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senior software engineer

Avanza Solutions

We&rsquo;re Hiring: Senior Software Engineer (Java) &ndash; KarachiAvanza Solutions is looking for an experienced Senior Software Engineer (Java) with strong expertise in modern technologies to join our growing team in Karachi.Location: Karachi | Full-timeRequirements: &#9989; 5+ years of hands-on experience in software development &#9989; Strong expertise in Java / Java 8, Spring Boot, Microservices &#9989; Frontend experience with React.js &#9989; Proven ability to design, develop, and deliver scalable solutionsWhat We Offer: Opportunity to work on cutting-edge projects Collaborative and growth-oriented environment Career growth with a leading technology companyApply now by sending your CV to sana.naz@avanzasolutions.com#JavaJobs #KarachiJobs #SeniorSoftwareEngineer #SpringBoot #ReactJS #Microservices #AvanzaSolutionsJob Type: Full-timePay: Rs250,000.00 - Rs400,000.00 per monthApplication Question(s):<ul><li>What is your current salary?</li><li>What is your expected salary?</li><li>How soon you can join us?</li><li>Do you have Strong expertise in Java / Java 8, Spring Boot, Microservices?</li><li>Do you have Frontend experience with React.js/ Angularjs</li></ul>Work Location: In person

Senior Software Engineer JAVA

Value Engineering

We&rsquo;re seeking a Senior Software Engineer to own end-to-end delivery across our PHP stack CodeIgniter 3, Laravel, and WordPress with strong DevOps and performance expertise. You will ship features and APIs, integrate third-party services (GA4, Search Console, Tag Manager, payments, communications), optimize Core Web Vitals, and elevate engineering standards across code quality, observability, and security. Experience with Node/React is welcome; Python is a plus.Key Responsibilities<ul><li>Full-stack delivery (PHP)</li><li>Build and maintain applications in CodeIgniter 3 and Laravel (REST APIs, services, background jobs, CLI tools).</li><li>Develop WordPress custom themes/plugins (hooks/filters, CPTs/ACF, WP-CLI) and support headless/decoupled setups.</li><li>API &amp; integrations</li><li>Design and implement scalable REST/JSON APIs and webhooks; document using OpenAPI/Swagger where practical.</li><li>Integrate GA4, Google Search Console, GTM, Stripe/PayPal, Twilio, Mailgun/SendGrid/SMTP, Google Maps, reCAPTCHA, SSO (JWT/OAuth2).</li><li>Performance &amp; SEO</li><li>Improve Core Web Vitals (target: LCP &lt; 2.5s, CLS &lt; 0.1, INP &lt; 200ms).</li><li>Asset optimization (code splitting, compression, image/CDN strategy), caching (HTTP, Redis), schema markup, sitemaps, redirects.</li><li>DevOps &amp; Reliability</li><li>Linux administration (Ubuntu), Docker (compose), Nginx/Apache, SSL/TLS, reverse proxies, DNS.</li><li>CI/CD with GitHub/GitLab/Bitbucket; environment configuration, secrets management, rollbacks.</li><li>Observability: logs/metrics/traces; alerting with tools such as Sentry, Grafana/Prometheus, ELK/EFK.</li><li>Backups, restores, disaster recovery playbooks; cost/performance tuning.</li><li>Data &amp; state</li><li>Schema design and optimization for MySQL/MariaDB/PostgreSQL; indexing, migrations, query tuning (EXPLAIN).</li><li>Caching and queues (Redis, workers, schedulers).</li><li>Frontend</li><li>Build reusable UI components and admin interfaces. React experience preferred; Next.js is a plus.</li><li>Quality &amp; security</li><li>Code reviews, unit/integration tests (PHPUnit/Jest), automated QA where practical (Cypress/Playwright).</li><li>Apply OWASP best practices; hardening, rate-limiting, input validation; dependency auditing.</li><li>Maintain clear technical docs and runbooks.</li><li>Collaboration &amp; leadership</li><li>Partner with Product/Design on scoping and delivery plans; decompose work into milestones.</li><li>Mentor engineers; champion coding standards, performance budgets, and operational excellence.</li></ul>Qualifications (Must-Have)<ul><li>6&ndash;10+ years professional experience; 5+ years production PHP with CodeIgniter 3 and Laravel.</li><li>Strong WordPress expertise (custom plugins/themes, hooks/filters, CPTs/ACF, WP-CLI; headless optional).</li><li>Solid DevOps skills: Linux (Ubuntu), Docker, Nginx/Apache, SSL/TLS, DNS, CI/CD, Git (Bitbucket/GitHub).</li><li>Proven Core Web Vitals optimization using Lighthouse/PageSpeed and RUM; practical caching/CDN strategy.</li><li>Hands-on with GA4, Google Search Console, GTM (events, conversions, debugging).</li><li>API design/integration, authentication/authorization (JWT/OAuth2), WebSockets fundamentals, Redis caching/queues.</li><li>Strong SQL (indexes, normalization, EXPLAIN) and migration discipline.</li><li>Excellent communication, ownership mindset, and production troubleshooting skills.</li></ul>Nice-to-Have<ul><li>Node.js (Express/Nest) for services; React/Next.js for SPAs/admin UIs.</li><li>Python (scripts, FastAPI) for automation, integrations, or data/PDF processing.</li><li>Cloud &amp; hosting: AWS, DigitalOcean, Cloudways, Vercel/Netlify; PM2, Supervisor.</li><li>Testing/monitoring: Cypress/Playwright, Sentry, Grafana/Prometheus.</li></ul>Security hardening, infra-as-code basics, backups/DR drills, and cost/performance tuning.Job Type: Full-timeWork Location: In person

