software engineer

network engineer

data engineer

devops engineer

application engineer

backend engineer

VIRTUOSOFT

About the Role:We are looking for a Lead Backend Engineer / Senior Software Engineer with strong expertise in NestJS and microservice-based architectures. The ideal candidate will take ownership of backend systems, design scalable distributed solutions, and collaborate with cross-functional teams to deliver high-performance, cloud-native applications.This role is ideal for an engineer who enjoys hands-on backend development, system optimization, and architectural problem-solving using NestJS, MongoDB, and AWS.Key Responsibilities:<ul><li>Design, develop, and maintain scalable and secure backend architectures using NestJS and Node.js.</li><li>Implement and manage microservices and RESTful APIs for distributed applications.</li><li>Optimize SQL/NoSQL databases, particularly MongoDB, by implementing efficient schema designs, indexing, and query optimization strategies.</li><li>Deploy and manage AWS infrastructure leveraging Docker and Kubernetes (EKS).</li><li>Develop and maintain CI/CD pipelines and automated deployment workflows.</li><li>Collaborate with frontend and mobile teams (Next.js / Flutter) to ensure seamless integration.</li><li>Participate in code reviews, troubleshoot production issues, and drive performance improvements.</li><li>Contribute to architectural discussions and propose technical enhancements.</li><li>Implement and manage secure payment gateway integrations (e.g., Stripe, PayPal, or local providers) ensuring reliability, compliance, and smooth transaction flow.</li><li>Implement and maintain Meta SDK integrations for authentication, analytics, and social features across backend and mobile platforms.</li><li>Integrate and manage third-party APIs and services, including Meta SDKs and payment gateways, ensuring seamless data flow, reliability, and security.</li><li>Optionally integrate Algolia, CleverTap, and Agora to support advanced analytics, notifications, and communication modules.</li></ul>Required Skills &amp; Experience:<ul><li>3&ndash;5 years of professional experience in backend or full-stack development.</li><li>Strong hands-on experience with NestJS, Node.js, and TypeScript.</li><li>Solid understanding of microservices, API design, and distributed systems.</li><li>Proficiency with MongoDB, including schema design and performance tuning.</li><li>Hands-on experience with AWS, Docker, and Kubernetes (EKS).</li><li>Familiarity with CI/CD, Git, and deployment automation.</li><li>Experience integrating APIs such as Algolia, CleverTap, Meta, or Agora.</li><li>Strong analytical, problem-solving, and communication skills.</li></ul>Job Type: Full-timeWork Location: In person

Lead Backend Engineer / Senior Software Engineer

9D Technologies & Imagination AI

<div>9D Technologies and ImaginationAI are at the forefront of mobile applications and game publishing, delivering innovative and engaging experiences to users worldwide. Our mission is to create extraordinary digital experiences that captivate and entertain, and we are committed to pushing the boundaries of creativity and technology utilizing AI. 
 
We are seeking a highly ambitious and tech-savvy Social Media Manager to own the social presence for our portfolio of innovative, AI-first products. You will be a key driver of our growth, using a cutting-edge AI tool stack to create content that not only captivates but converts. Your mission is to build a direct line from social media activity to our bottom line. 
Responsibilities:<ul>
<li>
Design, implement, and maintain backend services and APIs using Python(Flask) or Golang.
</li><li>Build scalable, reliable, and high-performance systems for large-scale data processing and transactions.
</li><li>Apply design patterns and best practices to ensure maintainability, testability, and reusability of code.
</li><li>Work with relational and non-relational database systems (e.g., PostgreSQL, MySQL, MongoDB, Redis) for data modeling, optimization, and query performance tuning.
</li><li>Collaborate with frontend engineers, DevOps, and product managers to deliver end-to-end solutions.
</li><li>Ensure system security, performance, and availability through monitoring, logging, and troubleshooting.
</li>Participate in code reviews, mentor team members, and contribute to continuous improvement of development practices. 
<li>
</li>
</ul>Requirements<ul>
<li>
Bachelor&rsquo;s degree in Computer Science, Engineering, or related field (or equivalent experience).
</li><li>6+ years of professional backend development experience.
</li><li>Strong proficiency in Python or Golang (knowledge of both is a plus).
</li><li>Solid understanding of database systems (SQL and NoSQL).
</li><li>Strong grasp of software engineering principles, design patterns, and system architecture.
</li><li>Experience with RESTful APIs, gRPC, or GraphQL.
</li><li>Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
</li><li>Knowledge of CI/CD pipelines, testing frameworks, and monitoring tools.
</li><li>Excellent problem-solving, communication, and teamwork skills.</li>
</ul>
Why you'll love it here 
 
