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
Cloud and Operations
Mobile Application
Digital Platforms
Blockchain
Design and Creative
Quality Assurance
Project Management
Desktop Application
Writing and Translation
Scripting and Automation
Marketing and SEO
Embedded Systems
Low-Code and No-Code
GameDev
Industrial Engineering
Salesforce
Salesforce Apex
- Experience in the IT industry for more than 5 years covering roles such as Salesforce Developer and Implementation Specialist
- 4+ years of hands-on experience in Salesforce, including Apex, LWC, Aura, triggers, and controllers
- Successfully integrated Salesforce with external systems, third-party applications, and email services.
- Developed innovative solutions for diverse business needs, such as a mathematical calculation system, educational platforms, and property management platforms.
- Strong computer science expertise and commercial experience in web services architecture and development
- Holds Salesforce certifications, including Salesforce Certified Platform Developer I, Salesforce Certified Administrator, and Platform App Builder.
Unreal Engine
Team Leadership
API
FDD
Software engineer with over 8 years of experience specializing in payment systems, e-commerce integrations, and both frontend and backend development. Proven track record in developing plugins for WooCommerce and Magento, creating Shopify payment applications, and constructing APIs for complex systems. Holds a B.Sc in Computer Science with a focus on Software Engineering. Proficient in PHP, Java, Go, Python, JavaScript, Bootstrap, and Tailwind CSS. Experienced in PostgreSQL, MySQL, CI/CD, and implementing monitoring and caching solutions.
Sales strategies
RPA
Strategic Planning
Problem Solving
Seasoned Marketing and Sales professional with a demonstrated history in behavioural management systems training and team leadership in Brazil. Proven capabilities in sales strategy development, KPI management, and team expansion from 8 to 24 representatives. Notable achievements include a 20% increase in monthly sales and a spike in qualified leads. Skilled in HubSpot CRM implementation and proficient in PowerBI, with a strong background in process optimization and data analysis. Currently expanding expertise in business studies while gaining international experience in the Irish retail and food service sectors.
Flutter 4yr.
GCP 4yr.
Firebase 4yr.
Go
* Software engineer with over 4 years of experience in mobile app development, specializing in Flutter and proficient in Dart, Kotlin, and Go.
* Strong technical expertise in building robust backend systems, REST APIs, and has a keen interest in Blockchain technology within the GCP ecosystem.
* Demonstrated ability in web development using modern technologies including HTML, CSS, JavaScript, React, and NextJs.
* Active contributor to open-source projects, enhancing the value of platforms like APIDash and GoCoin.
* Holds a Bachelor's and a Master's degree in Computer Engineering, underpinning a solid understanding of software development practices.
* Recognized for building impactful mobile applications such as Edutive for education and Racha for addiction management.
Python 7yr.
Solidity 6yr.
Solana 4yr.
JavaScript 3yr.
Rust 2yr.
- Team Lead / Tech Lead / Software Engineer / Blockchain Developer with 10 years of experience.
- Strong expertise in blockchain development, building decentralized applications (dApps) using Solidity and Rust for EVM and Solana networks.
- Proficient in frameworks like HardHat and Anchor.
- Develop, test, and deploy smart contracts, integrating wallets (e.g., Metamask) and working with DeFi protocols (Uniswap, Aave) and NFT standards (ERC-20, ERC-721).
- Has solid experience in backend development using Django, FastAPI, and SQLAlchemy for scalable APIs and microservices.
- Familiar with CI/CD automation (e.g., GitLab CI/CD, GitHub Actions) and cloud infrastructure on AWS (Lambda, EKS, RDS).
- Skilled in integrating blockchain technologies with backend systems, ensuring code quality through unit testing, fuzz testing, and security audits with tools like RustSec and Slither.
Payment Gateways 5yr.
WordPress 5yr.
Laravel 7-9 3yr.
Unity 2yr.
Ant Design 1yr.