Senior Software Engineer

Ciklum

<div>
 
 
 Ciklum
 
 is looking for a
 
 Senior.NET Software Engineer
 
 to join our team full-time in Pakistan.
 
 
 We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
 
 
 
 
 
 
 About the role:
 
 
 
 As a Senior .NET Software Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.
 
 
 
 
 
 
 Responsibilities:
 
 
 <ul>
 <li>
 Participate in requirements analysis
 </li>
 <li>
 Collaborate with US and Vendors&rsquo; teams to produce software design and architecture
 </li>
 <li>
 Write clean, scalable code using .NET programming languages
 </li>
 <li>
 Test and deploy applications and systems
 </li>
 <li>
 Revise, update, refactor and debug code
 </li>
 <li>
 Develop, support and maintain applications and technology solutions
 </li>
 <li>
 Ensure that all development efforts meet or exceed client expectations. Applications should meet requirements of scope, functionality, and time and adhere to all defined and agreed upon standards
 </li>
 <li>
 Become familiar with all development tools, testing tools, methodologies and processes
 </li>
 <li>
 Become familiar with the project management methodology and processes
 </li>
 <li>
 Encourage collaborative efforts and camaraderie with on-shore and off-shore team members
 </li>
 <li>
 Demonstrate a strong working understanding of the industry best standards in software development and version controlling
 </li>
 <li>
 Ensure the quality and low bug rates of code released into production
 </li>
 <li>
 Work on agile projects, participate in daily SCRUM calls and provide task updates
 </li>
 <li>
 During design and key development phases, might need to work a staggered shift from 2pm-11pm to ensure appropriate overlap of the India and US teams and project deliveries
 </li>
 </ul>
 
 
 
 
 
 Requirements:
 
 
 
 We know that sometimes, you can&rsquo;t tick every box. We would still love to hear from you if you think you will be a good fit.
 
 <ul>
 <li>
 8+ years of strong hands-on experience on C#, SQL Server, OOPS Concepts, MicroServices Architecture
 </li>
 <li>
 At least two-year hands-on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, Entity Framework 6 or above, Azure, Database performance tuning, Applying Design Patterns, Agile
 </li>
 <li>
 .Net back-end development with data engineering expertise. Experience with MS Fabric as data platform/ Snowflake or similar tools would be a plus
 </li>
 <li>
 Skill for writing reusable libraries
 </li>
 <li>
 Excellent Communication skills both oral &amp; written
 </li>
 <li>
 Excellent troubleshooting and communication skills, ability to communicate clearly with US counterparts
 </li>
 </ul>
 
 
 
 
 
 Desirable:
 
 
 <ul>
 <li>
 Knowledge of Angular, Mongo DB, NPM and Azure Devops Build/Release configuration
 </li>
 <li>
 Self-starter with solid analytical and problem-solving skills
 </li>
 <li>
 This is an experienced level position, and we will train the qualified candidate in the required applications
 </li>
 <li>
 Willingness to work extra hours to meet deliverables
 </li>
 <li>
 Understanding of cloud infrastructure design and implementation
 </li>
 <li>
 Experience in CI/CD configuration
 </li>
 <li>
 Good knowledge of data analysis in enterprises
 </li>
 <li>
 Experience with Databricks, Snowflake
 </li>
 <li>
 Experience with Kubernetes
 </li>
 </ul>
 
 
 
 
 
 What's in it for you?
 
