Upstaff Developer Profile Directory

- 5+ years experience in Java development - Good knowledge in programming Spring Framework, Hibernate, Java Core; - Database expertise with PostgreSQL, MySQL, and Oracle DB. - Skilled in microservices architecture and containerization using Docker and Kubernetes. - Proficient in cloud computing platforms, especially AWS services such as EKS, DynamoDB, S3, and SQS. - Experience in using Design patterns; - Upper-Intermediate English.

- 5+ years experience in the IT industry working with Java and related technologies. - Good knowledge in programming Spring Framework, Hibernate, and Java Core. - Has experience with microservices architecture. - In-depth knowledge of database systems, especially PostgreSQL, and related migration tools like Flyway and Liquibase. - Proficient in AWS services such as Elastic Kubernetes Service (EKS), PostgreSQL, DynamoDB, S3, and more. - Proficiency with messaging systems like Kafka and RabbitMQ. - Demonstrated history of working on innovative projects within the green technology domain, including sophisticated statistical analysis for order processing. - Proficient in implementing and maintaining security protocols and access control using Spring Security. - Upper-Intermediate English.

- 15 years of commercial experience with Typo3 - Proficient in TYPO3, TypoScript, Fluid/Flux, PHP, Foundation/Bootstrap, MySQL, GIT, jQuery/AJAX, Docker, XAMPP, Memcached/Redis, Xdebug, PhpStorm, REST, and design patterns. - Skilled in Apache/Nginx, shell/Bash scripting, LAN & VPN configuration, and continuous integration. - Certified TYPO3 Integrator with several years of experience in web development and TYPO3 work. - Extensive work experience with various companies, including Q3i, Dobre Badanie/Wondernet, KBSystems, masz.to, Hint Intermedia - Strong portfolio of websites worked on, including frontend integration, backend development, system updates, functionality enhancements, and maintenance. - Upper-Intermediate English

As an expert in hardware and embedded development, I bring extensive practical knowledge of C and C++ technologies. With significant experience in smart-city devices such as electronic ticketing machines, bus driver devices, and more, as well as in sensors, microcontrollers, and antenna and radio telescope control systems, I have a strong foundation in cutting-edge technology.In addition to my technical expertise, I have over 15 years of teaching experience at a local technical university, where I have developed the ability to explain complex concepts in easy-to-understand terms, enhancing my mentoring, communication, and team cooperation skills.

- Sauvik Kundu is a Senior Software Engineer with 6+ years of experience in backend development. - He has expertise in PHP, Laravel, MySQL, and Web Services API. - Sauvik has worked on projects related to Management, SaaS-based, CRM, ERP, E-commerce, and Chat apps. - He has experience in optimizing project queries and integrating various APIs and tools. - Sauvik has a strong understanding of Agile methodologies and Test Driven Development. - He has a Master's degree in Computer Science and Engineering from BRAC University. - Sauvik is passionate about product growth and user-centric design, and aims to work in dynamic, product-focused companies.

- Software developer with more than 7 years of experience. - Deep experience of Profiling and debugging of applications - Knowledge and usage of OOP, SOLID, DIY, DDD principles, architectural and design patterns - Running of code reviews, design of application architecture, developing of CI/CD processes, research and evaluation of technical options to implement business requirements, analysis and estimation of implementation efforts - Organization and conduction of lectures for teammates, interview conduction, interaction with business and other teams, running demos for business, assistance to team members in case they require help. - In-depth knowledge of web technologies - Upper-Intermediate English. - Available: ASAP

- Experienced iOS developer with 7+ years of commercial experience in IT; - Proficient in Swift and Objective-C programming languages; - Strong knowledge of object-oriented programming (OOP) and design patterns; - Skilled in using iOS technologies such as UIKit, SwiftUI, Xcode, Core Data, Core Animation, and more; - Familiar with various architecture patterns like Clean-Swift, MVC, MVP, MVP-C, MVVM+C; - Experienced in working with REST APIs using URLSession and Alamofire; - Proficient in using Git and SVN for source control; - Familiar with agile development methodologies like SCRUM and Kanban; - Strong attention to detail and ability to work in a team environment; - Excellent communication skills and ability to work under pressure; - Fluent in spoken and written English at an upper-intermediate level.

