Tech Leader - Microservices & Big Data

Talan – Positive Innovation

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.

Our Core Areas of Expertise

• Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.

• Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.

• Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

We are looking for a Tech Leader with strong experience in microservices architectures and big data solutions to join the CDAIO Tech & Engineer team.

The Tech Leader will act as the technical reference, driving architectural evolution across both application and Big Data ecosystems, ensuring high-quality delivery and alignment with business and data governance needs. This is a hands-on leadership role, combining strategic vision with strong execution capabilities.

Key Responsibilities

• Act as the technical leader and point of reference for the Datatooling platform.
• Define, evolve and govern the microservices architecture and REST APIs.
• Own key technical decisions, ensuring scalability, security and maintainability.
• Lead the integration and optimal use of ElasticSearch, Redis, and PostgreSQL.
• Drive the design and evolution of data processing solutions using Spark and Databricks.
• Oversee orchestration and scheduling of data workflows using Airflow and Control-M.
• Ensure alignment between application services and Big Data platforms.
• Define and enforce technical standards, best practices and architectural principles.
• Mentor team members and promote technical excellence.
• Collaborate with architects, data engineers and stakeholders.
• Proactively identify technical risks and define mitigation plans.
• Drive continuous improvement in code quality, observability, performance and reliability.
• Contribute to technical planning and roadmap definition.

Required Technical Skills

• Proven experience as a Tech Leader or Senior Technical role in microservices-based architectures.
• Strong expertise in REST API design and governance.
• Hands-on experience with:
• ElasticSearch
• Redis
• PostgreSQL
• Solid experience in Big Data technologies, including:
• Apache Spark
• Databricks
• Airflow
• Control-M
• Strong understanding of distributed systems, data platforms and scalable architectures.
• Experience working in Agile environments.

Nice to Have

• Experience in Data Governance initiatives or platforms.
• Knowledge of TrueDat (IBM) or similar data governance solutions.
• Experience with Docker and Kubernetes.
• Cloud platform experience.
• Ability to define cross-domain technical standards (application & data).