Senior Full Stack Engineer

AIO App Inc

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Islamabad, PK Until 9/21/2026 6+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

About the Role

We are looking for a Senior Full Stack Engineer to join our engineering team. You will design, implement, and maintain full stack features, ensuring high-quality, scalable, and performant software for our All-In-One restaurant platform.

As a Senior Full Stack Engineer, you will work closely with product managers, designers, and other engineers to deliver complex features, improve software architecture, and mentor junior team members. You will also contribute to CI/CD processes, code quality, and software development best practices.

What will be your responsibilities?

  • Design, implement, and maintain full stack features for front-end and back-end components.
  • Take ownership of feature development, ensuring code quality, scalability, and maintainability.
  • Collaborate with product and design teams to translate requirements into technical solutions.
  • Participate in code reviews, providing feedback and mentoring junior engineers.
  • Implement and maintain unit and integration tests, CI/CD pipelines, and deployment processes.
  • Optimize database queries, API performance, and application scalability.
  • Contribute to software architecture decisions and the adoption of best practices.
  • Troubleshoot and resolve complex technical issues across the stack.
  • Assist in improving team processes, tooling, and development practices.
  • Mentor and support junior engineers, sharing best practices.

What are we looking for, and what does it require to be the right fit for this role?

  • B.S. or higher degree in Computer Science, Engineering, or a related technical field.
  • At least 6 years of hands-on fullstack development experience, including NodeJS, ExpressJS, NestJS, or similar backend frameworks.
  • Strong knowledge of RESTful APIs and web services.
  • Solid experience with SQL databases, query optimization, and data modeling.
  • Exposure to cloud services such as AWS, Firebase, or similar.
  • Proficient in JavaScript/TypeScript.
  • Experience with front-end frameworks such as ReactJS, Angular, or similar.
  • Experience with source control (GIT), CI/CD pipelines (Jenkins, GitHub Actions, etc.).
  • Familiarity with unit testing frameworks like Mocha, Jest, or equivalent.
  • Understanding of software architecture principles and scalable system design.

Nice to Haves:

  • Experience with modern front-end tools and UI/UX best practices.
  • Familiarity with Agile/Scrum development environments.

Why Join AIO?

Our mission is to revolutionize the US restaurant industry by providing a comprehensive and fully integrated solution that empowers restaurant owners to efficiently manage all aspects of their business. Our platform combines our patented AI technology with unparalleled customer support to help owners increase revenue, reduce costs, and improve their overall profit margins.

We believe that restaurants should be able to focus on delivering exceptional dining experiences to their customers, without the added stress of managing complex and disparate systems. That's why we offer an All-In-One super app platform for all their needs, from front-of-the-house operations like ordering, payment, marketing and rewards, to back-of-the-house management like inventory, staff, and financials.

We are laser focused on becoming a significant player in the $55 billion restaurant tech SaaS market. You will be a part of a world class, up-and-coming Silicon Valley funded startup.

About this role

Summary

Design, develop, maintain scalable full stack features; mentor juniors; optimize performance.

Job title

Senior Full Stack Engineer

Experience level

6+ years

Minimum experience

6+ years exp

Industry

software

Location requirements

Must be in Islamabad, PK; remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

nodejsexpressjsnestjsrestful APIssqlawsfirebasejavascripttypescriptreactjsgitci/cdmochajest

Preferred skills

ui/uxagile

Specializations

full stacknodejsreactjssqlcloud
Locations

Structured locations inferred from the posting.

Islamabad, Pakistan

On-site City