Senior Java Back end Developer
Blanc Labs
Software Engineering
Colombia
Posted on Apr 23, 2025
Blanc Labs is a premier partner for global enterprises, leading the way in digitization, automation, and the development of next-generation digital products and services. Our expertise in digital transformation powers businesses to accelerate service delivery, drive customer engagement, and foster growth.
Blanc Labs is looking for a Senior Java Back-End Developer with experience in banking/financial institutions—especially in money transfers/payments, ideally involving Central 1 or Interac. Familiarity with ISO 20022 (Message Exchange standards for payment) is a plus.
Essential Duties and Responsibilities:
- Develop, test, and implement high-quality software solutions across the full stack (front-end and back-end) that meet or exceed client expectations.
- Help architect and build scalable, responsive, and secure web applications and features.
- Execute initial design and development of new software or perform extensive software revisions to the existing code base.
- Design and implement microservices using Java Spring/Spring Boot.
- Develop and manage RESTful and SOAP APIs, including full API lifecycle management.
- Implement synchronous and asynchronous processing patterns using Azure services.
- Support integration and message handling updates on Azure.
What You'll Need To Be Successful:
- A solid SDLC understanding through a degree in Computer Science or related fields, as well as 10+ years of experience developing applications with the following characteristics:
- Deep understanding of modern software development practices and architectures (e.g., microservices, RESTful APIs, cloud-based development).
- Creation of microservices in Java 8 using Spring Boot with the use of different modules such as Spring Data, Spring Security, or Spring Cloud.
- Implementation of authentication & authorization protocols such as OAuth 2.0 and 2-Way SSL
- Build Restful APIs and their documentation using Swagger.
- Create and maintain unit tests under JUnit using mock frameworks such as Mockito or PowerMock.
- Knowledge of responsive web design and Bootstrap
- Knowledge of relational database engines such as MySQL or Oracle.
- Handling DDL and DML statements under SQL.
- Cloud development experience with Azure. Experience with AWS and/or GCP would be a plus.
- Experience with Mulesoft is highly desirable but not essential.
- Handling images and service containers using docker.
- Experience with continuous integration tools such as Jenkins or Bamboo.
- Experience with distributed version control systems based on Git, such as GitHub or GitLab.
- Experience with other front-end JavaScript libraries, such as Angular or React is a plus.
- Previous experience working in banking or financial institutions, especially in money transfers or payments.
- Exposure to systems involving Central 1 or Interac.
- Familiarity with ISO 20022 messaging standards is an asset.
- Advanced English Skill is required.
Blanc Labs is enabling a digital future. Headquartered in Toronto, we partner with clients in North & South America to digitize and automate their operations and build their next generation of digital products and services. We empower clients to enhance their digital offerings and bring creative solutions to the market faster. Learn more at www.blanclabs.com.
Blanc Labs is an equal opportunity employer and is committed to providing employment in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act. Accommodations within reason due to a disability or medical need are available on request for candidates taking part in the recruitment process.