Profile:
9+ years of experience in Software Testing which includes understanding the system under test and functional requirements, and creating the needed test assets to perform necessary functional and non-functional testing.
My recent experience was working as a QA with Virtual Presenz Inc. and I had worked with Multi National Organisations like Accenture, Herbalife and Misys.
I have also contributed to the Steller Payments as a freelancer through Upwork.
I have worked in Agile software release eco-system, staying up to date with daily scrum and give clear status about my work on what’s completed, what’s that I would be working on and what’s blocking my current work deliverables.
Raising risk at the right time and highlighting the severity of the issue is something I believe is a must and strong skill a QA should possess, which helps the team to set proper priority around the issue. I am currently working as a QA Engineer at Virtual Presenz Inc., where I ensure system compliance with stringent safety standards through automation testing using Python and Selenium.Beyond QA, I have experience working with AI microservices, integrating them into web dashboards to display security analytics metrics, including Crowd Analytics, Weapon Detection, and Environment Analytics.
I have also contributed to basic UI development by:Writing efficient, testable code using Flask and Python best practices.Developing responsive user interfaces with Material Dashboard and HTML/CSS.
Before that I have experience working with eCommerce organization , where I was tasked to maintain the end to end software quality of an eCommerce Distributor Administration web application, which is hosted in a cloud eco-system. Prior to that I have experience in working with Business and Finance domain.
These are some of the testing tools I’m proficient in but not limited to, Quality Center, Test Foundation Server and Jira including Tracking, Traceability, Execution, Reporting and Management.
I enjoy working very closely with Business Analysts, Product owners, developers and my QA peers for proper understanding of the Product functionality and its nuances to test the application in maximum possible detail but also be efficient with my time.
I have created detailed status reports and templates to inform the stakeholders about the daily progress and risks/dependencies with other teams.
Succesfully completed Prompt Engineering Certification – edX in 2025
Completed Python Programming course from Harvard University in 2018
Work status:
Currently on Employment Authorization to work in the United States and I do not require Visa
Sponsorship, however my nationality is Indian.
Jira
Functional Testing
Test Execution
Python Script
SQL
Case
Presentations
Test Development
Information Technology
Python
SQL Programming
Bug Reports
Ben F.
Lexington, Massachusetts
$225/hr
5.0
29 jobs
I'm Ben Feifke, and I help my clients turn their data into their competitive edge.
For the past year, I've been helping small to medium sized businesses discover and leverage the immense value locked in their data as a Top Rated, 5-Star Freelancer on Upwork. I have 10+ years experience as a data scientist and machine learning engineer for top companies, including a publicly listed company and as the founding engineer at a Y-Combinator backed startup.
I've worked across a number of domains, including but not limited to: geospatial data and GIS applications, logistics and transportation, healthcare and medical technology, price optimization, social media data, sentiment analysis, building energy performance and modeling, and more.
Beyond technical excellence in delivering value from data, I'm a clear communicator to audiences of all technical levels. I look forward to getting to know you and your business.
Services I Offer:
- ML/AI Product Development: helping you turn your ML idea and data into a clearly codified vision with an executable roadmap and timeline.
- ML and Data Software Engineering: improving, optimizing, and extending the functionality of your already existing software, ML, or data solutions; I can start a project from scratch or get up and running on your ongoing project in 24 hours.
- Cloud Development: Deploying, monitoring, or improving your software or data solutions in the cloud.
- Business Automation: Optimizing and automating your business processes, enabling you to focus on what really matters.
Why Hire Me:
- Bringing success to your project is my #1 priority
- I respond within 3 hours to any technical issue or question that arises during work hours, 6 days a week.
Qualifications:
- 5+ years working experience as a Senior Data Scientist, Machine Learning Engineer, Data Engineer, and Manager.
- MS Data Science from University of Rochester
- BS Optics from University of Rochester
- Published Data Science blog with 15k+ reads
Skills I Possess:
- Programming Languages: Python (Numpy, Scipy, Scikit-Learn, Pandas, Polars, Keras, Tensorflow), SQL
- Machine Learning Techniques: Regression, Statistics, Gradient Boosting, Maximum Likelihood Estimation, Probabilistic Graphical Models, Deep Learning, Hyperparameter Tuning.
- Data Processing and Transformation: Apache Spark, Python Polars, AWS Glue
- Dashboards: Looker, Tableau
- Cloud: Amazon Web Services (AWS), Google Cloud Project (GCP)
- Data Warehouse, Data Lake, Databases: GCP BigQuery, AWS Athena, PostgreSQL, MySQL, SQLite
- Data Pipelines, Infrastructure, and Orchestration: Apache Airflow, Mage, dbt
- Deployment and DevOps: CI/CD, Docker, Streamlit
Python
Machine Learning
Data Science
Deep Learning
Apache Spark
SQL
Keras
Data Visualization
Data Analysis
Data Warehousing & ETL Software
Apache Airflow
BigQuery
Amazon Web Services
Google Cloud Platform
Data Engineering
Chris C.
