Hire the best Java Developers in Massachusetts

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$45 hourly
William M.
- 5.0/5
- (5 jobs)
A full stack developer. Here to help with front and back end web development. Experience working with JavaScript, React, PHP, SQL, among other skills.

Java
WordPress Plugin
Vue.js
Python
SQL
PHP
TypeScript
jQuery
JavaScript
HTML
React
Node.js
WordPress
CSS
$25 hourly
Sarthak K.
- 5.0/5
- (4 jobs)
I'm a full stack software engineer with a great interest in learning new technologies and finding the best solution for any given problem. I have 10+ years of professional experience as a software engineer and have worked primarily in C# .NET for backend. I also have frontend experience and have used HTML, CSS and several JS frameworks such as Angular and Vue. Experience using AWS, GIT, and developing REST APIs.

Java
Angular 10
Angular 2
.NET Core
CSS
HTML
Git
Vue.js
.NET Framework
C#
$90 hourly
Rafael Z.
- 4.9/5
- (27 jobs)
Unity3D Generalist | Computer Scientist | 8 Years of game Programming | Mobile Full Cycle Game Development Specialist ✅ I have provided game development services to - Individuals wanting to test out concepts and designs - Individuals seeking to test ideas on the market (Android/IOS) - Teams and Game Studios requiring a prototype, an MVP, a production-ready game. - Communities seeking to captivate their audience through a video game ✅ Developing games in the following genres - 2D Physics based Shooters, Physics based Puzzles - 2D board games, Word Games - 2.5D Rogue-Like - 3D Runners, 3D Car Racing, TPS - Casual, Hyper Casual, Idle, Clickers - Real Time Multiplayers - Metaverse, NFT-Enhanced ✅ With technologies such as: - Unity3D, C#, Visual Studio, Android Studio, xCode, Libgdx, Java - Microsoft Azure Playfab, Azure Functions, Photonengine, RPCs - Firebase Analytics GA4, Unity Analytics, DevToDev Analytics, Firebase Messaging, Facebook SDK - AWS: Lambda, API Gateway, IAM, EC2, Secrets Manager, Amazon Redshift, Unity3D AWS SDK - Kochava, Applovin Max Mediation, Applovin, Unity Ads, Admob, In-game world ads - ERC-20 Smart Contract Integration, Chainsafe, Moralis - Figma, Notion, Jira, Trello - Git, Source Tree, Plastic SCM - Unity: Cinemachine, Native UI, Character Controllers, A* Pathfinding, tweens, mesh deformers, Fbx/Obj handling, and many other assets from the Unity Asset Store ✅ Common Responsibilities - Lead game engine development, ensuring robust and functional gameplay foundations. - Transform customer requirements into efficient, maintainable code. - Oversee key game features, coordinating with team members for timely delivery. - Manage project timelines and milestones, demonstrating strong organizational skills. - Direct performance optimization across various devices to enhance user experience. - Contribute creatively to game design and audio elements. - Innovate with gameplay prototypes and feature development. - Document processes and uphold high-quality production standards. - Develop animation state machines for characters, objects, and environments. - Independently manage tasks, ensuring efficiency and effectiveness. ✅ AGILE GAME DEVELOPMENT As an experienced Unity developer, I possess the expertise necessary to deliver high-quality products with efficiency, awareness and leadership. I am equipped to handle both large-scale Unity projects and smaller prototypes, adeptly adapting to meet the specific needs and requirements of each project. ✅ , MOBILE APP INDUSTRY As a Unity3D specialist with a strong focus on mobile development, I bring a wealth of expertise and a deep understanding of the nuances and demands of mobile platforms. I bring a comprehensive skill set encompassing performance optimization, KPI-Driven-Development, Effective ad systems, ad mediation setups, A/B/C/D/E testing and many other mobile-specific technicalities faced when uploading apps to both Google Play and the App Store. ✅ Currently Learning - MMO Architecture Significant courses: Assembly Language, Theory Of Computation, Design and Analysis of Algorithms, Automata Theory, Machine Learning, Computer Vision, Software Engineering, Discrete Math, Numerical Analysis, Calculus, Linear Algebra Scroll down below to browse almost all the game development ventures I have been a part of.