You won't just be scheduling posts. You will be at the forefront of defining how AI products are marketed. You will have the autonomy to experiment, the budget to test your ideas, and a direct impact on the growth of a leading-edge product portfolio. 
 
Our Commitment to Diversity &amp; Inclusion 
 
We are an equal opportunity employer and value diversity at our organization. We believe that an inclusive workplace drives innovation, creativity, and success. We welcome applicants from all backgrounds, experiences, and perspectives.
Benefits<ul>
<li>
Competitive pay that matches your skills and experience</li>
<li>Family Health Insurance</li>
<li>Paid Time Off to recharge and relax</li>
<li>Work-Life Balance and a supportive environment</li>
<li>Delicious meals provided to keep you fueled</li>
<li>Stay active with convenient, on-site fitness facilities</li></ul></div>

Senior Backend Engineer - (Python/Go)

NextGenI

<div><div><div><div><div><div><div><ul><div>Karachi</div>
<div>Full-Time</div><div> 
</div></ul></div></div></div></div></div></div><div><div><div>Job Details:
<div><ul><li>Role: Agentic AI Node.js Engineer</li></ul>
<ul><li>Location: Hybrid
</li></ul><ul><li>Type: Full-Time</li></ul>
<ul><li>Experience Range: 2-5 years</li></ul>
</div>
About NextGENi: 
 
NextGENi (Next Generation Innovations) is transforming how regional startups build their technology teams. We help ambitious founders build and manage their offshore technology teams at twice the speed and fraction of the cost. We have built tech teams for some of the leading startups in the region including Careem, Dubizzle, and Kavak. Our mission is to create exceptional tech teams while maintaining an unparalleled culture and the highest regard for professional principles.
About the Role: 
 
We are looking for a Backend Engineer to join our fast-paced and innovative product engineering team. A major aspect of this role involves integrating AI-powered solutions and automation workflows using cutting-edge stacks like LangChain, OpenAI, and vector databases, helping shape the intelligence layer of our products. You&rsquo;ll work in an agile environment where ownership, creativity, and continuous learning are highly encouraged. 
Key Responsibilities:
You&rsquo;ll be part of a fast-moving product engineering team working on:
<div><ul><li>Building scalable, serverless backend systems using AWS (Lambda, DynamoDB, S3, etc.)</li></ul>
<ul><li>Writing clean, modular code in Node.js with TypeScript</li></ul>
<ul><li>Building AI agents and automation workflows using stacks like LangChain, OpenAI, and vector databases</li></ul>
<ul><li>Shipping features quickly with a high sense of ownership and learning on the go</li></ul>
</div>
Key Requirements:
<div><ul><li>Proficiency with Node.js, TypeScript, and JavaScript</li></ul>
<ul><li>Familiarity with AWS and serverless architecture</li></ul>
<ul><li>Exposure to AI/LLM stacks like LangChain and embedding/vector search</li></ul>
<ul><li>Strong problem-solving mindset and attention to detail</li></ul>
<ul><li>Driven, ambitious, and quick to pick up new tools and concepts</li></ul>
</div>
Nice to Have:
<div><ul><li>Experience with database design (MongoDB, DynamoDB, etc.)</li></ul>
<ul><li>Comfort with Git-based workflows and CI/CD pipelines</li></ul>
<ul><li>Prior exposure to finance or B2B SaaS products</li></ul>
<ul><li>Worked with n8n &amp; v0</li></ul>
</div>
<div><div>Instructions to Apply
To Apply, send your resumes to talent@nextgeni.com with subject mentioning &ldquo;NGI-Node-004&rsquo;&rsquo; 
Download a blank applicant form
<div><div>Download Form</div></div>
<div>Disclaimer 
Kindly refrain from renaming this file or altering the form&rsquo;s format, as it may result in rejection by the ATS. member at NextGENi, and you have cleared the assignment.</div>
</div></div>
</div></div></div><div><div><div><div>Benefits
If you give your employees the best, they will give you their best! 
We offer the best compensation package to our employees in the industry within Pakistan, second only to none. Take a look at our comprehensive list of benefits that comes with working for us, regardless of your title and position.</div></div></div></div></div>