Kingston, Massachusetts
$69/hr
5.0
2 jobs
I help government contractors, nonprofits, foundations, and donor-funded organizations turn complex RFPs, grants, and funding opportunities into clear, compliant, and competitive submissions backed by defensible pricing and measurable impact.
I bring 10+ years of experience supporting proposals, budgets, programs, and investments valued from $150K to $350M.
Clients bring me opportunities where the technical narrative, budget, compliance requirements, and impact case all need to work together. I help shape the strategy, strengthen the writing, price the work, test the assumptions, and show why the investment is worth making.
SELECTED RESULTS
• Priced and modeled government and donor-funded opportunities from $150K to $350M
• Guided decisions involving profitability, financial risk, proposal compliance, proposed returns, and pricing trade-offs
• Achieved 25% savings on a $3M corporate community-investment portfolio
• Built Power BI dashboards for financial performance, forecasting, pipeline management, and executive decision-making
• Developed SROI and impact-valuation models that translate social outcomes into credible financial value
PROPOSAL, GRANT & FUNDING STRATEGY
I develop and strengthen proposals across federal, state, local, foundation, corporate, bilateral, multilateral, and other competitive funding mechanisms.
Services include:
• Proposal and grant writing
• RFP, RFQ, RFA, NOFO, and solicitation analysis
• Technical narratives and management approaches
• Compliance matrices and proposal outlines
• Budget narratives and cost narratives
• Foundation and corporate grant applications
• Government contract and donor proposals
• Proposal editing, red-team review, and quality control
• Capture, partnership, and consortium strategy
• Theory of Change, results frameworks, and impact-case development
GOVCON PRICING & FINANCIAL ANALYSIS
I help clients build pricing and financial strategies that are competitive, compliant, and operationally realistic.
Services include:
• Cost proposals and cost volumes
• Financial modeling and forecasting
• Cost realism and price-reasonableness analysis
• Staffing and level-of-effort models
• Scenario, sensitivity, and profitability analysis
• Subcontractor and partner budget reviews
• Cost and price analysis
• Negotiation and audit support
• Excel pricing models
• Power BI dashboards and executive reporting
I do more than make the spreadsheet total correctly. I help ensure the technical strategy, staffing, budget, risk, and expected return support the same decision.
ESG, CSR & SOCIAL IMPACT
I help companies, nonprofits, foundations, and philanthropic funders measure and communicate the financial and social value created by programs and investments.
Services include:
• ESG, CSR, sustainability, and social impact reporting
• Social Return on Investment and financial valuation of social outcomes
• Theory of Change, logic models, outcome frameworks, and indicators
• Community-investment and shared-value strategy
• Stakeholder engagement and social materiality analysis
• Program evaluation and MEL
• SDG and IRIS+ alignment
• Impact dashboards, reports, white papers, and case studies
For private-sector clients, I quantify social outcomes in financial terms and develop reporting that shows what changed, who experienced the change, what value was created, and whether ESG, CSR, or community-investment initiatives delivered a credible return.
WHY CLIENTS HIRE ME
Colleagues describe me as the person who stays calm, gets teams unstuck, and explains not only what needs to change, but why.
I bring financial rigor to proposal development and practical business judgment to impact measurement. That means fewer handoffs, less lost context, and a final submission or report in which the strategy, numbers, evidence, and writing support the same objective.
Bring me the solicitation, draft narrative, pricing model, grant application, ESG framework, or impact report. I will help you find the gaps, strengthen the case, and get the work ready for serious review.
Financial Analysis
Financial Management
Cost Planning
Budget Planning
Budget Proposal
Nonprofit Industry Consulting
Forecasting
Social Impact Assessment
Data Analysis
Proposal Writing
Grant Writing
RFP Writing
Financial Modeling
Pricing Strategy Consulting
Pricing Research
Cost Analysis
Budget
Microsoft Excel
Microsoft Power BI Data Visualization
Corporate Social Responsibility
Mir W.
