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software engineer

backend engineer

Stellic

<div>
 
 About Stellic
 
 
 
 We&rsquo;re building a future where every student can move through their education with clarity, confidence, and purpose. Our platform transforms the student experience, giving them then tools they need to make the right decisions about their degree plans, track their journey, and build an education and career path that&rsquo;s truly their own.
 
 
 Stellic is a fast-growing startup backed by leading social impact investors, partnering with top institutions like Cornell, Columbia, UVA, and Ohio State to support over 1 million students across 7 countries. As we scale to serve more universities worldwide, we remain deeply committed to this mission, driven by our values, and committed to building a high-performance team that&rsquo;s here to make a lasting difference on both students&rsquo; lives and higher education.
 
 
 
 Stellic Engineers
 
 
 
 Stellic engineers combine a rare blend of curiosity, creativity, and business acumen with the ability to deliver pragmatic solutions at high velocity with uncompromising quality. Our mission is to help students, and our engineers always have that in mind as they are building.
 
 
 
 The Role
 
 
 
 Stellic is at a significant crossroads. Having proved incredibly strong product-market fit, and having maintained enviable customer NPS ratings, it&rsquo;s time to prepare for the next stages of our evolution. Pieces of our architecture have reached their expiration date, yet we continue to have ambitious roadmaps that will allow us to continue to improve the lives of students all over the world. We need someone who can lead us into the future by driving upgrades to our backend architecture while at the same time up-leveling our current engineering team&rsquo;s ability to delight our users with new product capabilities.
 
 
 
 What You'll Do
 
 
 
 <ul>
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 Work closely with the founders and product managers to understand the Why behind each capability in the platform
 </li>
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 Help to drive alignment on the prioritization of engineering-driven priorities along side product priorities
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 Design and lead the implementation of scalable backend architectures for mission-critical enterprise applications
 </li>
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 Build and maintain clean, ergonomic APIs to handle complex business logic and data flows
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 Develop and optimize database schemas and queries to process terabytes of data efficiently
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 Identify and introduce abstractions to increase the performance and reliability of our systems
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 Up-level our general engineering rigor and maturity by mentoring other engineers in best practices, design patterns, and code quality
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 Ensure a high-degree of quality by designing robust testing strategies and implementing suites of reliable tests
 
 
 </li>
 </ul>
 
 Who You Are
 
 
 
 <ul>
 <li>
 5+ years of experience as a backend engineer operating at scale
 </li>
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 Strong ownership mindset and the ability to autonomously lead and drive complex implementations
 </li>
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 Deep curiosity, customer empathy, and commitment to engineering as a craft
 </li>
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 Ability to plan, estimate, and manage the technical aspects of project execution and delivery
 </li>
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 Excellent problem-solving skills and ability to mentor junior developers
 </li>
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 Impeccable communication skills for collaborating with product, design, and customer-facing teams
 </li>
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 Deep experience with backend engineering using high-level programming languages and frameworks (Python/Django a plus)
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 Deep experience with ORMs, RESTful APIs, background jobs, real-time streaming, etc; (DRF, Celery, Channels a plus)
 </li>
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 Experience with both single- and multi-tenant architectures
 </li>
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 Advanced skills in cloud deployment and hyperscalers (AWS a plus)
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 Strong proficiency in designing and optimizing SQL databases and complex SQL queries (PostgreSQL a plus)
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 Experience implementing search engine capabilities (ElasticSearch a plus)
 </li>
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 Experience with asynchronous / event-based programming, message / event queues, etc.
 </li>
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 Strong background in API design, documentation, and versioning strategies
 </li>
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 Solid understanding of software testing, CI/CD practices, observability, etc. (AWS CodeDeploy, Sentry, Grafana, Prometheus a plus)
 </li>
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 Proficiency in building and managing data orchestration pipelines for ETL and other large-scale data processing problems using high-level languages like Python and frameworks like Dagster, Airflow, etc.
 
 
 </li>
 </ul>
 Our Tech Stack
 
 
 While we plan on introducing new technologies and capabilities, and potentially migrating away from current ones, here is the general shape of our current stack:
 
 
 <ul>
 <li>
 Languages: Python, SQL, Shell
 </li>
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 Frameworks: Django, Angular, React, Remix,
 </li>
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 Databases: PostgreSQL
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 Version control: Git (GitHub)
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 Cloud: AWS
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 Deployment: AWS CodeDeploy
 
 
 </li>
 </ul>
 
 Why Join Stellic?
 
