Senior PLC Developer

PLC Developers design, develop, and maintain industrial automation solutions using Programmable Logic Controllers (PLCs). In this role, you will primarily work on PLC programming for industrial and automation systems, while also having the opportunity to contribute to other software-related projects depending on business needs and project availability.
As we are an outsourcing company with a diverse technology stack, we value professionals who are open to learning and occasionally working with technologies beyond PLC programming. This role is ideal for engineers who enjoy automation, problem-solving, and continuous learning in a collaborative, fast-paced environment.

• Develop, program, and maintain PLC applications for industrial automation systems.
• Program PLCs using IEC 61131-3 standard languages, including:
   o Ladder Diagram (LD)
   o Structured Text (ST)
   o Function Block Diagram (FBD)
   o Sequential Function Chart (SFC)
   o Instruction List (IL) (mainly for legacy systems)

• Configure, test, and troubleshoot automation systems to ensure reliability and performance.
• Collaborate with automation engineers, electricians, and other stakeholders during project execution.
• Participate in commissioning, debugging, and optimization of PLC-controlled systems.
• Maintain technical documentation related to PLC programs and system configurations.
• Work alongside software engineers on multidisciplinary projects when needed.
• Understand system-level interactions between hardware, control software, and higher-level applications.
• Contribute to projects from concept through implementation and deployment.
• Stay up to date with developments in industrial automation and software technologies.

• Experience with PLC programming in industrial or automation environments.
• Preferable hands-on experience with Mitsubishi PLCs and GX Works2 / GX Works3, but not mandatory.
• Previous experience with Mitsubishi PLC platforms (e.g., MELSEC iQ-R, iQ-F, FX series) it’s a plus.
• Solid knowledge of IEC 61131-3 programming languages, especially Ladder Diagram (LD) and Structured Text (ST).
• Ability to analyze automation requirements and translate them into reliable control logic.
• Good problem-solving and debugging skills.
• Strong attention to detail and commitment to code quality and system safety.
• Good verbal communication skills and ability to work in a team-oriented environment.

• Basic experience or interest in software development beyond PLC programming.
• Familiarity with one or more of the following:
   o Frontend technologies: HTML, CSS, JavaScript, Angular, React, Vue
   o Backend technologies: Python, Java, C#, PHP, Ruby
   o Databases: MySQL, SQL Server, Oracle, MongoDB
   o API concepts or system integrations
• Experience working in an outsourcing or project-based environment.
• Willingness to learn new technologies and adapt to different types of projects.

• You will work with amazing teammates from across Europe.
• Take a leading role in our newly-established Bulgarian center, contributing to the foundation of our future.
• Our Sofia office is right in the center, ensuring that everything you need is close by.
• Monthly transport allowance and enjoy the convenience of a dedicated parking area at the office.
• Enjoy 25 days of paid leave, we make sure you have plenty of time to relax and recharge.
• We’ve got you covered with additional premium health insurance and dental care, to keep you and your family protected.
• We offer food vouchers and to add a little extra you can enjoy complimentary meals in the office.
• Fully covered Multisport card that gives you access to a variety of fitness options to keep you active and feeling great.
• We support your growth with certifications and courses that help you advance your career.
• Join us for Social Events, Informal Office Gatherings and Team-building activities with your colleagues, where we celebrate our achievements together.
• We’ll work with you on an individual plan to help you reach your career goals.
• Benefit from our coaching and mentorship programs, technological and professional guilds that offer guidance and support for your career journey.
• Participate in various social initiatives, contributing to causes that matter to you.
• Use our online platform, dedicated to your well-being and mental health.
• Enjoy the flexibility of our Work Abroad Policy, letting you work from another European country for a period of time.
• Refer a Friend, Get Rewarded.