Upstaff Developer Profile Directory

All vetted software engineers you need to build AI, Web3, and data Products.

  • Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
  • Europe, Israel, LatAm, United States, Asia geography coverage
  • Remote and hybrid engagement
  • Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
AEM
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- Having total work experience of 10+ years in Java/J2EE and Adobe CQ5. - Excellent experience in JCR, CRX, and OSGI technologies. - Expert in developing custom CQ components and modifying the out-of-the-box features. - Worked across the whole SDLC including analysis, design, coding, and unit testing. - Worked in Waterfall and Agile Methodology. - Upper-Intermediate English - Available since April 25th
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Seniority Senior
Location Delhi, India
Tableau
Power BI
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- BI professional of waged experience in data analytics, predictive analysis, Google Analytics, Google Ads, Shopify and Omni Chanel Analysis. Experienced in Tableau, Power BI, SAP web intelligence, SQL and VBA. - Have strong conceptual understanding in Telecom, Retail, Banking, NBFI KPI Analysis, Data Visualization, Panel Data Analysis & Omni Marketing Data Analysis.
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Seniority Senior
Location Bangladesh
Tableau
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- 12+years of professional experience as a BI - Client's requirements analysis - Database modeling - Writing SQL scripts - Tableau data sources building - Tableau dashboard building - Intermediate English
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Seniority Senior
Location Zaporizhzhya, Ukraine
Tableau
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- Tableau Developer with 4 years experience in Tableau, 6+ years in BI, developing dashboards, and optimizing processes in Tableau for Retail/Ecommerce companies with marketing and sales data to understand Decision Points, resulting in Revenue increments. - Automated the whole Tableau Server workflow using Python Script & REST APIs in order to save 90% of the time, and resources. - I Singlehandedly, Maintain, and develop the Tableau dashboards, Tableau Server, Tableau Prep Flows, Data Models and interact with the PostgreSQL database. - I get excited about opportunities to work with Python and constantly work to improve my skills in Python & Data Science. I am specializing in Data Science with courses from DataCamp. - Upper-Intermediate English
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Seniority Middle
Location Pakistan
Tableau
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- Recent graduate with a bachelor degree in Management Information Systems, seeking an entry level job as a data/ business analyst. Passionate about finding anomalies, patterns and trends from data through my analytical skills for the purpose of helping businesses solve problems and make informed decisions, professional at coordinating and communicating with others. - Upper-Intermediate English
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Seniority Middle
Location Giza, Egypt
Tableau 5yr.
Qlik Sense 2yr.
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- 5 years of experience in developing and maintaining complex Tableau dashboards and reports using multiple data sources for diverse industries - 2 years of experience with Qlik; led the design and development of interactive dashboards using Qlik Sense, Power BI, and Tableau; designed and implemented data models in Qlik Sense, facilitating data discovery and exploration. - Upper-Intermediate English
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Seniority Senior
Location Rawalpindi, Pakistan
Power BI
Python
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• 3+ years in BI Engineer. • Data load automatization in Python. • Certificate: Python for Data Science and AI; Databases and SQL for Data Science. • Intermediate English. • Available Full-time. • Ready to start in one week.
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Seniority Senior
Location Ukraine
Python
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- 2+ years of experience with Python as a Data Engineer and Deep/Machine Learning Intern - Experience with Data Vault modeling and AWS cloud services (S3, Lambda, and Batch) - Cloud Services: Sagemaker, Google BigQuery, Google Data Studio, MS Azure Databricks, IBM Spectrum LSF, Slurm - Data Science Frameworks: PyTorch, TensorFlow, PySpark, NumPy, SciPy, scikit-learn, Pandas, Matplotlib, NLTK, OpenCV - Proficient in SQL, Python, Linux, Git, and Bash scripting. - Had experience leading a BI development team and served as a Scrum Master. - Native English - Native German
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Seniority Middle
Location Hannover, Germany
Solidity
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- Highly Professional Software Engineer with 7+ years of expertise in QlikView and over 2 years of hands-on experience in the blockchain industry. - Proficient in Solidity and DAML Smart Contracts, he possesses a strong command of blockchain technologies. - With developed analytical and problem-solving skills, Oleg excels in identifying efficient software solutions to complex challenges. - He consistently meets project requirements and delivers results within deadlines. - Upper-intermediate English.
