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EnerSys
EnerSys
5,001 – 10,000 Employees
H1B Visa SponsorDefenseLogisticsTransport
EnerSys develops stored-energy and battery-based power systems for organizations that depend on reliable energy in demanding environments. Its solutions support telecommunications, industrial operations, defense and military applications, logistics and transport, and renewable-energy projects, with a focus on improving energy efficiency and supporting more sustainable power infrastructure. The company’s large international workforce spans the design, engineering, manufacturing, and delivery of energy-storage technologies.
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Backend Engineer, France Remote — EnerSys

Build secure APIs and cloud services for EnerSys’ industrial IoT platform. Help support energy storage and e-mobility with scalable backend systems.

FRFranceITItalyRemoteFull-timeMiddleSeniorEnglish RequiredBackend EngineerSoftware Engineer
AzureCloudDistributed SystemsDockerIoTKubernetesMicroservicesPythonTerraform

Description

  • Develop, test, and maintain backend services for a cloud-based IoT platform.
  • Create dependable, scalable, secure APIs for web and mobile apps, devices, and external systems.
  • Help shape backend components, microservices, data flows, and integrations.
  • Work across device management, telemetry, user accounts, notifications, reporting, firmware updates, and system integrations.
  • Partner with frontend and DevOps engineers, architects, QA, product stakeholders, and external partners.
  • Keep backend services observable, maintainable, and ready for production.
  • Write clear, tested, and documented code.
  • Review code and support sound engineering practices.
  • Help make technical choices about scalability, performance, security, and maintainability.

Requirements

  • Professional experience as a backend engineer, software engineer, or in a similar role.
  • Practical experience designing and building backend services and REST APIs.
  • Understanding of distributed systems, microservices, and cloud-native architectures.
  • Experience with relational databases, time-series databases, or both.
  • Knowledge of authentication, authorization, API security, and secure coding.
  • Experience writing automated tests and using CI/CD pipelines.
  • Ability to assess requirements and turn them into robust technical solutions.
  • Strong problem-solving skills and a sense of ownership.
  • Experience in Agile or iterative development settings.
  • Fluent spoken and written English.
  • Experience with Python, Microsoft Azure and its services, Kubernetes, Docker, Helm, GitOps tools, IoT platforms, message brokers, event-driven systems, high-throughput data pipelines, infrastructure as code, Terraform, monitoring, logging, tracing, or production support is a plus, but not required.

Benefits

  • Flexible working arrangements.
  • Work on a modern IoT platform with practical industrial applications.
  • Collaborate internationally across functions and regions.
  • Take technical ownership and contribute to architectural decisions.
  • Make a meaningful contribution to backend quality, scalability, and reliability.
  • Access learning support, including English lessons, courses, conferences, and books.
  • Contribute to projects related to the future of energy storage and e-mobility.
  • Build expertise with current and emerging technologies.

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