Kaluza

Senior Software Engineer I

Kaluza
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4 hours ago
Paris, FranceSenior

Responsibilities

  • Write clean, well-tested, maintainable TypeScript and own platform features from conception through deployment.
  • Build, deploy, and maintain highly scalable applications using AWS Serverless services.
  • Design and develop event-driven microservices with real-time data streaming through Kafka.
  • Identify and implement LLM-powered automation, intelligent decision support, and AI-assisted workflows.
  • Share AI engineering knowledge across teams and help develop AI-informed engineering practices.
  • Conduct code reviews, champion engineering best practices, and mentor junior engineers.
  • Collaborate with Product Managers and Engineering Managers to refine features, estimate tasks, and deliver predictably.

Requirements

  • Strong professional experience building scalable, production-grade applications with TypeScript and Node.js.
  • Experience with AWS Serverless architectures, including Lambda, API Gateway, and DynamoDB.
  • Experience with event-driven systems such as Kafka and real-time data streaming.
  • A track record of creative problem-solving and delivering team-level technical expertise on complex application workflows.
  • A practical, production-focused interest in applying AI to engineering workflows and software products.
  • Understanding of CI/CD pipelines, software development fundamentals, and Agile/Lean methodologies.
  • Excellent communication skills and ability to explain technical concepts to non-technical stakeholders.
  • Preferred experience integrating LLMs through OpenAI, Anthropic, AWS Bedrock, or open-source models.
  • Preferred knowledge of prompt engineering, context management, and LLM evaluation.
  • Preferred experience introducing AI-assisted developer tools such as Copilot, Cursor, or Claude.
  • Preferred experience with enterprise applications involving billing, ledger tooling, payments integration, or energy grid and supply data.
  • Preferred experience in consulting, SaaS onboarding, or client-delivery technical projects.

Benefits

  • Hybrid work in Paris with an expectation of three days per week in the office.
  • The role offers cross-functional collaboration, mentorship opportunities, and work on a global energy intelligence platform.
  • Applicants must already have the right to work in France; visa sponsorship is not currently available.
Kaluza

About Kaluza

501-1,000 employees

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future. Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life. With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.