Agentic AI Node.js Engineer

Arc Inventor

We are seeking a Junior Software Engineer with a solid foundation in Node.js and a passion for building scalable backend systems. You will work closely with senior engineers to design, develop, and maintain backend services and APIs that are secure, performant, and optimized for scalability. This is a great opportunity to grow your skills in backend architecture, cloud systems, and distributed application design.Key ResponsibilitiesBackend Development &amp; Architecture<ul><li>Develop and maintain backend services and APIs using Node.js.</li><li>Contribute to designing microservice-based architectures that emphasize modularity and maintainability.</li><li>Write clean, secure, and well-documented code following best practices.</li></ul>API Design &amp; Integration<ul><li>Build and integrate RESTful APIs with proper authentication and authorization (JWT, OAuth, Firebase Authentication).</li><li>Work with frontend and mobile developers to ensure seamless API integration.</li><li>Implement consistent response structures and error handling.</li></ul>Database Engineering<ul><li>Design and implement database models using MySQL and NoSQL systems.</li><li>Write optimized queries and support indexing strategies for performance.</li><li>Gain hands-on experience with Elasticsearch for search and analytics.</li></ul>Caching &amp; Performance<ul><li>Learn and apply caching strategies using Redis or similar technologies.</li><li>Monitor API performance and optimize for speed and scalability.</li></ul>Background Jobs &amp; Distributed Systems<ul><li>Assist in developing and managing background job queues and schedulers.</li><li>Work with distributed systems to handle large datasets and concurrent workloads effectively.</li></ul>Cloud &amp; Security<ul><li>Support deployment and monitoring of backend services on AWS, GCP, or Azure.</li><li>Implement secure coding practices and assist with API security audits.</li><li>Learn cloud-native security fundamentals like IAM roles, secret management, and encryption.</li></ul>Required Skills &amp; Experience<ul><li>1&ndash;2 years of professional or project-based experience in backend development (internships or academic projects accepted).</li><li>Solid understanding of Node.js, REST APIs, and JavaScript/TypeScript.</li><li>Basic experience with MySQL and at least one NoSQL database (e.g., MongoDB).</li><li>Familiarity with Redis or other caching systems.</li><li>Understanding of API authentication and basic security principles.</li><li>Exposure to cloud platforms (AWS, GCP, or Azure) and deployment processes.</li><li>Experience with Git, Agile methodologies, and basic CI/CD pipelines.</li><li>Knowledge of Docker or Kubernetes is a plus.</li></ul>Job Type: Full-timeWork Location: In person

