Senior Backend Engineer

18 hours ago

Karachi, Sindh, Pakistan PureSquare Full time
Overview

We are seeking a talented and experienced Senior Backend Engineers (Java) to join our growing development team. The ideal candidate is passionate about backend engineering, has hands-on experience building scalable Java-based microservices, and thrives in a SaaS product environment. Familiarity with modern engineering practices—such as CI/CD, DevOps culture, and microservices architecture—is essential. Experience with Go or scripting languages like Python is a plus.

Key Responsibilities
  • Design, develop, and maintain robust, scalable, and secure Java-based microservices.
  • Collaborate with Product Managers and stakeholders to translate business requirements into technical solutions.
  • Participate in Agile processes (sprint planning, backlog grooming, retrospectives) and contribute to team velocity and product delivery.
  • Conduct code reviews, write unit/integration tests, and perform system-level testing to ensure code quality.
  • Troubleshoot complex issues and provide production support as needed.
  • Provide technical mentorship to junior developers and ensure alignment with architectural standards and best practices.
  • Optimize algorithms, data structures, and system performance.
  • Stay current with emerging technologies and advocate for their adoption where appropriate.
  • Write automation scripts (e.g., in Python) to support development and deployment workflows.
  • Contribute to full-stack development in collaboration with frontend and DevOps teams.
  • Maintain technical documentation for backend services, system architecture, and APIs.
  • Participate in architectural discussions and design of new features or improvements.
Qualifications
  • Bachelor's degree in Computer Science, Engineering, or related field, or equivalent work experience.
  • 3+ years of hands-on experience in Java (Spring Boot preferred) backend development.
  • Proficiency in MySQL, including writing complex queries, performance optimization, and schema design.
  • Experience with Redis for caching and state management.
  • Familiarity with Kafka, RabbitMQ or similar message brokers in an event-driven system.
  • Strong understanding of RESTful APIs, microservices architecture, and system design principles.
  • Knowledge of security principles, API rate limiting, and data protection.
  • Hands-on experience with version control tools like Git.
  • Previous experience in a B2B SaaS product environment is a strong plus.
Must Haves
  • System Design and Architecture (Java/Spring Boot)
  • Advanced Database Management
  • Operational Excellence (Monitoring, Logging, CI/CD)
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • IT Services and IT Consulting

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