Heres a polished version of the job description that keeps it professional, concise, and appealing while highlighting the responsibilities and qualifications clearly :

The Principal Software Engineer plays a key role in the development of the application.

This role involves leading the design and development of major feature areas, mentoring team members, contributing to the community, and providing expert support to internal and external stakeholders.

The ideal candidate will be a hands-on technical leader, passionate about building enterprise-grade software, and committed to advancing mission and values.

Key Responsibilities :

- Provide technical and architectural leadership for one or more products, modules, or major feature areas.

- Lead all phases of application development : planning, design, implementation, testing, documentation, release, and maintenance.

- Architect and develop software applications using an agile model and established best practices.

- Mentor and guide team members on product, technical, and domain-related topics.

- Design and implement new features and resolve bugs to enhance platform architecture, infrastructure, and functionality.

- Write unit and integration tests (JUnit) to ensure code quality.

- Collaborate on enterprise-level technologies and participate in production releases.

- Conduct thorough code reviews to maintain high-quality standards.

- Drive initiatives to minimize technical debt, improve system performance, and adopt modern technologies.

- Collaborate effectively with cross-functional teams and stakeholders.

- Provide technical support and guidance to internal teams, customers, and the community.

- Contribute ideas and strategies that strengthen culture, values, and long-term vision.

Experience & Skills :

- 7+ years of professional experience building Java-based applications with Spring Boot, Spring Framework, and Hibernate.

- 7+ years of experience designing, developing, and consuming REST APIs with a focus on security.

- 7+ years of experience with relational databases and SQL.

- Familiarity with front-end technologies such as Angular, Node.js, JavaScript, jQuery, and mobile web development (preferred).

- Experience with Docker and Kubernetes in production environments.

- Hands-on experience with Unix-based systems, Bash scripting, and CI/CD tools.

- Strong knowledge of Git, branching strategies, and release management practices.

- Familiarity with Scrum and agile methodologies.

- Excellent written and verbal communication skills, with the ability to clearly convey complex technical concepts to both technical and non-technical audiences.

Company Overview :

Aventior is a leading provider of innovative technology solutions for businesses across a wide range of industries.

At Aventior, we leverage cutting-edge technologies like AI, ML Ops, DevOps, and many more to help our clients solve complex business problems and drive growth.

We also provide a full range of data development and management services, including Cloud Data Architecture, Universal Data Models, Data Transformation & and ETL, Data Lakes, User Management, Analytics and visualization, and automated data capture (for scanned documents and unstructured/semi-structured data sources).

Our team of experienced professionals combines deep industry knowledge with expertise in the latest technologies to deliver customized solutions that meet the unique needs of each of our clients.

Whether you are looking to streamline your operations, enhance your customer experience, or improve your decision-making process, Aventior has the skills and resources to help you achieve your goals.

We bring a well-rounded, cross-industry, and multi-client perspective to our client engagements.

Our strategy is grounded in design, implementation, innovation, migration, and support.

We have a global delivery model, a multi-country presence, and a team well-equipped with professionals and experts in the field.