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Principal Engineer (Go) at IONA

  • Gauteng
  • Salary: Market Related
  • Job Type: Permanent
  • Sectors: Engineering IT Technical
  • Reference: 2290861

Apply before Aug 31 2025 | 17 Days left

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External Application

Vacancy Details

Employer: OfferZen (Pty) Ltd

We are seeking a highly skilled and experienced Principal Software Engineer to join our team full time. This is a hands-on role where you will be deeply involved in the development of drone related backend systems, contributing across the entire stack. You will also have the opportunity to expand into leadership responsibilities, including managing external consultants and freelancers, mentoring other developers, and driving strategy and improvements in processes and toolchains. You will report to the Head of Product and will be entrusted with most of the technological decisions.

 

The ideal candidate is a full-stack expert with strong system architecture skills who thrives in challenging environments where you always need to learn and level up quickly. You will shape the technical foundation of our Transportation Management System (TMS), encompassing vehicle routing, fleet management, predictive maintenance, and more. Additionally, you will oversee the deployment and integration of shared support services.

 

Tasks

Hands-On Development of an UAV-enabled TMS and NOC:

  • Design, develop, and maintain scalable micro-service applications to deliver on customer needs for a Transportation management system (TMS),
  • Lead the development of features across the stack and all the way to deployment and monitoring. The key services to work on are vehicle routing optimization (utilizing Google OR Tools), fleet and predictive maintenance, advanced resource scheduling, compliance management, staffing management.
  • Wrangle with a variety of SQL, noSQL and streaming databases. Later on, you will also be responsible for building a data lake/warehouse and the foundation of business intelligence.
  • Support the creation of a Network Operating Center (NOC) on the software & system side and other strategic initiatives such as design and development of digital twin infrastructure.
  • Own the definition of done, performance, security, and usability.

 

System Architecture and Integration:

  • Drive the design and implementation of modular, scalable system architectures for TMS and related services.
  • Ensure seamless integration and deployment of shared support services such as IAM/user authentication, email and notification systems, and support ticketing tools.
  • Own CI/CD pipeline and internal processes around it

 

Leadership and Mentorship:

  • Mentor other developers, fostering a culture of excellence and continuous improvement.
  • Actively explore and test various AI-enabled tools, then drive their adoption, development process improvements, and putting in place best practices to enhance team productivity.
  • Oversee and guide external consultants and freelancers to deliver high-quality results.

 

Benefits

  • Equity Options: significant participation in the company’s equity scheme is available for the right candidate.
  • Growth Opportunities: cross-functional learning and high growth potential within a dynamic start-up environment.
  • High Autonomy: Minimal bureaucracy and the ability to make impactful decisions.
  • Collaborative Environment: Work with a passionate team committed to revolutionizing the transportation and logistics space.

Candidate Requirements

Requirements

Required Qualifications and Skills

  • At minimum 10 years of work experience in software development roles
  • Strong programming skills in Go, React and JavaScript
  • Great understanding of PostgreSQL, MongoDB and data streaming pipelines
  • Proven experience designing and implementing scalable system architectures along SOA & clean code principles.
  • Proven experience in solving complex algorithmical challenges (think of traveling salesman, complex web interconnected variables and calculations affecting cargo load management and 3D binning, 4-dimensional object collisions, constraint-based 4-dimensional flight route finding)
  • Docker (Compose, DNS, Swarm), Github Actions,
  • Very good at proactive communication and empathy

 

Preferred Qualifications

  • Any experience working with GIS data, Solace, on-prem infrastructure, Terraform, Ansible
  • Experience from both fast-paced startups and large corporations

 


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About OfferZen (Pty) Ltd

OfferZen is a developer job marketplace where 2000+ SA and EU companies hire from a community of 100 000+ makers.

 

Our mission is to help people unlock their potential by helping them build awesome software. To do this, we are connecting actively-searching developers in South Africa and the EU with exciting job opportunities from over 2000 companies.

We also flip the typical recruitment process on its head – companies reach out to candidates with upfront tech stack and salary information. 

 

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About Careers24.com

  • Careers24 is a leading South African job portal that assists jobseekers from all sectors and experience levels to find and apply for vacancies from hundreds of South Africa’s leading companies. With over a million visitors a month, we are one of the most popular destinations to find employment online in South Africa.

    Our mission is to become the destination where every candidate can find an ideal job and where every company can find the perfect candidate. We are a proud member of the Media24 family and part of the Naspers group of companies.

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