A biomedical engineer with expertise in the following fields
1. Engineering
a. Biomechanics – Data analysis and algorithm development in MATLAB
b. Bioinstrumentation – Circuit simulation
c. Biosignal processing – Firmware and Algorithm development in MATLAB for physiological signals
d. Statistical analysis - IBM SPSS, MATLAB
e. Machine learning – Algorithm and model development in MATLAB and Python
f. Generative AI - Chatgpt
2. Documentation skills
a. Literature survey and its summary
b. Thesis writing
c. Manuscript writing for journals – editing and proof reading
d. Editing of References and Plagiarism checking
e. Reviewing of articles
f. Project Proposal writing and Report writing
g. Content writing and analysis
3. Product development
a. Medical device development - Design requirements, idea validation and concept generation, minimal viable product development.
4. Miscellanous
a. Data entry
b. Document Formatting
c. Translation
d. Product reviews and surveys
e. Transcribing
f. Project management
Software tools: Arduino, MATLAB, Pycharm, Spyder, IBM SPSS, BTS Motion Analysis software, HDF Viewer, Post processing using BTS Motion analysis and Xsens software, Grammarly
Platforms: MATLAB, Simulink, LabVIEW, Multisim, Arduino, Eagle, Atmel, IAR Embedded Workbench, BTS Gait Lab, SPSS, Xsens , Grammarly
Hardware: ATMEGA 168, ATMEGA 328, ATSAM3X8E ARM Processor, MSP 430
Programming languages: C, Embedded C, Python, MATLAB
Biomedical data acquisition systems: BTS Motion analysis, Delsys system, Biopac for EMG and EEG, Pulse oximeters, Pressure Profile System, Brain products, Neuroelectris, Metabolic analyser – VO2 Max analyser and COSMED K5 analyzer.
MATLAB
Machine Learning
Python
Statistical Analysis
Report Writing
Data Entry
Biomechanics
Editing & Proofreading
Content Writing
Biomedical Engineering
Arunkumar V A.
Chennai, India
$15/hr
5.0
9 jobs
Are you a Start-up Medical billing company and growing quickly but not getting the maximum reimbursement for the services provided by the physician?
Are you currently facing issues with Verification of benefits, Coding, Billing for previous as well as current months of services, Rejections control, Timely follow-up of all unpaid/denied claims, payment posting?
Are you having difficulty responding to the provider within turnaround time?
One stop solution for all your billing and coding services provided by a CPC certified professional.
I offer freelance healthcare revenue cycle services, working with carefully chosen healthcare providers and organizations, and focusing on high-quality, one-on-one services.
Services offered:
A.✅ Patient Demographics and Charge Entry.
B.✅ Patient Eligibility & Benefits verification.
C.✅ Coding, Claim submission, Payment Posting.
D.✅ Rejection control, Denials Management
E.✅ Customer service.
• Billing software familiar with:
Software: Eclinical works (ecw), EPIC, Retool.
Clearing house: Change healthcare (Emdeon), Office Ally, Claim MD.
Regards,
Arun Kumar CPC
Medical Billing & Coding
Gunasekaran V.
Chennai, India
$15/hr
4.2
5 jobs
SUMMARY:
20 years of IT experience in Health care domain (PACS, RIS), Image Processing, OCR (Optical Character Recognition), DICOM, OHIF Viewer, HL7 and Web Scraping. Developed Medical Imaging Applications and various other application using C++, VC++, MFC, STl, ATL, Python(Flask, Django), VB.NET, C#, HTML, CSS, JavaScript, Node JS, Typescript, Vue JS, React, react JS, Cornerstone JS, DCMTK, DCM4CHEE, KeyClock, MATLAB, Tesseract OCR, Imagemagick, Ghostscript, Intel IPP 4.0, OpenCV, FFmpeg, GStreamer, DirectX, OpenGL, MetaDraw, Lead tools, DicomObjects, Leptonica, GDI+, ITK, VTK, FLTK and QT. MS Sql server, MySql and PostgreSql. Hands on experience in HealthCare Imaging Standards DICOM 3.0 using Python, C++ and also experience in OHIF Viewer customization.Developed various modules using OpenCV algorithms and OCR application using Tesseract tool. Semi integration between POS and credit card terminals using OCR (sending data to terminal which captured data from POS software). 2 years’ experience in Trade Finance. Convert NonDICOM files to DICOM files. Barcode Recognition and Decoding. Developed Multi Media Applications using FFMpeg, GStreamer. AI imaging models to identify the prostate cancer using MRI images. Having experience in DevOps also.
