Upstaff Developer Profile Directory

- Back-end development and maintenance of websites using PHP and MySQL. - Experience with WordPress CMS, plugins, custom applications with Laravel framework, API integrations. - Available mid July - Intermediate English

- 10+ years of work experience with Java stack and about 5 years as Technical lead; - Deep skills working with PostgreSQL, MongoDB, and RabbitMQ; - Good knowledge of AWS; - In-depth abilities working with Docker; - Experience working with Kotlin; - Experience working with banking and financial projects; - 3 years experience as Team Lead; - Confident knowledge in development with Java Frameworks; - Experience as a cloud architect; - Experience with implementing Full Stack Features; - Hand on development of the application from the scratch, maintaining the legacy projects, testing, bug fixing, and deployment; - Experience in collaboration with distributed (including international) teams leveraging SCRUM methodology; - Able to work both as a team player and on individual assignments; - Upper-Intermediate English; - Available ASAP.

- 7+ years experience as Automation QA Engineer. - Experience working with Python, Java, Ruby, and JavaScript; - Deep understanding of Selenide, Selenium Webdriver, Cucumber, Postman, and Cypress; - Good knowledge of API testing, Test Cases, and Test Plan; - Strong communications skills, team-leader player, leads a discussion player and resolves problems of any nature. - Abilities working with Confluence; - Implementation of dashboards with graphs for all processes; - Upper-Intermediate English. - Start ASAP

- Cloud DevOps specialist with over 13 years of experience. - Have experience in architect and develop technical solutions for various on premise and Cloud based projects. - Good experience in Azure cloud, ci\cd, automation, deployment of HA systems. - For last 4 years participated in many projects related to Azure cloud. - Upper-Intermediate English - Available: ASAP

- Qualified software engineer, Certified Salesforce Developer, and Administrator - Available ASAP

- 8 years of working experience, got certified as CKA in 2022; - Experience in communicating with foreign colleagues & customers; - Strong knowledge in Linux (RHEL/OEL) server administration and MySQL/Oracle database management systems; - Experienced in source code management (git, GitHub /Gerrit), shell scripting (Bash, Python, Perl) and automation (Ansible); - Passionate about microservices architecture and cloud, have experience with AWS as well as with GCP and Azure, Terraform; - Good team player, serious about the job; - Creative and open-minded person;

- 8 years of work experience in IT; - Experience working with Kotlin; - Good understunding of PostgreSQL; - Good skills with SQL, MySQL, and SQLite; - Experience working with banking and financial projects; - Deep skills working with Docker and Kubernetes; - Good knowledge of Python; - Functional programming (lambda calculus, typed lambda calculus, lazy evaluations, pure functions); - GRASP and GoF Patterns, UML; - Good logical thinking, self-learning, and high level of responsibility; - Intermediate English; - Available ASAP

- Xamarin developer with more than 7 years of experience in IT industry. - With Xamarin specifically I’ve been working for the last 6 years. - Deep knowledge and professional expertise in C#, Xamarin iOS and Xamarin Android (both Native and Forms). - Experience in participation in full life-cycle of software design and development process including requirements gathering and analyzing, technology selection and architecture design, application core development, testing and deployment. - Upper-Intermediate English. - Available ASAP

- 10 years of software development experience - 7 years of commercial experience with TypeScript and 6 years of commercial experience with Node.js - Upper-Intermediate English - Available ASAP

- Full Stack Developer with 4 years of experience creating different projects from scratch; - Specializing in Backend development. Experienced with all stages of creating the product: from discussion with the customer, architecting, implementing, and testing, up to production; - Worked mostly with Nest JS for backend, Vue, React and Angular for frontend; - Familiar with SOLID, DRY and other clean code design principles. - Intermediate English. - Available ASAP.

- 9+ years experience as Full-stack Developer. - Full-Stack Engineer has been developing network applications, services, and websites for over five years. - Extensive experience in network application development, web services, databases, support, deployment, server configuration, and high-performance performance monitoring solutions. - Upper-Intermediate English. - Available to start ASAP

- 5 years of experience as a Middle React.js Developer - He has experience with web interfaces and react.js and node.js technologies. Experience with PWA on projects, also worked with PHP, C++, C#, and Android development. - Upper-Intermediate English - Available ASAP

- 13 years of experience in application software development. - Experience of development mobile applications, desktop applications, database applications, WEB-applications, Static Code Analyzing, Team management. - More than 6 years of experience in administration IT infrastructure, passed MCP, MCITP, MCSA certifications. - Upper-Intermediate English. - Available ASAP.

