Upstaff Developer Profile Directory

Software engineer with 6+ years' expertise in the Salesforce Enterprise Platform, including Sales Cloud and Salesforce CPQ. Proficient in platform configuration, process automation, and security setup. Adept at Apex programming, LWC, and has contributed to a variety of projects as a solution architect and developer. Holds certifications such as Salesforce Administrator, Platform Developer I & II, and others. Versatile with integrations including SAP, QuickBooks, and AWS S3. Recognized for advanced technical skills, engineering acumen from a B Tech in Computer Science, and a track record of delivering complex solutions in high stakes environments.

- Project manager with over 4 years of management experience, successfully sourced, negotiated, and closed tens of projects. - Worked as a sales manager, account manager, project manager, and manual QA. - Proven track record in developing task backlogs, organizing development into sprints, and coordinating sprint goals with cross-functional teams to ensure timely delivery of projects. - Skilled in planning and conducting daily/weekly meetings, tracking progress, and ensuring adherence to project deadlines. - Expertise in implementing quality assurance measures, including preparing and managing bug reports, overseeing issue resolution, and incorporating customer feedback to enhance product functionality and performance.

- Over 4 years of experience developing and deploying complex web and mobile applications across diverse industries, focusing on integrating modern front-end and back-end technologies. - Proficient in front-end and back-end development, utilizing frameworks such as Blazor WebAssembly, ASP.NET Core, and modern JavaScript libraries to build robust and user-friendly applications. - Skilled in deploying and managing applications on cloud platforms, including AWS and Azure, with a solid background in using tools like GitHub Enterprise and SonarQube for code management and quality assurance. - Competent in integrating cloud services with existing applications, managing serverless solutions, and ensuring scalable and reliable infrastructure. - Experienced in building and optimizing APIs using RESTful and OData architectures and implementing front-end solutions with Blazor and .NET.

Software engineer with over 3 years of expertise in software testing and QA, specializing in black box testing for web applications and robust knowledge of SDLC and STLC. Proficient in API testing using Postman and Swagger, and experienced in mobile application testing. Demonstrates proficiency in integrating automation testing within CI/CD pipelines, leveraging Selenium WebDriver for automated regression testing. Versed in defect identification and management using tools such as JIRA and Zephyr. Capable of performing various types of testing including but not limited to functional, integration, regression, smoke, and ad-hoc testing, as evidenced by a history of uncovering and reporting software bugs. The engineer's technical acumen and practical experience are complemented by strong communication skills.

- Has extensive experience as a Lead Designer, managing multiple projects simultaneously while mentoring junior designers. - His portfolio includes designing complex interfaces for industries like cryptocurrency platforms, AI-powered iOS apps, legal tech services, and B2B platforms. He's responsible for setting UX/UI design direction, ensuring high design standards, and collaborating with developers to ensure smooth implementation. - His work emphasizes cross-device optimization, user engagement through analytical tools, and a focus on seamless performance across mobile and desktop platforms. - Design Tools: Proficient in Figma, Photoshop, Illustrator - Animation: Skilled in web design animation and beyond

Senior Full Stack Developer with a Master’s in Computer Science and a depth of experience in front/backend technologies across multiple domains. Practical knowledge of Python, Django, Next.js, NestJS, and a robust foundation in PostgreSQL. Proven capability in leading development projects, optimizing database schemas, and leveraging CI/CD pipelines with Docker and Kubernetes. Skilled in Agile methodologies, project management, and UI/UX design paired with a substantial background in IoT solutions, showcasing versatility and technical prowess. Recognized for streamlining operations, reducing costs through automation, and advancing retail technology platforms.

Proactive software engineer with practical experience in C#, ASP.NET Core, Entity Framework, and JWT Security. Adept at full-stack development, illustrated by projects like a virtual wallet system and a gaming forum. Proven expertise in utilizing tools like Swagger, Zabbix, and Cloudinary, with particular success in integrating external APIs and optimizing cloud engineering workflows. Fluent in English and intermediate in German, with solid analytical and conflict resolution skills underpinning a distinctive ability to enhance team and customer experiences. Holds a Master’s in Software Engineering in-progress, with a foundation rooted in a Bachelor's in Software and Internet Technologies.