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Seniority Senior
Location Ukraine
Salesforce
MongoDB
Power BI
Oracle Database
CRM
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- Highly experienced developer, team lead, and analyst focused on developing customized solutions.3 master's degrees, 15 years of experience, 4 major projects in leadership positions, and numerous Salesforce projects. - Upper-Intermediate English
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Seniority Senior
Location Ukraine
Excel
Power BI
SQL
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A data analyst & BI Expert with Marketing background.
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Seniority Middle
Location Lagos, Nigeria
Power BI
Tableau
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- Experienced BI Analyst with a diverse background in data analysis, data engineering, and data visualization - Proficient in utilizing various BI tools such as PowerBI, Tableau, Metabase, and Periscope for creating reports and visualizations. - Skilled in exploratory data analysis using Python/pandas or SQL, as well as data manipulation in Excel - Experienced in database engineering and ETL processes using airflow/prefect/databricks as an orchestration tool and dbt for transformations. - Knowledge of data governance and implementing data standards. - DB: Postgres, BigQuery/Snowflake. - Advanced English
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Seniority Senior
Location Odesa, Ukraine
Python 5yr.
SQL 5yr.
Apache HTTP Server 5yr.
AWS Cloudformation 4yr.
Databricks 3yr.
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Data Analyst / BI Engineer with an extensive background in Computer Science and Software Engineering, bringing over 5 years of hands-on experience in high-level programming languages like Python and SQL to the table. Expertise is anchored in building robust data engineering solutions utilizing technologies such as Apache Spark, Apache Airflow, Databricks, and a variety of cloud platforms including AWS and Azure. Proven track record in data migration, optimization, and visualization with tools like Power BI and Tableau, reinforced by a deep understanding of Data Science principles. Adept at both relational and non-relational databases, showcasing remarkable proficiency in PostgreSQL and experience in MongoDB, MSSQL and Cassandra. This individual has made major contributions to cross-domain projects including blockchain, crowd investing, and securities analysis, evidenced by measurable improvements in data processing efficiency and reliability.
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Seniority Senior
Location Warsaw, Poland
Python
SQL
Google Charts
Tableau
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Software Engineer with a Computer Science and Software Engineering background and 5 years of experience specializing in data analysis, visualization, and backend systems across retail, mobile, and finance domains. Proven expertise in languages such as Python, SQL, and R, supported by strong knowledge of cloud services like AWS and GCP. Skilled in BI tools and data visualization with Tableau, Looker Studio, and programming libraries Matplotlib, Seaborn, and Folium. Experienced in database management with MySQL, PostgreSQL, and NoSQL databases like Redis and MongoDB. Proficient in Data Engineering practices using Apache Spark and ETL/ELT processes with Apache Airflow. Demonstrates advanced capabilities in Machine Learning and Data Science with extensive use of Pandas, NumPy, and Scikit-learn. Committed to DevOps with experience in Docker, Bash Scripting, and version control systems like Git.
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Seniority Middle
Location Poland
HTML5
CSS3
SASS/SCSS
Gulp-Less
Webpack
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Software engineer with over five years of experience as a front-end developer, specializing in responsive web development and the implementation of web applications. Proficient in HTML5, CSS3, SASS/SCSS, and JavaScript, with a foundational understanding of React. Experienced with front-end build tools like Gulp and webpack, as well as version control systems including Git and platforms like Gitlab and GitHub. Demonstrates strong problem-solving skills in client service roles and is well-versed in SDLC practices and compliance protocols, including KYC checks and CDD reviews. Holds an ongoing education in front-end development, with a commitment to continuous improvement and the application of modern development methodologies and patterns.
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Seniority Junior
Location Ukraine
JavaScript 8yr.
HTML5 8yr.
CSS3 8yr.