 
 <ul>
 <li>
 Care: your mental and physical health is our priority. We offer competitive benefits package that includes but is not limited to comprehensive medical coverage, life-insurance, gym membership, fuel, internet and mobile allowances and provident fund
 </li>
 <li>
 Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
 </li>
 <li>
 Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
 </li>
 <li>
 Flexibility: Own your schedule &ndash; you are the one to decide when to start your working day. Just don&rsquo;t miss your regular team stand-up
 </li>
 <li>
 Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
 </li>
 <li>
 Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
 </li>
 <li>
 Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events
 </li>
 </ul>
 
 
 
 
 
 About us:
 
 
 
 At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you&rsquo;ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
 
 
 With over 14 years of presence in Islamabad, our Pakistan team is a trusted force in redefining industries. We value every voice and invite experienced professionals to help shape tomorrow&rsquo;s digital experiences.
 
 
 Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.
 
 
 
 
 
 
 Explore, empower, engineer with Ciklum!
 
 
 
 Experiences of tomorrow. Engineered together
 
 
 Interested already?
 
 
 We would love to get to know you! Submit your application. Can&rsquo;t wait to see you at Ciklum.
 
</div>

Senior .NET Software Engineer

Tether Operations Limited

<div>Join Tether and Shape the Future of Digital Finance
At Tether, we&rsquo;re not just building products, we&rsquo;re pioneering a global financial revolution. Our cutting-edge solutions empower businesses&mdash;from exchanges and wallets to payment processors and ATMs&mdash;to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.
Innovate with Tether
Tether Finance: Our innovative product suite features the world&rsquo;s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.
But that&rsquo;s just the beginning:
Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.
Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.
Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.
Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways. 
Why Join Us?
Our team is a global talent powerhouse, working remotely from every corner of the world. If you&rsquo;re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We&rsquo;ve grown fast, stayed lean, and secured our place as a leader in the industry.
If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.
Are you ready to be part of the future? 
About the job:
As a Senior SDK Developer, you will be a part of the team that works on the development of the new and cutting edge Tether AI SDK.<ul><li>
Developer-Facing SDKs &amp; APIs: Tether is committed to delivering world-class developer experiences through robust and intuitive SDKs. You will design, build, and maintain modular, versioned SDKs that abstract complex backend logic into clean, usable interfaces &mdash; enabling seamless integration with Tether&rsquo;s platform across various client environments.</li><li>
Performance &amp; Reliability at Scale: SDKs must be fast, lightweight, and reliable &mdash; even when performing heavy and demanding operations. You&rsquo;ll design resilient logic (retry policies, offline handling, batching) and contribute to the scalability of platform-facing interfaces and services powering the SDKs.</li><li>
Security-First Engineering: You&rsquo;ll embed best-in-class security practices directly into the SDK architecture, including secure communication, encrypted storage and rigorous input validation. Your work will help ensure safe integration pathways for all developers working with the Tether ecosystem.</li></ul><ul><li>
+6 years of experience working with Nodejs/JavaScript in production environments.</li><li>
Proven track record in designing and maintaining developer-facing SDKs (npm packages, API clients, or instrumentation libraries)</li><li>
Strong understanding of modular architecture, versioning strategies, and semantic API design</li><li>
Have actively participated in the development of a complex platform</li><li>
Experience with AI domain applications (RAG, Agents, Inference, AI SDKs)</li><li>
Ability to quickly learn new technologies</li><li>
Good understanding of security practices</li></ul>
Nice to have<ul><li>
Familiar with Peer-to-Peer technologies (Kademlia, bittorent, libp2p)</li><li>
Comfortable with high-availability concepts</li><li>
Rust or C++ skills are a plus</li><li>
Familiarity with real-time data delivery (NodeJS/other streaming)</li></ul></div>

Javascript Senior Software Engineer (AI SDK)

HR POD Careers

<div>
 
 Requirements:
 
 
 
