Hire the Best RSpec Specialists
in Bangladesh

Need clear, defensible analysis for a research, healthcare, or business decision? I help researchers, public-health teams, and organizations turn complex datasets into rigorous findings, reproducible workflows, and stakeholder-ready reports. I am a data scientist and statistical programmer with 8+ years of experience and 1,000+ completed projects. My work spans data cleaning, exploratory analysis, hypothesis testing, regression, forecasting, machine learning, and data visualization. Tools: R/RStudio, SPSS, SAS, Stata, SQL, Excel, Tableau, and Power BI. What you receive: • A clear analysis plan aligned with your question • Clean, documented, reproducible code • Publication- or decision-ready tables and visualizations • Plain-language interpretation of findings I work carefully, communicate clearly, and can support a project from initial scoping through final reporting. Send your research question, data format, and deadline, and I’ll recommend the best approach.

With 7 years of hands-on experience in FPGA/RTL front-end design, IP-level functional verification, and SoC design closure, I deliver production-ready silicon with a consistent record of coverage closure across complex protocols — PCIe Gen3/4/5, AXI4, AXI4-Stream, AHB, APB, and QSPI. --- RTL DESIGN & SoC FRONT-END --- I lead end-to-end SoC front-end design flows: micro-architecture definition, RTL coding (Verilog, SystemVerilog, VHDL), RTL integration, synthesis, static timing analysis (STA), clock domain crossing (CDC), linting, power optimization, and manufacturing-ready database delivery. Tools: Xilinx Vivado, Synopsys Design Compiler, PrimeTime. --- FUNCTIONAL VERIFICATION (UVM / CoCoTB / SVA) --- Expert in building and architecting UVM testbenches from scratch — scoreboard, coverage collector, register abstraction layer (RAL), sequence libraries, and virtual sequencers. Skilled in SystemVerilog Assertions (SVA), constraint-random verification, error injection, and corner-case simulation at block and chip level. I also build Python-based CoCoTB environments for modern RTL flows. Simulators: Cadence Xcelium, Synopsys VCS, ModelSim/Questa. --- FORMAL VERIFICATION & ADVANCED FLOWS --- Hands-on with formal property verification, CDC analysis, X-propagation, power intent (UPF), and structural linting. Experienced with ARM Cortex-M/A and RISC-V SoC verification including subsystem integration and full-chip closure sign-off. --- PROTOCOLS --- - PCIe Gen3/4/5 (TLP, DLLP, Physical Layer) - AXI4, AXI4-Lite, AXI4-Stream - AHB, APB (AMBA suite) - QSPI XIP Controller - 5G datapath (AXI4-Stream based) --- TEAM LEADERSHIP & PROJECT DELIVERY --- Proven team lead directing RTL and verification engineers on: - PCIe Gen5 controller RTL design & UVM verification - AXI4-Stream 5G datapath block & chip-level verification - QSPI XIP controller design & verification - AMBA protocol IP verification (AXI4/AHB/APB) --- CORE SKILLS & TOOLS --- Languages: Verilog | SystemVerilog | VHDL | Python | TCL Verification: UVM | CoCoTB | SVA | RAL | Functional Coverage Simulators: Cadence Xcelium | Synopsys VCS | ModelSim/Questa Synthesis/STA: Xilinx Vivado | Synopsys Design Compiler | PrimeTime Protocols: PCIe Gen5 | AXI4 | AHB | APB | QSPI Formal: Cadence JasperGold | Synopsys VC Formal --- WHAT CLIENTS SAY I DELIVER --- - Clean, well-commented, synthesizable RTL code - Reusable, scalable UVM environments with full coverage closure - Detailed verification plans, test plans, and coverage reports - On-time delivery with clear communication at every milestone - Post-silicon debug support and waveform analysis --- INDUSTRIES & APPLICATIONS --- Semiconductor IP design, data center interconnects (PCIe), wireless baseband (5G NR), automotive SoC, embedded FPGA prototyping, RISC-V custom processor design, memory controller verification, and industrial IoT. --- WHY HIRE ME --- I combine deep protocol expertise with silicon-proven methodologies. Whether you are taping out a new chip, verifying a complex IP block, or building a custom FPGA solution, I apply the same rigour used at leading semiconductor companies — adapted to your timeline and budget. Need a robust UVM testbench, RTL design from spec, formal verification, SoC integration, or front-end project leadership? I bring the technical depth and delivery discipline to get it done right, on time. Let's build reliable silicon together.

Hello I am Imran Hussain Heron. I have a total of 13 years of experience with Oracle, MySQL, and MSSQL databases. My significant experience includes: Oracle Database: Implementation and management of Oracle Database 10g, 11g R1, 11g R2, 12c, and 19c Database Backup and Recovery: Expert in RMAN and Oracle import/export High Availability Solutions: Real Application Clusters (RAC), Physical Standby (Data Guard), and Logical Standby Middleware and Infrastructure: Oracle WebLogic, Oracle Grid Infrastructure (11g-19c), and Fusion Middleware Security: Oracle Audit Vault and Database Firewall, Oracle & MSSQL Transparent Data Encryption Performance Tuning: Oracle & MSSQL performance tuning Database Upgradation & Migration: Oracle and MSSQL database upgradation and migration Disaster Recovery and High Availability: MSSQL AlwaysOn Availability Groups, Replication, Log Shipping, Mirroring, and Clustering MySQL Administration: Administration and DR implementation Additional Expertise: Oracle GoldenGate, Oracle Gateway Thank you for visiting my portfolio. Best regards, Imran Hussain Heron

