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.
JavaScript 5yr.
MS Dynamics 365 5yr.
Microsoft Power Platform 5yr.
Azure 5yr.
...

Software Engineer with 5+ years of experience delivering enterprise solutions within the IT industry, with a strong focus on Microsoft Dynamics 365 and the Power Platform.

Experienced in designing, customizing, and maintaining CRM systems, building Power Apps, implementing automation workflows, and developing integration components that support business process efficiency.

Technical background in C#, JavaScript, Azure, SharePoint, and the Microsoft cloud ecosystem. Comfortable working independently on complex tasks as well as collaborating within cross-functional teams to deliver scalable, reliable solutions aligned with business goals.

Key achievements include:

  • Delivered Microsoft Dynamics 365 CRM customizations across multiple enterprise projects
  • Created automated Azure CI/CD deployment script reducing SharePoint site deployment time
  • Developed custom Power Apps applications and Power Automate workflows for business process automation
  • Built Azure Functions and Web API integrations extending CRM platform capabilities
  • Implemented automated testing solutions using Playwright for reliable CRM deployments

Integrated third-party services and developed custom plugins, workflows, and scripts

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Seniority Senior
Location Kyiv, Ukraine
JavaScript 5yr.
Node.js 5yr.
React 5yr.
...
Vladyslav S. is a Senior JavaScript Developer with 6+ years of experience specializing in React.js, React Native, and Node.js. Experienced with AWS services (Lambda, ECS, RDS, DynamoDB), Firebase, Terraform, and CI/CD pipelines (GitHub Actions, Docker). Proficient in REST APIs, state management (Redux, MobX), and modern frontend frameworks like Next.js and Angular. Strong team collaborator with clean code practices and a focus on scalable architecture.
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Seniority Senior
Location Ukraine
Python
TypeScript
Architecture and Design Patterns
...

Software Engineer with expertise in competitive programming, solving 1000+ problems on LeetCode/Codeforce, and demonstrated experience in architecting full-stack applications. Proficient in backend development with Python and Node.js, also skilled in mobile app development using Flutter. Track record includes developing high-performance RESTful APIs that handle 50K+ daily requests and implementing scalable FastAPI backends. Bachelor of Science in progress with a focus on software architecture, AI/ML systems from Adama Science and Technology University. Achievements include ranking 8th in ETCPC National Finals among 200+ teams and excelling in core programming languages and software development methodologies.

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Seniority Senior
Location Adama, Ethiopia
JavaScript 5yr.
TypeScript 5yr.
Python 5yr.
SQL 5yr.
HTML5 5yr.
...

Full-Stack Engineer with 5 years of experience building end-to-end web applications, distributed systems, and modern frontend experiences. Deep expertise in TypeScript, Next.js, Node.js, PostgreSQL, and cloud-native architectures.

Known for shipping high-quality features fast, owning projects from concept to production, and collaborating effectively in remote, async teams. Comfortable with modern tooling, AI-assisted development workflows, and architecting reliable, scalable solutions used by thousands of users.

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TypeScript 5yr.
JavaScript 5yr.
Node.js 5yr.
React 5yr.
Next.js
...

Software Engineer with 4 years experience, including FAANG tenure, excels in Web3, blockchain, and frontend technologies. Spearheaded development of high-traffic React and Next.js applications, enhancing performance metrics by 35%. Pioneered end-to-end decentralized solutions encompassing DeFi and NFT domains with strong proficiency in EVM, Solidity, and full-stack Web3 practices. Recognized for applying FAANG engineering standards to startup ecosystems, ensuring scalable and maintainable code. Holds a Bachelor's in Computer Science from Lviv Polytechnic National University, demonstrating a robust foundation in technical academia and a commitment to rigorous engineering methods.

