full stack developer

backend developer

devops engineer

software engineer

qa automation engineer

backend engineer

Digitrends

Senior Backend Engineer (Ruby on Rails 7.1) (7+ yrs)Responsibilities&middot; Design and develop backend services and GraphQL APIs using Ruby on Rails 7.1.&middot; Build and maintain scalable database schemas with PostgreSQL.&middot; Implement multi-tenancy, role-based access control, and background job processing.&middot; Ensure backend performance, security, and reliability.&middot; Collaborate with frontend and product teams to integrate APIs.&middot; Conduct code reviews, mentor engineers, and enforce backend best practices.Requirements&middot; 7+ years of experience.&middot; Strong expertise in Ruby on Rails and PostgreSQL.&middot; Experience with GraphQL APIs, multi-tenancy, and authentication systems.&middot; Knowledge of caching, job queues, and state machines.&middot; Familiarity with Docker-based deployments.&middot; Strong debugging, optimization, and communication skills.Tech Stack&middot; Ruby on Rails 7.1, GraphQL-Ruby, PostgreSQL, Apartment, Devise, Cancancan, Rolify&middot; Solid Queue, Solid Cache, Mission Control Jobs, Ransack, State Machines&middot; Apollo, Google Cloud Storage, Roo, Down, Lograge, Brakeman&middot; Deployment: Kamal (Docker)Please note this position is for Saudia ArabiaJob Type: Full-timePay: Rs300,000.00 - Rs900,000.00 per monthWork Location: In person

Senior Backend Engineer

Inqline

Job Title: Backend Engineer (Python, LLM &amp; AI Agents, Big Data)Location: Karachi, Pakistan Job Type: Full-TimeAbout the Role:We are looking for a Backend Engineer with 2-3 years of experience in Python development, specializing in LLMs (Large Language Models), AI Agents, and Big Data handling. The ideal candidate should have hands-on experience working with LangGraph and AI-driven workflows. You will play a crucial role in designing and optimizing scalable backend systems that integrate AI models for automation and intelligent decision-making.Key Responsibilities:<ul><li>Develop and maintain backend services using Python with a focus on AI Agents, LLM-based applications, and LangGraph.</li><li>Build and optimize AI-driven workflows using LangGraph for reasoning and decision-making automation.</li><li>Design and implement scalable APIs and microservices for AI applications.</li><li>Work with Big Data processing frameworks to efficiently manage and process large datasets.</li><li>Develop data pipelines and integrate AI models into production environments.</li><li>Ensure system scalability, reliability, and performance in AI-powered applications.</li><li>Deploy AI-driven solutions on cloud platforms (AWS, GCP, or Azure).</li><li>Collaborate with ML engineers, data scientists, and frontend developers to build intelligent automation tools.</li><li>Write clean, maintainable, and well-documented code following best practices.</li></ul>Requirements:<ul><li>2-3 years of experience in backend development using Python (Django, FastAPI, Flask, etc.).</li><li>Strong experience with Large Language Models (LLMs) and AI-powered applications.</li><li>Hands-on experience with LangGraph for AI workflow orchestration.</li><li>Experience working with AI Agents (LangChain, OpenAI APIs, AutoGPT, etc.).</li><li>Knowledge of Big Data handling &ndash; experience with Apache Spark, Dask, Kafka, or similar is a plus.</li><li>Expertise in building APIs (RESTful, GraphQL) and microservices architecture.</li><li>Familiarity with databases (SQL and NoSQL &ndash; PostgreSQL, MongoDB, etc.).</li><li>Experience with cloud computing (AWS, GCP, Azure) for AI deployments.</li><li>Understanding of containerization (Docker, Kubernetes) and CI/CD pipelines.</li><li>Strong problem-solving skills and ability to work in a fast-paced environment.</li></ul>Nice to Have:<ul><li>Experience with vector databases (e.g., Pinecone, Milvus, FAISS, Weaviate).</li><li>Exposure to NLP techniques and fine-tuning LLMs.</li><li>Experience with event-driven architectures and real-time data processing.</li></ul>Job Type: Full-timeEducation:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Backend development Python (Django, FastAPI, Flask, etc.): 2 years (Required)</li></ul>Language:<ul><li>English (Required)</li></ul>Work Location: In person

Backend Engineer (Python, LLM & AI Agents, Big Data)

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-timeWork Location: In personJob Type: Full-timePay: Rs150,000.00 - Rs250,000.00 per monthWork Location: In person

Sr. Fullstack Developer (Python/Django)