- Over 7 years of experience in Digital Marketing, 3 of which are in the Trading Ecosystem as a Director Marketing/Team Lead Marketing - Skilled in using major tools like Facebook Ads, LinkedIn Ads, Google Analytics, GTM, and Data Studio, as well as newer platforms like TikTok Ads. Demonstrated success in managing large budgets, leading cross-functional teams, and launching products in the US and European markets, primarily in the EdTech and FinTech sectors. - Proficient in SEO, comprehensive analytics, and the creation of data-driven marketing sales funnels, specializing in formulating digital promotion strategies that enhance lead generation and customer segmentation for SaaS products. - Upper-Intermediate English

A result-driven software engineer with a background in Agricultural and Environmental Engineering, and extensive experience in customer service roles. Versed in both front-end and back-end development, and adept at using React.js, Python, PHP, and JavaScript alongside HTML and CSS. Demonstrates a solid understanding of software development practices with practical experience in using CRM, Freshdesk, Paystack, and SEO tools. A proven track record in handling customer communications and feedback, complemented by excellent interpersonal skills and an ability to foster team collaboration. The engineer brings a strong problem-solving ethos, and is proficient in MS Office applications, with strengths in multi-tasking and adapting to new technologies.

A seasoned software engineer with a strong background in Computer Engineering from Cairo University, the engineer brings both a deep understanding of theoretical principles and a rich hands-on experience in multiple software domains. Key strengths lie in web and mobile development, embedded systems, and machine learning, underscored by expertise in Python, Django, React, and AWS among other technologies. The profile showcases a proven track record of designing, coding, and maintaining sophisticated software solutions, notably in the healthcare sector with enterprise software contributions. This engineer is recognized for a systematic approach to analysis, design, and implementation across the software development life cycle. Revered personal projects such as an embedded system for CCTV face recognition signify a blend of innovation and practicality. With professional fluency in English and Arabic and having completed an IBM Big Data Engineer Certification, the candidate stands out for versatile skill sets and distinguished technical mastery.

With over 4 years of professional experience in software development, the engineer is proficient in full-stack technologies including Node.js, React, and PHP, complemented by substantial expertise in database management systems like MySQL and MongoDB. Demonstrated history of successful project execution illustrated by roles in the development of complex systems such as a RESTful chat system and an online car auction platform. Strong educational foundation with a Bachelor's in Computer Engineering and importantly, an impressive track record in leading projects, innovation in deployment of applications, and mentoring team members. Technical acumen is enriched by adeptness in LAMP stack, modern JavaScript frameworks, version control using GIT, and the implementation of cloud services and server management.

Software engineer with 5 years of professional experience in application development using languages and frameworks such as Golang, Symfony, and PHP. Demonstrated expertise in Go, PHP Frameworks, MySQL, Mongo, and front-end technologies including JavaScript, jQuery, and Ajax. Proficient in frameworks like Echo, Symfony 2, and Laravel, and familiar with web servers like Apache. Holds a BE in Information Technology from RGPV Bhopal and is well-versed in both Windows and Linux environments. Proven track record of project management skills with a focus on research, modular design, and hands-on implementation. Instrumental in developing payment gateway APIs, internal APIs, community websites, and performing database migration with a knack for optimizing SDLC and software development practices. Capable of leading teams, mentoring peers, and efficiently resolving technical challenges.

A senior software developer with over 3 years of expertise in MEAN stack development, skilled in JavaScript, TypeScript, and advanced web technologies including Angular 2x-13x, Ionic 5x-6x. Demonstrated experience in full-stack development, proficient in both frontend and backend technologies with a keen understanding of ExpressJs, Node.js, Angular, and React. Strong background in cloud services like AWS and GCP, and in employing version control with GIT/GITHUB. Established track record in working with databases such as MySQL and MongoDB, and integrating payment gateways like RazorPay, PayPal, and Stripe. Computer Science graduate from Jabalpur Engineering College with a firm foundation in DBMS, programming languages, and machine learning. Proven ability in leading the development lifecycle of software applications, optimizing for performance and scalability, and contributing to high-quality, reusable code.