Java
In-App Advertising
Android
In-App Purchases
iOS
libGDX
Prototyping
C#
In-Game Advertising
WebGL
Object-Oriented Programming
Blockchain
Game Development
$175 hourly
Leo K.
- 5.0/5
- (1 job)
What I have done in a nutshell: - Designed, built, and maintained multiple mobile and web apps, cloud infrastructure, and architecture roadmap. - Assisted clients in migrating to AWS and Azure Cloud. - Helped clients solve complex technological, security, performance, and scalability problems. - Assembled, mentored, and led talented, passionate, and hardworking teams. Domain expertise: - Medical and clinical trials - Healthcare, pharma, and medical devices, including Software as a Medical Device (SaMD) - Validated software development in regulated areas such as FDA approval, HIPAA, GDPR, etc. - IoT - Financial and insurance - Retail management and operations - Human resource management - Big Data Analytics - Diabetes management My passion is delivering innovative, modern, and high quality software products to my clients. I build long term relationships. Our clients come back and refer others. As a software engineer and architect at heart, learning new technologies and new methods and applying them in the day to day work is a never ending endeavor. As a technical leader I understand a successful project requires constant attention to the client's needs and the needs of the team. Efficient teams understand and share vision with the client and among themselves, and have a strong, positive culture. I make it a personal responsibility to ensure the success of every project. Please refer to my LinkedIn profile for additional information and recommendations. Leo Kudryavtsev

Java
Microservice
Mobile Development Framework
Kubernetes
Bluetooth
JavaScript
Amazon Web Services
Cloud Computing
Docker
API Development
Big Data
Architectural Design
$40 hourly
Daniel D.
- 5.0/5
- (3 jobs)
Lead developer for a VR arcade, a degree in computer science and frequent hack-a-thon attendee. I have worked with Unity3D for over8 years on games and applications including virtual reality for Vive, Oculus, Windows MR, and HoloLens. I like to experiment with new tech and tools which gives me a lot of choices on how to design systems and solve problems.

Java
Game Development
Unity
React
Python
C++
Prototyping
JavaScript
Game Design
Virtual Reality
$40 hourly
Lucas R.
- 4.9/5
- (7 jobs)
🚀 Full-Stack Software Engineer | Next.js & React.js Specialist | Computer Science Enthusiast 🚀 Greetings! As a seasoned Software Engineer and Computer Science aficionado, I combine academic rigor with real-world expertise to craft web solutions that are both efficient and elegant. Why me? ✓ Frontend Virtuoso: With extensive experience in Next.js and React.js, I create intuitive, responsive, and user-centric interfaces. ✓ Data Dynamo: Expertise in PostgreSQL ensures your backend is robust and ready for scale. ✓ Python Practitioner: Whether it's scripting or data manipulation, I leverage Python to elevate your project's versatility. ✓ Linux Lover: Adept with Linux OS, I can optimize environments, troubleshoot issues, and streamline deployments. ✓ Holistic Thinker: My Computer Science background allows me to approach problems methodically, ensuring solutions that are both innovative and sustainable. Partner with me to translate your tech goals into polished, high-performance realities. Ready to embark on a transformative digital journey? Let's chat! 🌟

Java
Computer Science
CSS
WordPress
SQL
Next.js
HTML
GraphQL
Python
JavaScript
Node.js
React
$35 hourly
Rob S.
- 5.0/5
- (3 jobs)
Quality Engineering Leader that displays both soft skills and technical skills with over a decade in software engineering quality departments, and nearly 2 decades in technical roles. Playwright Test Automation Expert I am highly technical and willing to take on any task from data entry, technical support, manual QA, Scripting and full quality automation frameworks front and backend. I also provide test automation services for end-to-end testing and Api testing.

