senior full stack developer Jobs in Karachi

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senior software engineer i - backend Jobs in Karachi

senior software engineer i - backend

senior software engineer i - fullstack Jobs in Karachi

senior software engineer i - fullstack

senior stack engineer

Bhayani Securities Pvt. Ltd.

About BSLBhayani Securities (BSL) is one of the most established brokerage houses on the Pakistan Stock Exchange. We&rsquo;re currently rebuilding our technology stack as a tech-first brokerage, with in-house engineering, modern platforms, and heavy use of AI tooling in our workflow.Role SummaryWe are hiring a Senior Full-Stack Engineer. This is a senior, individual-contributor role with architectural responsibility: you will define the technical direction, make key trade-offs, and deliver robust, production-grade systems.Key ResponsibilitiesEnd-to-end application development<ul><li>Design and build multi-surface applications (web, mobile, desktop) for client and internal use.</li><li>Implement and maintain back-end services in Node.js with PostgreSQL as the primary database.</li><li>Build modern front-end interfaces with React, based on Figma designs from the UI team.</li><li>Translate product requirements into clear technical tasks and ship features in small, reliable increments.</li></ul>Systems architecture &amp; integration<ul><li>Design application architecture suitable for real-time, data-heavy financial workflows and multi-user environments.</li><li>Define and maintain clean API contracts between applications and the OMS / market-data systems, working with the existing FIX/OMS development team.</li><li>Ensure the system design supports future extensions (new modules, analytics features, additional channels) without rewrites.</li></ul>On-prem infrastructure &amp; DevOps<ul><li>Deploy, run, and monitor applications on local, in-office servers (Linux-based).</li><li>Set up and maintain CI/CD pipelines, automated testing, and repeatable deployments.</li><li>Configure and manage PostgreSQL in production: schema design, indexing, migrations, backups, and recovery drills.</li><li>Implement logging, metrics, and alerting so issues can be detected and diagnosed quickly.</li><li>Handle releases, environment configuration, and versioning across web, mobile, and desktop builds.</li></ul>UI implementation &amp; collaboration<ul><li>Work closely with the design team: consume Figma files, give practical feedback, and implement pixel-accurate, responsive UIs.</li><li>Ensure good UX under realistic constraints: latency, bandwidth, hardware limitations, and real user behaviour in a brokerage context.</li></ul>AI-enabled engineering &amp; internal tools<ul><li>Use AI coding tools (e.g. ChatGPT, Cursor, GitHub Copilot) as a core part of your workflow to speed up development without compromising quality.</li><li>Design and build customer-facing features and tools powered by LLM APIs (e.g. OpenAI) inside our web, mobile, and desktop products.</li></ul>Lifecycle ownership<ul><li>Own your code in production: debugging, performance tuning, and iterative improvement.</li><li>Plan and execute refactors when necessary to keep the codebase maintainable.</li><li>Maintain technical documentation that&rsquo;s concise and actually useful.</li></ul>Required Skills &amp; ExperienceCore engineering<ul><li>6+ years of professional experience as a full-stack engineer building production systems end-to-end.</li><li>Strong command of Node.js for backend development.</li><li>Strong command of React for front-end development (hooks, state management, routing, forms).</li><li>Solid experience with PostgreSQL: schema design, query optimisation, indexing, migrations.</li><li>Experience building data-intensive, multi-user applications with a focus on correctness and reliability.</li></ul>Platforms &amp; deployment<ul><li>Experience delivering web applications in production using React + Node.js back-ends.</li><li>Experience building and shipping mobile applications (preferably with React Native, including App Store / Play Store releases).</li><li>Experience packaging applications for Windows desktop users.</li><li>Comfortable working with Linux servers, networking basics, reverse proxies, and SSL/TLS.</li><li>Hands-on experience setting up CI/CD pipelines and automated testing for both front-end and back-end code.</li><li>Experience implementing secure authentication, authorization, and basic application security best-practices.</li></ul>AI &amp; automation<ul><li>Daily, practical use of AI coding tools (ChatGPT, Cursor, Copilot, etc.) as part of your engineering process.</li></ul>Way of working<ul><li>Able to work independently with high ownership: take a high-level requirement from the founder and drive it to production without micro-management.</li><li>Comfortable operating in a founder-led environment where priorities can shift and we iterate quickly.</li><li>Clear, concise communication in writing and in person; able to keep non-engineering stakeholders updated without over-explaining.</li></ul>Nice to Have(Not required, but a strong plus.)<ul><li>Experience in brokerage, trading, market data, or fintech systems.</li><li>Experience with on-premises deployments in regulated or security-sensitive environments.</li><li>Experience optimising systems for low latency and high-throughput event streams.</li></ul>Job Type: Full-timePay: From Rs300,000.00 per monthWork Location: In person

