Principal Software Engineer

TL;DR

Principal Software Engineer: Architecting analytical and optimization software for renewable energy operations with an accent on end-to-end platform ownership across backend services, data pipelines, and user interfaces. Focus on leading architecture decisions, integrating agentic AI tools into engineering workflows, and ensuring secure-by-design delivery at scale.

Location: St. Paul, MN or Juno Beach, FL

Compensation: $60/hr - $75/hr W2 or $65/hr - $80/hr C2C

Company

Concord is an execution partner delivering digital transformation and scalable technology solutions.

What you will do

• Translate complex, ambiguous energy industry problems into scalable technical solutions.
• Design and own end-to-end systems across backend services, data pipelines, and user interfaces.
• Build rapid prototypes to validate concepts with business stakeholders.
• Lead architecture decisions and mentor engineers across the team.
• Integrate and govern agentic AI tools in engineering workflows with quality controls and deterministic validation checks.
• Build and maintain CI/CD pipelines with observability, alerting, and production support readiness; apply secure-by-design principles.

Requirements

• 9+ years of software engineering experience with demonstrated architecture ownership across multiple languages and paradigms.
• Hands-on GCP experience for data-intensive workloads using BigQuery, Dataflow, or Dataproc.
• Comfort working full stack, including backend services, data pipelines, and user interfaces.
• Track record using AI-assisted development tools (Copilot, Cursor, or similar) critically and effectively.
• Must be authorized to work legally in the US without sponsorship, now or in the future.

Culture & Benefits

• W-2 employment with health, dental, and vision insurance.
• Employer contributions to HSA (for eligible High Deductible Health Plans) and access to FSA/LSA.
• Short-term and long-term disability coverage, plus life and AD&D insurance.
• 401(k) retirement savings with 1% employer match.
• Career growth opportunities and regular team engagement activities.

Hiring process

• Contract engagement for 6–12 months with possibility of extension or C2H.