Michael Thomas-Senior Software Engineer — Backend Systems | Data Engineering | Enterprise Integration | Cloud Applications
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Experience
Senior Freelance Software Engineer — Enterprise Software & Data Projects
- Delivered backend systems, data processing solutions, and software integrations for enterprise business applications.
- Designed and implemented API-based services connecting internal platforms with external systems.
- Built automated processing workflows to handle large-scale structured business data.
- Improved application performance by 30–50% through database optimization, caching strategies, and backend refactoring.
- Reduced manual operational effort by 40–60% by automating repetitive workflows.
- Supported production environments through troubleshooting, monitoring improvements, and continuous optimization.
- Authored technical documentation and led knowledge-transfer sessions to support long-term maintainability.
Software Engineer — Digital Business Applications
- Developed full-stack enterprise applications using Python, TypeScript, React, Node.js, and relational databases.
- Built and maintained REST APIs supporting core business processes and third-party integrations.
- Designed database schemas and optimized SQL queries for high-volume application workloads.
- Implemented automated testing suites that reduced regression testing effort by 50%+.
- Improved deployment reliability through Docker-based development environments and CI/CD automation.
- Participated in Agile ceremonies including estimation, implementation, code review, and delivery planning.
Software Developer — Custom Software Solutions
- Developed business applications and backend services for customer-specific requirements.
- Implemented database-driven solutions and API integrations.
- Improved application reliability through systematic testing and debugging.
- Built reusable components that reduced future development effort.
- Supported software releases, maintenance activities, and technical documentation.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, and Product Development.
Summary
Senior Software Engineer with 8+ years of experience designing, building, and scaling backend systems, data engineering pipelines, and cloud-based enterprise applications. Proven track record delivering REST/GraphQL APIs, automated data workflows, and system integrations that improved performance by up to 50% and cut manual effort by up to 60%. Skilled in Python, TypeScript, Node.js, SQL, AWS, and Azure, with hands-on experience in Docker, Kubernetes, and CI/CD automation. Adept at managing the full software delivery lifecycle independently — from requirements and architecture through deployment and production support — while collaborating with distributed international teams.
Skills
Backend Software Engineering
Enterprise Application Development
Data Engineering & Processing
System Integration
Api Development
Database Optimization
Application Modernization
Cloud Application Development
Software Automation
Production Support
Technical Documentation
Agile Delivery
Languages: Python, Typescript, Javascript, Sql, Java, Bash/Shell Scripting
Backend: Node.Js, Express.Js, Fastapi, Rest Apis, Graphql, Microservices, Api Design, Authentication & Authorization, Background Processing
Frontend: React, Next.Js, Typescript, Component Architecture, State Management, Responsive Web Applications
Databases: Postgresql, Mysql, Sql Server, Mongodb, Redis, Elasticsearch
Data Engineering: Etl/Elt Development, Data Migration, Data Transformation & Validation, Data Quality, Sql Optimization, Process Automation
Cloud & Devops: Aws, Microsoft Azure, Docker, Kubernetes, Terraform, Ci/Cd Pipelines, Cloud Deployment, Monitoring & Logging
Quality Engineering: Unit/Integration/Regression Testing, Automated Testing, Code Review — Jest, Pytest, Postman, Cypress
Ai Application Dev: Llm Api Integration, Retrieval-Augmented Generation (Rag), Intelligent Search, Ai-Assisted Workflow Automation
Languages
Education
Technical University of Munich
Computer Science
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Michael is based in Munich, Germany and prefers 100% remote projects.
Michael speaks the following languages: German (Native).
Michael has at least 10 years of experience. During this time, Michael has worked in at least 3 different roles. The average length of individual experience is 3 years and 2 months. Note that Michael may not have shared all experience and actually has more experience.
Based on recent experience, Michael would be well-suited for roles such as: Senior Freelance Software Engineer — Enterprise Software & Data Projects, Software Engineer — Digital Business Applications, Software Developer — Custom Software Solutions.
Michael's most recent position is Senior Freelance Software Engineer — Enterprise Software & Data Projects.
Michael is most experienced in industries like Information Technology.
Michael is most experienced in business areas like Information Technology, Operations, and Product Development.
Michael has recently worked in industries like Information Technology.
Michael has recently worked in business areas like Information Technology, Operations, and Product Development.
Michael holds a Master in Computer Science from Technical University of Munich.
Michael is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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