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Seniority Senior
Location Chervonohrad, Ukraine
Django REST framework 3yr.
UML 3yr.
VBA 3yr.
SAP Automation Training
...
Software engineer with hands-on experience in Python, Django, HTML, and CSS, adept at full-stack web development. Proven track record with a recent internship at CODECRAFT INFOTECH where practical application of E-commerce web application development was achieved. Robust educational foundation highlighted by an intern instructor role in Python and Django at Ahub Technologies Ltd. Certified in Information Technology with solid understanding of computer hardware and software from Tenim Press Business Center. Skilled in Excel, CorelDraw, and E-commerce applications, with a focus on training and skill development at Ahub Plateau. Looking to apply strong problem-solving skills and technical expertise in Python Developer and Graphic Designer roles.
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Seniority Intern
Location Jos, Nigeria
React 4yr.
Ext JS 2yr.
TypeScript
React Router
Tailwind CSS
...

Accomplished software engineer with a demonstrated history of working in the information technology and services industry. Skilled in building scalable React applications, with a strong emphasis on front-end development and user experience. An effective leader with experience as a Senior React Developer and Front-end Lead, focusing on defining problems, clarifying specifications, and taking full ownership of projects. Successfully transitioned from earlier sales and operations roles to full-stack development, showcasing versatility and a continuous learning mindset. Education includes a Bachelor of Science in Information Technology with high accolades. Technically proficient in React, TypeScript, Next.js, and modern development tools, with a solid foundation in software development practices.

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Seniority Senior
Location Mecca, Saudi Arabia
Swift 6yr.
UIKit 6yr.
RxSwift
Combine framework
Crashlytics
...

Senior iOS Developer with over six years of experience in developing high-performance mobile applications. Expertise in designing scalable architectures such as VIPER, MVVM, and Redux and in optimizing app performance through in-depth profiling and code refactoring. Proven track record of improving messaging app stability by 20%, reducing memory usage by 30%, and enhancing fin-tech app user interfaces with custom UI components and animations. Delivered an innovative Bluetooth mobile app, enhancing building time by 25% and memory usage by 15%. Proficient in Swift, UIKit, RxSwift, Combine, Firebase, and Mapbox, with the ability to collaborate seamlessly with cross-functional teams. Possesses an advanced level in English and a strong grasp of various development frameworks and tools.

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Python 5yr.
Django REST framework 5yr.
SQL 5yr.
Celery 4yr.
FastAPI
...

Software engineer with 5 years of experience, excelling in Python/Django backend development and cloud-ready API creation. Proven track record includes architecting a One-Time Setup wizard for Adagrad AI that slashed deployment time by 95%, and designing a SaaS automation platform at Ascent Wellness & Pharma that saved $4,000 monthly and cut manual workflows by 70%. Skilled in advanced databases and cloud operations, with effective system design showcased by the development of a real-time analytics platform that won 3rd place in Maruti Suzuki’s innovation challenge. Holds a Bachelor's degree in Engineering and is proficient in Python, SQL, Django, FastAPI, and a suite of tools and technologies pivotal to modern software development, including Docker, RabbitMQ, and PostgreSQL. Recognized for innovation with awards such as Employee of the Quarter at Adagrad AI.

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Seniority Middle
Location Mumbai, India
Facebook Auth 3yr.
Dart 3yr.
...

A seasoned software engineer with 3 years in mobile development, specializing in Flutter and possessing a strong foundation in Java full stack technologies. Spearheaded development of sophisticated mobile applications including fintech and social media platforms, notably integrating third-party services like Plaid and implementing real-time tracking systems. In addition to solid UI/UX design skills, boasts proficiency with Spring MVC, Hibernate, and MySQL, complemented by full-stack Java development training. Holds a Bachelor's degree in Computer Science and has contributed to open-source projects, showcasing practical expertise in a variety of technical environments. A proven track record of architecting robust applications and optimizing performance through advanced programming techniques and methodologies.

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Seniority Senior
Location Sirhind, India
Unreal Engine
OOP
Clean Architecture
Python
Docker
...
Expert Data Engineer with 6+ years of professional experience, specializing in DataOps and DevOps, with a master's degree in Industrial Analytics from Uppsala University. Proficient in building scalable data pipelines using a variety of technologies including Snowflake, AWS, Lambda, PySpark, and Kafka, evidenced by success in event-driven pipeline creation and real-time data ingestion projects. Skilled in automating deployment using Ansible and GitHub Actions, and in data transformation with a focus on automation and efficiency. Accomplished in data analysis and visualization, utilizing tools such as Power BI, DAX, and Power Query. Possesses strong programming skills with extensive use of Python, and experience in database support with expertise in SQL. Demonstrated ability to develop IoT solutions, engage in network engineering, and apply advanced Linux administration techniques.
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Seniority Senior
Location Stockholm, Sweden
Flask
Python
Django REST framework
...
Software engineer leveraging robust academic foundation in Computer Science with hands-on experience in Flask, Python, and Django to build scalable web applications. Proven track record in deploying high-traffic websites leveraging advanced Django framework. Strong comprehension of software development life cycle principles, ready to contribute to cutting-edge technology projects.
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Seniority Intern
Location Abbottabad, Pakistan
React Native
Next.js
React
Redux-Saga
...
With over 12 years in the software industry, this Senior Full Stack Technical Lead excels in leading teams and architecting a wide range of applications using technologies like ReactJS, NextJS, React Native, Flutter, and NodeJS. This includes proficiency in Redux-Saga and Redux-toolkit for state management, as well as utilizing MaterialUI for UI development. Versed in both front-end and back-end coding languages, methodologies, and databases, they consistently deliver complex projects, such as a BBL Bank web application and managing a city center web portal in Saudi Arabia. Their engineering prowess is backed by a Diploma in Software Engineering and a B.Sc., reinforcing their strong theoretical foundation. Methodically familiar with SDLC and agile practices, they are adept at project management using JIRA and have experience in AWS environments. Additionally, their technical toolkit encompasses CI/CD pipelines with Jenkins and CircleCI, and version control expertise with Github and Gitlab.
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Seniority Architect/Team-lead
Location Ahmedabad, India
Rust
Azure Blockchain
Smart Contract
SOLID
Web3
...
Accomplished Full Stack Blockchain Developer with over 9 years of experience in the industry, specializing in the integration of Web3, Rust, Solidity, and other technologies to create innovative blockchain solutions and decentralized applications (DApps). Expertise in front-end and back-end development evidenced by projects like BIMA and Bitcross, with skills in JavaScript, React JS, Node.js, and database management. Adept in building robust smart contracts on various blockchains such as EVM, Solana, and Arch Network, having contributed to key projects including Bitflow, Nimbus, and Trustbet. A solid computer science foundation from Rajiv Gandhi Technical University bolsters a career marked by technical proficiency and readiness for team collaboration as well as independent work. Proven track record of leveraging full-stack development capabilities and deep blockchain knowledge to meet and exceed project requirements.
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Seniority Senior
Location Ahmadabad, India
Terraform
Linux
PowerShell
Monitoring systems
...
• 13 years managing IT infrastructures across Windows and Linux environments. • Automation (Ansible, Terraform), Сloud administration (Azure, AWS, GCP), and security hardening with OPNsense, PFsense, and Sophos. • SaaS administration and automation (Microsoft 365, Entra ID/Azure AD, SharePoint, Power Automate), including Identity and access management services with SSO. • Ability to design and maintain scalable systems, implement SIEM solutions, and optimize performance while reducing operational costs.
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Seniority Senior
Location Kyiv, Ukraine
TypeScript 5yr.
JavaScript 5yr.
React 3yr.
Playwright
Cypress
...
A seasoned Software Engineer with over 5 years of specialized experience in frontend development and test automation, as well as a decade in the IT sector. Key competencies include advanced proficiency with React ecosystem, TypeScript, JavaScript, Material UI, Next.js, and familiarity with backend technologies like C#. Proven track record in leading feature initiatives to improve user experiences and operational efficiency, signified by a 40% reduction in duplicate entries and a 60% rise in proactive permission requests at a cloud kitchen operations platform. Expertise in continuous integration and delivery pipelines, demonstrated by contributions to Azure DevOps and CI/CD best practices. Capable of handling both development and QA roles effectively, evidenced by the establishment of test automation frameworks using tools such as Cypress and Playwright. Adept in a variety of programming environments and methodologies, the engineer has successfully orchestrated end-to-end functional testing, test design, and has a strong record of professional advancement as a self-learner and analytical problem solver.
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Seniority Middle
Location Poland
JavaScript
TypeScript
React
React Native
Node.js
...
- Experienced Software Engineer with over 3 years at Securiti and prior engagement at Unique Software Development and KoderLabs, showcasing a strong engineering background and hands-on experience in contemporary software development practices and technologies. - Proficient in JavaScript, TypeScript, React, React Native, Node.js, Nest.js; knowledgeable in MERN Stack, SQL, NoSQL, Azure, and skilled in managing software development life cycle (SDLC) in Agile environments. - Demonstrated technical expertise through multiple project deployments on Android and iOS platforms, and adept in employing Test Driven Development with tools such as Jest for ensuring high-quality software. - Bachelor of Science in Computer Software Engineering reinforcing a sound understanding of computer science fundamentals, paralleled by practical application in predictive analytics within the oil and gas industry. - Valuable contribution to AI-powered cybersecurity solutions, enhancing privacy compliance through PRIVACI.ai platform development at Securiti, with focus on automation and scalability. - Efficient in Agile software development, with capabilities in Clojurescript, parallel computing, and various programming methodologies, principles, paradigms, and patterns.
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Seniority Senior
Location Karach, Pakistan
OOP 2yr.
QA Automation
Data Analysis
...
Software engineer with close to 3 years of experience specializing in AI automation, proficient in Python programming, and experienced in backend systems and workflow automation. Holds a partially completed Bachelor's degree in Business/Commerce with an expected graduation date of March 2026. Demonstrated history of working as a self-employed AI Automation Specialist since March 2023, focusing on data analysis and automation solutions. Notable for applying modern software development practices to optimize operations and improve efficiency.
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C/C++/C# 5yr.
ASP.NET Core Framework 5yr.
.NET Core 5yr.
Entity Framework 5yr.
RESTful API 5yr.
...
Back-end Software Engineer with over 5 years of experience in designing, building, and optimizing complex systems for multi-tenant SaaS platforms, government portals, and HR management applications. Demonstrated proficiency in C#, .NET Core, ASP.NET, and Entity Framework, with a solid grasp of microservices, RESTful API development, and DDD. Proven ability in leading technical teams and executing agile project delivery while maintaining a strong focus on database optimization and robust security protocols. Holds multiple Azure certifications and an education in Computer Science, underlining a deep technical background.
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HubSpot
JavaScript
...
- HubSpot CRM/CMS Developer with 7+ years of web development and CRM automation experience, and over 3 years of HubSpot-specific experience; - HubSpot CMS & CRM experience, including automation of business processes, pipeline setup and operations, CRM data work, reporting, and optimizations to serve Sales and Marketing teams; - Skilled in building responsive websites and templates with HTML5, CSS3, JavaScript, and HubL, as well as custom module development and integrations to extend HubSpot functionality; - Experience in integrating HubSpot with third-party services, including Mailchimp, Aloware, 8x8, ClickUp, and other systems via native integrations, APIs, Make, and Zapier; - Contributed to CRM analytics, custom reports, lead qualification automation, spam detection, and third-party source-based data enrichment; - Extensive background in technical SEO, on-page optimization, cross-site analytics, and site performance (including page load), including GTM integrations and payload optimizations; - Experience assisting users, mentoring teammates, coordinating across multiple stakeholders, and ensuring stable CRM and CMS operations across multiple departments.
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Seniority Senior
Location Kyiv, Ukraine
Python 6yr.
Django 6yr.
FastAPI 6yr.
JavaScript
TypeScript
...
Software Engineer with over 6 years of expertise in high-scale system architecture, proficient in Python (Django, FastAPI, Flask) and front-end technologies (JS/TS, Node.js, React.js). Excelled in DevOps practices with experience in CI/CD automation, AWS infrastructure, and agile methodologies. Played a pivotal role in building a B2B marketplace supporting 10M+ daily users, optimized search performance by 20x, and improved API responsiveness and compliance accuracy in blockchain analytics. Holds a BS in Computer Science.
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Seniority Senior
Location Baku, Azerbaijan
Python
AWS
C/C++/C#
LLaMA
LangChain
...
Software Engineer with over 10 years of experience, specializing in AI and full-stack development, demonstrating a strong foundation in computer science with a B.Sc. from the University of Illinois at Chicago. Expert in Python, C#, JavaScript, and cloud technologies such as AWS, Docker, and Kubernetes. Skilled in machine learning frameworks including TensorFlow and PyTorch, further evidenced by AWS Certified Machine Learning and TensorFlow Developer certifications. Proficient in deploying scalable web systems and integrating AI models into high-throughput environments, with a proven track record of enhancing model accuracy and system performance in production-grade systems.
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Seniority Senior
Location Los Angeles, United States
Go
Observer
Kotlin Coroutines
Django Channels
MS SQL Server Management Studio
...
Seasoned Backend Engineer with over 5 years of experience specializing in Golang, adept at constructing scalable microservices and REST APIs. Demonstrated expertise in concurrency patterns and system design, backed by a strong computer science foundation with a B.E. in Computers achieving a 9.18 CGPA. Proficient in a wide array of technologies, including Go 1.18+, Gin, gRPC, PostgreSQL, and AWS cloud services, complemented by a hands-on background in DevOps practices like Docker and Kubernetes. Significant contributions to projects like a facilities management platform, industrial data management system, and e-commerce platforms, showcasing skills in optimizing database performance and developing high-performance APIs with sub-100ms response times. Embraces agile methodologies and has a proven ability to mentor other developers and lead technical initiatives.
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Python 6yr.
Apache Spark 6yr.
SQL 6yr.
AWS 6yr.
Kafka 4yr.
...
Seasoned Data Engineer with over 6 years of industry experience, specializing in the development of robust ETL pipelines, real-time streaming solutions, and advanced data architectures. Outstanding proficiency in Python, PySpark, Kafka, AWS services, Databricks, and Airflow. Demonstrated expertise in automating data workflows, optimizing data models for analytics, and managing data migrations with minimized disruption. Adept at deploying scalable cloud-based data warehousing solutions and enforcing high standards of data quality.
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JavaScript 4yr.
TypeScript 4yr.
React 4yr.
Ext JS 4yr.
Node.js 4yr.
...
Expert Full-stack Developer with advanced capabilities in TypeScript, React/Next.js, and Node.js. Possesses a Bachelor's in Computer Science and has taken specialized courses in Full-stack development and blockchain technologies, reflecting a commitment to continual learning. Proven track record in building and scaling high-load applications, particularly in the healthcare, media, and decentralized tech sectors. Demonstrates strength in creating responsive UIs, implementing complex back-ends, and ensuring high code quality through rigorous testing. Technical skill set includes modern JavaScript frameworks, RESTful and GraphQL APIs, microservices, and cloud services (AWS, GCP), supplemented by practical knowledge of SQL/NoSQL databases, Docker, and CI/CD pipelines. Fluent in essential industry practices and proficient in English and several other languages, making for a versatile asset in international and cross-functional teams.
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Seniority Middle
Location Germany
PySpark
Data Warehousing
ETL
Databricks
Azure Data Factory
...
Software Engineer with 3.5 years of experience in Data Engineering, specializing in ETL and Data Migration solutions. Expert in Azure Data Factory, PySpark, SQL, and Azure Databricks. A proven track record in data pipeline automation, improving data processing workflows, and implementing sound data management practices. Holds a Bachelor of Technology with a strong academic background, and an Azure Data Fundamentals certification from Microsoft. Key skills include technical fluency in data warehousing, cloud services, and software development methodologies like CI/CD. Recognized for reducing compliance errors by 35%, decreasing data retrieval times by 40%, and enhancing reporting capabilities in complex business environments.
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Seniority Middle
Location Hyderabad, India
Manual Testing 2yr.
...
