blog