Braintree, Massachusetts
$40/hr
4.8
230 jobs
𝙁𝙪𝙡𝙡 𝙎𝙩𝙖𝙘𝙠 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙚𝙧 𝙛𝙤𝙧 𝙎𝙖𝙖𝙎, 𝙈𝙑𝙋𝙨, 𝙬𝙚𝙗 𝙖𝙥𝙥𝙨, 𝙙𝙖𝙨𝙝𝙗𝙤𝙖𝙧𝙙𝙨, 𝙖𝙣𝙙 𝙘𝙪𝙨𝙩𝙤𝙢 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙥𝙡𝙖𝙩𝙛𝙤𝙧𝙢𝙨.
Need someone who can connect your frontend, backend, database, APIs, and third-party tools without making the development process complicated?
👨💻 Full Stack Developer using React, Next.js, Node.js, PHP, and MySQL
🚀 SaaS development, MVP development, and custom web applications
🔗 REST API development, payment integrations, and third-party APIs
🛠 New product development, feature additions, debugging, and code improvements
📱 Responsive web applications for desktop, tablet, and mobile
🤝 Direct communication with regular project updates
I help founders, startups, agencies, and businesses turn product ideas into working web applications. I can join at the planning stage, continue an existing build, fix an unfinished application, or add new features to a live product.
You are not hiring separate people for every part of the project. Frontend development, backend development, database work, API integrations, testing, and deployment can all be managed within one development process.
𝗛𝗲𝗿𝗲’𝘀 𝘄𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗯𝘂𝗶𝗹𝗱
𝟭. 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
🔹 Custom web application development from idea to launch
🔹 Frontend, backend, database, and API development
🔹 SaaS platforms, MVPs, portals, and internal business applications
🔹 New feature development for existing web applications
🔹 Testing, deployment, maintenance, and future improvements
𝟮. 𝗥𝗲𝗮𝗰𝘁 𝗮𝗻𝗱 𝗡𝗲𝘅𝘁.𝗷𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
🔹 React.js and Next.js web application development
🔹 SaaS dashboards, admin panels, and customer portals
🔹 Figma to React or Next.js development
🔹 Responsive frontend development
🔹 API-connected pages with search, filters, forms, and live data
🔹 Server-side rendering and frontend performance improvements
𝟯. 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
🔹 Node.js and Express.js backend development
🔹 REST API development and API integration
🔹 User authentication and account management
🔹 Admin, customer, vendor, and staff permissions
🔹 Payment processing, subscriptions, and webhooks
🔹 Custom business logic and automated workflows
𝟰. 𝗣𝗛𝗣 𝗮𝗻𝗱 𝗠𝘆𝗦𝗤𝗟 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
🔹 Custom PHP web application development
🔹 PHP and MySQL backend development
🔹 Database-driven websites and business platforms
🔹 Existing PHP application updates
🔹 MySQL database planning and query improvements
🔹 PHP bug fixing and feature development
𝟱. 𝗦𝗮𝗮𝗦 𝗮𝗻𝗱 𝗠𝗩𝗣 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
🔹 SaaS product development for startups and businesses
🔹 MVP development for testing new product ideas
🔹 Subscription plans and recurring payments
🔹 User onboarding, dashboards, and account settings
🔹 Admin controls for users, payments, content, and reports
🔹 Product improvements based on customer feedback
𝟲. 𝗔𝗣𝗜 𝗮𝗻𝗱 𝗧𝗵𝗶𝗿𝗱-𝗣𝗮𝗿𝘁𝘆 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀
🔹 REST API development
🔹 Third-party API integration
🔹 Stripe and PayPal payment integration
🔹 CRM, email, maps, analytics, and automation integrations
🔹 Webhook setup and data synchronization
🔹 Connecting web applications with external platforms
𝟳. 𝗕𝘂𝗴 𝗙𝗶𝘅𝗶𝗻𝗴 𝗮𝗻𝗱 𝗘𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗪𝗲𝗯 𝗔𝗽𝗽𝘀
🔹 React, Next.js, Node.js, PHP, and MySQL bug fixing
🔹 Completing unfinished web applications
🔹 Fixing frontend, backend, API, and database problems
🔹 Adding features to existing products
🔹 Improving page speed and application performance
🔹 Updating older code without unnecessary rebuilding
𝗖𝗼𝗺𝗺𝗼𝗻 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀
✓ SaaS application development
✓ MVP development
✓ Custom web applications
✓ Business dashboards
✓ Admin panels
✓ Customer portals
✓ Membership platforms
✓ Subscription-based applications
✓ Ecommerce web applications
✓ Marketplace platforms
✓ Booking applications
✓ CRM applications
✓ REST API development
✓ Payment gateway integration
✓ React and Next.js development
✓ Node.js backend development
✓ PHP and MySQL development
𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀
✓ React.js
✓ Next.js
✓ Node.js
✓ Express.js
✓ PHP
✓ MySQL
✓ PostgreSQL
✓ JavaScript
✓ TypeScript
✓ HTML5
✓ CSS3
✓ Tailwind CSS
✓ Bootstrap
✓ REST APIs
✓ Supabase
✓ Git and GitHub
✓ Vercel
✓ AWS
✓ Third-party APIs
✓ Webhooks
𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁
You will receive regular updates and straightforward explanations throughout the project. You will know what has been completed, what is currently being developed, and what comes next.