 <ul>
 <li>
 6+ years of software development experience with expertise in modern programming languages (Python, ReactJS, NextJS, or similar).
 </li>
 <li>
 Proven track record of architecting and delivering scalable, production-grade microservices in high-traffic environments.
 </li>
 <li>
 Deep expertise in API design, database optimization (relational and NoSQL), caching systems, and event-driven architectures (e.g., Kafka, RabbitMQ).
 </li>
 <li>
 Proficiency in designing and optimizing high-performance data pipelines for real-time or near-real-time applications.
 </li>
 <li>
 Extensive experience with software testing frameworks, CI/CD pipelines, and observability tools (e.g., Prometheus, Grafana, ELK stack).
 </li>
 <li>
 Demonstrated ability to lead technical initiatives, mentor team members, and drive cross-functional collaboration.
 </li>
 <li>
 Exceptional problem-solving skills with experience debugging complex systems in production environments.
 </li>
 <li>
 Strong communication skills, with the ability to articulate complex technical concepts to diverse stakeholders.
 </li>
 <li>
 Experience with video processing, embedded systems, or large-scale data processing in constrained environments.
 </li>
 <li>
 Familiarity with cloud platforms (e.g., AWS, GCP, Azure) and infrastructure-as-code tools (e.g., Terraform, Kubernetes).
 
 
 
 </li>
 </ul>
 
 Responsibilities:
 
 
 
 <ul>
 <li>
 Architect and implement high-performance backend services, including real-time video processing, advanced notification systems, customer-facing APIs, and large-scale data management solutions.
 </li>
 <li>
 Lead the design of fault-tolerant, scalable microservices that integrate seamlessly with our platform ecosystem, ensuring robustness under high load.
 </li>
 <li>
 Optimize complex data processing pipelines to handle massive volumes of traffic violation data with low latency and high reliability.
 </li>
 <li>
 Design and refine advanced database schemas, indexing strategies, and caching mechanisms to maximize performance, scalability, and cost efficiency.
 </li>
 <li>
 Drive cross-functional collaboration with frontend, AI, and platform teams to deliver end-to-end solutions, ensuring seamless integration and alignment with business goals.
 </li>
 <li>
 Establish and enforce rigorous testing standards, including unit, integration, and end-to-end tests, to ensure system reliability and maintainability.
 </li>
 <li>
 Mentor junior engineers, lead code reviews, and champion engineering best practices, including CI/CD pipelines, observability, and documentation standards.
 </li>
 <li>
 Contribute to technical roadmaps, evaluate emerging technologies, and drive innovation to enhance system performance and reliability.
 </li>
 <li>
 Troubleshoot and resolve critical production issues, minimizing downtime and maintaining optimal system performance.
 
 </li>
 </ul>
</div>

Senior Software Engineer - Python & Next.js (Onsite, Islamabad, USD Salary)

Rapid Labs

Senior Machine Learrning EngineerRapid Labs is a dynamic leader in the AI revolution, dedicated to crafting groundbreaking solutions that redefine industries such as Retail, Healthcare, Legal, and Finance. With expertise in technologies like Computer Vision, Natural Language Processing, and AI-powered Chatbots, we aim to elevate user experiences and streamline business operations. Join us on our mission to leverage artificial intelligence for impactful change and a better tomorrow!Job Overview:We are seeking a highly skilled and experienced Senior Machine Learning Engineer to join our team during the night shift. The ideal candidate will be responsible for designing, developing, and deploying machine learning models and systems that will enhance our product offerings. This role requires a deep understanding of machine learning algorithms, data processing techniques, agentic-ai and software development.Key Responsibilities:<ul><li>Lead the design and implementation of machine learning models and algorithms.</li><li>Collaborate with data scientists, engineers, and product managers to integrate models into production systems.</li><li>Optimize and scale machine learning models for performance and reliability.</li><li>Conduct data analysis, preprocessing, and feature engineering to support model development.</li><li>Stay up-to-date with the latest research and advancements in machine learning and AI.</li><li>Mentor junior engineers and contribute to the overall growth of the ML team.</li><li>Work during night hours to support global teams and ensure timely delivery of projects.</li></ul>Required Skills &amp; Qualifications:<ul><li>Education: Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Data Science, Mathematics, or a related field.</li><li>Experience: Minimum of 5 years of experience in machine learning, data science, or a related field.</li><li>Technical Skills: Proficiency in programming languages such as Python</li><li>Strong knowledge of machine learning frameworks</li><li>Experience with cloud platforms such as AWS, GCP, or Azure.</li><li>Hands-on experience on agentic frameworks such as LangChain, LangGraph, and MCP servers.</li><li>LLM and Agentic Applications evaluation techniques and stacks</li><li>Solid understanding of data structures, algorithms, and software engineering principles.</li><li>Expertise in model deployment and monitoring.</li></ul>Soft Skills: Strong problem-solving and analytical skills.<ul><li>Excellent communication and teamwork abilities.</li><li>Ability to work independently with minimal supervision.</li><li>Adaptability to night shift working hours.</li></ul>Salary &amp; Benefits<ul><li>Competitive salary and fringe benefits.</li><li>Paid Time off</li><li>Leaves encashment</li><li>EOBI</li><li>Company-sponsored courses for continuous learning and career growth</li><li>Professional Development</li><li>Career Advancement</li><li>Team Building Activities</li><li>Innovative Work Environment</li><li>Work-Life Balance</li><li>Company trips</li><li>Wellness Programs</li><li>Performance based promotion</li></ul>Location: Blue Area IslamabadOffice Hours: 05:00 PM to 02:00 AM (Monday to Friday) &ndash; US ShiftJob Type: Full-timeApplication Question(s):<ul><li>How many years of full-time professional experience do you have working as an AI/ML Engineer?</li><li>What is your current salary?</li><li>What is your expected salary?</li><li>How many days of notice period are you required to serve with your current employer?</li><li>Do you have hands-on experience deploying AI/ML models into production environments?</li><li>Have you used containerization or orchestration tools (e.g., Docker, Kubernetes) for ML model deployment?</li><li>Do you have experience deploying models on cloud platforms such as AWS, Azure, or GCP?</li><li>Have you managed the end-to-end lifecycle of an ML model (training, deployment, monitoring)?</li><li>Do you have experience with CI/CD pipelines for ML model deployment?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Language:<ul><li>English fluently (Preferred)</li></ul>Location:<ul><li>Islamabad (Preferred)</li></ul>Work Location: In person

