Principal Software Engineer (.NET)

Maropost; Hinoba-an; On-site; PHP 350,000 - 550,000; Full time

Job summary

Maropost is seeking a Principal Software Engineer (.NET) to serve as a technical thought leader, architecting large-scale distributed systems and guiding engineering excellence across teams.

You will drive end-to-end system design, evaluate new technologies, and ensure scalable, secure, and performant platforms on cloud-native infrastructure. A strong background in .NET, cloud platforms, and modern UI integrations is essential, along with a passion for customer obsession and delivering value.

Qualifications

• 12+ years of hands-on software development experience with increasing responsibilities.
• 5+ years of strong expertise in .NET / .NET Core, C#, and enterprise-grade backend frameworks.
• Experience architecting solutions on GCP, Azure, or AWS.
• Expertise in CI/CD pipelines, Git workflows, DevOps best practices, and production automation.
• Strong exposure to modern UI frameworks (React/Angular/Vue) and front-end integration patterns.
• Solid understanding of observability, including distributed tracing, logging, telemetry, and performance monitoring.

Responsibilities

• Define and evolve the architecture and engineering roadmap for complex systems.
• Strong experience in architecting cloud-native, high-availability distributed systems and microservices, with end-to-end system design expertise.
• Influence engineering standards and platform strategy across teams and projects.
• Evaluate emerging technologies and adoption strategies.
• Strong knowledge of multithreading, concurrency, parallel programming, and high-throughput systems.
• Drive end-to-end system design with scalable, secure, low-latency trade-offs.
• Lead architecture reviews, critical code reviews, and debugging sessions.
• Represent engineering in architecture forums and governance groups.

Skills

C#

.NET Core

Distributed systems

Cloud architecture

Microservices

System design

Multithreading

Performance optimization

Debugging

Code reviews

Education

Bachelor's or Master's in Computer Science or related field

Tools

GCP

Azure

AWS

CI/CD pipelines

Git workflows

DevOps

Kafka

RabbitMQ

Azure Service Bus

EventHub

Job description

Everything we do is for our customers!

Featured on Deloitte's Technology Fast 500 list and G2's leaderboard, Maropost offers a unified commerce experience that our customers need, transforming ecommerce, retail, marketing automation, merchandising, helpdesk and AI operations with one platform designed to scale for fast-growing businesses. With a relentless focus on our customers’ success, we are motivated by customer obsession, extreme urgency, excellence and resourcefulness to topower 5,000+ global brands while we head to 100,000+.

Driven by the same customer-centric mentality as above, we empower businesses to achieve their goals and grow alongside us. If you're a driver and not passenger and are ready to make a significant impact and be part of our transformative journey, Maropost is the place for you.

The Opportunity:

Thrive on change and grow beyond limits! We are looking for a bold thinker who sees a chance to learn and define what's possible with every challenge! Ready to make an impact? Welcome to Maropost and you can turn ideas into action!

As a Principal Software Engineer (.NET), you will serve as a technical thought leader, architecting large-scale distributed systems, guiding engineering excellence across teams, and enabling long-term technology direction. This role requires deep expertise in .NET, cloud-native architecture, system design, and the ability to steer engineering strategy while remaining hands-on.

What You'll Be Responsible For:

• Define and evolve the technical architecture and engineering roadmap for complex systems.

• Strong experience in architecting cloud-native, high-availability distributed systems and microservices, with end-to-end system design expertise covering scalability, fault tolerance, and security.

• Influence engineering standards, best practices, and long-term platform strategy while providing technical oversight across multiple teams and projects.

• Evaluate emerging technologies and recommend adoption strategies.

• Strong knowledge of multithreading, concurrency, parallel programming, and high-throughput systems.

• Strong ability to drive end-to-end system design while making key architectural trade-offs across scalability, cost, latency, resilience, maintenance, and security.

• Excellent problem-solving skills, system-thinking mindset, and ability to break down complex engineering challenges.

• Write high-quality, performant, maintainable code.

• Conduct deep-dive reviews of architecture, design documents, and critical code.

• Lead complex debugging sessions, performance optimization, and production incident resolution.

• Represent engineering in architecture forums and governance groups.

What You'll Bring to Maropost:

• Bachelor's or master's degree in computer science or a related field.

• 12+ years of hands-on software development experience with progressively increasing responsibilities.

• 5+ years of strong expertise in .NET / .NET Core, C#, and enterprise-grade backend frameworks.

• Experience architecting solutions on GCP, Azure, or AWS.

• Expertise in relational and NoSQL data stores — SQL Server, PostgreSQL, MongoDB, Redis, etc.

• Expertise with CI/CD pipelines, Git workflows, DevOps best practices, and production automation.

• Strong exposure to modern UI frameworks (React/Angular/Vue) and understanding of front-end integration patterns.

• Solid understanding of observability, including distributed tracing, structured logging, telemetry, performance monitoring.

• Proven expertise in designing scalable APIs, asynchronous workflows, and integration patterns using event-driven and messaging architectures (Kafka, RabbitMQ, Azure Service Bus, EventHub).

• You exemplify Maropost’s Values:

o Customer Obsessed

o Extreme Urgency

o Excellence

o Resourceful

Message from the Founders:

Maropost is looking for builders - people who want to drive our business forward at all costsin order toachieve the goals we have both short and long term for the results and outcomes that that will bring to us all.