Java
Selenium WebDriver
Robot Framework
Rest Assured
QA Testing
QA Engineering
QA Management
Software Testing
Customer Support
Python
$160 hourly
Ben B.
- 5.0/5
- (3 jobs)
Highly skilled software engineer with extensive experience in software architecture and development and expertise in solving the most complex problems in the most optimal ways possible. Always adhering to the highest standards and best practices, I specialize in building highly robust, scalable, efficient, versatile and accurate systems. I furthermore have years of experience in leading and mentoring engineering teams. Having completed more immensely large complex projects than I can count, as well as many small simple projects, both individually and in a team-setting, I have a proven track record of being able to take on any task and delivering great results. I thrive on problem-solving, tackling challenges and delivering creative solutions.

Java
J2EE
Artificial Intelligence
Redis
PostgreSQL
Software Architecture & Design
Database Architecture
Software Development
Amazon Web Services
PHP
MongoDB
MySQL
NoSQL Database
JavaScript
API Integration
Python
$40 hourly
Lev R.
- 5.0/5
- (1 job)
I am a front end web developer who is looking to get more experience in creating and designing new websites. I have a strong background in HTML, CSS, and Project management - Knows HTML, CSS, WordPress, and PHP - Full project management from start to finish - Regular communication and touch points throughout the project

Java
Python
PHP
WordPress
SQL
CSS
HTML
$35 hourly
Max B.
- 5.0/5
- (1 job)
I am a fifth-year at Northeastern University's Khoury College of Computer Sciences studying Computer Science with a concentration in Artificial Intelligence. I am experienced in building full-stack web applications, but my expertise is in the front end. - Most familiar with MERN tech stack for full stack development (MongoDB, Express, React, Node) - Very familiar with Java - Great communicator and teammate

Java
Back-End Development
Front-End Development
AWS IoT Core
Amazon S3
NodeJS Framework
Full-Stack Development
AWS Lambda
Git
MongoDB
C++
Python
TypeScript
JavaScript
React
$50 hourly
Joshua S.
- 4.7/5
- (3 jobs)
As a software developer and team leader experienced in building applications and sites, I work with clients to bring ideas to fruition, as well as help maintain and extend existing applications. - Swift, Java and C++ are my primary software languages - Experienced developer, scrum master and product owner

Java
Scrum
C
Leadership Skills
iOS Development
Swift
Agile Software Development
C++
$75 hourly
Aksel A.
- 5.0/5
- (4 jobs)
Aksel is a top 1% software and data engineer with extensive experience in highly scalable compute-intensive workflows, web/mobile application development, and data/cloud engineering. 🔶Services ✔Cloud Architecture: Expertise with the full AWS product suite (Serverless Lambda, ECS/EKS, Cognito, DynamoDB, CloudFormation, SQS, SNS, EventBridge, etc.), Docker, Kubernetes, and Terraform. ✔Web/Mobile SaaS Development: Proficient in Node.js, Django, Java Spring, .NET Core, GraphQL, React, ServiceStack, NestJS, Next.js, Angular, and React Native. ✔Data Engineering: Skilled in MySQL, MS-SQL, PostgreSQL, T-SQL, SQLite, MongoDB, Redis, Kafka, Atlas, SOLR, and Elasticsearch. ✔AI Integration: Experienced with PyTorch, Keras, Matplotlib, Amazon SageMaker, Amazon Lex, OpenAI, and Clarifai. 🔶Industry Aksel's adaptable approach allows him to excel in any industry. He is a fast learner and an active researcher, capable of understanding business needs and translating them into viable digital solutions. 🔶Tenets Aksel is dedicated to code excellence and adheres to industry best practices, ensuring robust, scalable, and maintainable software solutions. His high delivery standards empower teams to achieve their goals efficiently and exceed expectations.