Developer
C++
Python
C
- Software professional with 16+ years in Product development and IT services in MNCs
- Developing Fintech product for Algo trading and converting it to SAAS offering
- Proven track record in analysis, design, development, coding and testing phases primarily using Python, Java, node.js, full-stack, C, C++ and C# development on Windows and UNIX systems
- Highly skilled in application & product development lifecycle
- Expertise in the areas of data and application security along with design and architecture of cloud services, pipeline using AWS and Azure
- Contributed to successful release of various products & services of leading clients such as Progress Software, IBM, Oracle, AT&T, Northgate Public Services, Fidelity Investments and so on
- Expertise in Project transitioning to Offshore and execute successfully by managing the distributed teams
- Strong understanding of UNIXes/Linux, Windows, Web technologies, Perl, Angular, Spring boot, node.js and Java Script, Oracle, SQL server, Informix and so on
- Solid experience in Data Pipelines, Databases, client-server, distributed, networking and system internals.
- Expertise in driving solution identification exercise, involving design thinking, requirement analysis, process re-design, preparation of SOW, solution customization, configuration
and implementation
- Possess clear thinking from technology perspective with strong skills to identify functional needs and transform them into technology terms; acknowledged for leading & mentoring 8-10 team members to achieve resource wise productivity & optimization
- Dynamic & self-starter with strong planning, communication, analytical & problem solving skills
GCP Security
AWS Security
- Cybersecurity specialist with 10+ years of extensive experience in securing cloud environments, applications, and infrastructure.
- Specializes in GCP and AWS security, including secure architecture design, vulnerability management, and compliance-driven implementation (SOC2, ISO 27001).
- Proficient in Python, PHP, JavaScript, TypeScript, and various security tools and methodologies, including DevSecOps, Kubernetes, and OWASP standards.
- Experienced in leading cybersecurity teams, managing security programs, and ensuring compliance with standards like ISO 27001, SOC2, PCI, and GDPR.
- Extensive experience in securing applications through threat modeling, secure SDLC, and implementing security controls across diverse technology stacks.
- Skilled in securing cloud environments, managing SIEM systems, and conducting infrastructure security testing.
- Fluent in English (C1), with intermediate Polish (B1+).
- Holds ISO27001 Lead Implementer, AWS Certified Security - Specialty, Google Certified Cloud Security Engineer, and eMAPT certifications.
PHP 5yr.
Node.js 5yr.
MySQL 5yr.
JavaScript 5yr.
PostgreSQL
Software Engineer with 5+ years of backend development expertise, focusing on API construction, microservices management, and database performance optimization. Proficient in PHP, Node.js, NestJS, JavaScript, TypeScript, MySQL, and PostgreSQL. Holds a Bachelor degree in Science and has worked on enhancing Shopify web applications and designing scalable backend infrastructures. Known for optimizing MySQL queries to increase performance and improve server stability under high load conditions, resulting in more efficient and maintainable systems.
Node.js 4yr.
Architecture and Design Patterns 1yr.
Spring model-view-controller (MVC) framework
Go
Senior Software Engineer with over 6 years of backend development expertise, specializing in Node.js, Java Spring Boot, and serverless architectures. Significant experience in building scalable solutions on AWS, leading technically challenging projects in the banking sector at Boubyan Digital Factory and Nomo Bank. Proven track record of implementing best practices and standards in coding, testing, and optimizing performance. Strong foundation in computer science with a Bachelor's in Structural Engineering from the German University in Cairo. Proficient in Go, Redis, and event-driven programming, coupled with Agile and Scrum methodologies. Multilingual with fluency in English, German, and Arabic.
C/C++/C#
Java
Python
Microsoft Visual Studio Code
The candidate is a software engineer with a Diploma in Computer Science and an extensive teaching background in Mathematics. Boasting technical expertise in programming languages such as C++, Java, and Python, and proficiency with tools such as Visual Studio Code, CodeBlocks, and NetBeans. Deeply familiar with web technologies including HTML, CSS, as well as database management via SQL Server, and statistical analysis with R programming. This engineer has practical experience as a Freelance Tutor for Mathematics and Programming, embracing methodical pedagogical practices to enrich learning. They have served as a High School Math Teacher and a College Mathematics Professor for Computer Engineering students. Additionally, the candidate possesses technical support experience at a multinational company, reflecting strong problem-solving skills and fluency in English.
Oracle Database
Database Administration
- 14+ years of experience providing end-to-end assistance and high-level resolutions for complex technical problems related to Oracle databases.
- Proficient in performing optimizations, upgrades, regular patching strategies, and disaster recovery setups for databases hosted on-premise machines, Exadata machines, and Azure cloud machines.
