Principal Software Engineer

Key Responsibilities

• Lead and contribute to strategic modernization initiatives across Helios platforms, including transformation of legacy Java/J2EE applications to cloud-native (AWS) and scalable architectures

• Guide implementation approach for modernization initiatives, ensuring alignment between architecture intent and delivery execution

• Define and guide target architecture patterns and design principles for modernization efforts

• Drive experiments and proof-of-concepts (POCs) to evaluate new technologies, frameworks, and architectural patterns, enabling data-driven technology decisions

• Translate successful POCs into scalable, production-ready solutions and drive adoption across teams

• Influence engineering practices, standards, and architectural decisions across the broader Helios development community

• Lead architecture and design reviews, and code reviews, enforcing coding standards, best practices, and maintainable design patterns

• Mentor and coach engineers on low-level design, object-oriented design, and modern software engineering practices, elevating overall engineering capability

• Deep-dive into complex legacy modules, identifying constraints, and proposing optimal modernization or refactoring strategies

• Partner with DevOps and platform teams to ensure build, release, deployment readiness, and adoption of modern CI/CD and containerization practices

• Identify and drive opportunities to embed AI and automation into engineering workflows, improving developer productivity, quality, and delivery speed

Required Skills Experience

• 10+ years of experience in software engineering, including strong hands-on development and technical leadership experience

• Proven experience in Java/J2EE-based application development, including leading design and delivery of scalable services

• Strong expertise in software architecture, design patterns, object-oriented design, and low-level design principles

• Experience modernizing legacy enterprise applications and transitioning to microservices-based architectures

• Hands-on experience with Spring frameworks, REST/JSON APIs, and distributed system design

• Comprehensive knowledge of database technologies, including Postgres, SQL, and NoSQL, with proven ability to design, optimize, and troubleshoot data solutions.

• Strong experience with data access technologies (JPA/Hibernate/JDBC)

• Experience with testing frameworks (e.g., JUnit) and building high-quality, testable software

• Proficiency with Git (branching, merging, tagging), Maven or equivalent build tools, and strong debugging skills

• Experience leading or contributing to POCs, innovation initiatives, or modernization programs

• Strong experience working with cross-functional and global teams, influencing without direct authority

• Excellent technical communication, mentoring, and stakeholder engagement skills

• Experience with containerization technologies (e.g., Docker) and working with DevOps/CI-CD pipelines

• Solid understanding of Kubernetes for orchestration of containerized applications

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