Hi, I'm Muhammad Saleem Ul Haq Senior Software Engineer | BSCS Computer Science | System Design Expert I'm a passionate engineer with over 7 years of experience delivering high-performance software systems and cloud infrastructure across fintech, healthtech, and government sectors. I specialize in designing secure, scalable backend systems, building robust DevOps pipelines, and leading teams to engineering excellence.
Currently pursuing an MSc in Cybersecurity, I'm exploring security automation, DevSecOps, and compliance-driven architecture.
🧠 Skills & Technologies 💻 Languages & Frameworks Java, Spring Boot, Node.js, NestJS, C#, .NET, Python (Flask/Django), TypeScript, JavaScript, Go, Solidity Deep knowledge of OOP, Functional Programming, Multithreading, Design Patterns 🏗 Architecture & System Design Microservices, REST, gRPC, Event-Driven Architecture Domain-Driven Design (DDD), Clean Architecture, CQRS 🗃 Databases Relational: PostgreSQL, MySQL, SQL Server, Oracle NoSQL: MongoDB, Redis Experience with: indexing, replication, backups, optimization ⚙️ DevOps & CI/CD CI/CD Tools: GitHub Actions, GitLab CI, Jenkins, CircleCI, Azure DevOps IaC: Terraform, Ansible, Helm, Packer Containers & Orchestration: Docker, Kubernetes (K8s), ECS Deployment strategies: Blue-Green, Canary, Rolling Updates ☁️ Cloud Platforms AWS (EC2, Lambda, S3, CloudFront, RDS) Azure (App Services, Monitor, DevOps) GCP (Compute, IAM) 🔐 Security & Compliance DevSecOps, Secure CI/CD, Secret Management, SAST/DAST Security compliance experience: HIPAA, PCI-DSS, CBN Regulations Tools: SonarQube, Trivy, Azure Key Vault, IAM 📈 Monitoring & Observability Log Aggregation: ELK Stack, OpenTelemetry, Filebeat/Metricbeat Monitoring/Dashboards: Grafana, Datadog, Prometheus, Sentry, Seq 🔄 Messaging & Realtime Systems Kafka, RabbitMQ, Webhooks, WebSockets ⚡ Blockchain & Web3 Smart Contract Development (Solidity) Blockchain fundamentals & Ethereum tooling 🧪 Testing & Code Quality Unit Testing, Integration Testing, TDD/BDD Tools: Jest, Mocha, JUnit, xUnit, Postman, Swagger 🤝 Collaboration & Leadership Agile/Scrum, Jira, Confluence Technical Mentoring, Project Management, Cross-functional Collaboration 🚀 Current Focus Completing my MSc in Cybersecurity at TUS Ireland Building real-time infrastructure with observability and zero-trust security Growing Chillr – a hybrid dating + event discovery platform (WIP) Sharing insights and building open-source tools 📫 Let's Connect LinkedIn: [linkedin.com/in/saleemsoftengr Email: saleemhaq12@gmail.com 💡 I believe in building systems that are clean, scalable, secure, and impactful.
Thanks for stopping by! 🚀