Principal Software Engineer - Java

Caterpillar Inc. · Bengaluru East

  • Experience15–16 yrs
  • SalaryNot disclosed
  • Work modeonsite
  • Levelexecutive
  • Posted16 Sept 2026
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About Caterpillar Inc.

Caterpillar Inc. is hiring in Bengaluru East in manufacturing industrial. This role looks for around 15+ years of experience.

Skills

  • Java/J2EE
  • software architecture
  • design patterns
  • object-oriented design
  • low-level design
  • microservices
  • Spring
  • REST/JSON APIs
  • distributed system design
  • PostgreSQL
  • SQL
  • NoSQL
  • JPA
  • Hibernate
  • JDBC
  • JUnit
  • Git
  • Maven
  • Docker
  • Kubernetes
  • CI/CD
  • AWS
  • TCP/IP
  • messaging systems
  • telemetry pipelines
  • machine-to-cloud communication
  • edge-to-cloud communication

The role

A software architect at an industrial equipment manufacturer modernizes Java/J2EE applications into microservices-based architectures and designs distributed systems for machine-to-cloud integration. This person applies software architecture, Spring, and Kubernetes while guiding modernization, cloud-native delivery, and engineering practices.

Full 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 architecturesGuide implementation approach for modernization initiatives, ensuring alignment between architecture intent and delivery executionDefine and guide target architecture patterns and design principles for modernization effortsDrive experiments and proof-of-concepts (POCs) to evaluate new technologies, frameworks, and architectural patterns, enabling data-driven technology decisionsTranslate successful POCs into scalable, production-ready solutions and drive adoption across teamsInfluence engineering practices, standards, and architectural decisions across the broader Helios development communityLead architecture and design reviews, and code reviews, enforcing coding standards, best practices, and maintainable design patternsMentor and coach engineers on low-level design, object-oriented design, and modern software engineering practices, elevating overall engineering capabilityDeep-dive into complex legacy modules, identifying constraints, and proposing optimal modernization or refactoring strategiesPartner with DevOps and platform teams to ensure build, release, deployment readiness, and adoption of modern CI/CD and containerization practicesIdentify 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 experienceProven experience in Java/J2EE-based application development, including leading design and delivery of scalable servicesStrong expertise in software architecture, design patterns, object-oriented design, and low-level design principlesExperience modernizing legacy enterprise applications and transitioning to microservices-based architecturesHands-on experience with Spring frameworks, REST/JSON APIs, and distributed system designComprehensive 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 softwareProficiency with Git (branching, merging, tagging), Maven or equivalent build tools, and strong debugging skillsExperience leading or contributing to POCs, innovation initiatives, or modernization programsStrong experience working with cross-functional and global teams, influencing without direct authorityExcellent technical communication, mentoring, and stakeholder engagement skills Experience with containerization technologies (e.g., Docker) and working with DevOps/CI-CD pipelinesSolid understanding of Kubernetes for orchestration of containerized applicationsExperience working with software systems in autonomous vehicles, mining, construction, or similar industrial domainsUnderstanding of onboard (machine) and offboard (cloud/office) system architectures and their integration in distributed autonomy platformsFamiliarity 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

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