Software engineer with extensive experience in the design, development, and testing of web services and desktop applications across fintech, telecom, e-commerce, banking, insurance, and education sectors. Technical expertise includes RESTful API development, client-server architecture, and internet-protocols, with proficiency in programming languages such as Golang, Java, JavaScript, PHP, and C++. Strong background in both the Software Development Life Cycle (SDLC) and in software test engineering, excelling in various testing methodologies including functional, GUI, cross-browser/platform, and integration testing. Adept in agile and test-driven development practices, the candidate brings a solid engineering education with a specialized computer science focus and hands-on experience with AWS, Google Cloud Platform, IBM Cloud, and Azure. Known for a problem-solving approach, efficient communication within teams, and contributing to QA through strategy, automation, and root cause analysis.

Accomplished Senior Full-Stack Software Engineer with a focus on Ruby on Rails development, boasting extensive experience in building scalable web platforms and mobile applications compliant with HIPAA regulations. Possesses a strong command of front-end and back-end technologies including Ruby on Rails, Vue.js, React.js, Angular.js, PostgreSQL, MongoDB, and expertise with various APIs and integrations. Proficient in implementing sidekiq for efficient background job processing and skilled in deploying applications on Heroku along with AWS services management. Holds a Master’s Degree in Software Development from Cherkasy Engineering and Technological Institute, underpinning a solid theoretical foundation with hands-on experience in the end-to-end software development lifecycle. Demonstrated leadership capabilities in architecting robust solutions and leading technical teams. Brings over a decade of industry experience across healthcare, financial, and social media marketing sectors.

- 7 years of software development - 4 years of experience with React Native - 7 years of experience with Android - Significant experience with CI/CD pipelines - Available to start ASAP - Upper-Intermediate English

A seasoned Senior Software Engineer with a robust background in Computer Science from Menofia University, boasting extensive experience in backend and mobile solutions. Demonstrates deep expertise in cloud-native technologies, microservices architectures, and Agile project management methodologies. Strong track record in leading development teams, executing full SDLC, and elevating product quality through rigorous testing practices, including unit and integration tests. Advanced proficiency in a suite of technologies, including Node.js, React Native, AWS Services, Docker, and K8s, coupled with a commitment to best practices in software engineering, notably in database optimization, API design, and DevOps techniques.

- Сertified Azure DevOps Engineer with more than 20 years of experience in software and database development (С# and VB.NET) - 5+ years of experience in managing distributed development teams. I have participated in more than 15 projects, mostly of middle and large size, and have been involved in all stages of the release cycle, including analysis, design, coding, deployment, development and testing. I am versed in supporting new applications and developing new features for existing complex applications. - Skilled in refactoring, migration, and performance optimization, as well as in extending the functionality and maintaining the existing features. - Open-minded and goal-oriented team player with strong interpersonal and communicational skills. - Can learn quickly under tough deadlines. - Constantly looking for opportunities to improve my skills and knowledge in system design and algorithms.Industries: Logistics and transportation, banking and finance, information technology and services, professional services, computer software.

- Software Developer with over 7 years of experience - Experience with React over 7 years - Experience with React Native over 3 years, which included migration from Java to React Native and building a medical platform - Experience of work in mixed teams - Upper-Intermediate English

- Extensive experience in leading UX research initiatives, with a focus on enhancing user experiences through observational research, ideation workshops, and design thinking methodologies. - Proven ability to uncover critical user insights, drive product development strategies, and lead cross-functional teams to achieve significant business growth and user engagement. - Deep expertise in behavioral research, including conducting user interviews, observational studies, and analyzing complex data to uncover key behavioral patterns and user needs. - Certified in Design Thinking Workshop Facilitation, with a strong ability to lead workshops using tools like Mural and Miro, fostering innovation and creative problem-solving. - Certified Scrum Master (CSM) with expertise in Scrum methodologies, capable of leading agile teams to deliver high-quality products on time. - B.Tech in Computer Science and M.S. in Research in Computational Natural Sciences (Cognitive Neuroscience) from IIIT Hyderabad, with a strong foundation in both technical and research-oriented disciplines.

