Wadim L.
Software Engineer & Consultant
Experience
Sep 2023 - Present
2 yearsPaderborn, Germany
Software Engineer & Consultant
Kontakt Freiberuflich
- Consulting and support as a full-stack developer focusing on backend development (Java, Azure DevOps)
- Using agile methods like Scrum and Kanban
- Providing support for testers and other project stakeholders
- Creating documentation and developer training
- Upgrading Spring Boot and Hibernate versions
- Adjusting build pipelines
Sep 2023 - Jun 2025
1 year 10 monthsPaderborn, Germany
Software Engineer
abat+ GmbH | Daimler Trucks AG
- New development of the vehicle planning and delivery system (FAPS)
- Migration of a monolithic COBOL backend to a service-oriented architecture with Spring Boot
- Contributing to technical architecture and interface design
- Developing a service based on Spring Boot for migrating existing data to a new data model
- Developing REST APIs and the related service layer
- Developing middleware to integrate the new backend into an existing client
- Writing unit and end-to-end tests
Jan 2023 - Mar 2023
3 monthsCologne, Germany
Software Engineer
World-leading issuer of GLN numbers
- Developing a microservice for form requests with NestJS (TypeScript, NodeJS)
- Developing REST APIs
- Containerization with Docker
- Implementing CI/CD processes in Azure DevOps
- Adapting the Azure Logic App
- Deploying and configuring in Azure App Services for Docker
Mar 2021 - Jun 2023
2 years 4 monthsCologne, Germany
Software Engineer
World-leading issuer of GLN numbers
- Developing a system landscape based on CQRS for issuing GLN numbers
- Implementing microservices with NestJS (TypeScript, NodeJS)
- Developing REST and gRPC APIs
- Developing Azure Functions (TypeScript, NodeJS)
- Containerization and orchestration with Kubernetes and Helm
- Implementing CI/CD processes in Azure DevOps
- Adapting the frontend (VueJS, TypeScript, NodeJS)
- Maintenance and support
Mar 2021 - Dec 2022
1 year 10 monthsDüsseldorf, Germany
Full-stack Developer
Federal Agency
- Implementing a SaaS solution for sending push notifications to mobile devices (Android, iOS)
- Implementing microservices with Spring Boot 2 (Java 11 & 17)
- Implementing REST APIs
- Writing unit tests
- Containerization and orchestration with Kubernetes and Helm
- Creating a frontend for managing devices and sending messages with Thymeleaf
- Supporting the development of a demo app (React Native)
Jan 2021 - Dec 2021
1 yearOberhausen, Germany
Fullstack Developer
Stadt Oberhausen
- Extended the open-source software “SORMAS” to generate lab orders
- Developed a library for generating lab orders (Java 8)
- Updated the backend (Java 8)
- Updated the database schema
- Updated the frontend using Vaadin 8
Jan 2020 - Dec 2021
2 yearsHamburg, Germany
Backend Developer
Multichannel Distance Retailer
- Implemented a middleware for data exchange between the frontend and SAP Hybris webshop
- Developed microservices using Spring Boot 2 (Java 11)
- Created unit tests
- Containerized the microservices
Aug 2017 - Jun 2023
5 years 11 monthsCologne, Germany
IT Specialist
Aleri Solutions GmbH
- Designed, developed, and implemented custom software solutions for clients from various industries using Java, TypeScript, and C#
- Collaborated with clients and teams to analyze requirements and create technical specifications
- Optimized and enhanced existing software solutions
- Implemented APIs and integrated third-party services
- Wrote extensive tests to ensure software quality
Summary
For more than seven years, I've been designing, implementing, testing, and maintaining software systems and applications for a wide range of platforms. My focus is on development with Java, C#, and TypeScript. I also regularly work with agile methods like Scrum and Kanban.
My projects stand out for their top quality, reliability, and performance.
Languages
German
NativeEnglish
AdvancedRussian
AdvancedEducation
Aug 2014 - Jul 2017
Raynet GmbH
IT Specialist in Application Development · Application Development · Paderborn, Germany
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.