Python
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- Extensive Full-Stack Development Experience: Over 8 years of experience in developing robust web applications using JavaScript, TypeScript, and Python. Demonstrated expertise in NodeJS, Angular, and experience with Python-based frameworks (Django, Flask) aligns with the desired skill set for AI Bot enhancement. - AI & Machine Learning Acumen: Keen on AI and Robotics projects, with a solid foundation in implementing machine learning models, which can be leveraged to enhance AI Bot capabilities, particularly in areas of speech recognition and NLP. - Proficient in Modern Web Technologies: Skilled in TypeScript, familiar with React and Next.js through self-study and professional development. Adaptability to incorporate Tailwind CSS and FastAPI for rapid, responsive design. - Innovative Problem Solver: Proven track record of debugging and optimizing complex systems. Experience in unit testing and code quality control ensures the ability to identify and fix issues impacting bot performance. - Collaborative Team Player: Effective in team settings ranging from 3 to 15 members. Experienced in leading and collaborating on projects, ensuring seamless integration of new features and technologies.
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Seniority Senior
Location Kharkiv, Ukraine
PHP
Laravel
Drupal
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- About 10 years of experience in development- Upper-Intermediate English- Ready to start ASAP- Available Part-time - No vacation plans- Location: Moldova
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Seniority Senior
Location Republic of Moldova
Python
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- Python Engineer with 5+ years of experience designing, developing, and maintaining web applications and services across diverse industries (Financial Services, Healthcare, E-commerce, Education). - Proficient in both full-stack and backend development utilizing Python frameworks like Django, FastAPI, and Nameko. - Designed and implemented microservices for financial trading platform, healthcare platform, and more. - Extensive experience with relational (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis). Optimized queries using Django ORM and SQLAlchemy. - Utilized AWS S3 for storage and integrated with various cloud services (Stripe, Auth0, Pipedrive). - Strong computer science expertise and commercial experience in web services architecture and development - Experience with scrapers, extracting data from sites, serializing and validating data
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Seniority Senior
Location Ukraine
Python 5yr.
Banking
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Software engineer with a comprehensive 5-year background in developing applications across Fin-tech, Management, and E-commerce domains. Deeply versed in a broad tech stack, including advanced proficiency in Python (5 years), JavaScript (3 years), and TypeScript (3 years), with solid experience in Django, React, and cloud services like AWS and Azure. Demonstrated expertise in DevOps and CI/CD methodologies is evident from hands-on Kubernetes and Terraform experience. Proven track record of optimizing application performance and infrastructure automation, leading to significant reductions in processing time, and enhancement of deployment reliability. The engineer's problem-solving acumen and ability to drive efficiency improvements are reflected in the development of feature-rich platforms and efficient system architectures.
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Seniority Senior
Location Georgia
Python 6yr.
Banking
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Highly experienced Software Engineer with a solid background in Computer Science and Software Engineering, boasting 6 years in the field with a focus on the Fin-tech, Healthcare, and Agriculture domains. Demonstrates proven expertise with key technologies, including Python, JavaScript, TypeScript, and has a strong grasp on both frontend and backend development (React, Django, FastAPI). Accomplished in cloud services Azure and GCP, with a track record of optimizing performance (e.g., AWS RDS tuning resulted in a 20% response time improvement). Mastery in DevOps practices, evidenced by efficient Kubernetes deployments that enhanced speed and reliability by 10%. Hands-on experience with several databases and has successfully integrated and migrated large codebases to TypeScript, reducing runtime errors by 30%. This advanced skill set places the candidate in a prime position to tackle complex software engineering challenges and contribute effectively to a tech team.
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Seniority Senior
Location Poland
Rust 3yr.
TypeScript 2yr.
Solidity 2yr.
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Blockchain Developer and Software Engineer with over 5 years of hands-on experience. Skilled in multiple key programming languages including Rust, Solidity, Python, JavaScript, and TypeScript, and proficient in English with a B2 level. Holds a comprehensive education in Computer Science and Software Engineering. Technical expertise is demonstrated in diverse blockchain environments like Ethereum, Polygon, and Solana, including advanced skills in smart contracts development, security optimizations, and integration of various blockchain technologies. Proven track record in backend development with frameworks such as Django and Node.js, cloud services like AWS, and proficiency in DevOps tools such as Docker, Kubernetes, and Terraform. Successfully improved deployment speeds by 40% through Helm charts and bolstered smart contract security to mitigate 95% of exploit vectors. Combines a passion for programming with effective leadership and project management abilities which contributes to technological advancements and project success.