- Experienced UX Researcher with 5 years in mixed-methods research, data science, and software engineering. Leverages a technical background to advocate for user needs in innovative B2C products. - Expertise in leading end-to-end user research practices, with a proven track record in SaaS product development for diverse sectors, including hosting, finance, and social impact. - Spearheaded quantitative and qualitative research, including surveys, user interviews, and A/B testing, leading to data-driven decision-making and product improvements. - Successfully collaborated with cross-functional teams, including product managers, developers, and designers, to integrate user insights into product roadmaps, resulting in enhanced customer-centric features and strategic product offerings. - Proficient in using research tools and technologies such as Looker, Pendo, SUPR-Q evaluation, and natural language processing to conduct comprehensive user research and analysis. - Experienced in implementing design thinking methodologies and conducting ideation workshops to drive innovation in product development. - Native English.

- Motivated software engineer with 7 years of iOS development experience (Swift, SwiftUI, and Objective-C). - Over 30 App Store project launches for iOS/macOS, including VPN, OpenVPN protocols, and deploy VPN servers) - Comfortable in both sole developer and team player roles, team-lead experience - Back-end experience with GoLang (last two years) - Upper-Intermediate English - Available to start ASAP

- 11+ years of experience in web development and 4 years of experience in the Fintech domain. - Proficient in various PHP frameworks such as YII2, Laravel and Symfony. - Experienced in front-end technologies including HTML5, CSS3, SASS, LESS, and JavaScript. - Strong knowledge of APIs and integrating payment gateways (Crypto, APM, S2S). - Expertise in designing and developing secure web applications. - Familiarity with AWS, Microsoft Azure, and other cloud infrastructure management. - Proven track record of successfully delivering projects on time and within budget, receiving commendations for technical prowess, innovative solutions, and team collaboration. - Location: Poland - Available: ASAP

- Award-winning Product UI/UX Designer with 5+ years of experience at top-tier product companies in Ukraine. - Specializes in designing intuitive and visually captivating user interfaces for web and mobile apps in the e-commerce and SaaS domains. Proficient in the entire design process, from ideation and wireframing to prototyping and iterative refinement. - Upper-Intermediate English. - Start ASAP

- Over 5 years of diverse experience in IT and expertise in Swift and various iOS frameworks in various fields (Social Chats/Communication, online language learning, healthcare, food & delivery). - Basic experience with network protocols & vpn (several months projects) - Available ASAP (Deferment from mobilisation till summer 2026) - C1 English

A seasoned iOS developer with over 7 years of experience, specializing in the Apple ecosystem. Proficient in Swift, Objective-C, SwiftUI, and Kotlin, with strong expertise in reactive programming, databases, networking, and multithreading. This engineer is adept in implementing various architectural patterns such as MVVM, Singleton, and Dependency Injection. Their technical background is solidified by a Master's degree in System Engineering and Computer Science. Their professional portfolio spans several domains, including Security, Healthcare, and FinTech, showcasing a versatile approach to app development. Key contributions include developing CI/CD pipelines, performing comprehensive testing, and successful App Store deployment. Strengths include advanced knowledge of networking protocols, database management, and multiparadigm programming, making the engineer a well-rounded candidate for complex iOS projects.