C++
VB.NET
C#
Python
Django
Flask
Node.js
JavaScript
TypeScript
Vue.js
React
Cornerstone Content
OpenCV
DICOM
Tesseract OCR
Prasad S.
Chennai, India
$10/hr
5.0
5 jobs
I am Prasad, a highly accomplished Ph.D. holder in Chemistry and a seasoned Technical Manager with over 20 years of leadership experience. I excel in managing technical teams, providing insightful research guidance, and fostering mentorship for success. My expertise lies in being an Analytical Chemist and Laboratory Manager, specializing in advanced compound analysis, method development, and validation.
Achievements:
** Pioneered innovative extraction techniques for Siloxanes, Amines, Quinoline, and chlorophenols, boosting analysis efficiency.
** Led the successful launch of a global laboratory qualification program, ensuring compliance with ISO 17025 and DAKS standards.
** Orchestrated HPLC method development and validation for diverse samples, optimizing analytical processes.
** Implemented continuous improvement measures ( WCS, 5S, Lean Principles) for enhanced laboratory efficiency.
** Maintained a safe work environment through active engagement in safety programs and rigorous audits.
** Proficiently used LIMS for meticulous documentation, ensuring impeccable data integrity.
** Trained as an ISO 17025 Internal auditor.
** Taking care of sustainability related activities.
Skills:
Chromatography : GC/FID (Agilent), GC/MS, AOX, LC/MS, HPLC-DAD & RI, IC, XRF
Spectroscopy : UV/Vis, FTIR, Mass Spectrometry, BOMB CALORIMETER
Safety and Compliance : Laboratory Safety, Audits, ISO 17025, DAKS, MSDS Review
Methodology : Development, Validation, Continuous Improvement
Documentation : LIMS Management, Data Integrity
Chemical Processes : Instrumentation Techniques, Efficiency Optimization
Software Skills : HPLC , GC ( Agilent ) - Chemstation, Openlab, CDS
HPLC Waters - Empower
Metrohm - Magicnet
FTIR - PerkinElmer-spectrum 100
LC-MS/MS - Analyst
I also have excellent proficiency in the following categories: Research Papers, Scientific Research, Scientific Computation, Researcher, Data Entry, and Manual Data Collection/Web Research.
Let's collaborate to elevate your projects with my extensive experience and expertise in the realm of Chemistry, Analytics, and Laboratory Management.
Chemistry
Microsoft Office
Analytical Chemistry
Laboratory Equipment Skills
Chemical Analysis
Customer Relationship Management
Scientific Research
Research Papers
Scientific Computation
Chemical Engineering
Instrumentation
Technical Analysis
Linear Regression
Quantitative Analysis
Data Analysis
Suresh G.
Chennai, India
$35/hr
4.4
7 jobs
4G/5G mobile-core and high-performance data-plane engineer with 20+ years building carrier-grade UPF, SMF, DPI, and eBPF/XDP packet processing for telecom operators, ISPs, MVNOs, and MNOs.
What Sets Me Apart
I deliver at team scale as a single engineer, using an AI-native, spec-driven development method backed by rigorous automated verification. You get fast, cost-effective delivery at carrier-grade quality.
Flagship: 4G/5G User Plane Function (UPF)
I engineered a carrier-grade 4G/5G UPF (~180K LOC):
• eBPF/XDP data path with lock-free fast paths, ~100x per-core throughput (~10 Gbps/core), scaling to millions of concurrent sessions
• DPI/SDF policy control with 400+ protocol classification, precedence-aware PDR management, and carrier-grade NAT
• single-flow lookup, control-plane scaling, 5G feature support
• built-in REST API and management GUI
It deploys as a 5G SA UPF and as a 4G EPC PGW-U (CUPS), including 5G NSA.
