Java Developer

Filetwigbay; Boulder (CO); Remote; USD 99,000 - 148,000; Full time

Job summary

Public Service Corp, based in Boulder, Colorado, seeks a freelance Java Developer with a focus on production-grade code and scalable systems. This mid-level role offers freedom to shape technology work and deliver high-impact outcomes for a broad audience.

The position features remote-first flexibility, involvement with Spring Boot, Kubernetes security hardening, and opportunities to mentor newer team members while improving legacy modules.

Qualifications

• Around 4+ years of hands-on experience in a technology role.
• A collaborative mindset and enthusiasm for teamwork.
• A writer's ear for tone in high‑stakes emails.

Responsibilities

• Scale Public Service Corp's Networking services from Boulder pilot to CO-wide rollout.
• Tune Networking queries to prevent CO database timeouts under load.
• Reduce Azure cold-start times so services wake quickly for CO users.

Skills

Team collaboration

Communication skills

Pressure handling

Adaptability

Mentoring

Tools

Spring Boot

Kubernetes

Azure

Job description

This freelance Java Developer position is your opportunity to deploy production code that reaches a massive audience. Rare is the mid-level opening that pairs $99,000 - $148,000 with the freedom to shape technology work the way this Boulder one does.

Key Responsibilities

• Scale Public Service Corp's Networking services from Boulder pilot to CO-wide rollout
• Tune Networking queries until the CO database stops timing out under load
• Cut Microsoft Azure cold-start times so Public Service Corp functions wake before CO users notice
• Reach into legacy Written Communication modules and leave them cleaner than you found them
• Mentor newer mid-level hires on how Public Service Corp actually wires Spring Boot together
• Harden Public Service Corp's Kubernetes auth so the CO audit comes back clean

What You'll Bring

• A collaborative mindset and genuine enthusiasm for teamwork
• A writer's ear for tone in a high-stakes email
• Strong rapport-building skills and a genuinely positive presence
• The discipline to finish the boring 20% that makes the rest matter
• Around 4+ years of hands-on experience in a technology role
• Curiosity that outpaces your current job description
• Clear thinking under the kind of pressure Boulder, CO deadlines bring

Public Service Corp is the craft-obsessed CO company that built its name on technology work nobody else wanted to do properly. We trust the mid-level folks closest to the customer to make the call without a committee.

Count on $99,000 - $148,000, remote-first flexibility, parental leave, and a stipend for the tools and courses you need.

Hiring is open and ongoing for this freelance position in Boulder.