- Experienced Flutter developer with 3+ years of overall experience in mobile app development. - Strong in building applications from scratch and implementing scalable features. - Proficient in Dart, Java, Python, and C++ programming languages. - Skilled in web development with HTML 5, CSS 3, and JavaScript. - Familiar with Flutter framework and Bootstrap 4. - Knowledgeable in database technologies such as MS SQL, MySQL, and MongoDB. - Proficient in using development tools like VS Code, Git, and Docker. - Experienced in working with Firebase for authentication, Firestore, Cloud Storage, Dynamic Links, and Cloud Messaging. - Worked on projects involving e-commerce templates, sports training, relaxation apps, and on-demand delivery apps. - Familiar with Redux for state management and rxdart for reactive programming. - Strong understanding of data structures, algorithms, and optimization techniques. - Holds a Master's degree in Computer Sciences from V.N. Karazin National University.

- Backend developer with 5 years of practical experience in software development. - Experienced in working with live projects based on various frameworks and CMS such as Laravel, Adapt-Framework, Symfony, WordPress, and Slim. - Proficient in programming languages including PHP, JavaScript, Node.js, Next.js, Vue.js, and Angular.js. - Familiar with technologies such as Xdebug, PSR, API, REST, AWS, HTML, CSS, XML, AJAX, JSON, OAuth, SOAP, SOLID, and DRY. - Skilled in using development environments and tools like PhpStorm, WebStorm, PyCharm, and Visual Studio. - Knowledgeable in source control systems like GIT and Mercurial. - Experienced in Agile, Scrum, and Waterfall methodologies and has a clear understanding of the full development life cycle and testing processes.

- Software developer with over 4 years of experience in mobile development. - Strong Java background knowledge and deep understanding of backend behavior. - Proficient in programming languages such as JavaEE, Spring Boot, Flutter/Dart, and Vaadin. - Experienced in working with databases including Oracle SQL, MySql, Firebase, and SQLite. - Familiar with version control systems like Git and SVN. - Skilled in using Jira, Jenkins, GitLab, BitBucket, and Trello for project workflow. - Previous experience includes developing mobile apps using Flutter and Dart, as well as Java development for ride-share and rental car service providers. - Knowledgeable in RESTful APIs and familiar with software development methodologies and practices. - Holds a Bachelor's degree in Software Engineering from Paisii Hilendarski University of Plovdiv, Bulgaria.

- Experienced Flutter developer with over 6 years of experience in software development. - Proficient in using Flutter and various related technologies such as Firebase Realtime Database, Firebase Cloud Firestore, Firebase Auth, Google Auth, Facebook Auth, Firebase Cloud Storage, Crashlytics, Analytics, Push Notifications, Background Location, Localization, Google Maps, Stripe, REST API, AWS S3, BloC, MVVM, Flutter Web, and Git flow. - Strong background in computer science with a Specialist's degree from "O.M.Beketov" National University of Urban Economic and Java Core courses at JavaRush. - Skilled in both team collaboration and independent work, with a track record of creating applications from scratch and implementing functions according to design requirements. - Experienced in developing cross-platform mobile applications using Flutter and React-Native. - Familiar with various development methodologies, principles, paradigms, and patterns. - Proficient in SDLC and software development practices. - Strong technical expertise in mobile app development, particularly in the domains of crypto wallets, credit management, Bluetooth device monitoring, housing services management, charity platforms, and location tracking. - Proven ability to deliver high-quality software solutions and achieve results in a timely manner.

Alexander P. is a PHP developer with experience in building and supporting websites using PHP based frameworks. He has a Master's Degree in Information control systems and technologies. Some of his key technical skills include PHP, MySQL, REST, Laravel, WordPress, JavaScript, jQuery, AJAX, Vue.js, Git, XML, HTML, CSS, CI/CD, Docker, Google APIs, and Facebook API. He has worked on projects such as an online marketplace for booking event spaces, a CRM system for managing claims and vehicle repairs, and an iOS/Android application for meeting. Alexander has a strong background in software engineering and computer science education, with several years of experience in the field. He is proficient in various programming languages, technologies, and tools, and has experience with different methodologies, principles, and patterns in software development. Alexander's technical expertise and domain knowledge make him a standout candidate for software engineering positions.

