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

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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.

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

4+ years of professional experience in backend development with recent, hands‑on expertise in .NET / C#

Proven experience building and maintaining RESTful APIs and microservices

Strong understanding of object‑oriented programming (OOP), SOLID principles, and software design patterns

Experience working with SQL or other relational databases

Proficiency in debugging, testing, and performance optimisation for large‑scale applications

Experience working in agile, cross‑functional teams, collaborating effectively across roles

Excellent analytical, problem‑solving, and communication skills

Demonstrated ability to write clean, efficient, and maintainable code

Nice to Have

Experience working in AWS environments or deploying backend services in cloud‑based infrastructure

Exposure to CI / CD pipelines, infrastructure automation, or containerisation tools

Familiarity with front‑end frameworks (e.g., Angular) and understanding of how backend services integrate with the UI

Experience mentoring junior engineers or supporting best practices across teams

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, analysing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgement. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Seniority level : Not Applicable

Employment type : Full‑time

Job function : Engineering and Information Technology

Industries : Software Development

Location : Sindh, Pakistan

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