Java
Kubernetes
Docker
Redis
MongoDB
MySQL
PostgreSQL
GraphQL
REST API
C#
Python
TypeScript
Next.js
React
Node.js
$195 hourly
Chris A.
- 5.0/5
- (1 job)
During my 8-year tenure at Amazon as a senior engineer, I have built many products and services including real-time robotic monitoring solutions at Amazon Robotics and most recently on the AWS Simple Storage Service (S3) team launching new cloud services and features. As an ex-Amazonian with 15+ years of experience building software at scale, I'm excited to bring my expertise building world-class products and services to new clients across the globe who are looking to improve their company’s ability to build, launch, maintain and extend their software. While at Amazon, I specialized in control plane and front-end architecture, UI/UX design, test automation, CI/CD, application security, roadmap planning, mentoring junior engineers and more. I received his B.S. in Computer Engineering from Boston University and his M.S. in Electrical and Computer Engineering from Worcester Polytechnic Institute (WPI). In my spare time I love traveling, cooking, baking, hiking, skiing and tennis.

Java
Test Automation
Containerization
CI/CD
UI/UX Prototyping
Figma
Angular
React
Node.js
Cloud Architecture
Full-Stack Development
Front-End Development
API Development
Git
TypeScript
$50 hourly
Victoria G.
- 5.0/5
- (3 jobs)
I am a software developer experienced in building and maintaining applications in many different technology stacks.

Java
Problem Solving
JavaScript
Python
Software Development
$60 hourly
Tri D.
- 5.0/5
- (2 jobs)
Hi there! I'm a seasoned Fullstack Developer with 10+ years of experience building dynamic, scalable, and high-performance web and mobile applications. My expertise spans both front-end and back-end development, utilizing a variety of technologies to create tailored solutions that meet client needs. I am proficient in both AWS (Amazon Web Services) and Azure, helping to create robust, scalable cloud-based solutions and optimize infrastructure. 🚀🚀🚀 Key Skills: ✅ Front-End: React, Angular, Vue, React Native ✅ Back-End: Node.js, C#, Java, Python ✅ Web Technologies: HTML5, CSS3, JavaScript (ES6+), TypeScript ✅ Databases: MongoDB, MySQL, PostgreSQL, Firebase ✅ Version Control: Git, GitHub, Bitbucket ✅ APIs: RESTful APIs, GraphQL, WebSockets ✅ Cloud Services: AWS (EC2, S3, Lambda, RDS, API Gateway, CloudFormation), Azure (App Services, Azure Functions, SQL Database, Blob Storage) ✅ Tools & Frameworks: Express.js, .NET, Spring Boot, Django, Flask ✅ Mobile Development: React Native (iOS & Android) 🚀🚀🚀 What I Can Do for You: ✅ Fullstack Development: From designing user-friendly interfaces to building robust back-end services, I specialize in creating end-to-end solutions for web and mobile platforms. ✅ Custom Web & Mobile Apps: Whether it’s a single-page application (SPA), progressive web app (PWA), or a cross-platform mobile app, I can build it to fit your vision. ✅ Cloud Solutions: I leverage AWS and Azure to provide cloud infrastructure solutions that are secure, scalable, and cost-effective. From deploying apps with EC2 and Azure App Services to utilizing serverless technologies like Lambda and Azure Functions, I can optimize your infrastructure. ✅ API Development & Integration: I create powerful, scalable APIs and integrate them seamlessly into your applications to enhance functionality and user experience. ✅ Performance Optimization: I prioritize fast, responsive applications by optimizing code, assets, and server performance, while leveraging cloud services for scalability and reliability. ✅ Cloud Architecture: I design cloud architectures using AWS and Azure that ensure applications are highly available, resilient, and scalable. 🚀🚀🚀 Why Work With Me: ✅ Quality: I write clean, maintainable code with a focus on high performance and scalability. ✅ Communication: I believe in clear, consistent communication throughout the development process to ensure your vision is realized. ✅ Timely Delivery: I am dedicated to delivering high-quality work on time and within budget. ✅ Problem Solver: Whether it’s a technical challenge or optimizing a project for better performance, I take a solution-oriented approach. Let’s collaborate to bring your project to life, whether it's leveraging AWS or Azure for cloud infrastructure, building scalable apps, or optimizing your existing applications. I’m ready to help you achieve your goals. 👉👉👉 Feel free to contact me for any inquiries, and I’d be happy to discuss how I can contribute to your next project!