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Seniority Senior
Location Georgia
Quadient Inspire
MS SQL Server Management Studio
Usability tests
Selenium Webdriver
Java
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An experienced QA Engineer with over 7 years in the field, proficient in both manual and automated testing across multiple platforms including Android, iOS, and various web browsers. With a strong track record in QA process management and documentation, the engineer excels in automating mobile and web applications, showcasing significant technical skills in tools such as Selenium, Appium, and Java. They have led teams on complex projects, such as a medical research management system, and boast hands-on experience in performance testing using Jmeter and BlazeMeter. Active in full SDLC, they apply Scrum and Kanban methodologies, emphasizing continuous integration with Jenkins. Their problem-solving capabilities extend beyond testing to improving QA practices and training team members, highlighting their comprehensive understanding of software quality assurance.
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Quadient Inspire 4yr.
JUnit 4yr.
QA Automation 4yr.
API testing 4yr.
Cypress 1yr.
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Software Engineer with over 4 years of experience in Automation QA, proficient in designing and executing test cases and scripts. Skilled in performance testing and adept with a variety of testing methodologies including functional, regression, API, and system integration. Holds a Bachelor's in IT and Cybersecurity and proficient in JavaScript, TypeScript, and C#. Demonstrates strong knowledge of SDLC, STLC, and adept with tools like Cypress, Selenium, and Jenkins. Experienced in working within Scrum and KanBan environments, committed to delivering quality software solutions.
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Seniority Middle
Location Ukraine
Office 365
Adobe Photoshop
Python
NFT
Facebook Ads API
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The engineer possesses a robust foundation in Computer Applications Technology with a proficiency in key software including Microsoft Office, Photoshop, and programming languages such as Python. A graduate from Nigel High School with a National Senior Certificate, the engineer has shown a proficiency for technical problem-solving and a results-oriented approach to tasks. Notable achievements include the running of successful Facebook and Google Ads campaigns which highlight expertise in leveraging digital marketing tools for targeted outreach. Despite a lack of detailed project experience or advanced qualifications, the engineer demonstrates potential as a tech-savvy professional with practical skills relevant to entry-level positions in tech industries.
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Seniority Junior
Location Johannesburg, South Africa
React
React Native
TypeScript
Node.js
Express
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Software engineer with a Bachelor's degree in Computer Software Engineering and 9 years of full-stack development experience. Expertise in React, React Native, Node.js, TypeScript, and AWS, with a record of developing SaaS fintech platforms and efficient CI/CD pipelines. Proficient in performance optimization, microservices architecture, and Web3 integrations. Adept in Agile methodologies, TDD, and advanced search implementations.
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Seniority Senior
Location Gdansk, Poland
AutoCAD
Navisworks
Autodesk Navisworks
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- Process Piping Engineer with over 17 years specializing in the detailed engineering of chemical, oil, gas, and industrial facilities. - Proficient with a suite of design and engineering software including Smart 3D (SmartPlant), PDS 3D, MicroStation, and AutoCAD. - Expertise in 3D modelling, technical drawing, and document preparation, as well as a proven track record in leading engineering projects from conception through to erection and installation. - Holds a Master’s degree in Oil and Gas Pipelines and Storage, along with a Bachelor’s in Electromechanical Engineering.
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Seniority Expert
Location Ukraine
Ruby
Node.js
Go
PHP
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Seniority Expert
Location New York City, United States
Python 4yr.
pytest 4yr.
Selenium Webdriver 4yr.
QA Automation 4yr.
