Senior Backend Engineer

2 weeks ago


Karachi, Sindh, Pakistan PureSquare Full time 1,200,000 - 3,600,000 per year

Job 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)

  • Senior Backend

    2 weeks ago


    Karachi, Sindh, Pakistan Contechtive Full time 6,000,000 - 12,000,000 per year

    Job Title:Senior Backend & Systems Development LeadLocation:Karachi, PakistanEmployment Type:Full-time | On-site/HybridAbout the Hiring CompanyWe are looking for a Senior Backend & Systems Development Lead who can bring together backend engineering, automation, and applied AI to deliver enterprise-grade systems. This role requires strong technical leadership...

  • Senior Backend Lead

    6 days ago


    Karachi, Sindh, Pakistan Quecko Full time 1,200,000 - 3,600,000 per year

    About the Role:We are seeking a highly skilled Senior Backend Lead to drive the architecture, development, and performance of our backend systems. You will lead a team of backend engineers, ensure scalable and maintainable solutions, and work closely with product and frontend teams to deliver high-quality software.Key Responsibilities:Lead the backend...


  • Karachi, Sindh, Pakistan The Tech Resources Full time 1,200,000 - 2,400,000 per year

    Job Description:This is a full-timeON-SITErole for a talented Senior Backend Software Engineer to join our dynamic team in our Karachi office.Candidate must have at least 5+ years of hands-on experience in .NET Core backend development, microservices architecture, API development, SQL Server optimization, and strong backend design patterns including MVVM.You...


  • Karachi, Sindh, Pakistan Taraki Full time 1,500,000 - 2,500,000 per year

    The role is fully remote with the expectation to be available throughout US EST hours (6pm - 2am Pakistan time). About the Role We are working with a full-funded US startup that is hiring a Sr. Backend Engineer with strong Kubernetes experience to lead the migration of backend services to a containerized microservices architecture. You'll architect and...


  • Karachi, Sindh, Pakistan SRP Technologies Full time 1,200,000 - 3,600,000 per year

    Company DescriptionSRP Technologies is at the forefront of digital innovation, specializing in Artificial Intelligence and Machine Learning solutions. We aim to enhance operational efficiency and drive growth by delivering customized, high-impact technologies. With years of industry expertise, we help businesses navigate complex challenges and gain a...


  • Karachi, Sindh, Pakistan Avanza Solutions Full time $90,000 - $120,000 per year

    Company DescriptionSince 2000, Avanza Solutions has been at the forefront of empowering organizations globally to embrace digital transformation through cutting-edge and innovative digital platforms and services. Renowned for its excellence and continual evolution, Avanza specializes in advanced technologies including digital banking, artificial...

  • Senior Backend

    6 days ago


    Karachi, Sindh, Pakistan AHOY Full time 900,000 - 1,200,000 per year

    Position OverviewAHOY is on the lookout for a Senior Backend Developer to join our dynamic remote team. In this role, you will be responsible for designing and implementing high-performance backend services that drive our applications. You'll collaborate closely with cross-functional teams to deliver top-notch solutions and elevate our technology stack.Key...

  • Senior Backend

    6 days ago


    Karachi, Sindh, Pakistan AHOY Full time 900,000 - 1,200,000 per year

    Position OverviewAHOY is on the lookout for a Senior Backend Developer to join our dynamic remote team. In this role, you will be responsible for designing and implementing high-performance backend services that drive our applications. You'll collaborate closely with cross-functional teams to deliver top-notch solutions and elevate our technology stack.Key...


  • Karachi, Sindh, Pakistan Lambda Theta Full time 600,000 - 1,200,000 per year

    Senior Backend Engineer - Platform & InfrastructureCompany Description:Lambda Theta specializes in designing and developingAI-powered software solutionsfor international clients. With expertise incomputer vision, natural language processing (NLP), artificial intelligence, and embedded systems, we deliverstate-of-the-art, customized solutionsthat address...

  • Backend Developer

    4 weeks ago


    Karachi, Sindh, Pakistan Arwen Tech Full time

    OverviewJoin to apply for the Backend Developer role at Arwen Tech.We are looking for an experienced Backend Developer proficient in Laravel and MySQL to maintain and enhance our backend systems. The ideal candidate will focus on improving API performance, adding new features, and fixing bugs while ensuring smooth integration with third-party services and...