Java Back End Developer

About the Position

Back End Engineer

hands-on development

If you thrive on solving complex problems, enjoy guiding others, and are passionate about building efficient and modern distributed systems, we’d love to connect.

Responsibilities

• Lead the design, development, and maintenance of scalable server-side applications using technologies like Node.js, Python, and Java.
• Architect and build RESTful and GraphQL APIs, ensuring they are secure, efficient, and developer-friendly.
• Design and implement event-driven and distributed systems to handle large-scale data processing and real-time workflows.
• Develop data models and schemas across relational (SQL Server, PostgreSQL, MySQL) and NoSQL (MongoDB, Redis, Snowflake) databases.
• Write and optimize SQL queries and ETL pipelines for data processing and analytics support.
• Collaborate closely with front-end engineers, DevOps, product managers, and business stakeholders to deliver end-to-end solutions.
• Own and evolve the back-end architecture, making strategic decisions on scalability, performance, and resilience.
• Drive CI/CD automation, infrastructure as code (Terraform), and DevOps best practices in partnership with the platform team.
• Lead code reviews, technical mentorship, and team knowledge sharing, helping grow the engineering team’s backend expertise.
• Champion BDD/TDD methodologies to ensure system reliability and maintainability.
• Proactively monitor production systems, ensuring high availability, performance, and fast incident resolution.
• Participate in roadmap planning, architecture reviews, and cross-functional strategy sessions.
• Promote simplicity and maintainability, balancing immediate business needs with long-term technical scalability.
• Engage directly with business stakeholders to clarify requirements and deliver impactful backend solutions with minimal overhead.

Requirements

• 5+ years of professional back-end development experience, including 2+ years in a technical leadership or senior engineer role.
• Expertise in designing and developing RESTful APIs; experience with GraphQL is a plus.
• Hands-on experience with Node.js, plus additional proficiency in Python and Java.
• Deep understanding of SQL and NoSQL databases, including schema design, query optimization, and data modeling.
• Experience working with cloud platforms such as Azure or AWS in a production environment.
• Strong knowledge of event-driven architectures, microservices, and distributed systems.
• Experience with CI/CD pipelines and DevOps tools, including Jenkins, Terraform, and GitHub Actions.
• Background in BDD/TDD development methodologies.
• Strong debugging, troubleshooting, and performance tuning skills.
• Excellent communication and collaboration abilities, with the capacity to lead cross-functional discussions and mentor junior engineers.

Preferred Qualifications

• 2+ years of experience with PySpark or advanced Python data pipelines.
• Familiarity with front-end frameworks (e.g., Angular) to support full-stack collaboration.
• Experience in financial services, fintech, or other regulated industries.
• Bachelor’s degree in Computer Science, Information Systems, or equivalent practical experience.