Mihai Serdean is a software engineer with 17 years of experience in IT software and QA. He is currently working as a freelancer in software quality assurance and is part of various freelance networks such as Toptal, Upper, Expertlead, and WorkGenius. Mihai has expertise in test automation, performance testing, and using tools such as Selenium WebDriver, Cypress, JMeter, and Postman. He is skilled in multiple programming languages including Java, JavaScript, TypeScript, Python, and .Net. Mihai has a strong background in computer science, holding both a Master's and Bachelor's degree from Universitatea "Babeș-Bolyai" din Cluj-Napoca. He has experience in implementing QA strategies, managing QA teams, and improving QA processes. Mihai has worked with various companies and has a track record of delivering high-quality software solutions.

Software QA engineer with over 5 years of experience in the IT industry and more than 10 years of experience in engineering and testing algorithms for rocket-embedded systems. - Strong knowledge in the QA domain; - Good knowledge in creating testing frameworks; - Experienced in project and test documentation design using Jira, Confluence, Redmine, Zephyr, and Softest; - Skilled in mobile automation testing for iOS and Android platforms using Appium, Selenium, Java, TestNG, Allure, Jenkins, and Git; - Proficient in cross-browser testing using BrowserStack and Chrome DevTools; - Experienced in API testing using Swagger and Postman; - Familiar with working with databases such as PostgreSQL and DBeaver; - Strong communication and collaboration skills.

Ionut Lucian Eremia is a junior project manager. He has a Bachelor's Degree in Law from the University of Bucharest. With over 4 years of work experience, Ionut has developed a range of technical skills and expertise.Key Technical Skills: 1. Proficient in project planning and risk management. 2. Skilled in people management and team leadership. 3. Experienced in product management and game design. 4. Familiar with ServiceNow and direct sales processes. 5. Strong problem-solving abilities. 6. Knowledgeable in sales consulting and sales processes. 7. Well-versed in software development practices and methodologies.Ionut has demonstrated his technical expertise through his work as a project manager in a mobile gaming development team. He has also co-founded Ions Options, a company that provides customer support services for startups and small companies.In his previous role as a customer support team lead at Playtika, Ionut oversaw all support operations for Playtrika's casual games engine - Jelly Button. Notable games he worked on include Merge Stories and Dice Life.Ionut's strong engineering background and technical skills make him a standout candidate for software engineering positions. His experience in project management, game design, and customer support adds value to any team he joins.

- QA Engineer with 5+ years of experience in software testing and quality assurance. - Proficient in creating test documentation, including Test Plan, Test Cases, Mind Maps, and Test Reports. - Skilled in manual and automated testing, with expertise in API testing and security testing for web services. - Experienced in requirement analysis, test design, and UI/UX testing. - Proficient in programming languages such as JavaScript, C#, and TypeScript. - Familiar with Agile and Scrum methodologies, as well as CI/CD practices. - Accomplishments include winning the Wix QA Hackathon in July 2017. - Intermediate English - Availability starting from ASAP

- Experienced AQA Engineer with 4 years of expertise in web, API, and performance testing. - Proficient in manual testing, requirements analysis, and writing test documentation. - Skilled in various programming languages including JavaScript, TypeScript, Python, and Java. - Familiar with a wide range of tools and technologies such as GitHub, Azure, Selenium, Cypress, and Jira. - Strong knowledge of software development life cycle and Quality Assurance methodologies. - Experienced in test automation at different levels using technologies like Playwright, Jest, and Docker. - Excellent communication and problem-solving skills, with a strong ability to prioritize and coordinate testing activities.

