Senior Back-End Engineer (Remote, Full-Time) [HRPS] PK

About Smart Working

At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity - it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well‑being.

Our mission is simple : to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally.

Join one of the highest-rated workplaces on Glassdoor and experience what it means to thrive in a truly remote‑first world.

About the Role

We’re looking for a Senior Back-End Engineer to join a collaborative engineering team developing and enhancing a modern HR and Payroll platform.

You’ll take ownership of designing, building, and maintaining reliable, high-performance backend systems using .NET / C#, ensuring scalability, maintainability, and seamless integration with front-end and third-party systems.

This long-term role is ideal for an experienced engineer who thrives on solving complex technical challenges and enjoys contributing to an agile, high-quality product environment.

Responsibilities

• Backend Development (80%) – Design, develop, and maintain scalable backend components and APIs using .NET / C#
• Integration – Build and optimise RESTful APIs, ensuring smooth communication between system components and third-party integrations
• Maintenance & Optimisation – Maintain and enhance existing backend features to ensure stability, performance, and reliability at scale
• Collaboration – Work closely with Team Leads, Product Managers, UX Designers, and other Engineers to deliver high-quality software aligned with product goals
• Code Quality – Participate in code reviews, pair programming, and testing, ensuring clean, well‑structured, and maintainable code
• Problem‑Solving – Identify and resolve issues during development and QA efficiently, with a pragmatic, analytical approach
• Technical Leadership – Provide mentorship, share knowledge, and contribute to team discussions on architecture and technical direction
• Continuous Improvement – Stay updated on emerging technologies and best practices in backend development to drive innovation within the team

Requirements

Nice to Have

At Smart Working, you’ll never be just another remote hire.

Be a Smart Worker — valued, empowered, and part of a culture that celebrates integrity, excellence, and ambition.

If that sounds like your kind of place, we’d love to hear your story.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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