- 2+ years of experience as a Middle React.js Developer - He has experience working on an SSR application on React.js/Next.js/Node.js/TypeScript. Knowledge in building high-quality JS and react.js applications. Engaged in the approach to performance optimization tools. - Upper-Intermediate English - Available ASAP

- Proficient in Node, Typescript, and Express, with experience in multiple backend development roles, working on projects related to education, healthcare, and SEO optimization. - Utilized tech stack including Nest.js, PostgreSQL, TypeORM, Redis, GCP, REST, and WebSockets while developing platforms for physicians and improving healthcare services. - Successfully integrated ElasticStack and implemented admin panels for SEO entities in a platform designed for automated SEO optimization. - Developed and maintained microservices for a healthcare company, focusing on notifications, messages, calls, and emails, utilizing technologies such as Express, Nest.js, MySQL, MongoDB, Sequelize, and Firebase. - Consistently prioritized efficient workflows and high test coverage, introducing git flow strategies and achieving 90% unit test coverage in microservices. - Upper-Intermediate English - Available ASAP

- 15+ years experience as Python Developer/Data Engineer. - Has experience with SQL and data modeling skills. Also, with migration from one data warehousing solution to another. Solid experience designing and implementing a complex data warehouse or database schema. And has implemented an ETL pipeline using dbt, and AWS. - Upper-Intermediate English. - Start ASAP

- 3+ years experience in the IT industry as a Java developer - Has skills in developing microservice applications - Has experience in programming Spring Framework, Hibernate - Great knowledge of Java Core - Upper-Intermediate English - Available ASAP

- Qualified software engineer, Salesforce Developer, and Administrator - Upper-Intermediate English - Available ASAP

- Experience: 4+ years - Intermediate English. - Available ASAP.

- 4 years of experience in the IT - Experienced in the full project life cycle from design to implementation to integration - Upper-Intermediate English - Available from 19.07

- 10+ years of web development - Upper-Intermediate English. - Available ASAP.

- 10+ years of experience in software development - Extensive experience in the expansion and creation of themes/plugins, setting up new sites, support and modification of existing sites on WordPress - Created 200+ web sites targeted for various business areas and industries - Excellent knowledge of WordPress and popular plugins: WooCommerce, Gutenberg, ACF Web development experience, using OOP, PHP, AJAX, MySQL, JavaScript, XML, HTML and CSS - Understanding of cross-browser, adaptive layout and semantic HTML markup o Excellent knowledge of HTML5, CSS3, JavaScript, jQuery, Bootstrap - Integration with API NameCheap, PayPal and other services - Experience with Responsive Web Design, Mobile Web Development, Web Performance, Cross-Browser / Cross-Platform Development, Version Control - Software architecture design, using object-oriented and modularity principles o Experienced in building, maintaining, design implementation, end to end setup of the whole website on WordPress - Experienced in applying the GIT for the website development - Performs analysis, support and refactoring of the Legacy Encoded Applications - Flexible and able to work under the high pressure to ensure that projects are completed within the deadline - Intermediate English

- I am qualified and professional full-stack developer. - Responsibility is my strong part and I have the ability to meet deadlines. - 5 years of experience shipping innovative and scalable web solutions with React.js, Vue and Node.js. - I have Strong technical architecture and platform engineering skills and can easily switch between technologies - Upper-Intermediate English. - Available ASAP.

- 3 years of experience as a Middle React.js Developer - He has programming experience and knowledge in JavaScript, React.js (Next.js), and TypeScript. Likes to apply new development methods, design patterns, and current trends, as this is important for product quality. - Upper-Intermediate English - Available ASAP

- Back-end developer with 6+ years of commercial experience; - 4+ years of experience working with Node.js and Express.js; - Good knowledge of work with AWS, Doker; - 5+ years experience working with CORS; - Skills in working with blockchain projects; - Experience working with the DEX project in the field of DeFi; - Deep understanding of creating DB and API structure and implementing app logic; - Good collaboration with the product team to understand requirements and business specifications; - Highly motivated to do amazing products, like to learn new technologies; - Intermediate English; - Available: ASAP.

- Frontend developer with 4+ years of experience - Basic knowledge of Node.js on the back-end side - Experience working in both large and smaller teams - Has experience in technological solutions for improving business processes - Intermediate English - Available ASAP

- 16 years of experience in IT. 3 years of experience as a Flutter Developer. - He has experience in developing applications from scratch using the Flutter framework. - Intermediate English - Available ASAP

Senior FullStack Developer

- 8+ years of experience in the IT industry developing native IOS applications - Providing a full-cycle mobile development using the latest versions of Swift and Objective-C - Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC, and MVVM - Upper-Intermediate English - Available ASAP

- 3+ years of experience with NodeJS, WebPack, Babel, PHP, BEM, AWS; - Work experience with Express.js; - A good understanding of how the infrastructure of blockchain projects works; - Experience working with NFT projects; - Good skills in fixing existing bugs and implementation of new functions in the backend of blockchain projects; - Experience in creating from scratch API connectors in Node.js-based for Polkadot blockchain; - In-depth skills in creating from scratch backend on Node.js-based to interacting with the blockchain, gathering data, and distributing rewards using smart contracts; - Intermediate English. - Available: ASAP

- A middle Ruby on Rails engineer with over 5 years of commercial experience in web development - Experience in refactoring and high-performance application development. - Upper-Intermediate English - Available ASAP

- Having 9.4 years in the Testing domain which includes both Automation and Manual testing on web-based and mobile-based applications using Serenity, BDD Cucumber, selenium web driver, MySql, and java. - Has Manual testing experience, well versed with the SDLC/STLC. Experience in Writing/Execution of Test cases and Expertise in Functional, Integration, and System Testing. Also, has a good working knowledge of Smoke, Regression & Ad-hoc testing. - Upper-Intermediate English. - Location - Poland - Start ASAP