Senior Full-Stack Software Engineer

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🕒 April 24

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Particle41

WebsiteLinkedInAll Job Openings

51 - 200 employees

☁️ SaaS

🤖 Artificial Intelligence

🏢 Enterprise

SaaS • Artificial Intelligence • Enterprise

Particle41 is a company that specializes in providing expertise and solutions in technology development, data science, and DevOps. They offer CTO advisory services, acting as a partner to strengthen tech strategies and deliver robust software solutions tailored to their clients' needs. Particle41 emphasizes modernizing operations using cloud architecture, integrating software systems, and leveraging artificial intelligence to provide innovative digital products. They work closely with businesses to ensure on-time project delivery, scalability, and maintaining data security. Particle41 is particularly focused on helping businesses improve their competitive edge through strategic tech solutions and ongoing support.

📋 Description

• Own the full application lifecycle—backend APIs, frontend UI, database schema, CI/CD pipelines, and production infrastructure on AWS • Design, develop, and ship new features across the Java/Spring Boot backend and Angular frontend • Manage and optimize our PostgreSQL database, including schema migrations (Liquibase), query performance tuning, and data integrity • Maintain and improve AWS infrastructure: EC2, RDS, S3, CloudFront, and related services • Collaborate directly with the founder to translate business requirements into technical solutions • Improve code quality through testing, code reviews, refactoring, and documentation • Troubleshoot and resolve production issues quickly and thoroughly • Evaluate and adopt modern tools, frameworks, and practices to keep the platform competitive • Leverage AI-powered development tools (e.g., Claude, GitHub Copilot) to accelerate delivery and improve code quality

🎯 Requirements

• 5–8+ years of professional software development experience • Strong proficiency in Java and the Spring Boot ecosystem (Spring MVC, Spring Data JPA, Spring Security) • Solid front-end skills with Angular (TypeScript, RxJS, component architecture) • Deep experience with PostgreSQL or similar relational databases—schema design, migrations, query optimization • Hands-on experience with AWS services (EC2, RDS, S3, CloudFront, IAM) or comparable cloud platforms • Comfortable working across the entire stack and owning infrastructure alongside application code • Strong English communication skills (written and verbal) for daily collaboration • Self-directed and proactive—you take initiative, flag issues early, and don’t wait to be told what to do • Available during US business hours (Central Time preferred, but flexible within the Americas)