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- Software Test Automation Engineer with 8 years experience in testing different projects for different OS and Application Servers - Experience with Python automated testing - Experience in writing technical documentation - Good communication skills, ability to learn new software and process quickly and efficiently - Creating Autotests for Web and Mobile, API Testing, and Performance Testing. Mobile and desktop testing. - Good teamwork, aimed for the outcome, stress-resistance, attention to details and analytical mind.
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Unity
VFX
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- 24+ years in game development -Involved in VFX throughout his game dev career - Available to start ASAP - Extensive experience as a Unity3D C# developer and 2D/3D VFX artist, working on a wide range of projects from mixed reality applications for Hololens, cross-platform tools, to games with on-chain business logic. - Significant contributions to AR/VR applications, including development for indoor navigation, augmented reality software for smart-city solutions, and VR games and experiences. - Leadership roles in project development, serving as Art Director, Lead Developer, and Lead Artist on various projects, indicating a strong background in both technical and creative aspects of software and game development. - Diverse project portfolio, including work on augmented reality for plastic surgery visualization, body measurement technology for smartphone cameras, and 3D visualizations for medical and industrial applications. - Involvement in promotional and interactive demos, demonstrating the ability to create engaging content for startups and established companies alike, such as Zibra.AI and Rapid Medical Parts. - Development of a wide range of applications and games for various platforms, including web, mobile, standalone, and AR/VR platforms, highlighting versatility and adaptability in software development. - Upper-Intermediate English
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Seniority Senior
Location Ukraine
JavaScript 3yr.
TypeScript 3yr.
Rust 3yr.
Solidity 3yr.
Solana
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Software engineer with a comprehensive background in full-stack and blockchain development. Proficient in languages like Rust, Solidity, TypeScript, C#, and C++, with 3 years in JavaScript and Solidity. Strong focus on blockchain ecosystems, having utilized Solidity, Ink!, and Substrate across various innovative projects, including a SPL-token creation using Solana and a cybersecurity platform for Earth satellites leveraging blockchain tech. Experienced in both front-end and back-end paradigms, employing .NET 7, ASP.NET, and React, and tools like Docker and Swagger for deployment and API management. Responsible for leading the development of complex web3 applications, such as a staking platform and a branded shoe online store, showcasing a strong understanding of SDLC, including testing with tools like Hardhat and Foundry. The engineer's project roles demonstrate an ability to handle full-stack responsibilities and a proven track record in delivering robust, scalable applications in diverse domains such as game development, e-commerce, and NFTs.
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Seniority Middle
Location Georgia
Marketing strategies
Atlassian Confluence
FDD
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- Expert in creating and leading tech-driven blockchain and fintech solutions with robust marketing and strategic prowess; - Oversaw development and strategic planning as CEO of a self-developed platform; - Expertise in managing sizeable teams, particularly with a team of 8, driving product growth and optimizing marketing budgets; - Deep skills led initiatives in various acquisition, retention, and branding strategies, with experience across multiple international markets; - Deep understanding of HTML5, CSS, and growth-hacking techniques, underscoring a commitment to technical and user-experience excellence; - Experience in consulting web3 projects that raised investment rounds through token sales: 1. Web3 gaming platform raised $400k in 2 rounds (pre-sale, sale through launchpads). 2. Dex exchange ~$100k in one round of sale. - Created company from idea to full function product(2022-2023); - Company growth from 20k to 1 million USD FTD/month; - Max 1 month ROI=1361% (12/2017); - Optimized marketing budget in 2 times as effective (05/2019).
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Seniority Senior
Location Thailand
React Native
React
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- Software Engineer with a Computer Science and Software Engineering background, bringing over 7 years of experience in developing mobile and web applications. - Proficient in a spectrum of technologies, including React, React Native, TypeScript, JavaScript, and modern libraries and frameworks like Redux and Expo. - Demonstrated leadership skills as a Team Lead, with a track record in managing development cycles, CI/CD pipelines, and team coordination to ensure timely delivery of high-caliber solutions. - Adept in various domains such as IoT, utility infrastructure, and gambling. - Strong emphasis on agile methodologies, clean code principles, and cutting-edge technology integration to build scalable and performance-centric applications.
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Seniority Architect/Team-lead
Location Poland
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