Principal Software Engineer - Java/Polygot

Xapply; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Jobgether seeks a Principal Software Engineer - Java/Polygot based in the United States to lead design and implementation of distributed systems at scale. You will own architecture decisions, drive polyglot development (Java, Kotlin, Python, Go, TypeScript), and guide teams on microservices, APIs, cloud-native infra, performance, reliability, security, and observability.

This is a senior, hands-on leadership role with mentoring responsibilities and close collaboration with Product, DevOps, and

Qualifications

• Hands-on technical leadership for distributed systems.
• Architectural direction and decision influence across teams.
• Mentor engineers and collaborate with Product, DevOps and Data teams.

Responsibilities

• Design, build, and scale distributed software systems.
• Drive decisions on microservices, APIs, and cloud-native infrastructure.
• Mentor experienced engineers and collaborate with cross-functional teams.
• Ensure performance, reliability, security and observability across platforms.

Skills

Java

Kotlin

Python

Go

TypeScript

Microservices

APIs

Cloud-native infrastructure

Performance optimization

Reliability engineering

Security best practices

Observability

Job description

Principal Software Engineer - Java/Polygot

Skills

Java Kotlin Python Go TypeScript Microservices APIs Cloud-native infrastructure Performance optimization Reliability engineering Security best practices Observability

Description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer - Java/Polyglot based in the United States.

This is a highly hands-on technical leadership role focused on designing, building, and scaling distributed software systems. You will help shape architecture and technical direction for high-traffic platforms supporting millions of insurance leads and transactions. The role combines deep Java expertise with polyglot development across languages such as Kotlin, Python, Go, and TypeScript. You will drive decisions around microservices, APIs, cloud-native infrastructure, performance, reliability, security, and observability. Beyond individual contribution, you will mentor experienced engineers and collaborate closely with Product, DevOps, and Data teams. This is a fully remote opportunity for candidates located in select U.S. states and authorized to work without visa sponsorship.

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