Senior Backend Engineer

The Opportunity

InCharge Energy is seeking a Senior Elixir Engineer with experience building GraphQL APIs and designing scalable, secure backend systems. This role is ideal for someone who values simplicity in architecture, clean and maintainable code, and high system performance.

You’ll collaborate closely with product and engineering teams, contributing to the design and implementation of distributed services that power our electric vehicle fleet solutions. The ideal candidate is motivated, adaptable, and thrives in both collaborative and independent environments.

Note: Qualified candidates will be asked to complete a technical assessment as part of the interview process.

What You’ll Do

• Build and deploy production-grade applications using Elixir, Phoenix, SQL, and GraphQL
• Design and maintain distributed, scalable systems with performance and security in mind
• Collaborate with product and UX teams to define and prototype feature requirements
• Participate in system architecture planning, performance tuning, and capacity forecasting
• Conduct and participate in code reviews to uphold high development standards
• Work closely with infrastructure and DevOps teams to scale and troubleshoot backend services
• Write unit tests and collaborate with QA engineers to define test coverage and plans
• Actively participate in daily standups, sprint planning, and retrospectives
• Maintain a focus on cybersecurity and system reliability across all layers
• Provide status updates and flag potential risks to engineering leads

Your Experience and Capabilities

• Bachelor’s or Master’s degree in Computer Science or a related field
• 5+ years of software engineering experience
• 3+ years of hands-on experience with Elixir, Phoenix, and Ecto
• 1+ year of experience designing GraphQL and/or gRPC APIs with clear documentation
• Experience with PostgreSQL, RabbitMQ, Docker, AWS, and Kubernetes
• Strong understanding of microservices and distributed system design
• Familiarity with OTP concepts such as GenServers, Supervisors, Tasks, and Agents
• Comfortable working with CI/CD pipelines, Helm charts, and containerized deployments
• Proficiency with functional programming concepts (e.g., recursion, pattern matching, behaviors)
• Strong focus on test-driven development and collaborative programming practices
• Experience implementing JWT-based authentication and role-based authorization
• Solid foundational knowledge of algorithms, data structures, and web communication protocols
• Clear and effective written and verbal communication in English
• A team-first mindset with openness to feedback and collaborative problem-solving