- Strong track record of database administration skills acquired during work with clients all over the world
- Excellent communication skills gained during the global support experience and banking experience due to the interaction with the foreign top management
- Extensive expertise in post-sales support, building backup and recovery strategies, assessing database performance, and setting up disaster recovery infrastructure.
- Well-versed in administering BMC Remedy ITSM Oracle databases, conducting RMAN backup and restore procedures, performing performance analysis, tuning, patching, and updating.
- Proficient in AIX, Debian, and RedHat Linux server administration.
- Adept at managing LANs, WANs, and network connections, overseeing infrastructure projects, and coordinating teams for optimal project execution.
- Possesses a wide range of certifications, including Oracle Database Administration, Oracle High Availability, Oracle Secure Backup, Oracle Data Guard, and Microsoft Certified Professional.
IBM DB2
Shell Scripts
Project Management
PostgreSQL
IBM AIX
Accomplished software engineer boasting over 14 years of expertise in the IT services industry, specializing in database management systems, particularly IBM DB2 and PostgreSQL. Key attributes include adeptness in installation, upgrade, performance tuning, HADR setup, and data encryption. Proven project management skills underscored by leading infrastructure teams. Distinctive achievements include AWS Certified Solutions Architect, with hands-on experience in orchestrating solutions for database services in AWS, and ITIL V4 certification, indicating a strong grasp of best practices in IT service management. Demonstrated ability to automate tasks and enhance system efficiencies, as well as a background in ServiceNow, underlines a commitment to process optimization. The engineer's substantial experience in diverse domains such as banking, finance, and e-commerce provides a robust foundation for tackling varied project demands.
ASP.NET
C#
- A Software Engineer with over 10 years of development experience in the IT industry;
- Most of experience is related to the .NET platform and C# language, on both client and server-side development;
- Solid experience working with cross-application integrations, Web API, and WCF Services;
- Well-versed in release management on IIS and Azure;
- Strong knowledge of SQL;
- Experience in working with Dynamics 365 and Salesforce CRMs;
- Advanced English;
Linux 7yr.
AWS 5yr.
- DevOps Engineer/System Engineer/Solution Architect with a robust 19-year background in the IT field, particularly in the FMCG, Telecom, and Gaming sectors.
- Skilled in Suse, HP/Dell/Supermicro Products, Linux System Administration, Brocade Fibre Switches, and Software Installation.
- Strong information technology professional with good interpersonal and communication skills.
- Good troubleshooting and analytical skills.
Penetration testing
- Experienced software engineer with a strong background in computer science and a master's degree in Computer Science from the National Technical University.
- Proficient in multiple programming languages including Python, PHP, C#, C/C++, Java, and JavaScript.
- Skilled in web and mobile security, with expertise in conducting vulnerability assessments, penetration testing, and security code review.
- Familiar with industry-standard security tools such as Burp Suite, Nessus, OpenVas, nmap, and Metasploit.
- Knowledgeable in methodologies, principles, and patterns of software development, including SDLC and software development best practices.
- Strong problem-solving and analytical skills, demonstrated through the ability to identify and exploit vulnerabilities and develop custom payloads.
- Excellent communication and collaboration skills, working effectively within cross-functional teams and producing comprehensive reports based on findings.
AWS
- Expert DevOps Engineer and IT Specialist with a record of developing and supporting robust IT infrastructure in e-commerce and logistics industries.
- Demonstrable experience with cloud environments including AWS, GCP, and Azure, and proficiency in managing Linux and Windows servers.
- Strong background in system administration, mail server configuration, network engineering with Mikrotik, and ITIL-based monitoring systems like Zabbix.
- Equipped with solid development skills in Python, PHP, and modern automation tools such as Docker and Jenkins.
- Proven ability to lead IT projects and implement effective CI/CD pipelines, underpinned by a deep understanding of Agile, SCRUM, and KANBAN methodologies.
- Holds an Engineering degree and diverse IT certifications, reflecting a commitment to continual learning and professional development.
- Upper-Intermediate English
AWS
React
Python
- Real experience with enterprise projects.
- Experience in healthcare, real estate, financial services, legal, software, computer industries.
- Practical skills in project management and software engineering, according to SAFe Agile, RUP methodology.
- Upper intermediate English
- Available ASAP
$25/hr
$4400/month
$4400/month
JavaScript 3yr.
