Hire the Best Reverse Engineers
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⭐ "Trayambak has demonstrated absolute mastery of the subject matter. Even though the automation was in Spanish software, he adapted and understood it in record time. Highly, highly recommended." — Recent Client I build intelligent Python automations, reverse-engineer complex systems, and create secure data workflows that save businesses hundreds of manual hours. As a Certified Ethical Hacker (CEH) and ML Specialist, I specialize in building scalable solutions using Python, Machine Learning, cybersecurity practices, and advanced automation technologies. My focus is on creating practical systems that improve efficiency, security, and data-driven decision making. What I can help you with: • Complex Web Automation & API Reverse Engineering • Machine Learning model development and integration • Python backend development and API creation • Data analysis, processing, and visualization • Workflow and business process automation • Cybersecurity analysis and secure system design • AI chatbot development and automation tools • Technical project management for complex software systems I focus on writing clean, scalable, and secure code while delivering reliable solutions that create real business value for clients. If you are looking for someone who can transform technical ideas into working intelligent systems, I would be happy to collaborate with you. Let's talk!

I build backend systems, APIs, and full-stack applications that are designed to handle real-world complexity — not just work in ideal conditions. My primary focus is backend engineering: designing clean architectures, implementing reliable APIs, and solving problems where the logic isn’t always straightforward. I’ve worked on systems involving authentication, automation, real-time communication, and integrations where understanding internal behavior matters as much as writing code. I also bring strong debugging and analysis skills. I’m comfortable working with complex or opaque systems, tracing issues at a deeper level, and building solutions when documentation or standard approaches fall short. This has helped me deliver on projects involving system-level behavior, API reconstruction, and non-trivial edge cases. From a systems perspective, I design applications with scalability in mind — using appropriate patterns for caching, background processing, and event-driven workflows, along with containerized environments for consistent deployment. I can take ownership of backend-heavy projects end-to-end, and also build complete applications when needed. On the frontend side, I focus on delivering clean, functional interfaces that integrate well with the backend. I’m selective about the work I take on — I prefer projects where I can contribute meaningfully and deliver with clarity, rather than just “getting something working.” If your project involves backend logic, system design, automation, or anything that requires deeper problem-solving, feel free to reach out.

I develop Embedded software often related to Networking and WiFi. With experience working on various different technologies , I know how things work across all levels of abstraction. Whenever you need to work on something challenging, you can trust my expertise. Overview: - CEO/CTO of a startup. ( Spectromus Technologies) - Masters degree in IT, Certified Ethical Hacker - C, GoLang applications - from design to implementation. - Linux kernel/driver development - Experience in reverse-engineering and hacking embedded devices Technologies: * eBPF *OpenWrt, QSDK * Linux WLAN device drivers (qca drivers, ath10k,mtk) * OpenWrt Firmware customization on various Access point platforms (IPQ8064, IPQ8074, IPQ4019, MT7688, IPQ6018, etc) *Yocto * Network Intrusion detection/ Prevention System (IDS/IPS) * Golang * Projects worked on: 1. Rate adaptation on Atheros WiFi cards. 2. WiFi Access in Vehicular environments (802.11p, WAVE, DSRC, V2V) 3. WiFi Mesh networks (Qualcomm Wifi SON, Multi AP architecture, EasyMesh) 4. City wide WiFi Network. 5. Captive portals for WiFi networks 6. Cloud platforms - OpenSync , OpenWISP, MQTT based Platform 7. PX4, ArduPilot, OpenDroneID, RemoteID, UAV 8. GNURadio, SDR, HackRF, RTLSDR 8. Open-weight models, LLM