Java
Automation
UiPath
AWS Lambda
C#
Vue.js
PHP
Git
JavaScript
Node.js
API Integration
TypeScript
Python
API
React
$50 hourly
Simon T.
- 5.0/5
- (62 jobs)
I'm a Boston local web developer with 8+ years of programming experience. I specialize in fixing other people's bugs and providing support for software that are no longer maintained by their original authors. Experience: - Designing, building and maintaining a custom LAMP Stack CRM to manage and track the company’s real estate properties. - CRM system integration with Amazon and Google APIs. - Independently adding and improving UX designs & features in the CRM for enhance usability and accessibility. - Monitoring and updating SEO content & web security across multiple domains and WordPress sites. - Creating and writing iMacros & CRON scripts for automatic database population & cleanup, auction notifications, and other misc tasks. - Providing IT support and troubleshooting for staff members. - Setting up servers, computers, remote accesses, printers, email & windows accounts. - Researching hardware/software specifications & pricing, and, communicating with other IT companies/services. - Coordinating and conducting system maintenance, web hosting & server migrations. - Collecting and gathering leads from various real estate databases and websites.

Java
WordPress
JavaScript
PHP
Amazon Web Services
MySQL Programming
Apps Script API
$70 hourly
Michael W.
- 5.0/5
- (37 jobs)
Are you in need of a versatile software developer who can tackle a wide range of challenges with precision and expertise? Look no further! With over 13 years of experience in the dynamic world of software development, I've honed my skills across multiple domains, allowing me to seamlessly navigate the complexities of modern technology landscapes. My passion lies in crafting elegant solutions to complex problems, and I thrive in environments that demand creativity, adaptability, and technical prowess. 🌐 Full-Stack Web Applications: From conception to deployment, I specialize in developing robust, scalable web applications that prioritize user experience and performance. Whether it's designing intuitive front-end interfaces or architecting resilient back-end infrastructures, I have the skills and know-how to bring your vision to fruition. 📊 Data Integration, Acquisition, and Migration: As a seasoned specialist in data integration, I thrive on orchestrating seamless solutions that empower organizations to leverage the full potential of their data assets. Whether you're streamlining disparate data sources, executing complex data migrations, or optimizing data workflows, I possess the expertise to ensure a seamless transition and maximize efficiency. 💡 SaaS Development: I specialize in architecting and developing Software as a Service (SaaS) solutions that drive innovation and scalability. Whether you're building a new SaaS platform from scratch or enhancing an existing one, I have the expertise to design robust architectures, implement scalable infrastructure, and deliver compelling user experiences that set your product apart in the market. My commitment to excellence, paired with a relentless pursuit of innovation, enables me to deliver results that exceed expectations time and time again. Client satisfaction is my top priority, and I take pride in building long-lasting relationships based on trust, communication, and mutual success. I am proficient in the following languages: JavaScript • Ruby • Java • Python • React • PHP • SQL • C • C++ • HTML • CSS • XML • JSON • R • Matlab • Liquid I have worked with MySQL, Postgres and Microsoft SQL Server databases, with a particular strength in Postgres. I also have extensive experience integrating and debugging Shopify Apps and scripts.

Java
Ruby on Rails
Web Development
React
Python
Data Scraping
Scripts & Utilities
JavaScript
Data Extraction
SQL
$120 hourly
Ted Z.
- 5.0/5
- (9 jobs)
Proficient in 11+ programming languages. My Expertise: Full-Stack Web Development: ► HTML, CSS, JavaScript, React, TypeScript, Node.js, Expres.js, Flask, Django, PHP, MySQL, Ruby on Rails, Bootstrap AJAX, REST Object-Oriented Programming: ► C++, C#, Java, Python, Ruby, Android Mobile Application Development System/Embedded Programming: ► C, Arduino, Networking, TCP, UDP, Sockets, Pins, I/O, Servos, Sensors __