Senior Full-Stack Engineer / Architect

Pivotize Consulting

Technology Stack:Angular 12+, .NET Core 8, SQL Server 2019 Enterprise Edition, Redis, SQL Lite, ODataRole Summary:We are seeking a highly experienced Full-Stack Engineer responsible for end-to-end performance, security, and release optimization across frontend, backend, and infrastructure layers. This role will focus on improving system speed, scalability, and resilience while ensuring compliance with modern white-box, grey-box, and black-box testing standards.Key Responsibilities:&middot; Profile and optimize Angular 12+ components, applying lazy loading, OnPush strategy, and efficient data handling.&middot; Analyze and refactor .NET Core 8 APIs for performance, scalability, and security.&middot; Optimize SQL Server queries, stored procedures, indexes, and implement advanced features like partitioning, materialized views, columnstore Indexes, In-Memory OLTP, Query Store, controls (CPU, memory, and I/O resource allocation), Scale-Out with Sharding.&middot; Conduct release management optimization: IIS tuning, caching strategies, connection pooling, and CI/CD performance improvements.&middot; Collaborate with product leadership to define and achieve measurable performance goals.&middot; Conduct and close pen testing issues ensuring adherence to OWASP standards.&middot; Design scalable microservices-ready architecture for long-term growth.Required Skills&middot; 8+ years of full-stack development experience in Angular, .NET Core, and SQL Server.&middot; Expert in SQL Server performance tuning, query optimization, indexing, and partitioning.&middot; Strong understanding of IIS performance configuration and Redis caching.&middot; Hands-on with performance profiling tools (.NET Profiler, SQL Profiler, Chrome DevTools, Lighthouse).&middot; Experience in microservices design, Docker, Kubernetes, and cloud deployment pipelines.&middot; Knowledge of OWASP and security testing tools (Burp Suite, OWASP ZAP).Preferred Skills / Experience&middot; Experience optimizing enterprise-grade web platforms handling large data sets.&middot; Background in DevOps and CI/CD pipeline performance tuning.Key Performance Indicators (KPIs)&middot; Reduce page load time to under 2 seconds for major modules.&middot; Achieve 60% reduction in average API response time.&middot; Resolve 100% of identified pen testing issues within SLA.&middot; Implement database improvements reducing query execution time below 2 secondJob Type: Full-timePay: From 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, Lalazar, M.T.Khan Road for interview &amp; job?</li></ul>Work Location: In person

Senior Full-Stack Engineer (Angular & .Net Only)