Senior AI/ML Engineer

Webtronix

Job Summary: We are seeking a skilled and innovative Senior AI/ML Engineer to join our team and help design, develop, and deploy cutting-edge machine learning and artificial intelligence solutions. The ideal candidate will have strong programming skills, a deep understanding of machine learning algorithms, and experience working with large-scale datasets. You&rsquo;ll work cross-functionally with data scientists, software engineers, and product teams to integrate AI/ML models into real-world applications.Responsibilities:<ul><li>Design, develop, and implement machine learning models and AI algorithms.</li><li>Collaborate with data scientists and domain experts to preprocess and analyze data.</li><li>Optimize models for performance, scalability, and accuracy.</li><li>Develop end-to-end pipelines for model training, validation, deployment, and monitoring.</li><li>Integrate machine learning solutions into production systems and applications.</li><li>Conduct model evaluation and tuning using metrics such as precision, recall, F1 score, and ROC AUC.</li><li>Maintain documentation for models, data pipelines, and experiments.</li><li>Stay updated with the latest AI/ML research and industry trends and apply best practices.</li></ul>Qualifications:<ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Artificial Intelligence, Data Science, or related field.</li><li>Strong programming skills in Python (and libraries such as TensorFlow, PyTorch, scikit-learn).</li><li>Solid understanding of supervised, unsupervised, and deep learning techniques.</li><li>Experience with data preprocessing, feature engineering, and data visualization.</li><li>Familiarity with cloud platforms (AWS, GCP, Azure) and ML Ops tools.</li><li>Experience working with large datasets and distributed computing frameworks (e.g., Spark).</li><li>Understanding of software engineering best practices: version control (Git), CI/CD, testing, etc</li></ul>Technical Skills:<ul><li>Experience with NLP, Computer Vision, or Time Series modeling.</li><li>Familiarity with Docker, Kubernetes, and model deployment frameworks like MLflow or SageMaker.</li><li>Contributions to open-source ML projects or research publications.</li><li>Experience with data annotation tools and techniques.</li></ul>Web-Tronix is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.Job Type: Full-timePay: Rs100,000.00 - Rs250,000.00 per monthWork Location: In person

Explore 387+ Senior software engineer in Islamabad this September. Find roles across top companies and apply now to boost your career.

387 senior software engineer jobs IN Islamabad

Senior Software Engineer JAVA

Senior Software Engineer

Senior .NET Software Engineer

Javascript Senior Software Engineer (AI SDK)

Senior Software Engineer - Python & Next.js (Onsite, Islamabad, USD Salary)

Senior AI/ML Engineer

Senior AI/ML Engineer