I also look at the product from a user and business perspective. When a requirement can be improved or simplified, I will discuss the option with you before development continues.
𝙄𝙛 𝙮𝙤𝙪 𝙣𝙚𝙚𝙙 𝙖 𝙁𝙪𝙡𝙡 𝙎𝙩𝙖𝙘𝙠 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙚𝙧 𝙛𝙤𝙧 𝙖 𝙎𝙖𝙖𝙎 𝙥𝙡𝙖𝙩𝙛𝙤𝙧𝙢, 𝙈𝙑𝙋, 𝙘𝙪𝙨𝙩𝙤𝙢 𝙬𝙚𝙗 𝙖𝙥𝙥, 𝙤𝙧 𝙖𝙣 𝙚𝙭𝙞𝙨𝙩𝙞𝙣𝙜 𝙥𝙧𝙤𝙙𝙪𝙘𝙩, 𝙨𝙚𝙣𝙙 𝙢𝙚 𝙖 𝙢𝙚𝙨𝙨𝙖𝙜𝙚.
Mobile App Design
Webflow
Laravel
API
Front-End Development
React
Back-End Development
Node.js
Shopify
Python
PHP
Web Application
WordPress
Stripe
JavaScript
Matthew T.
Westfield, Massachusetts
$42/hr
5.0
22 jobs
My name is Matthew Thomas. I'm a driven young freelancer, and I love numbers! In fact, there is nothing more satisfying to me than making sense of data!
I was formerly a business manager and during that time, I helped that business double their revenue by data tracking and analysis. I've seen first hand how simply understanding your data and refusing to let anything slip through the cracks can transform your business! I've now been in full-time accounting for the last four years and witnessed businesses transform time and time again using clean financials as their basis.
I'm methodical, I have an excellent attention-to-detail, and I double check my work. As a member of your team, I will...
* Manage finances in QuickBooks (online or desktop) or Excel.
* Perform clean-up/catch-up jobs to get your books back on track.
* Handle accounts receivable and accounts payable.
* Perform bank reconciliations to prepare for taxes.
* Prepare Job Costing, Labor Burden, WIP, and Cash Flow reports.
* Audit data tracking processes.
* Manage payroll and commissions.
* Organize and interpret data.
All-in-all, I'm easy to work with and I'd be happy to chat and see if we'd make a good fit. Message me for more information!
Bookkeeping
Data Entry
Payroll Accounting
Intuit QuickBooks
Cash Flow Statement
Accounting Basics
Accounting
Management Accounting
Data Analysis
Emilia K.
Westwood, Massachusetts
$75/hr
4.9
103 jobs
I am a full-time financial professional, U.S.-Licensed CPA, and Certified Fraud Examiner (CFE) offering after-hours support for small businesses and individuals who need to get their books organized, reconciled, and ready for tax season.
My background in accounting and fraud examination allows me to bring a higher level of scrutiny to your daily bookkeeping. If you are behind on your books, struggling with messy reconciliations, or need a reliable professional to ensure your financial data is accurate and secure, I can help. I am a detail-oriented, low-drama freelancer who works directly with you—no outsourcing, no junior staff, and no surprises.
How I can help:
QuickBooks Clean-up: Getting your QBO or Desktop files caught up and accurate.
Bank & Credit Card Reconciliations: Ensuring your records match your bank statements with high precision.
Tax-Ready Financials: Preparing clean, accurate reports so your tax preparer has everything they need.
Operational Hygiene: Setting up your Chart of Accounts and internal processes to ensure your business remains organized and protected from error.
Why work with me?
CPA & CFE Credentialed: You get the benefit of my technical training, professional ethics, and expertise in preventing financial errors.
Direct Professionalism: You work directly with me. I value clear communication and setting realistic timelines.
Part-Time Commitment: I maintain a consistent, part-time freelance practice. I am looking for long-term clients who need steady, reliable support.
Note: I do not perform audits or attest services. My focus is on financial organization, bookkeeping maintenance, and helping you keep your records accurate and stress-free.
Intuit QuickBooks
Bank Reconciliation
Financial Accounting
Account Reconciliation
Tax Preparation
Balance Sheet
GAAP
Financial Reporting
Intuit Proconnect Tax
Bookkeeping
CPA
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