MarketCube.io

Job SummaryThis is a full-time, on-site role focused on backend-heavy development with the flexibility to contribute to frontend features when required. You will build scalable APIs, work on marketplace workflows, and develop dashboards used by sellers, admins, and enterprise clients.Key Responsibilities<ul><li>Develop and maintain backend services using Node.js and MongoDB</li><li>Build and optimize REST APIs and marketplace logic</li><li>Design and manage MongoDB data models, queries, and indexes</li><li>Develop UI components and dashboards in React.js</li><li>Integrate third-party APIs (payments, logistics, identity, messaging)</li><li>Debug and resolve full-stack issues</li><li>Work closely with Product, QA, UI/UX, and Support teams</li><li>Participate in architecture, sprint planning, and code reviews</li><li>Follow Git/GitHub workflows and engineering best practices</li></ul>Required Qualifications<ul><li>Minimum 4 years of full-stack development experience</li><li>Strong hands-on skills in Node.js, MongoDB, and React.js</li><li>Proficiency in JavaScript (ES6+)</li><li>Experience building and consuming RESTful APIs</li><li>Strong debugging and problem-solving skills</li><li>Experience using Git/GitHub</li><li>Ability to work on-site in Karachi</li></ul>Preferred Skills<ul><li>Experience with SaaS, marketplaces, or e-commerce systems</li><li>Experience with Typescript</li><li>Understanding of queues, microservices, or asynchronous patterns</li><li>Exposure to GCP, Docker, or CI/CD</li><li>Experience with Stripe, logistics, or workflow integrations</li></ul>What We Offer<ul><li>Flexible working hours</li><li>Work on a global SaaS platform used across multiple countries</li><li>Career growth opportunities (Full Stack Lead / Engineering Manager)</li><li>A collaborative and modern engineering environment</li><li>High ownership and autonomy</li></ul>How to ApplySend your CV to: Ali.haider@marketcube.io Subject: Senior Full Stack Engineer &ndash; KarachiJob Type: Full-timeExperience:<ul><li>React, Node Js, Full Stack Development: 4 years (Required)</li></ul>Work Location: In person

Senior Full Stack Engineer (React.js / Node.js / MongoDB)

AKVATEQ

Company OverviewAkvateq is a dynamic and innovative company committed to delivering cutting-edge solutions in the technology sector. We pride ourselves on fostering a collaborative and inclusive work environment that encourages creativity and growth.Job TitleSenior Full Stack Software EngineerLocationKarachi, PakistanYears of Experience4+ yearsJob DescriptionWe are looking for a Senior Full Stack Software Engineer with proven expertise in designing, building, and operating large-scale distributed systems. The position demands deep technical ownership across the entire stack, with particular emphasis on backend architecture, database performance, and cloud-native infrastructure.Core Responsibilities<ul><li>Architect and implement end-to-end systems handling high throughput and low latency requirements</li><li>Design scalable microservices and monolithic applications based on product needs and traffic patterns</li><li>Lead system design and scaling strategy for features handling millions of contacts, activities, workflows, and automation rules</li><li>Define service decomposition, API contracts, event schemas, and data migration strategies</li><li>Database schema design, indexing strategies, query optimization, and sharding/replication topologies</li><li>Build and maintain RESTful and GraphQL APIs with strict backward compatibility and versioning</li></ul>Required Technical Qualifications<ul><li>Minimum 4-5 years of hands-on software engineering experience in production systems</li><li>Expert-level proficiency in at least one backend technologies (Node.js, Nest.js, Python, or equivalent) and willingness to work across multiple languages</li><li>Very strong backend development track record: building high-performance APIs, background job systems and event-driven architectures (Kafka, RabbitMQ or BullMQ)</li><li>Deep expertise in relational databases (PostgreSQL preferred) &ndash; query execution plans, partitioning, logical replication, connection pooling</li><li>Solid experience with NoSQL systems (Redis, DynamoDB, or MongoDB) and caching strategies (write-through, read-aside, TTL policies)</li><li>Advanced knowledge of system architecture: Rate limiting and distributed transactions</li><li>Hands-on experience with major cloud providers (AWS and/or GCP mandatory): Multi-region deployments, serverless (Lambda/Cloud Functions), managed databases, and cost optimization</li><li>Expert in design patterns (creational, structural, behavioral) and architectural patterns. Proven ability to choose the right pattern, enforce it, and mentor the team on correct usage vs anti-patterns.</li></ul>Nice to Have<ul><li>Experience with search engines (OpenSearch/Elasticsearch) and full-text relevance tuning</li><li>Contributions to open-source projects or public design documents</li><li>Prior work logistics domains</li></ul>What We Offer<ul><li>Competitive salary based on your experience and expertise..</li><li>Friendly work culture with flexible hours.</li><li>Opportunities for professional growth and technical upskilling.</li><li>A modern tech stack, supportive team culture, and open communication.</li><li>Paid time off, and other employee perks.</li></ul>Job Type: Full-timeWork Location: In person

