Software Engineer - DER Integration (IoT / Energy Systems)

Requirements

• 2–6 years of software engineering experience (backend-focused)
• Strong experience with .NET (C#) — familiarity with .NET 6+, and ideally .NET 9/10
• Experience building distributed systems and event-driven architectures
• Experience integrating with 3rd‑party APIs, webhooks, or message-based systems
• Understanding of integration frameworks or iPaaS concepts
• Experience with Azure or another major cloud platform
• Familiarity with authentication concepts: OAuth2, OIDC, SAML, 2FA, OTP
• Preferred:
• Experience with Azure Containers, Azure Functions, and cloud-native patterns
• Experience with Azure Postgres Hyperscale or other time-series / relational databases
• Experience with Azure Service Bus, Event Hub, Kafka, MQTT, or RabbitMQ
• Exposure to IoT systems, device telemetry, or hardware integrations
• Interest in energy systems, demand response, or climate tech
• About Us
• FlexEnergi is solving some of the toughest challenges facing today’s utilities. With rising data center demand, more renewables, and increasing extreme weather, utilities need reliable capacity that can be deployed fast and affordably. Our innovative business model delivers the lowest-cost, fastest to-deploy capacity on the market. We’re a small, nimble, and innovative company that moves quickly, experiments boldly, and rethinks how the grid can improve quickly. Joining FlexEnergi means helping build technology that strengthens reliability, resilience, and sustainability at scale. FlexEnergi proudly operates as part of the Accurant International portfolio of companies.
• Accurant International offers innovative solutions to tackle pressing climate and energy technology challenges through our portfolio companies. Our investments in fields ranging from renewable energy, smart grid systems, electric vehicles, optimizing energy usage in buildings, and other areas has allowed our alliance to lead the way in transforming various fields.