Principal Software Engineer (Fullstack)

There are NO limits to your career: come shape the future and be part of a truly unique global culture at OutSystems!

About This Role

As a Principal Software Engineer in OutSystems R&D, you’ll help shape the experience of the next generation of AI driven developer capabilities that are offered by our Platform, building delightful, powerful, and high-performance tools that make modern application development faster and more enjoyable.

In this role, you’ll collaborate closely with architects, PMs, designers and fellow engineers to deliver features end-to-end — from technical design and implementation to performance optimization and usability. You’ll tackle complex engineering challenges around user experience, scalability, collaboration, and developer productivity, while ensuring that our users can trust the quality and reliability of the tools they rely on daily.

We’re looking for engineers who are passionate about building outstanding developer experiences, curious about new technologies, and motivated by solving real-world challenges with elegant solutions. 

At OutSystems, you’ll work in an environment that values collaboration, craftsmanship, and continuous learning — while making a direct impact on how the next generation of software is created.

Key Responsibilities 

• Drive the solution design, implementation, and maintenance of robust, delightful, scalable, and secure core features for our developers building apps on OutSystems.

• Collaborate with product managers, UX designers, and other engineers to deliver solutions that balance functionality, usability, scalability, and high degree of automation.

• Own features end-to-end: from architecture and technical design to alignments, coding, testing, deployment, and monitoring in production.

• Drive engineering excellence by promoting clean code practices, automated testing, performance optimization, and continuous delivery.

• Mentor and support other engineers, fostering knowledge sharing and a culture of innovation.

• Stay up to date with emerging technologies and bring forward ideas to continuously improve our engineering.

What You Need To Succeed 

• Proven experience (10+ years) as a software engineer solving complex problems, and building high-impact products or platforms.

• Strong skills in TypeScript/JavaScript and modern web development frameworks (e.g., React, Angular, or similar).

• Strong skills in C# (.NET Core).

• Solid understanding of software architecture, design patterns, and scalability principles.

• Experience with cloud-native development (e.g., microservices, containers, CI/CD pipelines, monitoring, distributed systems).

• Familiarity with building developer tools, IDEs, or productivity software is a strong plus.

• Knowledge of performance optimization, debugging complex issues, and ensuring product reliability at scale.

• Excellent collaboration skills, with the ability to work across product, design, and engineering teams.

• Passion for delivering outstanding developer experiences and helping others build great software.

• Good communication skills and fluency in English.

The Longer Story:

Working at OutSystems

Our goal is to ensure that OutSystems is a place for bright, happy, and motivated people who share a common purpose and take pride in doing excellent work to pursue our vision of providing the AI-powered low-code development platform enterprise leaders trust to build, secure, and evolve their business applications, agents, and core systems. Our culture is focused on our core values of trust, customer success, innovation, and alignment. Our team members operate with transparency, integrity, and accountability, define success through the lens of the outcomes we deliver for our customers, push the boundaries with excellence, and work together toward our shared vision to deliver on what matters most.

What do we have to offer you?

• A company that is always growing, changing, and innovating. We challenge each other to innovate in our products, in our team, and how we use our own technology. And we give our teams space to be proactive and creative.

• Real career opportunities. We care about growth and development. Yes, vertical career progression is a possibility, but it's not the only one. From lateral moves and joining different teams to mastering specialized skills, we support your growth no matter what your goals are.

• Work colleagues that are as smart, hard-working, and driven as you. We act as one global OutSystems team, taking ownership and working together toward a shared vision.

• Disrupting the status quo is in our DNA. In fact, it’s why our company exists.

• We ask “why” a lot. It helps us connect our individual work to the bigger picture and sometimes even uncover a better way.

Are you ready for the next step in your career? Then we’d love to hear from you!

OutSystems nurtures an inclusive culture of diversity, where everyone feels empowered to be their authentic self and perform at their best. A company that embraces the creativity and innovation that comes through diverse perspectives. We are committed to creating a team that reflects society through inclusive programs and initiatives and are proud to be an equal opportunity employer. All qualified applicants receive equal consideration regardless of race, place of origin, color, age, marital status, religion, sex, sexual orientation, gender expression or identity, protected veteran status, disability status or any other status protected by law.