# Software Engineer III

**Company:** [6sense](https://hotfix.jobs/companies/6sense)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $135k – $198k/yr
**Experience:** 4+ years
**Skills:** Java, Spring Boot, React, TypeScript, REST APIs, Kubernetes, AWS, Postgres, MongoDB, CI/CD, Git, Python, Kafka, Redis, Docker
**Posted:** 2026-06-30

> Build and maintain scalable full-stack applications with Java/Spring Boot backend and React/TypeScript frontend. Requires 4+ years professional software engineering experience, strong CS fundamentals, cloud and Kubernetes experience, and demonstrated use of AI coding tools.

## Job Description

## What You'll Do
- Design, develop, test, deploy, and maintain scalable full-stack applications.
- Build high-performance backend services using Java, Spring Boot, and RESTful APIs.
- Develop responsive and reusable frontend applications using React, TypeScript, HTML, and CSS.
- Collaborate with Product, Design, and Architecture teams to translate business requirements into technical solutions.
- Design APIs and data models that are scalable, secure, and maintainable.
- Build applications capable of processing large datasets while maintaining high availability and performance.
- Write clean, maintainable, and well-tested code following engineering best practices.
- Participate in technical design discussions and contribute to architecture decisions.
- Troubleshoot production issues, identify root causes, and implement durable fixes.
- Leverage AI-powered developer tools, coding assistants, and autonomous agents to improve engineering productivity, automate routine development tasks, accelerate software delivery, and enhance software quality.

## Required Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related technical field.
- 4+ years of professional software engineering experience building production software.
- Solid understanding of object-oriented design, software architecture, design patterns, and distributed systems.
- Strong computer science fundamentals, including data structures, algorithms, and system design.
- Strong programming skills in Java with hands-on experience building applications using Spring Boot.
- Experience building modern frontend applications using React and TypeScript.
- Experience with relational and NoSQL databases such as MySQL, PostgreSQL, MongoDB, or similar.
- Experience working with cloud platforms such as AWS, Azure, or GCP.
- Experience working with containerized applications and Kubernetes.
- Experience with Git, CI/CD pipelines, automated testing, and modern software delivery practices.
- Working knowledge of unit, integration, and end-to-end testing frameworks.
- Strong debugging, analytical, and problem-solving skills.
- Excellent written and verbal communication skills.
- Demonstrated experience using AI-assisted development tools, coding copilots, and agent-based workflows to improve software development efficiency and code quality.

## Preferred Qualifications
- Experience working with event-driven or distributed architectures.
- Experience with Kafka, messaging systems, or asynchronous processing.
- Experience with Redis or distributed caching technologies.
- Experience with observability platforms, monitoring, logging, and performance tuning.
- Experience with Kubernetes, Docker, and cloud-native application development.
- Experience working with design systems and reusable component libraries.
- Experience with Python and building backend services using frameworks such as Django or FastAPI.
- Knowledge of application security best practices.

## What Makes You Successful
- You take ownership from design through production and continuously improve the systems you build.
- You enjoy solving complex technical problems while balancing scalability, reliability, and maintainability.
- You thrive in collaborative, cross-functional environments and communicate technical ideas effectively.
- You proactively identify opportunities to simplify systems, automate workflows, and improve engineering productivity.
- You embrace learning new technologies and are excited about applying AI to transform how software is built.

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**Apply:** https://hotfix.jobs/jobs/7fab2c4a-1087-4a09-ab7c-447920981e0d
**Canonical:** https://hotfix.jobs/jobs/7fab2c4a-1087-4a09-ab7c-447920981e0d