Junior Software Engineer

Pivotize Consulting

Technology Stack .NET Core 8, SQL Server 2019 Enterprise Edition, Redis, SQL Lite, ODataRole SummaryWe are hiring a backend engineer focused on optimizing APIs, SQL queries, caching layers, and security standards for large-scale enterprise applications built on .NET Core and SQL Server.Key Responsibilities<ul><li>&middot; Profile and optimize .NET Core 8 APIs for performance, concurrency, and scalability.</li><li>&middot; Refactor and tune SQL Server stored procedures, queries, and indexes.</li><li>&middot; Implement partitioning, materialized views, and temporal tables for scaling data performance.</li><li>&middot; Optimize Redis caching and IIS configurations for faster releases and throughput.</li><li>&middot; Conduct grey-box and black-box testing to identify and close vulnerabilities.</li><li>&middot; Design and prepare backend services for microservices architecture transition.</li><li>Required Skills</li><li>&middot; 6+ years of backend development experience using .NET Core and SQL Server.</li><li>&middot; Proficient in SQL Server query optimization, indexing, partitioning, and query execution plan analysis.</li><li>&middot; Hands-on with IIS tuning, Redis, and application performance profiling tools.</li><li>&middot; Strong understanding of API security, authentication, and OWASP compliance.</li><li>&middot; Experience in microservices design using Docker and Kubernetes.</li><li>&middot; Understanding of Agile methodologies.</li><li>&middot; Familiarity with architecture styles/APIs REST.</li></ul>Preferred Skills / Experience<ul><li>&middot; Knowledge of cloud scaling strategies and load balancing.</li><li>&middot; Experience integrating Application Insights or similar performance monitoring tools.</li></ul>Key Performance Indicators (KPIs)<ul><li>Reduce API response times by at least 50%.</li><li>Achieve SQL query execution within &lt;2 seconds for key procedures.</li><li>Zero critical vulnerabilities remaining after</li></ul>Job Type: Full-timePay: Rs200,000.00 - Rs250,000.00 per monthApplication Question(s):<ul><li>What is your current salary?</li><li>What is your expected salary?</li><li>What is your notice period?</li><li>Since it's an on-site role, would you be able to commute to Bahria Complex 1, M.T.Khan Road? </li></ul>Work Location: In person

