Senior Software Engineer (Modbus + Go)

We are seeking a Senior Software Engineer with strong expertise in Modbus protocols and Go to join our team building industrial IoT solutions. This role focuses on ingesting real-world machine data using Modbus RTU/TCP, normalizing it via EdgeX Foundry and transmitting it securely northbound through MQTT, OPC UA and cloud platforms. The position requires a business trip to Denmark for one to two weeks for onboarding purposes.

Kindly note that this role supports remote work, but only from within Ukraine.

Responsibilities

• Configure and maintain the official device-modbus-go service for Modbus communication within EdgeX Foundry
• Write complex EdgeX Device Profiles in YAML to map raw Modbus register tables to logical device resources
• Build data pipelines using EdgeX Core Services and Application Services to route data to external systems
• Manage physical serial communication for Modbus RTU including daisy-chains, baud rates, parity and stop bits on Linux systems
• Handle Modbus TCP socket management, multiple client-server connections and network routing
• Parse raw 16-bit registers and decode 32-bit floating points or integers, including byte and word swapping
• Read and modify Go code to build custom functionalities for EdgeX device services
• Manage Docker containers, configure shared volumes and map serial host paths into containerized environments
• Troubleshoot complex issues spanning software, network, physical wiring and hardware layers
• Apply OT constraints awareness to avoid overloading serial networks with high-frequency polling requests

Requirements

• 5+ years of experience configuring device-modbus-go service and writing EdgeX Device Profiles in YAML
• Expertise in Modbus RTU (RS-485 serial communication) and Modbus TCP (Ethernet sockets and network routing)
• Proficiency in Go with the ability to read and modify source code for custom device service functionalities
• Familiarity with C++ or Python as an alternative, provided custom wrappers have been developed
• Skills in Docker and Docker Compose for managing microservice-based containerized deployments
• Background in Linux command line, system configuration and network diagnostics on edge devices such as Raspberry Pi or industrial PCs
• Understanding of data translation and math for parsing raw registers and decoding 32-bit values
• Strong analytical and diagnostic skills to troubleshoot issues across software, network and hardware layers
• Knowledge of OT constraints and factory floor safety practices to prevent network overload

We offer

• With us you can:
  • Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
  • Receive the necessary equipment to perform your work tasks
  • Change projects and technology stacks within EPAM
  • Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
  • Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
  • Participate in volunteer, charity programs and communities (both technical and interest-based)
• We focus on your professional growth:
  • You can plan your individual career path together with your manager
  • Receive regular feedback from colleagues
  • Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
  • Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
  • Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
  • Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
  • Study at EPAM Solution Architecture School with the instructors who are practicing architects
  • Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
  • Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)
• What we offer:
  • Vacation and sick leave (including a sick leave without a medical certificate)
  • A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
  • Medical insurance for family members at corporate rates
  • Company support during significant life events (childbirth or adoption, marriage, etc.)
  • Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
  • E-kids program - a free programming language training program for EPAMers' children

Kindly be advised that the set of benefits, including learning, certification, and other opportunities, may vary depending on the role you apply for. Our recruiter will be able to share more details about the specific opportunity during your general interview.

EPAM strives to provide its global team of over 62,350 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.