I am a skilled R/Shiny developer with over six years of experience creating customized applications for a range of clients. With a background in statistics, I can apply data-driven insights to create functional and user-friendly apps that meet specific business needs. I can handle every aspect of Shiny app development, from design to deployment. In addition to my experience with R/Shiny, I also have a strong background in creating REST APIs using Plumbr. I am proficient in connecting Shiny apps with REST APIs and databases, enabling seamless data exchange between different systems. Furthermore, I am well-versed in enabling user authentication and authorization using Auth0, ensuring secure and reliable access to sensitive data. I take pride in creating unique and visually appealing apps by utilizing my knowledge of HTML and CSS. As a passionate computer nerd, I am always excited to learn about new technologies and apply them in my work. Feel free to reach out to me if you have any questions or if you would like to work together.

Hi! I’m here to help you resolve your networking challenges with extensive experience across multiple platforms, including Mikrotik, Cisco, Juniper, and Ubiquiti devices. With over 12 years of professional experience, I’ve managed complex networking environments, optimized infrastructure, and implemented both small- and large-scale network solutions. My Core Skills Include: Routing and Switching: I have deep expertise in the design, configuration, and troubleshooting of a wide range of routing and switching protocols. Whether you’re looking to improve traffic routing or ensure network redundancy, I can implement: • BGP (Border Gateway Protocol) • OSPF (Open Shortest Path First) • RIP (Routing Information Protocol) • PBR (Policy-Based Routing) • Static Routing and VLAN • Failover Solutions Wireless Solutions: I have vast experience in designing and deploying wireless solutions that provide robust, scalable coverage for different environments: • WiFi Hotspot Implementation • WiFi Roaming • Standalone AP and CAPsMAN Monitoring & Network Management: Real-time monitoring, logging, and alerting can prevent downtime and keep your network performing at its best. I work with: • The Dude • SNMP, Netflow • PRTG and SolarWinds • SevOne PM • NetBox VoIP and Server Management: I specialize in deploying and maintaining communication systems (VoIP) and backend infrastructure: • Asterisk and FreeSwitch • Server Management • Dolibarr and OpenERP Virtualization and Cloud: Need to set up virtual machines or integrate cloud services? I have hands-on experience in: • VirtualBox • VMware-ESXI • ProxMox Network Security: I offer full security solutions from basic firewall setups to comprehensive multi-layered security frameworks: • VPNs (IPsec, PPTP, L2TP, OpenVPN, WireGuard) • ACLs (Access Control Lists) • Firewalls (Mikrotik, Cisco ASA, Juniper SRX) • Security Audits Devices and Platforms I Work With: • Mikrotik Routers: Devices such as CCRxxx, RBxxxx, AHxxx, cAP ac, and others. • Mikrotik Switches: Various CRS series, including CRS328-24P-4S+RM, for both core and edge deployments. • Cisco Routers: Including ISR 800, 4500, 1700, 2800, 2900, 3900 series, and ASR 1001-X. • Cisco Firewalls: ASA 5500, 5500-X, and Firepower 2100 for network security. • Cisco Switches: Extensive work with C2950, C2960-X, C3560, C3850, C4500, C6500, and more. • Juniper Routers and Switches: Including MX480, MX960, MX104 routers, and EX2200, EX4200, EX4300 switches. • Ubiquiti: EdgeRouter, UniFi series for efficient, scalable network deployment. • Dell and IBM Servers: Deployment, management, and configuration. Network Design and Optimization: I am proficient in assessing existing network setups and recommending improvements to streamline performance, increase security, and reduce latency. Whether you’re setting up a new data center or scaling up your current infrastructure, I can guide you through choosing the right devices and configurations for optimal results. Additionally, I provide consultation on network best practices, compliance with industry standards, and cost-effective hardware recommendations. NMS, NPM and DCIM Solutions: I can also deploy fully customized solutions for Network Monitoring System(NMS), Network Performance Monitoring (NPM) and Data Center Infrastructure Management (DCIM). I’ve worked extensively with The Dude, SevOne, NetBox and offer solutions that can be integrated into your existing infrastructure under the management platforms. Project Experience: With over 12 years in the field, I’ve successfully deployed over 1,000 Mikrotik devices and managed a variety of network projects involving multi-vendor environments. From small office networks to large-scale Network setups, I’ve managed both deployment and long-term support. I am skilled in troubleshooting, optimizing existing systems, and ensuring the reliability and scalability of networks. How I Can Help You: Whether you need help with routing and switching, setting up firewalls, designing a wireless network, deploying VoIP, or managing servers and virtual environments, I’ve got you covered. I can help you plan and deploy the best network solutions tailored to your unique needs. Plus, I’ll ensure ongoing support, so your network always performs at its best. I look forward to working with you and making sure your network infrastructure is both powerful and reliable! Let’s connect and discuss how I can help you achieve your goals.

22+ years in the telecommunications and Software industry from design, development, management, delivery, and lead. Vast experienced focused on solution customization for Cloud Telecommunication System. Specialist in Communication System like Core GSM, IP, SIP, WebRTC, SS7, Radius, Diameter, SMPP, XMPP, SNMP, Sockte, RabbitMQ Message Broker, Software Defined Radios (SDR), and IoT. Also capable to develop and deliver any communication-related solution.