Backend Performance & Security Engineer

MeezoTech

Job description:Job Title: Senior Full Stack EngineerDepartment: TechnologyReporting to: Head of TechnologyRole Overview:The Senior Full Stack Engineer is responsible for architecting, developing, and maintaining both server-side logic and user-facing components of complex web applications. This role requires deep expertise in designing scalable, high-performing, and secure systems across the stack, as well as mentoring team members and driving best practices. The Senior Full Stack Engineer collaborates closely with cross-functional teams, influences technical direction, and ensures the delivery of robust, maintainable, and innovative solutions that align with business objectives.Key Responsibilities:&#9679; Architect, design, and develop scalable and maintainable frontend and backend systems for web applications.&#9679; Lead the design and implementation of RESTful APIs and backend services, ensuring best practices in security, performance, and scalability.&#9679; Drive the adoption of modern frontend frameworks (such as React, Angular, Next.js, or Vue.js) and ensure the delivery of accessible, responsive, and high-quality user experiences.&#9679; Optimize application performance at both the code and infrastructure levels, proactively identifying and resolving bottlenecks.&#9679; Champion code quality by implementing and enforcing robust testing strategies (unit, integration, and end-to-end), TDD, and code review processes.&#9679; Mentor and support junior engineers, fostering a culture of continuous learning, technical excellence, and knowledge sharing.&#9679; Collaborate with product managers, designers, and other stakeholders to translate business requirements into technical solutions.&#9679; Ensure seamless data flow and integration between frontend and backend systems, including third-party services.&#9679; Implement and maintain security best practices, data protection, and compliance measures across the stack.&#9679; Troubleshoot and resolve complex technical issues, providing guidance and support to the engineering team.&#9679; Contribute to technical documentation, architectural decisions, and process improvements.Requirements &amp; Qualifications:&#9679; Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or a related field.&#9679; Extensive experience as a Full Stack Engineer, with a proven track record of delivering complex, high-impact projects.&#9679; Advanced proficiency in programming languages such as Python, TypeScript, Go, or Java, as well as frontend technologies (HTML, CSS, JavaScript).&#9679; Deep expertise in backend frameworks (e.g., Django, Node.js, Fastify, Flask) and modern frontend frameworks (e.g., React, Angular, Next.js, Vue.js).&#9679; Strong experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB), including schema design and query optimization.&#9679; In-depth knowledge of RESTful API design, microservices architecture, and cloud platforms (AWS, Google Cloud).&#9679; Demonstrated experience optimizing web applications for performance, scalability, and reliability.&#9679; Strong understanding of browser rendering, performance tuning, and security best practices.&#9679; Proficiency with version control systems (Git) and CI/CD pipelines.&#9679; Experience with automated testing frameworks and tools, and a commitment to test-driven development.&#9679; Excellent debugging, troubleshooting, and analytical skills. &#9679; Experience mentoring engineers and leading technical initiatives is highly desirable.Competencies:&#9679; Time Management: Skilled at managing multiple priorities and delivering results in a fast-paced environment.&#9679; Communication: Exceptional ability to communicate complex technical concepts to both technical and non-technical stakeholders.&#9679; Problem Solving: Expert at diagnosing and resolving complex issues across the stack, with a focus on performance and scalability.&#9679; Collaboration: Proven track record of working effectively with cross-functional teams to achieve business goals.&#9679; Adaptability: Comfortable navigating ambiguity and adapting to evolving requirements and technologies.&#9679; Attention to Detail: Commitment to delivering high-quality, maintainable, and user-centric solutions.&#9679; Continuous Learning: Proactive in staying up-to-date with new technologies and industry best practices.Working Hours &amp; Schedule:<ul><li>Monday to Thursday: 11:00 AM &ndash; 8:00 PM (On-site)</li><li>Friday &amp; Saturday: Off</li><li>Sunday: Work from Home</li></ul>Job Type: Full-timePay: Rs150,000.00 - Rs250,000.00 per monthWork Location: In person

Sr. FullStack Developer ( python/Django)

Cubix Pvt Ltd

Are you ready to move beyond coding to define the future of a product?Cubix is seeking an exceptionally talented and driven Principal Software Engineer to lead our critical projects. While this role typically demands greater tenure, we are specifically looking for high-impact individuals with 3&ndash;4 years of demonstrated, rapid growth who possess the technical depth and leadership maturity of a seasoned architect. If you've been recognized as a top-tier performer ready for an outsized challenge, this is your opportunity to step into a Principal role and make an immediate, profound impactWhat You'll Bring (The Requirements):<ul><li>Accelerated Experience: 3&ndash;4 years of professional experience in software development, demonstrating rapid career progression and outsized technical contributions in past roles.</li><li>Deep Backend Proficiency: Expert-level command of at least one major backend language (e.g., Python, Go, Java, Node.js) and modern frameworks.</li><li>Distributed Systems Expertise: Proven experience designing and operating high-volume, low-latency distributed systems using microservices or service-oriented architectures (SOA).</li><li>Database Mastery: Deep knowledge of relational (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, Cassandra), including complex query optimization, indexing, and data modeling for scale.</li><li>Cloud Fluency: Extensive experience with major cloud providers (e.g., AWS, Azure, or GCP) and familiarity with containerization (Docker, Kubernetes).</li><li>Communication: Exceptional ability to articulate complex technical concepts to both technical and non-technical audiences, and influence decisions across teams.</li><li>Bonus Points: Experience with event streaming platforms (Kafka, RabbitMQ), caching technologies (Redis, Memcached), or significant contributions to open-source projects.</li></ul>Ready to lead the charge? Apply below!Job Type: Full-timeWork Location: In person

Principal Software Engineer

Explore 277+ Backend engineer in Karachi this November. Find roles across top companies and apply now to boost your career.