Position Information: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: Rs130,000.00 - Rs200,000.00 per monthWork Location: In person

Senior Full stack developer

Securiti

<div>
 Securiti has been widely recognized as an industry innovator, being named &ldquo;Most Innovative Start-up&rdquo; at RSA Conference 2020, Leader in the IDC Marketplace, Leader in the Forrester Wave Privacy Management Software, and winner of the 2020 HPE-IAPP Innovation Award. The company is being built by proven serial entrepreneurs and executives who have successfully built and scaled high-growth global companies before. We are now expanding our development team and have multiple backend development roles open. If you aspire to work on cutting-edge technologies and frameworks, side by side with some of the smartest technologists, this may be a unique place for you. You will be working as a part of a distributed agile team, building a new SaaS platform that underpins a suite of enterprise applications solving a variety of hard data analytics and enterprise problems.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Be a part of a globally distributed team of backend engineers to design/develop/architect Securiti&rsquo;s core backend platform
 </li>
 <li>
 Help create architecture documents, functional specifications, design documents, and developer test plans
 </li>
 <li>
 Coordinate end-to-end development, deployment, and testing of new features and enhancements in the product
 </li>
 <li>
 Write reliable, secure, performant, and scalable code
 </li>
 <li>
 Perform code reviews and analysis
 </li>
 <li>
 Monitor platform performance and be on-call to address any urgent issues
 </li>
 <li>
 Work with customer support and address customer issues
 </li>
 <li>
 Integrate new technologies into back-end cloud infrastructure
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Minimum 2 years experience developing software, with some experience using container technologies like Docker
 </li>
 <li>
 Strong conceptual understanding of multi-threaded applications
 </li>
 <li>
 Professional development experience in GoLang, Java, C++, or Python
 </li>
 <li>
 Good knowledge of Linux and bash scripting
 </li>
 <li>
 Good software development practices: should thrive in an environment of rapid development, peer code reviews, and write good functional/unit tests
 </li>
 <li>
 Experience with microservices and REST-based HTTP/2 architectures
 </li>
 <li>
 Experience with SQL (Postgres) and NoSQL (Mongo/Elasticsearch) technologies
 </li>
 <li>
 Knowledge and use of performance tuning, profiling, and software metrics tools
 </li>
 <li>
 Very strong diagnostic and troubleshooting skills
 </li>
 <li>
 Understanding of continuous integration tools, including Jenkins
 </li>
 <li>
 Experience with agile development methodologies is a must
 </li>
 <li>
 Outstanding verbal, written, and interpersonal communication skills
 </li>
 <li>
 High level of energy, teamwork, can-do attitude, and willingness to learn new technologies
 </li>
 <li>
 Working knowledge of networks and web concepts
 
 
 </li>
 </ul>
 
 Bonus points
 
 
 
 <ul>
 <li>
 Experience in building highly available and scalable distributed systems for the cloud is required for senior roles
 </li>
 <li>
 Proven ability to utilize creative thinking to solve complex engineering problems
 </li>
 <li>
 Experience with cloud platforms such as AWS, GCP, and Azure
 </li>
 <li>
 Experience with Containerisation technologies (Kubernetes, Docker)
 </li>
 <li>
 Experience with tools like terraform, helm, docker
 </li>
 <li>
 Understanding of Network Services such as Load-Balancers, Security, QoS
 </li>
 <li>
 Understanding of platform level concerns, such as configuration management, network request routing, blue/green or canary deployments, in-service software upgrade
 </li>
 <li>
 Experience in building API based connectors to cloud-based SaaS services is a big plus
 
 
 </li>
 </ul>
 
 About Us
 
 
 
 Securiti solves challenges across governance, privacy, and security. With a foundation in data understanding and a team that was responsible for developing and deploying the market-leading CASB &amp; DLP technology, we were able to create a platform from the ground up that leverages automation and workflows to solve complex privacy, data, and security business challenges with a simplified interface promoting collaboration across the business. Ease of use, quick to deploy and customizable are all reasons why companies select Securiti versus stitching multiple vendors together to address their challenges.
 