Java
React
MySQL Programming
Arduino
HTML
SQL
CSS
Ruby
CSS 3
HTML5
JavaScript
PHP
Python
$75 hourly
Matt B.
- 0.0/5
- (0 jobs)
Agile, full-stack technologist, 20+ years experience working in software development, DevOps/SRE, data science, system architecture, information security, CI/CD automation, cloud integration, and web standards and technologies. I am fluent in Python, Bash, SQL, AWS, Java, Javascipt (ES9), Ansible, Terraform, Kubernetes, HTML5, CSS3, Django, Tomcat, Widget W, Language X, Component Y, Framework Z. If that's a puzzle piece you're looking for, let's chat! I'm new to Upwork; I'm not above bidding low to build some history. :)

Java
Terraform
Ansible
PHP
SQL
Django
Bash Programming
Linux System Administration
CI/CD
AWS Application
Ruby
JavaScript
Python
DevOps
Cloud Architecture
$85 hourly
Mia K.
- 4.4/5
- (13 jobs)
Hello, my name is Mia. I am a top rated plus Upwork contractor and experienced software and web developer. I specialize in unique and modern websites that look good on any device. Check out my portfolio at miakotalik.com. I would love to work with you! Specialties: e-commerce | API integration | data visualization | Full-stack Education & Certifications: - Northeastern University College of Computer and Information Science - Javascript Certification - C# & .NET Certification - WordPress Certification - Advanced SEO Certification Languages: - HTML/CSS - JavaScript (Node, React, JQuery) - Java - Python - Ruby (Ruby on Rails)

Java
HTML5
CSS
HTML
WordPress Plugin
WordPress
HTML Newsletter
Web Design
Web Application
Web Analytics
Email Marketing
JavaScript
Python
$20 hourly
Kamran Y.
- 5.0/5
- (25 jobs)
🥇 Top Rated - Trusted by clients across various industries ⏰ 18+ years of experience in e-commerce and web development ✅ Over 200 successful projects delivered 🙂 100% client satisfaction across multiple platforms ⭐️⭐️⭐️⭐️⭐️ With more than 18 years of experience, I’ve worked with clients ranging from small businesses to large-scale enterprises, delivering high-performance e-commerce solutions. My expertise lies in developing customized e-commerce stores with WooCommerce, WordPress, Node.js, Laravel, PHP, and Vue.js, focusing on conversion optimization and delivering measurable results. ✅ Core Specialties: I specialize in creating high-converting e-commerce websites with WooCommerce and WordPress, complemented by scalable backend solutions using Node.js, Laravel, PHP, and Vue.js. My services include: 🛒 Custom WordPress Development 💻 WooCommerce Store Setup & Management 🎨 Theme and Plugin Integration 🪝 WP Hooks Implementation 🔧 Custom Plugin Development ⚙️ Node.js, Laravel, PHP, and Vue.js Backend Development 📄 Laravel Blade Templates 🔌 API Development, OAuth, JWT / Laravel Passport 🗃️ Jobs / Queues, Events, and Livewire 🌐 WordPress Multi-site Expertise 📈 SEO & Speed Optimization, Google Tag Manager (GTM ), Google Analytics (GA, GA4) 📱 Responsive Design & Mobile Optimization 🔄 E-commerce Platform Migrations 🏢 Membership Sites & Directory Integrations 🔗 API Integrations for Enhanced Functionality 🗺️ Google Maps, Live Chat, and Analytics Setup 📧 Mailchimp & Newsletter Integration 🎨 WordPress Elementor & WooCommerce Customizations 💻 Tech Stack: Mobile Development: React Native, Flutter, Android, iOS Back-End: Java, Spring Boot, Node.js, Nest.js, PHP/Core PHP, Laravel, Symfony, CodeIgniter, Java, Springboot Front-End: Angular, React (Redux, Saga, NGRX), Next.js, HTML/HTML5, CSS/CSS3, Twitter Bootstrap 3/4 MERN Stack: MongoDB, Express.js, React, Node.js MEAN Stack: MongoDB, Express.js, Angular, Node.js MEVN Stack: MongoDB, Express.js, Vue.js, Node.js Data Visualization: Highcharts, Chart.js, D3.js Database Management: Neo4J, QuestDB, MySQL, PostgreSQL, MongoDB REST API Development & Integrations: Stripe, Google, Facebook, Salesforce, and more WordPress eCommerce: WooCommerce, theme/plugin development, site optimization AWS: EC2, S3, RDS, CloudSearch, Lambda, VPC, Elastic Beanstalk, CodePipeline, ECS, SQS, CloudFormation, CloudFront, CloudWatch, IAM, ECR, Fargate, Elastic Load Balancer, Serverless, Infrastructure as Code, Automation, AWS Security Best Practices. Data Engineering: MapReduce, Polars, NumPy, AWS EMR, AWS, Spark, Python, Data Warehouse, Data Lake, Cloud, SQL, Kafka, Docker, PySpark DevOps: Jenkins, CircleCI, CI/CD, Docker, Kubernetes, Terraform, Microservices, Containerization, DevOps pipelines, Monitoring and logging, Automation, Infrastructure as Code, and Security Best Practices. Git Tools: Git, Bitbucket, GitLab, Git Action Why Me? ✓ 10+ years of experience in building scalable e-commerce solutions ✓ Proven Success with over 200 completed projects ✓ 100% client satisfaction and commitment to excellence ✓ Dedicated support even after project completion ✓ Expertise in custom development with WooCommerce, Node.js, Laravel, PHP, and Vue.js ✓ Attention to Detail and Timely Delivery ★ I aim to give my clients exactly what they need and guide them throughout the procedure. In short, my client's success is my success. Click "Invite" to discuss your project and explore innovative solutions. 💬