- Experienced System Software Engineer with 12+ years of experience designing and implementing firmware-level and system-level security solutions, sophisticated OS-kernel extensions and device drivers, hi-loaded systems development, and data processing. - Solid foundation in building secure, real-time operating systems and extending Linux kernel capabilities, with strong proficiency in both C and C++. - Instrumental in architecting and implementing UEFI hypervisors and firmware for Class B medical devices, emphasizing security features like CryptoCell for secure communications. - Proven capabilities in vulnerability analysis, leveraging tools like Angr and AFL for automated firmware testing. - Played a key role in SDLC, driving modern software architecture practices and security foundations in projects across medical and information security industries. - Upper-Intermediate English

- 5 Years in iOS Mobile Applications development - Strong grasp of Apple development tools (Xcode, LLDB, and Instruments) Currently using LLDB - Is able to mock up proposed user experiences and interactions rapidly - Understanding of Swift, Objective-C memory management, and writing apps with a low memory footprint - Have experience with UI и Unit tests, setting up CI - Hands-on experience developing VPN client applications using Packet Tunnel Provider and NWProtocolWebSocket. - Experience in writing unit, integration, and UI tests - Participated end-to-end, incuding testing, refactoring, and post-launch support. - Upper-Intermediate English

- iOS software developer with 10+ years of experience. Participated in developing an architecting different iOS applications: from iOS AVFoundation players to iPad book readers, from hospitality and Digital Key experience to VPN and security (privacy) applications. - Comprehensive knowledge of core iOS frameworks, excellent hands-on experience in CI/CD pipelines setup, Unit testing and UI prototyping. I have complete knowledge of Apple development guidelines and put 20+ applications to the AppStore. - Strong team player: Always set the product’s needs and team’s goal at the topmost priority. Occupied team leader positions and have lead my teams to growth, and have proven leadership experience. - The scope of professional interests is in between cutting edge technologies: from modern REST API stack technologies to networking, from big-data and machine learning to computer vision applications. - Work expectations would perfectly match with iOS application development and architecting; taking a part in prototyping of UI/UX with technical expertise; leading the team and perform technical expertise of any level. The main goal is to develop robust, advanced and feature-full applications for the world-wide auditory. - Upper-Intermediate English

- 7+ years of experience as an .NET Software Engineer - A Full Stack Software engineer with strong knowledge of developing comprehensive solutions from scratch. Expertise in all phases of the software development life cycle (SDLC) - project analysis and planning, requirements analysis, architecture design, development, testing, deployment, and documentation. Using modern technologies that stream data between systems, customers, and partners during the project development process. - English: Upper-Intermediate

- Software engineer with a decade of experience, skilled in a multitude of programming languages including Swift, Objective-C, and Java. - Expert in developing for iOS with in-depth knowledge of frameworks such as UIKit, SwiftUI, CoreData, and an adept understanding of BLE technology. - Led the maintenance and feature development of a well-known iOS VPN and Password Manager application, focusing on optimizing performance and implementing new features. - Utilized MVC architecture alongside Objective-C and Swift to enhance the functionality of the VPN and Password Manager application. - Played a key role in refactoring the VPN application codebase to improve efficiency and maintainability. - Leveraged Alamofire for network management within the VPN application, ensuring reliable and secure connections. - Collaborated closely with the development team to maintain the high quality of the VPN application's user experience and performance. - Upper-Intermediate English

- Master's Degree from the Kharkiv National Aerospace University - Developed a Smart Thermostat with self-learning capabilities and remote mobile app control, utilizing MSP430 microcontroller, ZigBee, and ultra-low power technologies. - Designed an Energy Management System for remote heating control, incorporating automatic and manual modes, and leveraging STM32, Qualcomm Snapdragon 410, and PCB design. - Created firmware and PCB design for a Pump Monitoring System with a GUI for pump operation control, employing ESP IDF, FreeRTOS, and memory management. - Engineered a Mosquito Sensor to detect and transmit data on specific insect forms using STM32L4, LoRa, and GPS technology. - Expert in programming embedded systems with experience in C, and C++, and integrating various communication protocols such as I2C, SPI, and UART. - Proficient in using embedded Linux for system development, including working with Qualcomm Snapdragon and managing system resources. - Experienced in mobile application integration for both iOS and Android platforms, ensuring seamless user interaction with embedded devices. - Upper-Intermediate English