Senior Spring Developer

Summary

This role is responsible for leading, developing, supporting, and maintaining the CRM application built using Spring and Spring Boot and their ecosystem. This is a one-person role managing the whole stack: project planning, coding, configuration, deployment, operations, and user support.

Key Responsibilities

• Manage the end-to-end lifecycle of a Spring and Spring Boot-based CRM web application, covering requirements, architecture, development, deployment, support, and continuous improvement.
• Build, configure, and troubleshoot application modules including web UI (Thymeleaf), security, email integration, data validation, file handling, CSV import/export, and custom entity management.
• Implement and maintain security features (Spring Security, Crypto), ensuring authentication/authorization and secure password handling.
• Integrate AI modules (Spring AI, Onpremise and Cloud based LLM services integration), extend CRM functionality as needed.
• Set up and maintain development tools (DevTools), testing frameworks (Spring Boot Test), and validation libraries.
• Preferably design and optimize UI/UX with Thymeleaf, Thymeleaf layout dialect, and time/date formatting extras.
• Manage API integrations, including external modules (eG Innovations REST APIs, HTML parsing, Markdown).
• Handle all aspects of deployment using Maven and Spring Boot plugins, version upgrades, and production readiness.
• Develop documentation/training materials, assist users, and gather feedback to drive system improvements.
• Ensure high data quality and operational reliability through regular maintenance tasks.

Requirements

• Minimum 3 to 5 years hands-on experience with Spring and Spring Boot, Java 17+, and related frameworks.
• Proven full stack development skills: backend (Java/Spring Boot/MariaDB/PostgreSQL PGVector), frontend (Thymeleaf), and API integration.
• Knowledge of software security practices and experience configuring Spring Security modules.
• Familiarity with Maven build systems, dependency management, and plugin setups using Eclipse or STS IDEs.
• Familiarity with popular source control systems like SVN, Git, etc
• Experience integrating advanced modules like AI starters, email, CSV, and custom Java entities.
• Comfortable with data validation, user input handling, HTML parsing, and Markdown rendering.
• Ability to work independently, manage priorities, and communicate effectively with project stakeholders.
• Experience supporting, maintaining, and improving live applications, including troubleshooting and upgrades.

Desired Extras

• Experience with small team or solo project delivery from start to finish.
• Willingness to adapt and learn new features or modules as requirements evolve.