Java
API
MySQL
JavaScript
Python
React
Node.js
Amazon Web Services
Full-Stack Development
Ecommerce
WooCommerce
WordPress
API Integration
Laravel
PHP
$25 hourly
JAMES L.
- 5.0/5
- (1 job)
I'm a Freelance Data Analyst with experience in handling small to big datasets of businesses and organizations. I have done many big projects and data collecting from Websites and others in order to practice my Machine Learning skills as well. Whether you want to get an insight into your business or organization and find out the core problems, I can help! Let me tell you about my Data Analytics Process: For Python: I will understand the dataset thoroughly, try to pull out possible questions and problems to answer and provide insights for the business. Start Importing Data (whether to access databases or collect data from the company). Data Wrangling: I will start preprocessing the data (dealing with Missing values, NA, blanks, etc, Data Formatting, Normalization, or Binning). Exploratory Data Analysis: In this stage, I will use Python to summarize the characteristics of the data, and the relationship between data, and extract important variables. Model Development: I will use Linear Regression or Multiple Linear Regression to fit a model with predictor variables and Target variables. For Excel: Define the Objective: I will clearly define the objective of my data analysis. Determine the specific questions you want to answer or the insights you want to gain from the data. Data Preparation: Import the relevant data into Excel. Ensure that the data is clean, complete, and organized. This may involve removing duplicates, fixing errors, formatting data appropriately, and structuring the data in a way that facilitates analysis. Data Exploration: Explore the data to gain an understanding of its characteristics and identify any patterns, trends, or outliers. Utilize Excel's built-in tools such as sorting, filtering, and conditional formatting to manipulate and visualize the data. Data Cleaning: Clean the data further by handling missing values, correcting inconsistencies, and transforming data if needed. Excel provides various functions and tools, such as IF statements, VLOOKUP, and data validation, which can help in cleaning and transforming the data. Data Analysis Techniques: Apply relevant data analysis techniques to extract insights from the data. This can include calculations, statistical analysis, and data modeling. Excel offers a wide range of functions, formulas, and built-in features like PivotTables, charts, and regression analysis that can be utilized for data analysis. Data Visualization: Create visual representations of the analyzed data to communicate findings effectively. Excel provides tools for creating charts, graphs, and dashboards that can be customized to present the data in a visually appealing and informative way. Interpretation and Insights: Analyze the results of my data analysis and interpret the findings. Identify key patterns, trends, relationships, or correlations that answer the initial questions or provide valuable insights. Draw conclusions and document my findings for reporting purposes. Validation and Sensitivity Analysis: Validate my analysis by performing sensitivity analysis or testing different scenarios. This helps assess the robustness of my findings and understand how changes in variables or assumptions can impact the results. Reporting and Documentation: Document my analysis, including the methodology, assumptions, and key findings. Prepare a comprehensive report or presentation summarizing the analysis and its outcomes. Utilize Excel's formatting options, text boxes, and headers/footers to create a professional-looking document. Iterative Process: Data analysis is often an iterative process. Review my findings, seek feedback from stakeholders, and refine my analysis if needed. Continuously update and iterate on my analysis as new data becomes available or as the project progresses. For SQL: I have used SQL for almost 3 years now and I am interested in using it for Data Retrieval, Data Manipulation, Aggregation and Summarization, and Data Integration. But for specific projects and freelancing, I would usually use Python, Excel, and Power BI to analyze and visualize the data. For Power BI: As a freelance myself, I would import data into Power BI after cleaning and transforming (by Excel or Python). Then I would do any numerical manipulations and text manipulations so I can proceed to visualize the data. If we have multiple tables for our project, I usually do Data Modelling within Power BI to have the tables relate to each other.