 
 The exponential growth of data brings massive new opportunities but also brings increasingly perilous security, compliance, and privacy risks. At Securiti, our mission is to enable organizations to safely harness the incredible power of data and the cloud by controlling the complex security, compliance, and privacy risks. Securiti&rsquo;s solution uniquely combines AI-powered data intelligence with full workflow automation, simplifying compliance with GDPR, CCPA, LGPD, and other regulations. Granular insights into structured and unstructured data enable organizations to monitor risk, control access, and protect sensitive data at scale.
</div>

Backend / Infra Software Developer

Creative Chaos

<div><h3 class="jobSectionHeader">Job Summary</h3>
A Senior Software Engineer for Node is an associate at Creative Chaos who is mainly responsible for developing server applications of various software platforms including but not limited to writing Restful APIs to be consumed by client applications. A senior software engineer makes sure that the functionality, security and performance of the server application is as per the design and is completely bug free. Senior engineers have a responsibility to mentor their juniors and build team strength through training.<h3 class="jobSectionHeader"> 
Duties &amp; Responsibilities</h3><ul>
<li>Analyze business requirements</li>
<li>Estimate assigned tasks</li>
<li>Write code and unit tests</li>
<li>Collaborate with other team members</li>
<li>Tune your code for enhanced security and performance</li>
<li>Maintain systems by fixing any existing issues</li>
<li>Update issue tracking software</li>
<li>Provide status updates</li>
<li>Communicate with client</li>
<li>Control versions of your code</li>
<li>Research new technologies</li>
<li>Lead a team of software engineers</li>
<li>Mentor team members through training and guidance</li>
<li>Upgrade skills and knowledge</li>
<li>Evaluate candidates for open positions</li>
</ul>Requirements<ul>
<li>Minimum Bachelors in Computer Science/Software Engineering or equivalent.</li>
<li>Minimum 3-5 years of related experience in professional industry</li>
<li>Strong communication skills</li>
<li>Strong proficiency in Javascript technologies</li>
<li>Knowledge of NodeJS and its available frameworks such as ExpressJS and NestJS</li>
<li>Knowledge and experience in writing backend components and Restful APIs</li>
<li>Understanding of security standards and compliances</li>
<li>Experience with different relational and schemaless databases such as MySQL, PostgreSQL and MongoDB</li>
<li>Creating database structure for the required functionality</li>
<li>Experience with writing unit tests and ensuring the minimum 90% test coverage</li>
<li>Knowledge of and experience with Github, JIRA and other collaboration tools</li>
<li>Understanding of fundamental concepts and design principles</li>
<li>Basic understanding of front-end technologies</li>
<li>Flexible attitude and versatile personality</li>
<li>Strong presentation skills</li>
<li>Strong influence among team members</li>
</ul>Benefits<ul>
<li>Paid Time Off</li>
<li>Work From Home</li>
<li>Health Insurance</li>
<li>OPD</li>
<li>Training and Development</li></ul></div>

Senior Software Engineer - Node

Senior Fullstack Engineer (Next.js 15, React 19, TypeScript + Ruby on Rails 7.1) (7+ yrs)Responsibilities&middot; Design, develop, and maintain scalable fullstack web applications.&middot; Build robust GraphQL APIs using Ruby on Rails 7.1.&middot; Implement modern, responsive UIs with Next.js 15, React 19, and TypeScript.&middot; Collaborate with product managers, designers, and engineers to deliver features end-to-end.&middot; Ensure application security, performance, and maintainability.&middot; Lead code reviews, mentor junior engineers, and enforce best practices.&middot; Deploy, monitor, and maintain services using Docker and Kamal.Requirements&middot; 7+ years of experience.&middot; Strong expertise in Ruby on Rails, React, and TypeScript.&middot; Experience with multi-tenant SaaS applications.&middot; Knowledge of authentication/authorization frameworks and state management.&middot; Familiarity with CI/CD pipelines and Docker-based deployments.&middot; Strong problem-solving, debugging, and communication skills.Tech Stack&middot; Backend: Ruby on Rails 7.1, GraphQL-Ruby, PostgreSQL, Apartment, Devise, Cancancan, Rolify, Solid Queue, Solid Cache, Mission Control Jobs, Ransack&middot; Frontend: Next.js 15, React 19, TypeScript, Zustand, Radix UI, Tailwind CSS, React Hook Form, Zod, Tiptap, DnD Kit, TanStack React Table, Next-Intl, Next-Auth, Recharts&middot; Tools: Apollo Client, Google Cloud Storage, Roo, Down, Lograge, Brakeman&middot; Deployment: Kamal (Docker-based)Job Types: Full-time, ContractPay: Rs400,000.00 - Rs900,000.00 per monthWork Location: In person

Senior Full Stack Engineer

Explore 268+ Backend engineer in Karachi this October. Find roles across top companies and apply now to boost your career.