Senior Java Developer

Lean Tech is a fast-growing company located in Medellín, Colombia. We currently have one of the most prominent networks within the entertainment, financial, and logistics industries. Our corporate projections represent hundreds of opportunities for our professionals to grow and boost their careers. Working with us means collaborating with large engineering teams across Latin America and the United States.

We are currently looking for an experienced, dynamic, and highly motivated Java Developer

We are looking for an expert Java application developer with payment experience to help build an industry-leading issuing platform. The individual must have prior experience working on ISO 8583/20022 format financial transactions utilizing the Java POS (JPOS) framework. The ideal candidate will have experience building, integrating, and maintaining electronic payment switches in a PCI DSS environment. Familiarity with hardware security modules (HSM), PIN encryption, EMV and e-Wallets is a plus. The individual will work with a team of talented engineers working in a fast-paced, agile environment, developing a groundbreaking, multi-tenant, cloud-based payments platform. We are seeking an independent and motivated engineer with strong communication skills, who wants to see his or her work change an industry

Your Duties as a Lean Tech Warrior:

Build, integrate, and maintain electronic payments switch utilizing ISO 8583/20022 format financial transactions

Participate in platform testing, certification, and enhancements in compliance with card brand network specifications

Work closely with on-site and off-site teams in a fast-paced Agile environment

Build, maintain, support, and certify large-scale payment systems

Analyze and tune real-time processes for optimal performance

Build, maintain, and optimize deployment pipelines

Why We’ll Love You:

BS Computer Engineering or Computer Science, or related/equivalent experience

5+ years of experience building enterprise applications using JAVA 8+

Established background in designing and building highly scalable systems

Excellent project management skills

Strong verbal and written communication skills

Spring framework 4. x and Spring boot 1.5.x

Solid experience in relational databases: PostgreSQL (preferred), MS SQL, Oracle

Familiarity with software management tools (Maven, TeamCity, Git)

Self-starter with a strong and proactive work ethic with the motivation to achieve

results in a fast-paced environment

Exceptional organizational and time management skills

Experience with Git or comparable source-control tool

Experience with any of Liquid Base, Hibernate, Junit, JaCoCo, or Rest Assured is a plus

Experience with Atlassian stack (JIRA, Confluence, BitBucket) a plus

Experience with Cloud platforms such as MS Azure and or Amazon AWS a plus

Experience with containerization and orchestration (Docker, Kubernetes) is a plus

We are more than a company; we are warriors working daily to change the world through technology.

Key Skills

• CSS
• Git
• Java
• Spring Boot