Principal Software Engineer - Java

Caterpillar Financial Services Corporation; Bengaluru; On-site; INR 3,500,000 - 6,500,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Caterpillar Inc. is seeking a Senior Software Architect to drive modernization and cloud-native initiatives across Helios platforms. You will shape architecture, guide design decisions, and mentor teams while delivering scalable services using Java/J2EE and Spring in a distributed environment.

You will collaborate with cross-functional global teams, implement CI/CD and containerization, and explore AI-driven enhancements to engineering workflows for faster, higher-quality deliveries.

Qualifications

• 15+ years of software engineering experience including hands-on development and technical leadership.
• Proven Java/J2EE development experience with scalable services.
• Strong knowledge of architecture, design patterns and OOD/LLD principles.
• Experience modernizing legacy apps and transitioning to microservices.
• Hands-on with Spring, REST/JSON, and distributed systems.

Responsibilities

• Lead modernization initiatives across Helios platforms and cloud-native AWS architectures.
• Guide implementation approach aligning architecture with delivery.
• Define target architecture patterns and design principles.
• Lead POCs to evaluate new technologies and drive adoption.
• Mentor engineers in low-level design and best practices.
• Collaborate with DevOps for CI/CD and containerization adoption.
• Embed AI/automation into engineering workflows to improve productivity.

Skills

Java/J2EE

Software Architecture

Microservices

Spring Frameworks

REST/JSON APIs

Distributed Systems

CI/CD

Docker

Kubernetes

Code Reviews

Tools

Git

Maven

JPA/Hibernate

PostgreSQL

Job description

Career Area:

Technology, Digital and Data

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

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

• 15+ 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
• Experience working with software systems in autonomous vehicles, mining, construction, or similar industrial domains
• Understanding of onboard (machine) and offboard (cloud/office) system architectures and their integration in distributed autonomy platforms
• Familiarity with communication protocols and networking concepts used in distributed systems (e.g., TCP/IP, messaging systems, telemetry pipelines)
• Experience designing or integrating systems involving machine-to-cloud or edge-to-cloud communication

This position requires working onsite five days a week. Relocation is available for this position. Visa Sponsorship is not available for this position.

Posting Dates: September 16, 2026 - September 29, 2026

Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply.