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.
All
All
Web Application
Data and Analytics
Operations and Cloud
Mobile Application
Digital Platforms
Blockchain
Design and Creative
Quality Engineering and Testing
Delivery Management and Analytics
Desktop Software
Writing and Translation
Marketing and SEO
Scripting and Automation
Embedded Systems
Low-Code
GameDev
Industrial Engineering
Java 5yr.
Solidity 3yr.
ETH (Ethereum blockchain) 3yr.
TypeScript 2yr.
Node.js 1yr.
- Software Engineer with 5 years of experience in building web applications and expertise in blockchain, DeFi, NFT, and tokenization domains.
- Proficient in programming languages such as Solidity, Node.js, Python, and Java.
- Experienced in back-end development using technologies like Spring, Hibernate, and JDBC.
- Skilled in working with blockchain technologies including Ethereum, ERC721, ERC1155, and EIP712.
- Familiar with CI/CD tools like Jenkins and containerization platforms like Kubernetes and Docker.
- Strong knowledge of database management systems like PostgreSQL, MySQL, and MongoDB.
- Well-versed in agile methodologies like Scrum and Kanban, with a solution-oriented approach to project objectives.
Python 4yr.
ETH (Ethereum blockchain) 3yr.
Rust 2yr.
DAO 2yr.
- Blockchain developer / Software Engineer with 5 years of experience in the field.
- Proficient in programming languages such as Solidity, Rust, and Python.
- Extensive knowledge and experience in blockchain technologies including Ethereum, Optimism, Waffle, Truffle, and Ganache.
- Skilled in backend development using frameworks like Django, Django Rest Framework, and FastAPI.
- Experienced in working with databases like PostgreSQL and MongoDB.
- Proficient in cloud services and DevOps tools such as AWS, Docker, and Docker Compose.
- Strong expertise in version control systems like Git and collaboration platforms like Bitbucket and GitHub.
OutSystems 6yr.
- Experienced software engineer with 16 years in the IT industry, including 6 years dedicated to the OutSystems platform.
- Extensive expertise in software development and architecture. Strong understanding of technology and ability to design and implement OutSystems-based solutions.
- Knowledge and experience in various technologies such as Java, Oracle, SAP Netweaver (PI, NWDS, WAS), and SAP GRC NFe.
- Has experience leading teams of 4-16 team members
- Skilled in Agile methodologies and experienced in leading development teams.
- Successfully delivered high-quality projects and demonstrated leadership skills.
- Has OutSystems Tech Lead, Web, Associate, and Reactive Developer certifications
- Upper-Intermediate English.
OutSystems
.NET
- 10+ years of experience in the IT industry as a .NET/Outsystems Engineer with a track record of successfully designing, developing, and optimizing software solutions.
- Acquired technical skills spanning .NET, C#, OutSystems, Java, HTML, CSS, Web Services, and more.
- Translated .NET applications to Outsystems for major clients, such as KAS Client Bank and Ahold.
- Played a key role in architectural shifts, like the implementation of microservices and risk assessment frameworks.
- Developed a range of applications, including time registration, stock prediction, and risk assessment platforms.
- Has an Associate Web Developer and Professional Web Developer 10 OutSystems Certificates.
- 8+ years of experience with OutSystems
- Advanced English
UI/UX
- A wide profile Qualitative Researcher with strong academic background, over 12 years’ experience in the field of marketing research and a big passion for UX and Human Centered Design.
- In 2021 I have undertaken a UX Design bootcamp in order to deepen my UX knowledge.
- Recently, after a few years in Finland I moved back to Poland, therefore I am determined to further my career as a UX Researcher in this country.
- Expertise: usability testing, IDI’s, diads, triads, mini groups and FGI’s, ethnography: in-home visits, observations, diary studies, artifact analysis, discussion forums, workshops, surveys, AB tests, mouse-, click- and eyetracking sessions.
- Advanced English
Java
Kotlin
- Experienced Android Engineer with 7 years of commercial experience and a strong track record of delivering innovative and robust mobile applications.
- Proficient in Kotlin and Java, with expertise in MVVM and MVP architectural patterns.
- Skilled in refactoring and improving existing codebases, implementing new features
- Extensive knowledge of integrating SDKs like Here Maps, Firebase, Glide, and Realm.
- Has experience working on navigation and banking applications.
- Upper-Intermediate English
PHP 10yr.
- Experienced PHP developer with over 10 years of experience in developing robust codes for businesses in different sectors.
- Proficient in technologies such as PHP, Laravel, Vue.js, Git, MySQL, Selenium, GCP, AWS, and AWS Lambda.
- Strong background in computer systems analysis and information technology, with a degree in Computer Systems Analysis from Federal Technological University of Paraná.
- Successfully created a web application from scratch that was adopted in the intelligence section of the Military Police of Paraná.
- Developed a new version of an app using Laravel for backend/API and Vue.js for frontend, improving performance and lowering costs.
- Created a robust online learning platform for church members during the pandemic, with over 500 active students.
- Migrated over 100 databases to Google Cloud and implemented code control using Git for the Intranet project.
- Advanced English.
- Native Portuguese
AWS
GCP
- Senior Data Engineer with a strong technology core background in companies focused on data collection, management, and analysis.
- Proficient in SQL, NoSQL, Python, Pyspark, Oracle PL/SQL, Microsoft T-SQL, and Perl/Bash.
- Experienced in working with AWS stack (Redshift, Aurora, PostgreSQL, Lambda, S3, Glue, Terraform, CodePipeline) and GCP stack (BigQuery, Dataflow, Dataproc, Pub/Sub, Data Studio, Terraform, Cloud Build).
- Skilled in working with RDBMS such as Oracle, MySQL, PostgreSQL, MsSQL, and DB2.
- Familiar with Big Data technologies like AWS Redshift, GCP BigQuery, MongoDB, Apache Hadoop, AWS DynamoDB, and Neo4j.
- Proficient in ETL tools such as Talend Data Integration, Informatica, Oracle Data Integrator (ODI), IBM Datastage, and Apache Airflow.
- Experienced in using Git, Bitbucket, SVN, and Terraform for version control and infrastructure management.
- Holds a Master's degree in Environmental Engineering and has several years of experience in the field.
- Has worked on various projects as a data engineer, including operational data warehousing, data integration for crypto wallets/De-Fi, cloud data hub architecture, data lake migration, GDPR reporting, CRM migration, and legacy data warehouse migration.
- Strong expertise in designing and developing ETL processes, performance tuning, troubleshooting, and providing technical consulting to business users.
- Familiar with agile methodologies and has experience working in agile environments.
- Has experience with Oracle, Microsoft SQL Server, and MongoDB databases.
- Has worked in various industries including financial services, automotive, marketing, and gaming.
- Advanced English
- Available in 4 weeks after approval for the project
Solidity
- Accomplished Full Stack Developer with 6 years of hands-on experience in delivering top-notch decentralized applications and troubleshooting for many startups and firms.
- Focused on creating collaborative efforts between support and engineering teams to implement system or product level changes to benefit end-users.
- Eager to support building an impeccable online reputation by providing high-level customer support for startups and firms.
- Upper-Intermediate English.
- Available: ASAP
UX research
UX Design
- UX Researcher and UX Designer with 12+ years of experience in the field.
- He has a strong background in software engineering and holds a degree in Applied Psychology.
- Has worked with various companies, including Deem, Verizon Connect, intive, StepStone, and Laboratorium EE.
- Has experience leading research teams, establishing best-practice workflows, and delivering high-quality insights to product teams.
- Skilled in ethnography, contextual inquiry, web analytics, usability testing, and design thinking.
- He is a strong communicator and collaborator, with a focus on user-centered and strategic thinking.
- Fluent in English and has a B2 level proficiency in Polish.
AWS
Azure
- DevOps Engineer with over 4+ years of experience in system administration and infrastructure development;
- Experienced in deploying, configuring, maintaining, and troubleshooting applications and software on various servers;
- Skilled in popular DevOps management systems and tools such as AWS, Azure, GCP, Jenkins, and Terraform;
- Proficient in cloud platforms, CI/CD processes, containerization (Docker, Kubernetes), and monitoring tools (Prometheus, Grafana);
- Strong background in Unix-like operating systems, web servers (Nginx, Apache), and databases (MySQL, PostgreSQL);
- Experienced in scripting and automation using languages like Python and Bash;
- Experience working with AI.
Ant Design
3D Modelling
UI/UX
- Experienced in working with various technologies and tools, including data analytics and BI tools, data engineering, artificial intelligence and machine learning, and data visualization.
- Familiar with methodologies, principles, and paradigms of software development, such as Agile and Scrum.
- Skilled in problem-solving through research and creative idea generation.
- Experienced in full software development lifecycle (SDLC) and project delivery.
- Strong knowledge of design patterns and best practices in software engineering.
- Excellent collaboration and communication skills, demonstrated through successful project collaborations and team leadership.Throughout their career, the engineer has worked on various projects, including marketing design for an e-commerce platform, design lead for a document management project, concept design for an augmented reality platform, and freelance graphic design work. They have contributed to the development of fresh brand identities, website revamps, and the creation of template builders. They have also collaborated with cross-functional teams and stakeholders to deliver successful projects.Overall, the engineer's technical skills, extensive experience, and achievements make them a standout candidate for software engineering positions.
Adobe Illustrator 4yr.
Figma 2yr.
UI/UX Design 2yr.
UI design 2yr.
Michael Adegbola is a graphics designer with a strong background in branding, UI/UX design, and web design. He has expertise in tools such as Illustrator, Figma, Photoshop, and Webflow. Michael has a graphics design diploma from Shaw Academy and has also studied industrial design at the Federal University of Technology, Akure. He has experience working as a founder/senior designer at Dwayne Creative, where he has created brand identities and designed products. Additionally, Michael has worked as an in-house UX designer at Blue Digital, focusing on brand and social media management. He has also worked as a designer at Fastryders. Michael's technical skills include, visual design, graphics design and product design. He is a motivated, positive-thinking, organized, and responsible professional.
Magento 1 15yr.
Adobe XD 2yr.
CI/CD 2yr.
RESTful API 2yr.
- Full-stack Developer with 15 years of experience in Magento platform and Adobe ecosystem
- Experienced in e-commerce platform development and deployment for large infrastructure projects
- Proficient in Continuous Integration and Continuous Delivery, API integrations, and ERP systems
- Strong communication and collaboration skills, detail-oriented and highly motivated
- Magento Certified Developer Plus with team lead experience
- Skilled in Magento 2.x, Magento 1.x, headless development, REST API, GraphQL API, React, VueJS, Salesforce, SRE, DevOps, GitLab, Composer, CI/CD, IAAC, Docker, Vagrant, Laravel, Microservices, and Sentry
- Worked with international brands, participated in put-to-market processes, and expanded into multiple markets
Python 5yr.
- 5 years of experience as a Data Engineer;
- Proficient in Java, Python, JavaScript, and Bash scripting;
- Experienced in working with databases such as MSSQL, MySQL, Postgresql, MongoDB, Oracle, DynamoDB, and Redshift;
- Skilled in using IDEs like Eclipse and IntelliJ IDEA;
- Knowledgeable in Maven, Servlets API, OOP, design patterns, JDBC, Hibernate, JPA, log4j, Git, SVN, Spring core, Spring MVC, Springboot, Hadoop, Spark, JSON, boto3, SQL Alchemy, spark, Pyspark, AWS lambda, AWS CLI, Jenkins, Kafka, jetty, REST;
- Has experience in various domains including data engineering, backend web development, and software development;
- Holds certifications in AWS machine learning and problem-solving;
- English: Upper-intermediate.
Ruby 12yr.
Elixir 7yr.
React
- Backend and data engineer with ops skills and an interest in front-end development;
- Experienced in Ruby on Rails, Elixir, Python, Node JS, React, and Vue;
- Proficient in designing and implementing microservices and APIs;
- Skilled in working with distributed systems and databases;
- Strong focus on writing clean, efficient, and tested code;
- Experienced in CI/CD, code quality, and automatic delivery and deployment;
- Familiar with Agile methodologies and working in SCRUM teams;
- Upper intermediate English.
PHP
Symfony
Laravel
- PHP developer with 6+ years of extensive experience in web development using Symfony and Laravel frameworks
- Successfully contributed to the development of various e-commerce, social networking, and web applications.
- Strong familiarity with cloud services, including AWS Lambda, Amazon S3, and Amazon CloudFront.
- Knowledgeable in database management systems like MySQL and PostgreSQL.
- Proficient in programming languages such as PHP, JS, and Python.
- Skilled in software architecture design, UML, and design patterns.
- Experienced in working with Agile and SCRUM methodologies.
- Advanced English.
Adobe Photoshop 7yr.
Figma 5yr.
- Experienced UX/UI designer with over 5 years of expertise in web and mobile app design.
- Proficient in creating illustrations, logos, and icons, showcasing strong graphic design skills.
- Skilled in developing Figma components and libraries for seamless and user-friendly experiences.
- Strong background in user-centric design, problem-solving, and attention to detail.
- Extensive experience in wireframing, prototyping, and user research for effective product design.
- Proficient in tools such as Figma, Adobe Photoshop, and Adobe Illustrator.
- Worked on diverse projects in industries like financial services, healthcare, and education, showcasing adaptability and versatility in design.
- Upper-Intermediate English
Node.js 5yr.
- More than 4 years of professional experience in web development and database design.
- A team player focused on achieving project objectives with speed and accuracy.
- Experienced in full project life cycle from design to implementation to integration.
- Upper-Intermediate English
Node.js
PHP
- More than 8 years of professional experience in backend development.
- Proficiency at application architecture principles (including SOLID / DDD / DRY / KISS).
- Understanding and efficient usage of design patterns.
- Extensive experience in designing and implementing Cloud-based solutions across various delivery methods (SaaS, PaaS, IaaS), enhancing scalability, flexibility, and cost-efficiency.
- Project/ tasks estimation (concept-based, milestone, roadmap, detailed). Agile / Scrum / Kanban (both team
management & development).
- Test-driven development (real unit- & acceptance- tests usage everyday).
- High load optimization (both game backend and enterprise system solutions).
JavaScript
HTML5
CSS
- Active software engineer with over 7 years of professional enterprise experience in developing and maintaining web applications.
- Skilled in testing, cloud computing, and web development.
- Proficient in HTML5, CSS3, JavaScript, and other web development technologies.
- Experienced in both back-end and front-end development, with expertise in creating user-friendly and effective websites and applications.
- Strong knowledge of JavaScript frameworks such as Vue.js and React.js.
- Familiarity with .NET and .NET Core, as well as ASP.NET MVC and Web API.
- Proficient in working with databases such as MSSQL, MySQL, MongoDB, and Postgres.
- Experienced in cloud infrastructure platforms like AWS and Google Cloud Platform.
- Knowledgeable in CI/CD processes, using tools like Terraform, Gitlab, and Docker.
- Advanced English
Dynamics 365 FO
Power BI
- Software engineer with 12+ years of experience in MS Dynamics ERP implementation and consulting.
- Experienced in onsite implementation and training for mineral water processing industry in Lusaka, Zambia.
- Proficient in working with USA-based shipping and payment add-ons.
- Skilled in NAV 2009, NAV 2013R2, NAV 2016, and NAV 2017.
- Managed overseas implementation, upgrades, and support projects.
- Strong experience in functionality testing for a leading travel retail industry in Zurich, Switzerland.
- Expertise in ERP consulting, project coordination, and post-implementation support.
- Technical skills include CAL, AL, Power BI, SQL Server Management Studio, Visual Studio, and MS SQL Server 2014.
- Holds an MBA from the National Institute of Management (2008) and a B.Com from Bhavnagar University (2004).
- Successfully completed projects for clients in the mineral water distribution, retail, automation, and promotional marketing industries.
- Proficient in requirement gathering, system design, testing, and execution.
- Familiar with Agile methodologies and ticket management tools like JIRA, Proofhub, and Wrike.
- Excellent communication skills with clients and key users.
- Demonstrated ability in project management, resource management, and problem-solving.
- Strong knowledge of software development life cycle (SDLC) and software development practices.
- Expertise in CAL-AL, Power BI, Visual Studio, Avalara Tax Addons, Charge Logic Credit Card Addons, and web services.
- Experienced in role and responsibility configuration, process flow chart creation, and key user training and support.
- Proficient in analyzing information system needs and custom designing solutions.
- Outstanding relationship builder with company management, key business leaders, and staff.
Communication Skills
SPSS
DATA ANALYST
- Experienced software engineer with a strong background in computer science and a Bachelor's degree in Economics and Sociology.
- Proficient in various programming languages, including but not limited to Java, Python, and C++.
- Skilled in software development methodologies, principles, and patterns, with a solid understanding of the SDLC.
- Experienced in developing and implementing software solutions, with a focus on problem-solving and delivering high-quality products.
- Familiar with a wide range of technologies and tools, including MS Office Suite, SPSS, STATA, and more.
- Strong analytical and problem-solving skills, with the ability to collaborate effectively in cross-functional teams.
- Excellent communication and interpersonal skills, with a proven track record of delivering results and exceeding expectations.
MS Dynamics 365
MS Dynamics CRM
Microsoft Certified D365 CRM Techno-Functional Consultant
Strong knowledge of the System Development Life Cycle (SDLC) model
Proficient in developing web-based applications using C#.Net, Asp.Net, Web services, and MS-SQL Server
Experience in project management using Jira
Strong interpersonal and communication skills, with the ability to lead a team
Proficient in Dynamics 365 CRM, ASP.NET, WPF, Silverlight, C#, MVC, .NET Core, HTML/XHTML, Ajax, jQuery, Angular JS, JavaScript, CSS, Power BI, RDLC, Telerik Reporting, XAML, Microsoft Expression Blend, Web API, WCF, REST, Web Services, SQL Server, LINQ, Entity Framework, SQL LITE, Data migration, Hybrid Mobile App using Telerik App builder, UML, Coding Standards, NopCommerce, DocuSign, and Scrum methodologies.
Azure
- Experienced software engineer with over 3 years of experience in DevOps engineering and more than 15 years of experience in IT infrastructure;
- Proficient in communicating with customers and business stakeholders, troubleshooting and designing IT infrastructure;
- Skilled in hardware support for servers of different brands;
- Self-educated and continuously growing skills in networking, Windows, VMware products, Cisco, HPE, and Veeam;
- Expertise in Azure and AWS clouds, CI/CD, containers (SaaS, PaaS, IaaS, K8S, AKS, Docker, Kubernetes, Swarm), monitoring tools (Zabbix, Prometheus/Grafana, ELK Stack), IAAC (Terraform, Ansible), operating systems (CentOS, RedHat, Ubuntu, OraLinux, FreeBSD), application/web servers (NGINX, Apache, Tomcat, WEB hosting), databases (Azure SQL, MSSQL, PostgreSQL, MariaDB, MongoDB, MySQL), scripting languages (CSS, HTML, PHP, NODE.js, Python, Pascal, PowerShell, BASH), and more;
- Certified in Microsoft Azure Fundamentals (AZ-900) and Cisco NETacad;
- Extensive experience in implementing CI/CD/CD for CRM systems, launching projects, and resolving architecture issues;
- Proven track record in supporting and designing IT infrastructure, coordinating administrators, and providing user support in various organizations.
AWS
- Highly motivated Systems Engineer and DevOps with 13+ years of experience in Linux and FreeBSD systems administration, scripting, automation, and configuration management;
- Experienced in troubleshooting and root-cause analysis of complex infrastructure issues;
- Proficient in cloud platforms such as AWS, Azure, and GCP, as well as CI/CD tools like GitLab CI and Jenkins;
- Skilled in containerization with Docker and Kubernetes, and monitoring tools like Grafana and Prometheus;
- Strong background in database management with MariaDB, MySQL, PostgreSQL, and more;
- Proficient in programming languages such as Groovy, Bash, and PowerShell;
- Experienced in virtualization technologies like VMware ESXi and Proxmox, as well as hardware infrastructure planning and maintenance.
MS Dynamics 365
Dynamics 365 CE
Dynamics 365 FO
- Senior D365FO and CE developer, solution architect, and team/project manager with over 15 years of experience in the industry.
- Has experience in Microsoft Dynamics AX since 2005 and in CRM since 2011, making him an ERP and CRM systems expert.
- Has experience working with Dynamics Commerce and Retail (old module name in D365/Ax2012) on different Retail stores.
- Has experience updating from Retail to Dynamics Commerce
- Expert in Microsoft POS, MPOS, CPOS, Retail SDK
- Axapta and CRM Certified Professional and an experienced integration solution architect.
- He brings a wealth of knowledge and experience to every project he works on and is dedicated to helping clients achieve their goals through customized solutions and seamless integrations.
Pega
- Software engineer with 8 years of IT industry experience in testing and implementing JAVA & PEGA projects;
- Certified System Architect in PEGA 7v and Certified Senior System Architect in PEGA 8v;
- Skilled in all phases of Software Development Life Cycle (SDLC);
- Experienced in analysis, design, development, and implementation of BPM – PEGA/PRPC;
- Proficient in developing User Interface (UI) using Sections, Flow Actions, and Harness;
- Strong knowledge in PEGA 7 and PEGA 8, Oracle, Java 1.8, HTML, CSS, XML, JavaScript, and JSP;
- Familiar with Agile methodology and experienced in working with various databases and integration technologies.
MS Dynamics 365
.NET
C#
- Senior .NET developer with expertise in Retail and MS CRM development, specializing in POS development and root cause analysis for POS and backend issues.
- Skilled in programming languages such as C#, SQL/TSQL, TypeScript, JavaScript, and HTML5/CSS.
- Experienced in working with technologies and frameworks, including CRM SDK, .NET Framework/.NET Core, Dynamics 365 CE, Dynamics FO, Dynamics Commerce, ASP.NET/ASP.NET Core, and Azure.
- Proficient in working with databases such as SQL Server and CRM.
- Previous experience includes developing custom solutions for ITSM Province portal, healthcare, financial services, and travel industry projects.
- Familiar with software development methodologies, principles, paradigms, and patterns, as well as SDLC and software development best practices.
MS Dynamics 365
Power Apps
- Experienced middle software developer with 4 years of experience developing, designing, installing, testing, and maintaining software systems.
- Proficient in C#, .Net, MVVM, React, TypeScript, HTML, CSS, MS Power Apps, Logic Apps and Dynamics 365 CE.
- Skilled in various platforms, languages, and embedded systems.
- Experienced in bug fixing, development, task assessment, and communication with users and customers.
- Familiar with methodologies, principles, paradigms, and patterns in software development, as well as SDLC and software development practices.
- Upper-Intermediate
C++
- Senior Software Engineer with over 11 years of experience in full-cycle product development with video experience.
- Proficient in multiple programming languages including C++17, C#, Golang, Python, and SQL.
- Skilled in test-driven and behavior-driven development, with a focus on desktop and client-server application development for Windows, Linux, and Mac OS.
- Experienced in cloud application development using microservice architecture, Docker, AWS, Kubernetes, and SQL/NoSQL databases.
- Strong knowledge of Windows internals and driver development, including WinAPI, IPC, RPC, ATL/COM, KMDF drivers, and system services.
- Expertise in reverse engineering for Windows and Mac OS, using tools such as IDA Pro, WinDbg, and HEX editors.
- Proficient in data protection using system built-in and third-party crypto libraries like OpenSSL.
JavaScript 4yr.
TypeScript 4yr.
Angular 3yr.
RxJs 3yr.
- Enthusiastic and motivated front-end developer with a Bachelor's degree in Computer Science from Belarusian State University of Informatics and Radioelectronics.
- Proficient in Angular, JavaScript, TypeScript, HTML, CSS, and RxJs.
- Experienced in developing single-page applications (SPA) and creating complex UI designs.
- Skilled in troubleshooting and resolving issues of any complexity.
- Strong knowledge of software development methodologies, principles, and patterns.
- Familiar with REST API, GraphQL, and various development tools such as Git, GitLab, and Visual Studio Code.
- Successfully redesigned UIs for improved user experience and optimized applications for maximum speed and scalability.