- QA Engineer with over 9 years of experience in QA Functional/Automation Testing - Strong understanding of the Software Testing Life Cycle (STLC) - Expertise in designing, coding, and executing test cases and test scenarios - Proficient in utilizing Test management tools such as Jira, Xray, HP ALM/Octane - Hands-on experience in Web services/API testing using Postman and SOAP UI - Skilled in UI automation using BDD cucumber with Selenium WebDriver in a Java environment and Cypress tool - Knowledge of continuous integration tools like Jenkins and Gitlab

- Experienced and well-organized QA Engineer with extensive knowledge of testing and quality assurance methodologies. - Proficient in Java, API testing, Cucumber, Manual Testing, Bug Tracking, Selenium, IntelliJ IDEA, Redmine, Maven, Automated UI Testing, Test Design, Usability Testing, Regression Testing, Functional Testing, Jenkins, Gitlab CI, Git, Checklist, Jira, XRay, open-api-generator, Junit5, Rest-assured, Kong unirest. - Holds a degree in Computer Science from Odessa National Polytechnic University. - Has a strong background in software testing and test automation. - Worked at reputable companies such as IntellectEU, Jelvix, DataArt, Cryptocurrency project, and Uplata (finTech). - Experienced in developing automated tests for UI and API using various frameworks and tools. - Proficient in cross-browser testing, regression testing, front-end and back-end functional testing, and UI testing.

- 7+ years of experience in API and web testing. - Experienced in working with fintech, blockchain, billing systems, advertising systems, browser extensions, access systems, delivery services, and health insurance. - Excellent knowledge of Java, Kotlin, and JavaScript languages. - Proficient in using Selenide, Rest-assured, Protractor, Allure report, Gradle, Maven, Jenkins. - Skilled in creating mock servers for solving various tasks with third-party services. - Passionate about discovering new technologies and applying them to real projects. - Master's Degree in Management of Foreign Economic Activity. - Proficient in English (upper intermediate) and Ukrainian (native).

- Software Engineer with over 11 years of commercial development experience - Extensive experience in developing applications using PHP and Python - Skilled in building high-loaded online stores using SOLID, DRY, and KISS principles - Strong background in architecture design and database optimization - Proficient in mentoring senior specialists and conducting code reviews - Experienced in stress testing and speed optimization - Familiar with MVC and Domain-Driven Design architecture, as well as Restful API development - Intermediate English - Availability starting from ASAP

- Experienced software engineer with a strong focus on automation, testing, and DevOps. - Certified SAFe 5 Practitioner with over 10 years of experience in the IT field, working with a variety of industries, including payment gateways, healthcare, and natural disaster prevention. - Experience with Appium (3 yr. of experience) and K6 (4 yr. of experience) - Proficient in Performance Testing with K6 and Jmeter - Worked with prominent companies, including Johnson & Johnson, which involved some financial software components or integrations. - Proficient in tools such as Argo-workflow, Jira, Mantis, Azure, Cypress, Selenium, Robot Framework, and Jupyter Notebook. - Upper-Intermediate English. - Availability starting from ASAP

- Experienced software engineer with 4+ years of experience in Python development. - Proficient in Python and deep knowledge of web development technologies. - Strong understanding of software design principles and methodologies. - Skilled in using various programming languages such as Python, JavaScript, and SQL. - Familiarity with popular frameworks and technologies including Django, Flask, Docker, and AWS. - Excellent knowledge of common software engineering practices like test-driven development and continuous integration. - Experienced in working with Redis, MySQL, and PostgreSQL databases and cloud platforms like GCP and AWS. - Upper-Intermediate English. - Availability starting from ASAP

- Experienced front-end developer with 5+ years of commercial experience in IT. - Proficient in developing web applications using JavaScript, React, and Node.js. - Deep knowledge of HTML, CSS, and TypeScript. - Skilled in working with complex tasks and projects, from simple sites to large-scale projects for companies. - Strong attention to detail and logical thinking, with a focus on delivering high-quality results. - Excellent team player with good communication skills and a strong work ethic. - Eager to learn new technologies and stay up-to-date with industry trends. - Intermediate+ English. - Availability starting from ASAP

- Front-end Developer with 5+ years of commercial experience in IT. - Proficient in developing web applications using JavaScript (React, Redux). - Strong logical thinking and high level of responsibility. - Experienced in working on complex tasks and projects for companies. - Skilled in using JavaScript ES5, ES6, HTML5, CSS3, and other related technologies. - Familiar with development methodologies such as SCRUM. - Excellent attention to detail and ability to work as part of a team. - Intermediate+ English - Availability starting from ASAP