👋 Hi, I'm Paresh Bhatewara. 🏆 15+ Years of Experience 🏆 Top Rated Plus Freelancer 🏆 98% Job Success 🏆 $100K+ Earned on Upwork 🏆 63 Successfully Completed Projects I'm a Senior .NET Developer specializing in C#, .NET Core, ASP.NET Core, Blazor, SQL Server, and Microsoft Azure. For more than 15 years, I've helped startups, SMBs, SaaS companies, and enterprise organizations build secure, scalable, and high-performance software that solves real business problems. Whether you're launching a new SaaS product, modernizing a legacy .NET application, developing secure REST APIs, building Windows desktop software, migrating to Microsoft Azure, or maintaining an enterprise application, I deliver production-ready solutions with clean, maintainable code. ✦ What I Can Help You Build ➤ Web Application Development ✔ ASP.NET Core Applications ✔ ASP.NET MVC Applications ✔ Blazor Applications ✔ Enterprise Web Applications ✔ SaaS Platforms ✔ CRM & ERP Systems ✔ Custom Business Applications ✔ REST API & ASP.NET Web API ✔ Microservices Development ✔ Third-Party API Integration ➤ Desktop Application Development ✔ WPF Applications ✔ WinForms Applications ✔ Windows Desktop Software ✔ Legacy .NET Modernization ➤ Mobile Application Development ✔ .NET MAUI ✔ Xamarin ✔ Cross-Platform Android & iOS Applications ➤ Database Development ✔ SQL Server ✔ Entity Framework ✔ LINQ ✔ Stored Procedures ✔ Database Design ✔ Query Optimization ✔ Performance Tuning ➤ Azure Cloud Development ✔ Microsoft Azure ✔ Azure App Services ✔ Azure Functions ✔ Azure SQL Database ✔ Azure DevOps ✔ Azure Storage ✔ Cloud Migration ✔ Third-Party API Integration ✔ Payment Gateway Integration ✦ Best Fit Projects ➜ Custom Software Development ➜ Enterprise Software Development ➜ SaaS Product Development ➜ Legacy .NET Modernization ➜ ASP.NET Core Migration ➜ REST API Development ➜ Microservices Architecture ➜ Azure Cloud Applications ➜ Desktop Software Development ➜ Business Automation Solutions ✦ Core Technologies Backend C# • .NET Framework • .NET Core • ASP.NET • ASP.NET Core • ASP.NET MVC • Blazor • ASP.NET Web API • REST API • Entity Framework • LINQ • VB.NET Frontend React.js • JavaScript • HTML5 • CSS3 • Bootstrap • jQuery Desktop WPF • WinForms Mobile .NET MAUI • Xamarin Database SQL Server • Entity Framework • Stored Procedures • Database Design • Performance Optimization Cloud & DevOps Microsoft Azure • Azure DevOps • Azure App Services • Azure Functions • Git • GitHub • CI/CD ✦ Industries Healthcare • Finance • Banking • Insurance • Manufacturing • Logistics • Transportation • Retail • E-commerce • Real Estate • Education • Human Resources • CRM • ERP • SaaS • BusinessAutomation ✦ My Development Process Understand → Plan → Develop → Test → Deploy → Support ➤ Understand your business goals and technical requirements. ➤ Design the right architecture and technology stack. ➤ Develop clean, scalable, and secure applications. ➤ Perform detailed testing and optimization. ➤ Deploy safely with minimal downtime. ➤ Provide long-term maintenance and feature enhancements. ✦ What Clients Say ⭐ "Completed the project on time and on budget." ⭐ "Highly recommend Paresh for anyone looking to build scalable and secure software." ⭐ "Outstanding job in both development and requirement gathering." ⭐ "Very knowledgeable in .NET and always delivered high-quality work." ⭐ "Excellent communication and reliable delivery throughout the project." ⭐ "Production-ready solution with great attention to detail." ✦ Why Clients Choose Me ✔ 15+ Years of Professional Experience ✔ Top Rated Plus Freelancer ✔ 98% Job Success ✔ $100K+ Earned on Upwork ✔ 63 Successfully Completed Projects ✔ Strong Expertise in ASP.NET Core, Blazor, Azure & SQL Server ✔ Enterprise Software Development Experience ✔ Clean & Maintainable Code ✔ Scalable Software Architecture ✔ Performance Optimization ✔ Secure Development Practices ✔ Excellent Communication ✔ Reliable & On-Time Delivery ✔ Long-Term Technical Partnership ✔ Business-Oriented Solutions ✦ Let's Build Something Great If you're looking for a Senior .NET Developer who can build, modernize, or scale your application using C#, ASP.NET Core, Blazor, SQL Server, and Microsoft Azure, I'd be happy to discuss your project. 📩 Send me a message today, and let's build reliable software that helps your business grow.

I build and fix high-performance backend and real-time systems in Rust, where latency, throughput, and correctness are the numbers that decide whether the product ships. When a service stalls under load, drops data, or cannot keep up in real time, I find the wall and remove it. I publish original benchmark research on async-runtime failure modes, so that reasoning behind a fix is legible, not a black box. What I do - Performance engineering in production Rust: diagnosing and removing tail latency, executor starvation, lock contention, false sharing, allocator pressure, and missing backpressure. These rarely show from the symptom alone. I find the real cause with tokio-console and flamegraphs and prove the fix with before-and-after p99 numbers. - High-throughput data and compute infrastructure: real-time ingestion and streaming pipelines with bounded end-to-end latency, exactly-once processing, crash recovery, and horizontal scaling with automatic failover. Hot-path in-memory work split from a cold analytical store so latency-sensitive processing never waits on historical queries. - Real-time systems with hard guarantees: lock-free SPSC ring buffers, single-copy handoff, no dropped samples, determinism treated as a requirement rather than a hope. - Rust and WebAssembly: compute and rendering compiled to wasm32 and running in-browser via WebGPU, native-class performance with no server round-trip. - GPU-accelerated processing and visualization of high-frequency sensor data: hundreds of channels at kHz rates with signal-processing compute (FFT, filtering, fusion) inside the same frame, native and in-browser. The hardest end of the real-time spectrum, where most CPU tooling gives out. - C, C++, Java and Python to Rust migration: the FFI boundaries, unsafe, and zero-copy interop that do not auto-port. Recent work - A high-throughput ingestion pipeline sustaining 40-plus events per second with zero drops: write-ahead-log crash recovery, gap detection with source fallback, and an auto-healing design built to scale past 5,000 events per second, with a hot in-memory path separated from a cold TimescaleDB store for historical and backtest queries. - Original research on async executor starvation showing a 101x p99 scheduling-overhead increase when blocking code saturates the runtime's workers, instrumented with tokio-console. When to hire me You have a domain-first product in instrumentation, hardware, infrastructure or cluster observability, robotics, sensing, or finance, and it is blocked by a hard systems problem outside your team's discipline, where getting the abstractions, the latency, and the correctness right matters more than shipping fast. That is the work I am built for. #Skills Rust, WebAssembly, Asynchronous Programming, Concurrent Programming, Systems Programming, Performance Optimization, Backend Development, gRPC, Microservices, Distributed Computing, Real-Time Data Processing, PostgreSQL, Apache Kafka, Linux, Embedded Systems, C++, C, GPU / Parallel Computing, Graphics Programming, API Development