Senior Full Stack Software Engineer

Marine Traders Pvt Ltd

Job Description &ndash; Senior Full Stack DeveloperPosition: Senior Full Stack Developer Department: IT / Software Development Location: &mdash; Experience Required: 5+ years (Preferred)Key Responsibilities:<ul><li>Develop, maintain, and optimize full-stack web and mobile applications.</li><li>Lead end-to-end development cycles including architecture, coding, testing, deployment, and documentation.</li><li>Collaborate with cross-functional teams including UI/UX, product, QA, and project managers.</li><li>Ensure applications are responsive, secure, scalable, and high-performing.</li><li>Troubleshoot, debug, and upgrade existing systems and platforms.</li><li>Manage integrations with APIs, databases, and third-party services.</li><li>Mentor junior developers and ensure code quality via best practices and standards.</li></ul>Required Technical Skills:Frontend Development:<ul><li>Proficiency in HTML5, CSS3, Bootstrap, TailwindCSS, Material UI</li><li>Strong command on JavaScript and modern frameworks such as React and Next.js</li></ul>Backend Development:<ul><li>Solid expertise in Node.js, PHP, and Laravel</li><li>Experience with Laravel + React stack</li></ul>WordPress:<ul><li>Strong knowledge of WordPress, theme customization, custom development</li><li>Custom Plugin Development expertise is essential</li></ul>Mobile App Development:<ul><li>Hands-on experience with Flutter and React Native</li></ul>Additional Competencies:<ul><li>Strong problem-solving and debugging skills</li><li>Ability to write clean, reusable, and scalable code</li><li>Familiarity with Git, CI/CD, REST APIs, and database management</li><li>Ability to work independently and handle multiple projects</li><li>Excellent communication and teamwork skills</li></ul>Job Types: Full-time, FresherPay: Rs100,000.00 - Rs120,000.00 per monthApplication Question(s):<ul><li>Are you willing to work in afternoon shift ( 3pm to 12 am) ?</li><li>Current Salary?</li><li>Expected Salary?</li></ul>Work Location: In person