 
 
 <ul>
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 Shape the future of an impact-driven company transforming higher education.
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 Work closely with mission-driven leaders who are ambitious and committed to solving meaningful problems.
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 Own and scale the recruiting engine of a high-growth startup.
 </li>
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 Learn from the best: collaborate with leading voices in higher education and SaaS.
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 Competitive USD salary
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 Generous stock options in a Series B stage startup
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 Culture of excellence and ownership. We move fast, take responsibility, and aim high.
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 Flexible, outcome-based environment with trust at the core.
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 Comprehensive health insurance. Stellic covers 100% of premiums for you and your dependents, plus 50% for parents.
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 Commute benefits to make daily life easier.
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 Annual international retreats in some of the world&rsquo;s most beautiful cities and towns.
 
 
 </li>
 </ul>
 
 Stellic is an Equal Opportunity Employer
 
 
 
 
 Our company values diversity and believes diverse teams make innovation possible. We encourage all qualified applicants from any race, color, religion, sex, gender identity, sexual orientation, national origin, disability status, protected veteran status, or other characteristics to apply.
 
 
 
</div>

Tech Lead

Arwen Tech

<div>
 Posted on Sep 15, 2025
 
 
 Title
 
 
 Backend Developer
 
 
 Apply before
 
 
 Oct 10, 2025
 
 
 City
 
 
 Karachi
 
 
 
 Responsibilities
 
 
 
 
 Summary of Job Profile:
 
 
 
 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 cloud deployments.
 
 
 
 Essential Duties &amp; Responsibilities
 
 
 
 <ul>
 <li>
 Maintain and enhance backend API endpoints for seamless functionality.
 </li>
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 Manage core business logic including orders, users, payments, and notification systems.
 </li>
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 Write clean, scalable, and maintainable code along with efficient database schemas.
 </li>
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 Integrate third-party services such as SMS gateways, push notifications, and CRMs.
 </li>
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 Monitor backend performance and optimize API response times.
 </li>
 <li>
 Handle queue jobs and background processing efficiently.
 </li>
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 Deploy and manage applications on cloud platforms like AWS or DigitalOcean.
 </li>
 <li>
 Collaborate with frontend and mobile teams to ensure smooth API integration.
 </li>
 <li>
 Participate in code reviews and maintain CI/CD pipelines using Git and Laravel Horizon.
 
 
 </li>
 </ul>
 
 Knowledge, Skills, Abilities (KSA&rsquo;s) required to successfully perform the job:
 
 
 
 <ul>
 <li>
 Strong expertise in Laravel framework and MySQL database management.
 </li>
 <li>
 Proficient in RESTful API development and queue/job handling.
 </li>
 <li>
 Experience with cloud deployment and management (AWS, DigitalOcean).
 </li>
 <li>
 Familiarity with Git version control, CI/CD pipelines, and Laravel Horizon.
 </li>
 <li>
 Ability to write clean, reusable, and well-documented code.
 </li>
 <li>
 Strong problem-solving skills and attention to detail.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 
 Education, Experience, Licensure, Certification required for the position:
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field preferred.
 </li>
 <li>
 3-5 years of experience in the field
 </li>
 <li>
 Laravel and PHP certifications are a plus.
 </li>
 <li>
 AWS or cloud platform certifications are advantageous.
 
 
 </li>
 </ul>
 
 Competencies Required To Successfully Perform The Job
 
 
 
 
 Technical Competencies
 
 
 
 
 Behavioral/General Competencies
 
 
 
 <ul>
 <li>
 Laravel PHP Framework
 </li>
 <li>
 MySQL and database schema design
 </li>
 <li>
 REST API development and optimization
 </li>
 <li>
 Queue handling and background job processing
 </li>
 <li>
 Cloud platforms (AWS, DigitalOcean)
 </li>
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 Version control (Git), CI/CD pipelines
 </li>
 <li>
 Third-party API integrations (SMS, push notifications, CRMs)
 </li>
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 Strong communication and teamwork skills.
 </li>
 <li>
 Proactive in identifying and resolving backend issues.
 </li>
 <li>
 Adaptable to evolving technologies and requirements.
 </li>
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 Detail-oriented with a focus on performance and scalability.
 </li>
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 Ability to manage multiple tasks and meet deadlines efficiently.
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
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 Excellent Salary
 </li>
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 Fuel Allowance
 </li>
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 Medical Insurance
 </li>
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 Annual Leaves
 </li>
 <li>
 Provident Fund
 </li>
 <li>
 EOBI
 </li>
 <li>
 Annual Bonus
 </li>
 </ul>
</div>

