Principal Software Engineer - II (Contractual)

Pakistan Single Window

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Karachi, Sindh, Pakistan on site Until 8/23/2026 7+ years exp First posted April 17, 2026 Last posted April 17, 2026
Job description
  • Design, architect, and lead development of large-scale distributed microservices using .NET Core.
  • Define high-level system architecture, integration patterns, service boundaries, and domain-driven design (DDD).
  • Establish standards for API design, versioning, data modeling, caching, observability, and resiliency.
  • Design & Develop Software Architecture and applications as per business requirements following best practices.
  • Troubleshoot code-level problems quickly and efficiently
  • Provide architectural blueprints and technical leadership to our development teams
  • Evaluate and recommend tools, technologies, and processes to ensure the highest quality product platform
  • Collaborate with cross-functional teams in technology and product roadmap discussions
  • Conduct code reviews and ensure the team follows best practices.

Requirements

  • 7–8 years of overall software development experience, including at least 3 years in designing and executing enterprise-class products
  • Excellent proficiency & hands-on technical leadership in the following technologies:
      1. Microsoft Technologies: .NET / .NET Core, Web Services
      2. Web technologies: ReactJS, Typescript, Webform, KenduUI, CSS, HTML,NextJS,Micro Frontend
  • Develop modular React applications using micro-frontend architecture (Module Federation / independent deployable apps).
  • Design and develop scalable REST APIs and microservices using .NET Core.
  • Work with SQL Server, PostgreSQL, Oracle, Redis, and message brokers (e.g., Azure Service Bus, RabbitMQ, Kafka).
  • Write unit/integration tests, participate in code reviews, and maintain clean architecture.
  • Build reusable UI components and integrate with backend microservices through REST APIs or WebSockets.
      1. Enterprise Applications: Microservices, Containers, Service orchestration
      2. Database: SQL Server
      3. Others: Git, GitFlow, Linux
  • Strong interpersonal, written, and verbal communication skills
About this role

Summary

Lead architecture and development of microservices, APIs, and front-end applications.

Job title

Principal Software Engineer - II (Contractual)

Experience level

7-8 years

Minimum experience

7+ years exp

Industry

software

Location requirements

Karachi, Pakistan; remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

dotnet corereactjstypescriptsql serverredismessage brokersunit testingcode reviews

Preferred skills

micro frontendrest APIcontainer orchestrationkenduuinextjswebform

Specializations

microservicesapi designreactjsdotnet coredistributed systems
Locations

Structured locations inferred from the posting.

Karachi, Pakistan

On-site City