React 3yr.
Node.js 3yr.
TypeScript 3yr.
Express 3yr.
Full-stack developer with React and Node.JS key technologies. I have 3+ years of experience working on open-source projects, websites for small and big companies. All code contains documentation and passes code review from more experienced colleagues. I am continuously growing up in new technologies and improving my current skills.Ready to start ASAP.
React 4yr.
Node.js 3yr.
- 7+ years of experience in the IT industry
- Mobile & Web developer
- Intermediate English
Node.js 5yr.
React 5yr.
JavaScript
TypeScript
10+ years building full-stack web applications for enterprises of various sizes. Experience spans frontend and backend development, API design, and working with both relational (PostgreSQL, Oracle) and NoSQL (MongoDB) databases. Strong foundation in JavaScript/TypeScript ecosystem with React and Node.js.
Python
Java
JavaScript
C/C++/C#
PHP
Software Engineer with hands-on experience in AI training and software development. Proficient in Python, Java, C++, JavaScript, PHP, and MySQL. Skilled with TensorFlow, Scikit-Learn, and PyTorch. Master's and Bachelor's degrees in Software Engineering and Intelligent Systems from Kirinyaga University. Developed an AI-augmented code optimization framework and an academic performance predictor using ML techniques. Strong background in full-stack system development, machine learning model evaluation, dataset annotation, and software engineering research.
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.
Product Management
Product manager with experience in blockchain development, smart contracts, oracle authenticity, and also creation, implementation, and development of NFT products.
- Solid knowledge of blockchain and smart contract.
- Strong NFT project management skills.
- 10+ years of experience.
- Fluent English.
- Available ASAP.
Docker
Splunk
VmWare
Python
C/C++/C#
DevSecOps specialist and system administrator with a 7-year tenure, fusing expertise in secure infrastructure solutions with a security-focused approach to system administration. Key strengths include Docker containerization, Infrastructure as Code practices, and intensive security testing using tools like OWASP ZAP, Black Duck, and Coverity. Demonstrated aptitude in log management and real-time security event detection with Splunk. Technical proficiency spans a broad range of areas including network security, cryptography, and cloud platforms. The engineer's project history showcases successful roles across IoT, E-Commerce, and business domains, with substantial contributions to secure and compliance-heavy environments, while maintaining system reliability and performance.
AWS 6yr.
Advanced Python 5yr.
Go 2yr.
Extensive working experience writing various tools and services using Python and Go.
5+ years of hands on experience with AWS using various services and also taken part of multiple prelaunch implementation on tools/services not widely available for AWS customers (early adoption) .
Extensive IaC experience using Terraform - including writing Terraform providers from skratch.
React 5yr.
Node.js 4yr.
- 6+ years overall experience in the IT industry as a software engineer
- Experienced working with FE and BE technologies - React, Node.js, Next.js
- He worked in the fields of e-commerce, e-learning, and crypto wallet and is interested in the blockchain field.
- He has experience as a leader and can be both a good team player and an independent dev
- Upper-Intermediate English
- Available ASAP
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.
C/C++/C# 10yr.
Linux 5yr.
- 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
C/C++/C# 6yr.
CI/CD 6yr.
Qt Creator 6yr.
Boosting 6yr.
Software engineer with over 6 years of experience specializing in C++ development, software architecture, and CI/CD practices. Strong fintech, databases, cybersecurity, and embedded systems domain expertise. Proficient in modern C++ standards (C++11/17), CMake, and GUI development using Qt and Boost. Adept at database management and optimization with MySQL, PostgreSQL, Oracle, and SQLite. Extensive use of version control systems such as Git, SVN, including code quality tools like Doctest and SonarQube. Demonstrated abilities in leading project teams, mentoring, and aligning software solutions with business requirements. Proven track record of improving system performance and reliability across multiple successful projects.
AWS
IAM
VPC Peering
AWS EC2
EB
Software engineer with hands-on AWS cloud services experience, automation, and container orchestration skills leveraged in AI and DevOps internships. Proven CI/CD, deployment automation, and troubleshooting skills, enhancing release speed by 25% and reducing manual work by 40%. Developed safety-critical embedded software. Strong computer science education with high GPA scores. Proficient in Python, Java, along with CI/CD tools like Jenkins, containerization with Docker, and orchestration with Kubernetes.