- Software Test Engineer with 2 years of experience in an agile Android/iOS application development environment. - Proficient in writing tests for software and implementing testing methodologies (CMM, RUP, MSF). - Experienced in using bug logging systems like Rational ClearQuest and Jira. - Strong command of English, allowing for reading and composing technical texts and reports. - Achieved a 45% reduction in order fulfillment time through effective testing strategies. - Skilled in analyzing and clarifying requirements, planning testing processes, and tracking bugs. - Continuously optimizing the testing process and improving team work processes.
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Seniority Junior
Location Chernihiv, Ukraine
Facebook Auth 5yr.
Dart 5yr.
Power BI 5yr.
Apache Hive 5yr.
Crashlytics 5yr.
...
Senior Software engineer with over 5 years of experience specializing in Flutter development for cross-platform mobile apps. Mastery in architecture patterns like MVVM, MVP, BLoC, and Clean Architecture, combined with advanced skills in Dart, Flutter, Firebase, and WebRTC. Demonstrated capability in building complex real-time communication applications and ensuring data security aligns with OWASP guidelines. Adept in state management using BLoC, Provider, and Riverpod, and proficient in development tools like Visual Studio Code, Android Studio, Git, and Flutter Inspector. Significant experience with database technologies like Hive, SQFlite, and Firestore, and contributions to enterprise-level projects ensuring performance optimization and crash-free user experiences.
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FDD 6yr.
React
Vue.js
Ext JS
...
Senior Software Engineer with over 6 years in full-stack development and technical leadership. Specializes in the MERN stack, excelling in React.js, Node.js, and modern web technologies. Adept in architecting scalable solutions, microservices architecture, and utilizing DevOps practices such as Docker and Kubernetes. Instrumental role in projects like a customizable Hotel TV Application Platform and a GPS-enabled Golf Cart Navigation System. Proven experience in Agile/Scrum methodologies and mentoring developers. Notably led teams to enhance application performance and design secure, innovative systems for various industries.
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Seniority Architect/Team-lead
Python 6yr.
PandasAI
NumPy
...
Senior AI/ML Engineer with over 6 years of experience, specializes in LLM pipelines and generative AI. Demonstrates strength in designing high-performance machine learning algorithms and implementing scalable AI solutions. Proficient in FastAPI, AsyncIO, and Python, with deep knowledge of Pandas, NumPy, and AI/ML technologies like TensorFlow and LangChain. Has successfully deployed complex ETL pipelines and cloud infrastructure, ensuring robust data processing and delivery. Holds advanced certifications and a proven track record in AI project delivery, consistently improving operational efficiencies and business intelligence.
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Office 365
Allure Report
App Service
HTML
CSS
...
A skilled Full Stack Developer with a recent boot camp completion that equipped them with modern technical and digital skills, supplemented by over 10 years of experience in administrative roles which involved office management and data reporting. They possess a strong mix of technical skills including proficiency with Microsoft Office Suite, HTML, CSS, JavaScript, APIs, and a grasp of UX Design and App Marketing. Furthermore, they understand version control through Github, emphasizing their adaptability to contemporary software development practices. Their commitment to improving work efficiency is demonstrated by a 20% reduction in administrative errors and the processing of high-volume data entry tasks at a 90% accuracy rate. With a foundation in computer practices and ongoing full-stack development education, they are well-prepared for roles that demand both cutting-edge coding abilities and proven administrative expertise.
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Seniority Junior
Location Johannesburg, South Africa
Python 4yr.
SQL/NoSQL 3yr.
Databricks 3yr.
Big data 3yr.
...
Data Engineer with extensive experience in developing data-driven solutions, leveraging Python, SQL, and ETL/ELT methodologies. Proven track record in optimizing data pipelines and implementing large-scale data warehouses, evidenced by the successful analysis of AirBnB rental prices and product sales strategies. Skilled in Big Data technologies like PySpark, Databricks, and MongoDB, as well as report generation and visualization using Power BI. Holds professional certifications from DataCamp and Microsoft, demonstrating a strong foundation in data fundamentals and Azure services. Played a pivotal role in deploying an LLM powered chatbot at Cisco. Contributed to an increased efficiency and automated processes as a freelance engineer, bringing innovative solutions that enhance operational performance.
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Seniority Middle
Location Poland
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