Principal Software Engineer (total comp up to €175k)

nineDots.io; Dublin; On-site; EUR 120,000 - 190,000; Full time

Benefits offered by this job

Competitive salary

Bonus

Benefits

Job summary

nineDots.io is building the Dublin-based engineering team focused on high-scale, cross-border commerce infrastructure. You will help design and deliver core services for logistics and order management, shaping API-first distributed systems with real-time tracking capabilities.

The role emphasizes technical leadership, system reliability, and the opportunity to scale platforms for a growing international footprint in a fast-paced environment.

Qualifications

• 7+ years building large-scale customer-facing systems.
• Experience with distributed systems and microservices architectures.
• Solid cloud experience (AWS preferred).

Responsibilities

• Lead the design and delivery of core services across logistics and order management systems.
• Define and guide architecture for distributed, API-first microservices.
• Build systems for fulfilment, shipping labels, and real-time tracking.
• Drive engineering standards, clean code, testing, and system reliability.
• Scale infrastructure and tooling to support rapid international growth.
• Work closely with product and cross-functional teams to ship high-impact features.

Skills

Distributed systems

Microservices architecture

Cloud (AWS)

System design & performance

Technical leadership

Job description

You’ll be joining a global eCommerce platform that enables brands to sell internationally without the usual complexity.

Our client powers cross-border commerce for hundreds of retailers, handling everything from localisation and payments to logistics, tax, and compliance across 200+ destinations worldwide.

Their Dublin engineering team is building the systems that sit at the core of that experience, high-scale, high-impact, and deeply technical.

What’s in it for You

• Work on systems handling millions of global transactions at scale
• Own architecture decisions in a true Principal-level role
• High-impact domain, logistics, fulfilment, tracking, and cross-border complexity
• Strong engineering culture with a focus on quality, scalability, and autonomy
• Competitive salary + bonus + benefits

What You’ll Do

• Lead the design and delivery of core services across logistics and order management systems
• Define and guide architecture for distributed, API-first microservices
• Build systems for fulfilment, shipping labels, and real-time tracking
• Drive engineering standards, clean code, testing, and system reliability
• Scale infrastructure and tooling to support rapid international growth
• Work closely with product and cross-functional teams to ship high-impact features

What You’ll Bring

• 7+ years building large-scale, customer-facing systems
• Strong experience with distributed systems and microservices architectures
• Solid cloud experience (AWS preferred)
• Experience working in high-throughput, high-reliability environments
• Strong understanding of system design, performance, and scalability
• Comfortable leading technically while remaining hands-on

Nice to Have

• Experience in eCommerce, fintech, or logistics platforms
• Exposure to functional programming (not mandatory)
• Experience integrating with external systems (e.g. carriers, payments, APIs)

Why This Role

You’re not just building services, you’re shaping how global commerce actually moves.

This team sits at the intersection of logistics, compliance, and real-time systems, integrating with carriers worldwide, handling taxation, and delivering a seamless experience to customers globally.

It’s complex, high-scale, and very real-world.