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Codrin – Java EE, Spring Boot, React, experts in Lemon.io

Codrin

From Romania (GMT+3)

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Back-end Web DeveloperSenior
Front-end Web DeveloperMiddle-to-senior
Hire developer
6 years of commercial experience
Accounting
Administration
Advertising
Analytics
Consulting services
Consumer services
Edtech
Manufacturing
Retail
Social impact
Customer support software
Enterprise software
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Codrin – Java EE, Spring Boot, React

Codrin entered the tech field in 2018, primarily focusing on Java but also diving into React for both enterprise and personal projects. He rapidly advanced in his career, eventually leading a team of two engineers in two years. Codrin has contributed to organizations of various sizes, showcasing an aptitude for cost reduction. He is eager to continue honing his skills, with a focus on React and DevOps.

Main technologies
Java EE
5 years
Spring Boot
5 years
React
3.5 years
Additional skills
REST API
Angular
Oracle
Spring Security
Hibernate
AWS
Typescript
JavaScript
JPA
Spring MVC
Cryptography
React Hooks
MySQL
Microservices
API testing
RabbitMQ
Kubernetes
JUnit
Docker
Mockito
RxJS
OOP
Tailwind CSS
Amazon ECS
AWS Lambda
Amazon S3
Bootstrap
Jenkins
Ready to start
ASAP
Direct hire
Not available

Experience Highlights

Senior Back-end Developer
May 2022 - Jul 20231 year 2 months
Project Overview

It's a public institution project to build a better system for managing company legal processes using microservices, focusing on improving role-specific document processing for different court stages.

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Responsibilities:
  • Implemented a module focused on the efficient processing and communication of court dossier documents, directly influenced by the results of litigation and specific process phases;
  • Optimized the litigation process, delineating responsibilities among various role-specific entities and automating document processing in court according to each entity's specific phase and constraints.
Project Tech stack:
OpenAPI
Swagger
Docker
Kubernetes
Java EE
Java Core
Spring Boot
Spring Security
Oracle
REST API
Microservices
JUnit
Mockito
Spring Data
Full-stack Developer
Jun 2021 - Aug 20221 year 2 months
Project Overview

The first project involves a US tech company addressing challenges with onboarding new vendors and finding efficient shipment routes for equipment and services in South America. The second project focuses on collecting real estate debt and court trials across 20+ EU countries.

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Responsibilities:
  • Carried out screens to improve logistics for vendors and third-party teams, offering real-time updates, optimal shipment scheduling, and detailed insights into the delivery lifecycle;
  • Introduced an automated system for efficiently processing server-stored documents, including shipment data, records, and inventory details, enhancing accuracy and operational speed;
  • Designed and implemented a module to streamline communication for court trials involving Croatia, incorporating lessons from previous cases and safeguarding sensitive defendant information until the case is resolved;
  • Applied a tracking system for legal documents in court trials, allowing for process analysis and future step predictions based on the court's current status and fees.
Project Tech stack:
React
React Hooks
AWS
API testing
Spring Boot
Spring Security
Hibernate
JPA
Axios
RabbitMQ
Typescript
Git
REST API
MySQL
Microservices
Back-end Developer, Team Lead
Mar 2020 - Jun 20211 year 2 months
Project Overview

The first project is a notary platform aiming to digitalize their internal solutions. The second project is an eventful birthday planner.

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Responsibilities:
  • Implemented an advanced solution that decreased costs by 50%, particularly in the signing of documents through PKCS#11 and PKCS#12;
  • Engaged in the design and implementation of distinct modules for effective user management and the seamless issuance of certificates and licenses;
  • Engineered a customizable module for the creation of certificates and licenses, as well as greeting cards;
  • Established the automatic jobs synchronizing with the user's calendar, encompassing a specific list of holidays and individuals of interest.
Project Tech stack:
Java
Spring Boot
Cryptography
JavaScript
Full-stack Developer
Oct 2019 - Mar 20204 months
Project Overview

The first project is an event management platform for students aimed at organizing local business events. The second project involves a centralized payment application.

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Responsibilities:
  • Tailored the integration of registration pages for new users, introducing a preview assignment feature tailored for local businesses in proximity to the user's location;
  • Implemented payment integration through Authorize.net and built unit tests;
  • Optimized the logging mechanism to systematically log and store every request, fostering enhanced traceability for analytical and auditing endeavors;
  • Established an advanced abstraction layer, integrating specific rules that dynamically respond to user attributes, including region, currency, credit score, and balance;
  • Participated in the design and implementation of a centralized payments app, incorporating the functionalities of Stripe and Transcard.
Project Tech stack:
React
JavaScript
Spring Boot
Spring Security
API Gateway
REST API
PostgreSQL
Docker
Cryptography
Mockito
OOP
RxJS
Axios
Hibernate
JPA
Algorithms and Data Structures
HTML
Tailwind CSS
AWS
Full-stack Developer
May 2019 - Oct 20195 months
Project Overview

It's a greeting card company that involves two projects to improve their operational processes within the stores in the UK: a CRM platform and a photo capture app.

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Responsibilities:
  • Led a team of 2 junior developers in delivering a brand-new app in less than 3 months;
  • Carried out role-based perspectives to control access to salary and sensitive information across various departments;
  • Enhanced the loading time of views handling substantial data;
  • Reduced the costs of new equipment in the UK by implementing a new app aligned with the US app;
  • Improved the image processing workflow by introducing systematic verification steps, integrating alignment procedures to specific holidays and and storing foot traffic patterns.
Project Tech stack:
Angular
Angular Material
Bootstrap
AWS
Amazon S3
Amazon ECS
AWS Lambda
Spring Boot
Spring Security
Spring Data
JPA
Hibernate
Java Core
Java EE
Core Java

Education

2018
Automation and Applied Informatics
Bachelor of Engineering

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