Software Engineer / Elixir / Remote
Remote, PA, US
Information Technology
Contract, Contract
$75 - $90
On-site
Other/Non Classified
Remote, PA, US
$75 - $90
Contract, Contract
Other/Non Classified
On-site
Information Technology
Job details
This employer is seeking a Senior Software Engineer (Contract) for a fully remote, US-based engagement. This role focuses on building and scaling backend services and platform capabilities using Elixir, Phoenix, LiveView, and PostgreSQL, while supporting mobile platform integrations and infrastructure. The organization is a private equity-backed technology leader dedicated to accelerating the transition to a more sustainable energy future through intelligent, grid-interactive building systems.
This is an opportunity to work on high-impact, real-world systems that directly contribute to sustainability and energy efficiency at scale. Engineers on this team collaborate closely with product, design, and infrastructure partners to deliver reliable, performant applications used by enterprise customers, utilities, and facility operators. The role offers meaningful ownership, strong technical challenges, and the chance to help shape a modern, distributed platform in a collaborative and forward-thinking environment.
Required Skills & Experience
- 6+ years of professional software development experience, including ownership of production systems
- 3+ years of hands-on Elixir development in production environments
- Experience building applications using Phoenix, LiveView, and Ecto
- Strong experience with PostgreSQL, including query optimization, indexing, transactions, and schema design
- Working knowledge of OTP concepts (GenServers, Supervisors, Tasks, Agents)
- Experience with distributed systems architecture, scalability, and reliability best practices
- Experience with background job processing tools (e.g., Oban, Broadway, or similar)
- Strong testing practices and experience with automated test frameworks
- Experience building and maintaining APIs and backend services consumed by mobile or frontend clients
- Solid understanding of CI/CD pipelines and deployment workflows
- Strong debugging, analytical, and problem-solving skills
- Experience collaborating cross-functionally with Product and Design teams
Desired Skills & Experience
- Experience supporting mobile applications and platform integrations
- Familiarity with native mobile ecosystems (iOS/Android) at an architectural level
- Experience with cloud platforms such as AWS, GCP, or Azure
- Experience with observability tools (logging, metrics, tracing)
- Familiarity with containerization and orchestration (Docker, Kubernetes)
- Experience working in energy, IoT, or distributed hardware-integrated systems
- Experience using AI-assisted development tools (e.g., GitHub Copilot, Claude) to accelerate delivery
- Previous experience in high-growth or PE-backed environments
What You Will Be Doing
Tech Breakdown
- Elixir / Phoenix / LiveView: 60%
- PostgreSQL & Data Modeling: 15%
- Distributed Systems & Backend Architecture: 15%
- CI/CD, DevOps & Infrastructure: 10%
Daily Responsibilities
- Design, build, and maintain backend services and platform features: 50%
- Collaborate with product, design, and engineering teams on feature development: 20%
- Optimize performance, scalability, and reliability of systems: 15%
- Conduct code reviews, testing, and technical mentoring: 10%
- Support deployments, debugging, and production issue resolution: 5%
The Offer
- $80/hr on a w2
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About Kelly
Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
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