Sergej Kukshausen

About Me

Work Experience

• 2020 - Present
  Technical Project Manager / Team Lead
  Fiserv, Frankfurt am Main
  • Lead a cross-functional team of 4 engineers and analysts: interviewing and hiring, regular 1:1s, coaching, goal setting, and performance reviews
  • Led modernization of a high-availability payment routing system from on-prem mainframe to cloud-native microservices on AWS — 31% lower infrastructure costs, 12% faster incident resolution
  • Hands-on daily with Python and Bash: built data post-processing pipelines for very large files and authored custom AI skills for GitHub Copilot, Claude, and Codex
  • Cut product launch time by 21% by introducing Scrum across cross-functional teams; partner with Product on a customer-centric backlog
  • Delivered PSD2/GDPR-compliant features across legacy and cloud environments; passed three consecutive internal audits with zero findings
• 2018 - 2020
  Engagement Manager
  Capgemini, Frankfurt am Main
  • Oversaw multi-million-euro IT initiatives for cross-border and domestic payment systems (SEPA), ensuring end-to-end regulatory compliance
  • Managed a distributed delivery team of 4 across Germany and India — 100% of milestones on time and under budget
  • Delivered a €2.2M digital transformation program for a major German finance processor, coordinating 6+ vendor systems and migrating operations to a hybrid-cloud environment
  • Modernized legacy document workflows, cutting manual processing by 75% (€180K/year savings)
• 2016 - 2018
  Technical Project Manager
  ITEXIA, Dresden
  • Led end-to-end execution of an advanced automation project in the Industry 4.0 domain, hitting 100% of key milestones
  • Drove a 27% boost in customer satisfaction through close collaboration, risk management, and proactive communication
• 2014 - 2015
  Project Manager
  TTE-Europe, Dresden
  • Led IT initiatives in the explosives industry, delivering modern, scalable Java-based web applications
  • Directed technical teams for timely, efficient delivery

Education

• 2010 - 2016
  BSc Computer Science, Technical University Bergakademie, Freiberg
  Bachelor thesis at the Institute of Computer Science
  Title: Development of a mobile application for voice activity detection

Certifications

• Professional Scrum Master I (PSM I)
• Certified SAFe 4 Agilist

Skills

Key Projects

• Payment Routing System Cloud Migration — Led modernization of a high-availability payment routing system from on-prem mainframe to cloud-native microservices on AWS, cutting infrastructure costs by 31% and speeding up incident resolution by 12%.
• AI-Assisted Development Workflow — Authored custom AI skills for GitHub Copilot, Claude, and Codex, plus Python pipelines for large-scale data post-processing, accelerating the team's development workflow.
• Industry 4.0 Asset Management Platform — Architected and delivered a scalable platform with integrated mobile support for ITEXIA.
• Payment System Modernization — Oversaw modernization of national payment systems for Capgemini, managing a €2.2M budget.

Tools I Use Daily

Docker & Kubernetes

Daily use of containerization for development and deployment. Experienced in multi-container applications and orchestration.

n8n

My go-to tool for workflow automation. Creating complex integrations between services and automating routine tasks.

Jira & Confluence

My daily driver for agile project management, sprint planning, and team documentation. Expert in setting up efficient workflows and dashboards.

GitLab CI/CD

Expert in setting up and maintaining CI/CD pipelines. Managing code repositories and automated deployment workflows.

AWS Cloud

Daily work with AWS services for cloud infrastructure. Managing EC2, S3, RDS, and implementing serverless solutions.

Retool

Building internal tools and dashboards for team efficiency. Creating custom admin panels and data management interfaces.

Insights