Junior Java Backend Developer

GFT Technologies; Colombia; Presencial; COP 31.248.000 - 62.496.000; Jornada completa

Descripción de la vacante

GFT Technologies Colombia is seeking a Junior Java Backend Developer to design, develop, and maintain backend solutions for enterprise systems. You will work under the guidance of senior team members and gain hands-on experience with Java 17+, Spring Framework, Spring Batch, Oracle SQL, and CI/CD pipelines.

You will collaborate with cross-functional teams, use Bitbucket and Jira, and contribute to and maintain CI/CD pipelines with Jenkins.

Formación

• Proficient with Java 17+ and modern back-end tech.
• Experience with Spring Framework and Spring Batch.
• Exposure to Oracle SQL and data access patterns.
• Familiarity with database migrations (Flyway).
• Understanding of CI/CD tooling (Jenkins) and source control (Bitbucket/Git).

Responsabilidades

• Support design, development, and maintenance of backend apps using Java 17+ and Spring (2.x+).
• Assist in implementing and testing batch processing solutions under guidance.
• Help develop data access layers and SQL logic for Oracle DB.
• Support database schema changes and migrations with Flyway.
• Use Bitbucket for version control, PRs, and reviews.
• Contribute to CI/CD pipelines with Jenkins.
• Write clean, maintainable code applying SOLID principles.
• Leverage LLMs (ChatGPT, Claude, Gemini) to assist development tasks.
• Track tasks with Jira and participate in technical discussions.

Conocimientos

Java 17+

Spring Framework

Spring Batch

Oracle SQL

Flyway

Bitbucket

CI/CD

Jira

English B2+

Herramientas

Jira

Bitbucket

Flyway

Jenkins

Descripción del empleo

We are looking for a Junior Java Backend Developer to help design, develop, and maintain backend solutions for enterprise systems, working under the guidance of senior team members. This role involves exposure to modern Java and Spring technologies, batch processing, relational databases, and CI/CD pipelines, while learning and applying best coding practices. The professional will collaborate closely with cross-functional teams and use Large Language Models (LLMs) to support development tasks and grow technical skills.

Responsibilities

• Support the design, development, and maintenance of backend applications using Java 17+ and Spring Framework / Spring Batch (2.x+);
• assist in implementing and testing batch processing solutions under senior guidance;
• help develop and maintain data access layers and SQL logic using Oracle Database;
• support database schema changes and migrations using Flyway;
• use Bitbucket for source code versioning, pull requests, and code reviews;
• contribute to and help maintain CI/CD pipelines with Jenkins;
• write clean, maintainable code by learning and applying SOLID principles and best practices;
• use prompt engineering techniques with LLMs (ChatGPT, Claude, Gemini) to support development and troubleshooting tasks;
• track and update tasks using Jira;
• and actively participate in technical discussions, asking questions and sharing ideas.

Required Skills & Qualifications (Must-Have)

• Basic to intermediate experience with Java 17 or higher;
• familiarity with Spring Framework and Spring Batch (2.x or higher);
• exposure to Oracle Database and SQL;
• willingness to learn database versioning and migration tools such as Flyway;
• basic knowledge of Bitbucket for source control;
• interest in or exposure to CI/CD pipelines (Jenkins is a plus);
• understanding of SOLID principles and clean code practices, with eagerness to strengthen them;
• openness to using prompt engineering with LLMs such as ChatGPT, Claude, and Gemini;
• familiarity with Jira for task tracking;
• and English proficiency at a B2 level or higher.

Soft Skills

• Strong willingness to learn and grow professionally;
• good teamwork and collaboration skills;
• clear communication, both technical and non-technical;
• a proactive attitude and eagerness to solve problems;
• ability to receive and apply feedback;
• and good organizational skills with a sense of ownership over assigned tasks.

Preferred Qualifications / Nice-to-Have

• Basic knowledge of DB2;
• exposure to COBOL / Mainframe environments;
• familiarity with IBM Workload Scheduler (IWS);
• and experience using WinSCP for secure file transfers.