Java
Visualization
Database
MySQL
Database Management System
Business Management
Microsoft SQL Server
Data Mining
MySQL Programming
SQL Programming
Cognos
Microsoft Excel
Matplotlib
SQL
Data Visualization
$90 hourly
Scott P.
- 0.0/5
- (1 job)
CAREER OBJECTIVE Dedicated professional with over 15 years of experience in mobile development, incorporating critical thinking, problem solving, and leadership. Results driven, with an appreciation for design, who thoroughly enjoys working with others to collaborate and build best in class apps.

Java
Agile Project Management
Product Development
API Development
Apple Xcode
iOS Development
Android App Development
Kotlin
iOS
Android
Swift
Objective-C
$100 hourly
Sunhyun M.
- 5.0/5
- (2 jobs)
Software Engineer with a Bachelor's in Computer Science and 4 years full-time work experience in full-stack web application development (UI, API, and Database development), including documentation, analysis, design, coding, unit testing, automation testing, CI/CD, infrastructure/integration, implementation, and maintenance.

Java
.NET Core
DevOps
React
Angular
JavaScript
Entity Framework
.NET Framework
SQL
C#
Java Persistence API
TypeScript
$20 hourly
Eddie T.
- 5.0/5
- (1 job)
Accomplished Principal Software Engineer with a proven track record of delivering impactful solutions through expertise in Spring and Java technologies. • Programming Languages: Java, C++, Python • Spring Framework: Spring Boot, Spring MVC • Web Technologies: React.js, REST APIs • Cloud Platforms: Amazon Web Services (AWS) - S3, Kinesis, EC2, Beanstalk • Databases: MySQL, SQL, Redshift (ETL) • Software Development Practices: Object-Oriented Programming (OOP), Agile, Test-Driven Development • Monitoring and Analytics: Datadog, New Relic, Sumo Logic

Java
MySQL
React
Spring Boot
Amazon Web Services
$40 hourly
Eden A.
- 4.7/5
- (2 jobs)
I am a Software Engineer with strong fundamentals in data science, web and mobile application development, data management systems, cybersecurity, and applied machine learning looking to leverage my expertise and passion looking to craft inventive solutions that drive positive change.

Java
Hyperparameter Tuning
Feature Engineering
Data Analysis
Project Management
NodeJS Framework
JavaScript
Full-Stack Development
Machine Learning
Data Science
MongoDB
PostgreSQL
MySQL
Python
Back-End Development
$55 hourly
Steve D.
- 0.0/5
- (3 jobs)
I am an American working in the USA. For the previous six years, I had been working from Europe as a contractor. English is my native language. Spanish is my second language. I have also studied numerous other languages. In addition to software development as a contractor, I tutor students online in both computer science and the English language.

Java
PHP
Node.js
Angular
Artificial Intelligence
Prolog
Lisp
Basic
C
TypeScript
JavaScript
Python
C#
C++
Web Development
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