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Blankfactor · 12 hours ago

Senior Java Software Engineer

United States

Full-time

Remote

Senior Level

5+ years exp

Blankfactor is seeking an experienced Java Engineer to join their technology modernization team. This role focuses on transforming legacy applications into modular Java microservices, overseeing the entire lifecycle from design to deployment.

Mobile AppsSoftwareWeb Development

H1B Sponsor Likely

Hiring Manager

Laura Arango Londoño

Responsibilities

Analyze legacy monolithic applications written in proprietary languages, and design strategies for decomposing and re-architecting into Java microservices

Develop, test, and deploy high-quality, robust Java-based microservices adhering to best practices and standards

Containerize applications using Docker and manage deployments through Kubernetes, ensuring compatibility with both on-premises and cloud infrastructures, particularly Azure

Collaborate with architects, business analysts, and quality assurance teams to ensure the new services meet business requirements and technical standards

Write comprehensive unit, integration, and performance tests to guarantee the reliability and scalability of the services

Participate actively in agile development processes, including sprint planning, retrospectives, and code reviews

Proactively troubleshoot and optimize performance bottlenecks and complex technical issues

Mentor junior developers and contribute to technical documentation and training materials

Qualification

JavaMicroservices architectureDockerKubernetesAzureRESTful API designSQL ServerPostgreSQLMongoDBAgile methodologiesProblem-solvingCommunication skills

Required

Bachelor's degree in Computer Science, Engineering, or related technical field, or equivalent practical experience

5+ years of professional Java software development experience, ideally using Java 11 or newer

Proven experience migrating legacy monolithic systems into modern microservices-based architectures

Solid expertise with containerization (Docker) and orchestration technologies (Kubernetes)

Experience deploying applications both on-premises and to cloud environments, especially Azure (Azure Kubernetes Service, Azure App Services, Azure Functions)

Deep understanding of modern microservices architectures, RESTful API design, and event-driven systems (e.g., Kafka, RabbitMQ)

Strong proficiency in best practices for software development, including test-driven development (TDD), behavior-driven development (BDD), continuous integration/delivery (CI/CD), and SOLID principles

Experienced with relational and non-relational databases (SQL Server, PostgreSQL, MongoDB) and ORM frameworks (Hibernate, Spring Data)

Competent in performance optimization and application monitoring tools

Comprehensive knowledge of secure coding practices and principles related to authentication, authorization, and data encryption

Excellent analytical, problem-solving, and debugging abilities

Exceptional communication skills, able to articulate technical concepts clearly to both technical and non-technical stakeholders

Proven effectiveness in agile and collaborative team environments, adapting well to evolving project priorities

Preferred

Familiarity with proprietary language transpilers or code interpreters and the processes for translating such code to Java is advantageous

Previous experience in commercial lending or related financial services domains is a significant plus

Company

Blankfactor

Blankfactor is a team of engineers, project managers, issue solvers & tech consultants committed to developing & innovating tech solutions.

Founded in 2019

San Francisco, California, USA

501-1000 employees

https://blankfactor.com/

H1B Sponsorship

Blankfactor has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

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2025 (3)

2024 (1)