02/04/2026 updated

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Lead Full-Stack Developer / Software Architect / Agile Coach

Berlin, Ireland
Worldwide
Dipl.-Ing. Wirtschaftsingenieurwesen / Software-Engineering
Berlin, Ireland
Worldwide
Dipl.-Ing. Wirtschaftsingenieurwesen / Software-Engineering

Profile attachments

Robert Langner - Freelance Profile 202404.pdf

DatawarehouseData Vault ModellierungJavascriptLeadReact.jsFull Stack DeveloperSenior DeveloperAgile Software DevelopmentAmazon Web Services (AWS)Requirements EngineerGithubJIRAAtlassianconfluenceProjectmanagementMySQLScrum MasterData IntegrationKanbanEngineering ManagerTeamlead
  1. German IT-Engineer with 15 years of experience focused on Tech in the financial industry.
  2. Proven track-record of building hands-on software and taking responsibility for products, projects, and (international) teams.
  3. Passion for agile software development, smart data solutions combined with the newest AI.

  1. SprachenDeutsch (Muttersprachler)
  2. Englisch (Verhandlungssicher)
  3. Spanisch (Intermediate)
Projektmanagement & Agile Entwicklung: Agile Methodologies, Scrum Master, Projektleitung und Teilprojektleitung, Team Leadership, Coaching
Full-Stack Development: React, React.js, React Native, Next.js, Redux, Styled Components, JavaScript, TypeScript, Node.js, PHP, Java EE, RESTful APIs
Cloud Technologies: AWS, GCP, Cloud Services, CI/CD, Big Query
Data Engineering & Management Data Integration, Data Management, ETL, MySQL, Postgres, Oracle, Data Vault, SAP Powerdesigner, Data Governance, Ab Initio, Microstrategy

Languages

GermanNative speakerEnglishFluentSpanishGood

Project history

FullStack Developer / Architekt - Green Field Data Platform

Greentech Startup

Internet & IT

< 10 team member

  • Planned and implemented a B2B SaaS platform for managing sustainable product data in e-Commerce using React, Node.js, TypeScript, and AWS.
  • Leveraged Generative AI (ChatGPT) for data enhancement, real-time recommendations, and AI-powered verification engine.
  • Established CI/CD pipelines, automated testing, and monitoring solutions to ensure robust and efficient development workflows.

Engineering Team Lead CRM Domain

Internet & IT

50-250 team member

  • Led a team of Backend and Frontend Developers (5) as an Engineering Manager.
  • Utilized AWS, MySQL, PHP, and React JS for development, adopting agile methodologies (Scrum & Kanban).
  • Coordinated with product management and stakeholders, implementing testing strategies and quality assurance measures.
  • Enhanced software performance and reliability through effective CI/CD and monitoring systems.
  • Piloted the introduction of generative AI in the software development process (e.g. Github Co-Pilot).
  • hands-on with PHP 8, MySQL, Rest-APIs, Requirement Mangagements

Interim CTO / VP Engineering - e-Commerce

Goods & Retail

250-500 team member

  • Led multiple remote development teams as CTO
  • Defined the IT roadmap and prioritized objectives to align with business goals.
  • Introduced enterprise wide Scrum methodology for effective project management and team collaboration.
  • Optimized customer facing website (e-Commerce) and built crucial in-house applications.

Head of Engineering / Technology Lead

Banking & Financial Services

10-50 team member

  • Led product & tech team in developing the technical architecture and data processes for an investment application.
  • Collaborated with partner companies, including banks and KYC providers and liability umbrellas to create a reliable and stable finTech company
  • Utilized Postgres for database management, AWS for cloud services, React Native for mobile app development, and Node for backend.
  • Established agile methodologies and enterprise-wide OKR system

Head of Data Engineering / DWH

Banking & Financial Services

1000-5000 team member

  • Hired and led a team of 20 data engineers to implement an enterprise-wide Data Warehouse and Data Integration platform using Oracle, SAP PowerDesigner, Data Vault, and Ab Initio.
  • Designed and set up Business Intelligence processes to ensure data consistency and integrity across the bank. (BCBS 239)
  • Led successful audits proving the efficiency and compliance of solutions and processes.
  • Conceptualized technical aspects and set data modeling standards for the data warehouse project.
  • Promoted to Team Lead of Data Warehouse Development after 6 months.

Data Engineering / Full-Stack Developer

Banking & Financial Services

250-500 team member

  • Scrum projects for the implementation of various applications
  • Data Engineering (ETL) / Data Warehousing
  • Oracle DB, Oracle APEX

Full-Stack Developer

Banking & Financial Services

500-1000 team member

  • Software development (Java) of the application process for consumer loans
  • Contact person for the departments and maintenance of the product backlog

Application Management / Product Owner

Banking & Financial Services

50-250 team member

  • Application manager for the introduction of several specialised applications (fund master data system, proxy voting system)
  • Requirements Analyses, Jira
  • Project Management

Certificates

Professional Scrum Master I

scrum.org

2024

AWS Certified Solutions Architect

Amazon

2019

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