Backend Developer

Progziel Technologies

Job Title: Backend Developer (Node.js) &ndash; Night ShiftCompany Overview We are a leading technology company dedicated to building innovative and scalable digital solutions. To strengthen our engineering team, we are looking for a talented Backend Developer (Node.js) to work on complex web applications and high-performance server-side systems.Position Overview As a Backend Developer, you will design, develop, and maintain robust backend systems using Node.js. You will play a key role in building scalable, secure, and efficient server-side applications that power our digital products and business operations.Key Responsibilities<ul><li>Develop, implement, and optimize backend systems using Node.js</li><li>Design and maintain RESTful APIs and microservices</li><li>Manage and integrate databases (MongoDB, PostgreSQL) for efficient data handling</li><li>Debug, test, and resolve performance bottlenecks</li><li>Collaborate with front-end developers, QA engineers, and other team members</li><li>Ensure high standards of security, scalability, and performance</li></ul>Requirements<ul><li>3&ndash;4 years of professional Node.js development experience</li><li>Strong command of JavaScript and the Node.js ecosystem</li><li>Hands-on experience with RESTful APIs and microservices</li><li>Proficiency with databases (MongoDB, PostgreSQL)</li><li>Knowledge of server-side architecture and distributed systems</li><li>Familiarity with version control systems (Git)</li><li>Strong problem-solving, debugging, and analytical skills</li><li>Ability to work independently and within a collaborative team</li><li>Bachelor&rsquo;s degree in Computer Science or related field (preferred)</li></ul>Work Details<ul><li>Shift: Night (9 PM &ndash; 6 AM, Monday to Saturday)</li><li>Location: On-site (PECHS Karachi)</li><li>Experience building scalable backend systems</li><li>Proven track record of optimizing server performance</li><li>Demonstrable portfolio of Node.js projects</li><li>Contributions to open-source projects (a plus)</li></ul>Why Join Us? This is a challenging and rewarding role where you&rsquo;ll have the opportunity to work on advanced backend technologies, contribute to impactful projects, and grow your expertise in a supportive, innovative environment.Job Type: Full-timePay: Up to Rs120,000.00 per monthWork Location: In person

Backend Developer (Night Shift)

Launch Box

Job description:Senior Backend Developer &ndash; Join Our Growing Team!Location: Emarah Suites, Main Shahra-e-Faisal, Karachi Timings: 12:00 PM &ndash; 9:00 PM Employment Type: Full-time | On-siteAbout Us: We are a dynamic and fast-growing tech company dedicated to delivering high-quality, scalable, and innovative solutions for our global clients. We value creativity, problem-solving, and a passion for technology.Position Overview: We&rsquo;re looking for a Senior Backend Developer with strong expertise in Node.js and proficiency in multiple backend technologies. You will architect, develop, and maintain scalable APIs, databases, and backend systems, ensuring optimal performance and security.Key Responsibilities: Design, develop, and maintain robust backend systems and APIs, primarily using Node.js. Work with multiple backend languages and frameworks such as Python, PHP, Java, Go, or .NET when required. Collaborate with frontend developers, mobile engineers, and DevOps teams to deliver end-to-end solutions. Optimize applications for maximum speed, scalability, and security. Manage and maintain databases (SQL &amp; NoSQL) including PostgreSQL, MySQL, MongoDB. Implement best practices for code quality, testing, and deployment. Troubleshoot and debug applications, ensuring smooth performance. Mentor junior developers and lead code reviews.Requirements: 3+ years of backend development experience. Strong expertise in Node.js (Express.js, NestJS, or similar frameworks). Experience with RESTful APIs, GraphQL, and microservices architecture. Familiarity with cloud platforms (AWS, Azure, or GCP). Strong understanding of SQL &amp; NoSQL databases. Proficiency in other backend languages such as Python, PHP, Java, Go, or .NET. Knowledge of authentication, authorization, and security best practices (OAuth, JWT, etc.). Experience with Git and CI/CD pipelines. Strong problem-solving skills and attention to detail.Nice to Have: Experience with Docker, Kubernetes, and container orchestration. Knowledge of serverless architectures. Exposure to real-time systems (WebSockets, Socket.io).Job Type: Full-timeWork Location: In personJob Type: Full-timeWork Location: In person

