Senior Software Developer

2 weeks ago

Pune, Maharashtra, India Sensia Energy Full time ₹ 8,00,000 - ₹ 24,00,000 per year

Maintain and modernize a large JavaScript/TypeScript codebase for an application designed to run on embedded Linux devices and cloud containers for industrial applications. Ensure robust Modbus RTU/TCP communications, troubleshoot serial communication and networking issues on resource-constrained Edge IoT hardware, ship cross-platform (incl. Windows) utilities, and support a Nuxt-based operational/configuration UI.

Key Responsibilities

Legacy Code Maintenance

  • Troubleshoot and resolve bugs from globally deployed devices
  • Refactor and stabilize legacy JavaScript/TypeScript code
  • Document legacy behavior and contribute insights to .NET enhancements
  • Add characterization tests and improve CI/CD hygiene

Edge Web UI

  • Maintain and extend Nuxt-based admin screens for configuration and diagnostics
  • Optimize rendering and bundle size for low-power devices

Field Device Communications

  • Maintain Modbus RTU and TCP adapters
  • Support legacy interfaces (e.g., OSISoft PI, KepServerEX)
  • Troubleshoot networking issues in high-latency, small-MTU environments

Embedded Linux Operations

  • Optimize code for CPU/memory and reduce flash wear
  • Extend device health/status monitoring (e.g., temperature, signal, docker stats)
  • Integrate with external industrial routers (e.g., Teltonika RUT series)

Security & Reliability

  • Implement security best practices (least privilege, secret handling, signed artifacts)
  • Design for resilience against power loss and degraded communication

Packaging, Cross-Compilation, Building, and Testing

  • Cross-compile for Windows/Linux (x64/ARM64) and produce signed installers
  • Automate matrix builds in CI and support QA testing with real hardware

Qualifications and Education Requirements

  • BS in Computer Science, Computer Engineering, or related field
  • Minimum 7+ years of software development experience

Required Skills

  • Strong proficiency in JavaScript/TypeScript and backend development
  • 7+ years software development; 5+ years ; 2+ years CLI tools
  • Hands-on experience with Modbus RTU/TCP and serial communication (RS-232/RS-485)
  • Networking expertise in constrained environments
  • 3+ years with Docker
  • Nuxt: routing, layouts, middleware, Vite, performance tuning
  • CI/CD: multi-OS runners, artifact signing, SBOMs/vulnerability scanning
  • Cross-platform compilation for Linux and Windows
  • Experience with Agile tools (Jira, Confluence, Bitbucket)
  • Debugging low-level communication and performance issues

Desired Skills

  • Familiarity with MQTT, SparkplugB, ZeroMQ, ProtoBuf, Kafka, HTTP
  • Strong Linux skills: Bash, systemd, Docker, Kubernetes, OTA strategies
  • Cellular networking on Linux: mmcli, nmcli
  • NodeAPI/C++ addons, cross-compiling for ARM64, bundlers (pkg/nexe), Electron
  • Familiarity with .NET/C#

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