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Valentin Marginean-Senior Backend Developer

Valentin Marginean - Senior Backend Developer - profile avatar
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Timișoara, Romania

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Experience

Mar 2021 - Present

Senior Backend Developer

Self-employed

Position Summary
Senior Backend Developer at Self-employed
Industries
Insurance
Information Technology
Business Areas
Information Technology
Product Development
Quality Assurance
  • Long-term collaboration with clients from Germany - modernization and implementation with Spring Boot
  • Participation in every stage of software development: defining requirements, planning sprints/tasks, implementation, automated testing, deployment, and bug fixing
  • Implementation of automated tests with JUnit (80% test coverage for over 9 months)
  • Software architecture and development of new modules with a focus on clean code and industry standards
  • Development of client-side API code and integration with external APIs: Auth0, Amazon S3, Outlook email, and two proprietary insurer APIs
  • Coaching of junior software developers
Aug 2019 - Mar 2021
Hamburg, Germany

Backend Developer

Client in the finance sector

Position Summary
Backend Developer at Client in the finance sector
Industries
Banking and Finance
Business Areas
Information Technology
Quality Assurance
  • On-site work with communication in German
  • Development and automated testing (test coverage > 80%) for a modern Spring Boot microservice application
  • Adjustments aimed at deployment across multiple environments: federal cloud, JBoss EAP, and Tomcat
Nov 2017 - Mar 2020
Timișoara, Romania

Full Stack Developer

virtual7

Position Summary
Full Stack Developer at virtual7
Industries
Information Technology
Business Areas
Information Technology
Product Development
Quality Assurance
  • Design, implementation, and presentation of new microservice applications
  • Automated testing: JUnit for backend, Jasmine & Karma for frontend
  • Coaching of three new team members

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Insurance, and Banking and Finance.

Information Technology
Insurance
Banking and Finance
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Quality Assurance, and Product Development.

Information Technology
Quality Assurance
Product Development
Profile match chart

Summary

I am a self-employed backend developer with 5 years of experience in international teams. Because I place a high value on good communication and collaboration, I can quickly get up to speed in new teams and coach new teammates in a short time.

One of my passions is learning. That allows me to become productive very quickly, even when the technology is new to me. Often it took less than 3 days from researching a new library to implementing new features.

I appreciate clean code and automated testing (with TDD). This way, I can write code that is easy to understand and maintain, and still in use many years later.

Skills

  • Java & Junit
  • Spring Boot
  • Sql
  • Elasticsearch
  • Html & Css
  • Javascript
  • Microservices
  • Docker
  • Bash
  • Portainer
  • Autho
  • Flyway
  • Liquibase
  • Hibernate Jpa
  • React
  • Swagger Openapi
  • Talend Open Studio

Languages

Romanian
Native
German
Advanced
English
Advanced

Certifications & licenses

Spring Professional

Statistics

Experience

Total positions 3
Experience in Information Technology 7.5 y
Avg length 3 y
Longest experience 5 y 2 m

Global Experience

Countries worked in 2 (Germany, Romania)
Primary country Germany

Expertise

Recent roles Senior Backend Developer, Backend Developer, Full Stack Developer
Main industries Information Technology, Insurance, Banking and Finance
Main business areas Information Technology, Quality Assurance, Product Development

Qualifications

Certifications earned 1

Profile

Created
Last Update

Frequently asked questions

Have questions? Find more information here.

Valentin is based in Timișoara, Romania.
Valentin speaks the following languages: Romanian (Native), German (Advanced), English (Advanced).
Valentin has at least 9 years of experience. During this time, Valentin has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 3 years and 10 months. Note that Valentin may not have shared all experience and actually has more experience.
Based on recent experience, Valentin would be well-suited for roles such as: Senior Backend Developer, Backend Developer, Full Stack Developer.
Valentin's most recent position is Senior Backend Developer at Self-employed.
In recent years, Valentin has worked for Self-employed.
Valentin is most experienced in industries like Information Technology, Insurance, and Banking and Finance.
Valentin is most experienced in business areas like Information Technology, Quality Assurance, and Product Development.
Valentin has recently worked in industries like Insurance and Information Technology.
Valentin has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.
Valentin has 1 certificate: Spring Professional.
The availability of Valentin needs to be confirmed.
Valentin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Valentin, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
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Market avg: 496-656 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.