Senior Node.js Developer

Digital Cuberoot

We are looking for a skilled Backend Developer with expertise in PHP, Node.js, and databases (SQL &amp; NoSQL), who also has exposure to AI/ML integration.You will build and maintain scalable backend services, integrate AI-driven solutions, and ensure secure, high-performance systems running on AWS and Azure. KeyResponsibilities&#61623; Develop, test, and maintain backend services and APIs using PHP and Node.js.&#61623; Design and optimize SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.&#61623; Integrate AI/ML models and APIs (TensorFlow, PyTorch, OpenAI, Hugging Face, etc.) into applications.&#61623; Work with cloud platforms (AWS &amp; Azure) for deployment, scaling, and monitoring.&#61623; Manage server configurations, performance tuning, and troubleshooting.&#61623; Collaborate with AI engineers, data scientists, and frontend teams to deliver intelligent solutions.&#61623; Implement CI/CD pipelines and version control using Git.&#61623; Ensure backend services follow security best practices and compliance standards. Requirements&#61623; Proven experience in backend development using PHP (Laravel, Symfony, or similar) and Node.js (Express, NestJS).&#61623; Strong knowledge of SQL databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis, Cassandra).&#61623; Hands-on experience with AI/ML model integration, AI APIs, or data pipelines.&#61623; Familiarity with cloud services: AWS (EC2, S3, Lambda, RDS) and Azure (App Services, Cosmos DB, Functions).&#61623; Solid understanding of server management (Linux, Nginx/Apache, scaling).&#61623; Experience with Git and collaborative workflows (GitHub/GitLab/Bitbucket).&#61623; Knowledge of RESTful APIs, GraphQL (nice to have), and microservices.&#61623; Strong debugging, problem-solving, and analytical skills. Good to Have&#61623; Exposure to MLOps tools (Docker, Kubernetes, MLflow, Kubeflow).&#61623; Familiarity with AI-powered search/recommendation systems.&#61623; Experience in data pipelines, streaming, or event-driven architecturesUnderstanding of serverless AI deployments.Job Type: Full-time

Back End Devloper

Jumppace PVT LTD

We JUMPPACE is a full service growth optimization and Software Development Agency in Dallas, Taxes and Karachi-Pakistan are seeking highly motivated and experienced Backend Developer to join our company. This is a unique opportunity to play a pivotal role in a dynamic, fast-growing international business.No. of position required: 02Node JS DeveloperMid - Senior Level (02 - 04 years of experience) ------------------------Responsibilities:<ul><li>Develop, maintain, and optimize backend services using Node.js and related frameworks (Express.js, Nest.js, etc.).</li><li>Implement real-time data streaming and integration using WebSockets, Socket.io, or similar technologies.</li><li>Design and develop RESTful APIs for seamless front-end communication.</li><li>Work with databases such as MongoDB, PostgreSQL, or Redis to ensure efficient data storage and retrieval.</li><li>Optimize application performance and scalability to handle high loads in real-time environments.</li><li>Implement authentication and authorization mechanisms, including OAuth, JWT, and role-based access control (RBAC).</li><li>Experience of payment merchant integration (PayPal, Stripe, Authorize.net)</li></ul>Requirements:<ul><li>Bachelor's degree in Computer Science, Software Engineering, or a related field.</li><li>2+ years of experience in backend development with Node.js.</li><li>Strong understanding of asynchronous programming, event loops, and concurrency in JavaScript.</li><li>Experience with real-time communication technologies such as WebSockets, Socket.io, or MQTT.</li><li>Proficiency in working with relational and NoSQL databases (PostgreSQL, MongoDB, Redis, etc.).</li><li>Familiarity with version control systems like Git and CI/CD pipelines</li></ul>Note: Only shortlisted candidates will be contactedJob Type: Full-timePay: Rs1.00 - Rs2.00 per monthWork Location: In person

appearls

Appearls is looking for a talented Sr. Backend Developer with 2+ years of experience to join our growing team. If you&rsquo;re passionate about coding, problem-solving, and building scalable solutions, we&rsquo;d love to hear from you!About the Role: As a Backend Developer, you will be responsible for designing, developing, and maintaining backend systems, APIs, and dashboards. You&rsquo;ll work closely with our front-end developers and design teams to deliver high-performing solutions for international projects.Key Responsibilities: Develop and maintain backend applications, APIs, and dashboards.Write clean, secure, and efficient code using PHP, HTML, and JavaScript. Optimize websites and applications for speed and performance. Work with databases (MySQL, etc.) and manage server-side logic. Collaborate with front-end developers for seamless integration. Troubleshoot, debug, and upgrade existing systems.Requirements:2+ years of proven experience as a Backend Developer. Strong knowledge of PHP, HTML, JavaScript (Node.js/Vanilla), CSS. Hands-on experience with speed optimization techniques. Familiarity with frameworks such as Laravel, CodeIgniter, or similar (plus point).Good understanding of REST APIs and database designability to work independently and manage multiple tasks.Location: Main Shahrah-e-Faisal, KarachiJob Type: Full-timeWork Location: In person

Sr. Backend Developer

Explore 242+ Backend engineer in Karachi this September. Find roles across top companies and apply now to boost your career.

242 backend engineer jobs IN Karachi

Tech Lead

Backend Developer

Backend Developer (Night Shift)

Senior Node.js Developer

Back End Devloper

Backend Developer

Sr. Backend Developer