Middle Full Stack Developer (React+Java)

Middle Full Stack Developer (React+Java)

Romania

Overview

Required skills

Java / strong React / strong Clouds / good English / strong

We are looking for a person with
- depth knowledge of Full Stack development who is striving to grow professionally.

Customer

It is an international technology company that specializes in developing
- load platforms for data processing and analytics. Its core product helps businesses manage large volumes of data, build models, and gain actionable insights. The company operates globally and serves clients primarily in the marketing and advertising sectors, and focuses on modern technologies, microservices architecture, and
- based solutions.

Project

The project focuses on working with audiences and targeting from the advertisers’ side (such as marketing agencies and similar structures). It is an independent project within a larger Ad
Tech platform.

Requirements

4 years of experience in software development using Java

Experience in building multitier web applications and creating REST APIs

Good understanding of OOP principles, design patterns, algorithms, and data structures

Hands on experience with React

Familiarity with cloud platforms (AWS, Google Cloud, or Azure)

Hands on experience with Linux/Unix environments

Experience with relational and/or No
SQL databases (e. g. , Postgre
SQL, Mongo
DB, Cassandra)

Ability to write clean, maintainable, and
- tested code

Eagerness to learn and contribute to engineering best practices

At least an Upper-Intermediate level of English

Responsibilities

Develop and maintain scalable web applications using a microservices architecture

Participate in designing and implementing RESTful APIs

Support ingestion, processing, and analytics pipelines for large datasets

Take part in
-
- concept (POC) initiatives to assess the viability of emerging tools and practices

Contribute to Front-end development using React

Ensure code quality through testing, code reviews, and adherence to best practices

Work with
- based infrastructure and tools to deploy and monitor applications

Collaborate with
- functional teams including Data Analysts and Scientists

Support continuous improvement by suggesting tools, frameworks, and workflow enhancements

Informații detaliate despre oferta de muncă

Firma:	Sigma Software
Localiția:	Romania
Adăugat:	30. 10. 2025 Postul de muncă activ

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