Alongside it I built a full verification toolchain, so delivery stays fast without sacrificing reliability:
• 380+ automated tests with a CI gate
• simulation suite (PFCP/SGW-C/U sims, GTP-U generator)
• client-server UE-experience test system
• IPFIX/IPDR collector and dashboard
Core Technologies
• Mobile core: 5G UPF, SMF, PGW, 4G EPC, CUPS, PFCP, GTP-C/U, SDF/PCC/PCRF, 5G SA/NSA
• Data plane: eBPF, XDP, carrier-grade NAT, DPI, zero-copy packet processing
• Networking: TCP/IP, IPv6, NAT, VPN, routing, SNMP, Netflow/IPFIX, VoIP/SIP
• Security: NIDS/NIPS, IDS/IPS, transparent TLS/SSL inspection, AAA, RADIUS, 802.1X
• Platforms & languages: Linux kernel, OpenWrt, Go, C, C++, Python; Prometheus, Grafana, REST/OpenAPI
Key Project Experience
4G/5G Mobile Core & User Plane
• XDP-accelerated SGW-U (Go + eBPF) interoperating with a 4G SGW-C over PFCP/Sxa, with in-kernel GTP-U forwarding (3GPP TS 29.244 / 29.281).
• SMF control-plane enhancements: dynamic REST configuration, per-APN PCC rules, and IP-pool allocation for 4G/5G CUPS deployments.
Security Gateways
• Modular multi-VLAN NIDS/NIPS, inline gateway anti-virus, and transparent TLS/SSL inspection (HTTP/S, SMTP, FTP) for ISP and enterprise security gateways.
• Full dual-stack IPv6 (NAT64/NAT66, DNS64, transparent proxy) on a high-performance XDP/eBPF data path.
WLAN & Wireless
• Enterprise/MSO WLAN platforms: RF management, IDS/IPS, VLAN, WIDS, and multi-vendor AP management.
• AAA, RADIUS, LDAP/AD, and 802.1X access control; authored SNMP MIBs and integrated with operator OSS/BSS systems.
Network Management & Automation
• Universal NMS for SNMP-based IoT devices with plug-and-play onboarding, zero-touch provisioning, and auto-discovery.
• Automated statistics, reporting, and real-time analytics with Prometheus, Grafana, Bash/Lua, and cloud integration.
APIs & Web Interfaces
• OpenAPI-compliant REST APIs and modern web GUIs for policy management and real-time analytics.
Legacy & Hybrid Networking
• Service Connection Manager (SCM) for Cisco 6400 UAC, and SNMP-based device discovery for large-scale enterprise and ISP/MVNO/MNO deployments.
Why Choose Me
• 20+ years turning high-level concepts into commercially viable, production-ready products.
• AI-native delivery: team-scale output as one engineer, with automated testing keeping quality carrier-grade.
• Proven leader and mentor of global teams (up to 40 engineers) across the USA, China, and India.
• Clear communicator, strong at remote collaboration, requirements analysis, and client engagement.
• Remote-first worldwide; reliable, long-term, and fully invested in your success.
What I'm Looking For
• Long-term contracts (6 months or longer) where I own core product development as part of your team.
• If you want a reliable, long-term technical partner, let's connect and build something great together.
C++
Software Development
Product Development
C
Linux
SNMP
Network Access Control
Firewall
Routing
Iptables
Kernel
WiFi
Network Engineering
Network Analysis
Vimalraj D.
Chennai, India
$15/hr
4.9
7 jobs
PCB & Hardware Design Expertise: Skilled in end-to-end design and development, from concept to production.
Tool Proficiency: Experienced with industry-standard platforms including Altium Designer, Cadence Allegro, Mentor Pads, Expedition, and KiCad.
Advanced Capabilities: Proficient in Gerber analysis using CAM350, reverse engineering up to 14-layer boards, tool-to-tool migration, PDF conversion, and Gerber conversion.
Component & Footprint Design: Strong in footprint creation with complex components and precision soldering of 0402 SMDs, QFN packages, through-hole parts, controllers, and ICs.
Collaboration & Scalability: Partnering with engineers and product teams to translate requirements into practical, scalable designs that support innovation.
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