Senior Full Stack Developer

SOC Solutions LLC

Job Title: Senior AI Engineer (AI Agents Specialist) Location: Karachi (On-site) Company: Botmer International Schedule: Full-time, 40 hours/week Working Hours: US Timezone &mdash; 7:00 PM to 3:00 AM Pakistan Time (Monday to Friday)About the Role: Botmer International is hiring a highly experienced Senior AI Engineer with deep expertise in designing, developing, and deploying AI Agents for production environments. This is a senior-level role requiring at least 5 years of hands-on experience in AI, machine learning, LLMs, and automation systems.You will work closely with our global clients (US, EU, Middle East) to build advanced autonomous agents, workflow systems, custom LLM solutions, and integrations that power real business operations. This role demands strong ownership, problem-solving, and R&amp;D capabilities.Key Responsibilities<ul><li>Build and optimize AI Agents using frameworks like LangChain, LlamaIndex, CrewAI, AutoGen, or custom pipelines.</li><li>Develop advanced LLM-based applications, chatbots, role-play agents, calling agents, and process automation systems.</li><li>Architect and deploy scalable AI systems using Python, Node.js, or any modern tech stack.</li><li>Integrate AI systems with APIs, vector databases, CRMs, and third-party tools.</li><li>Conduct prompt engineering, model fine-tuning, and RAG pipeline optimization.</li><li>Collaborate with product, engineering, and client teams to deliver production-ready AI solutions.</li><li>Lead junior engineers and ensure high-quality code standards.</li><li>Work independently during US business hours and deliver timely outcomes.</li></ul>Required Skills &amp; Experience<ul><li>Minimum 5+ years professional experience in AI/ML, LLMs, or related fields.</li><li>Strong experience building AI Agents (voice agents, chat agents, workflow agents, decision-making agents, etc).</li><li>Strong command of Python and/or Node.js.</li><li>Deep understanding of LLMs, embeddings, vector databases (Pinecone, Weaviate, Chroma, Supabase vectors).</li><li>Experience with LangChain, AutoGen, CrewAI, or similar agent frameworks.</li><li>Clear understanding of RAG, context handling, memory, and model orchestration.</li><li>Experience developing real production-level AI systems.</li><li>Strong problem-solving, architecture design, and debugging skills.</li><li>Ability to handle client discussions and work in a fast-paced startup environment.</li></ul>Nice-to-Have<ul><li>Experience with calling agents, Twilio, or real-time voice systems.</li><li>Experience with model fine-tuning (Llama, GPT, Qwen, Mistral).</li><li>Experience with cloud platforms (AWS, GCP, Azure).</li><li>Background in automation tools like Make, n8n, or Zapier.</li></ul>What We Offer<ul><li>Competitive salary based on experience.</li><li>Opportunity to work with US and EU founders building cutting-edge AI products.</li><li>Fast-growth environment with leadership opportunities.</li><li>Work on real-world AI projects affecting millions of users.</li></ul>Job Type: Contract Contract length: 1 monthApplication Question(s):<ul><li>This is an urgent hiring, can you join immediately?</li><li>What is your current salary + expected salary for this role?</li><li>Note: We are a staff augmentation company, helping startups hire top engineers from Pakistan. We offer 1 full-time and long-term role, but on a contract that is renewed every month. Are you comfortable with this work setting?</li></ul>Experience:<ul><li>Artificial Intelligence Development: 5 years (Preferred)</li><li>Agentic AI: 2 years (Preferred)</li></ul>Work Location: In person

Senior AI Engineer

Soft Nation Technologies

Job Title: Senior Full Stack Developer Location: On-site Gulshan-e-Iqbal Job Type: Full-time Shift Timing: 12pm-9pmAbout the RoleWe&rsquo;re seeking an experienced Senior Full Stack Developer who can lead development projects, architect solutions, and deliver high-quality, scalable applications. The ideal candidate is strong in both frontend and backend technologies, understands best practices, and can mentor junior developers while driving technical excellence.Key Responsibilities<ul><li>Lead end-to-end development of web applications</li><li>Design, develop, and maintain scalable backend services and APIs</li><li>Build responsive user interfaces using modern frontend frameworks</li><li>Optimize applications for maximum speed, performance, and security</li><li>Collaborate with product, design, and QA teams</li><li>Review code, enforce best practices, and mentor junior developers</li><li>Integrate third-party services, APIs, and databases</li><li>Write clean, reusable, and well-documented code</li><li>Troubleshoot and resolve complex technical issues</li><li>Participate in sprint planning, architecture discussions, and technical decision-making</li></ul>Required Skills &amp; Experience<ul><li>1-3 years of experience in full-stack development</li><li>Strong proficiency in: Frontend: React.js</li><li>Backend: / PHP /Laravel, Python (customize as needed)(MySQL, PostgreSQL)</li><li>Solid understanding of relational and non-relational databases</li><li>Experience with RESTful APIs</li><li>Hands-on with Git, CI/CD pipelines, Docker, or cloud services (AWS/GCP/Azure)</li><li>Strong problem-solving skills and attention to detail</li><li>Ability to lead projects independent</li></ul>Job Type: Full-timePay: Up to Rs150,000.00 per monthWork Location: In person

Explore 658+ Senior stack engineer in Karachi this December. Find roles across top companies and apply now to boost your career.

658 senior stack engineer jobs IN Karachi

Senior Full-Stack Engineer / Architect

Senior Full-Stack Engineer (Angular & .Net Only)

Senior Full Stack Engineer (React.js / Node.js / MongoDB)

Senior Full Stack Software Engineer

Senior Full Stack Developer

Senior AI Engineer

Senior Full Stack Developer