- Self-motivated and result-driven front-end developer with 5+ years of experience - Skilled in Angular and JavaScript, with extensive experience in their development and ecosystem - Strong ability to write clean code, debug performance issues, and implement features based on client and user needs - Possesses good logical thinking and a high level of responsibility - Excellent attention to detail and ability to work well in a team - Proficient in various programming languages and technologies such as JavaScript, TypeScript, HTML, CSS, SASS, Angular 2+, npm, Webpack, Redux, Rest API, RWD, Figma, Bootstrap, rxJS, docker, ionic, firebase, and JWT - Experienced in working with databases like MongoDB and MySQL, and familiar with source controls like GIT and tracking systems like Jira and Trello. - Intermediate English - Availability starting from ASAP

Experienced software engineer with a strong background in computer science and a focus on full-stack development. - Strong skills with Python, Node.js, and JavaScript; - Expertise in frameworks Flask, Django, and React; - Skilled in working with databases including PostgreSQL, SQLite, MySQL, and Redis; - Deep skills with technologies like Docker and Elasticsearch; - Extensive experience in developing RESTful APIs, GraphQL, and Fast API, with a solid understanding of CI/CD processes. - Knowledgeable in machine learning techniques, particularly neural networks like darknet and caffe; - Demonstrated success in optimizing software performance, improving productivity, and implementing system integrations; - Strong problem-solving and collaboration skills, with a track record of mentoring and leading teams in technical projects.

Software Engineer for 3+ years. Worked on e-commerce, social, sports, business projects from scratch and support projects. Always eager to learn new technologies and share knowledge among co-workers. I truly enjoy the developer role and work on each project with dedication.

- Taras is a highly skilled software engineer with a strong background in computer science and automation. - He has over 4 years of experience in the field and has worked on various healthcare, blockchain, and CRM projects. Taras is proficient in multiple programming languages including C#, Python, and Java, and has expertise in automation testing using tools such as SilkTest, Selenium, and Appium. - He is also experienced in REST API testing and working with databases like MySQL and Hasura GraphQL. - Taras has a proven track record of developing comprehensive test documentation, including test plans, test cases, and bug reports. He is highly knowledgeable in software development practices and follows industry-standard methodologies and principles. - With his technical expertise and domain knowledge, Taras stands out among other candidates and is a valuable asset to any software engineering team.

- Highly skilled Python Developer with a strong background in computer engineering and a Bachelor's degree from Kharkiv National University of Radio Electronics. - Proficient in various programming languages including Python, JavaScript, and SQL. - Demonstrated expertise in developing Python MVT modules, automation testing, and implementing new functions in various projects. - Proven ability to create readable and maintainable code and solutions. - Strong problem-solving and bug fixing skills. - Excellent team player with the ability to work collaboratively in a fast-paced environment. - Intermediate English - Availability starting from ASAP

- 10+ years in QA with experience in leading various QA teams and projects and strong experience in staffing and resource management. - Experience in creating test automation frameworks for Web UI/API/Mobile - Great knowledge of CI environment configuration - Working knowledge of different OS (Windows, Linux) - Proven ability to learn fast new technologies and approaches to use them as soon as possible - Skilled in developing test documentation such as test plans, test cases, incident reports and using defect tracking systems - Good understanding of systems development life cycle methodology - Strong knowledge about software development life cycle, QA methodology and tools

QA Automation Engineer | QA Manager | Freelancer | 17 years of experienceSoftware QA Test Automation Web Test Automation Mobile Test Automation API Test Automation Performance TestingSelenium WebDriver Cypress WebDriver.io WebDriver.jsAppiumJMeter PostmanBrowserStack SauceLabsJava, JavaScript, TypeScript, Python, .NetSoftware QA Test Automation Web Test Automation Mobile Test Automation API Test Automation Performance Testing Selenium WebDriver Cypress WebDriver.io WebDriver.js Appium JMeter Postman BrowserStack SauceLabs Java, JavaScript, TypeScript, Python, .NetSkills: Test Automation · Performance Testing · Selenium WebDriver · Selenium · WebDriver · JMeter · Java · Performance Tuning · Load Testing · Software Quality Assurance · Testing · Test Strategy · Linux · ISTQB · Shell Scripting · Test Management · Quality Assurance · Automation · Non-functional Testing · System Administration · Programming · System Testing · Test Tools · Python · SoapUI