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.
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.
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Senior
Gdansk, Poland
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.
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Senior
Varna, Bulgaria
React 5yr.
Node.js 4yr.
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- 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
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OutSystems 6yr.
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- 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.
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Architect/Team-lead
Belo Horizonte, Brazil
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
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Expert
Warsaw, Poland
C/C++/C# 6yr.
CI/CD 6yr.
Qt Creator 6yr.
Boosting 6yr.
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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.
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Senior
Poland
AWS
IAM
VPC Peering
AWS EC2
EB
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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.
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Power BI
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8+ Years Power BI, Data Analyst Experience Power BI Developer (Product Manager)Professional Summary  understanding complex business requirements and problems, Data Analysis, Data Modelling, Data Visualization, Data Mining & Business Intelligence.  Accountable for providing actionable insights to decision-makers to influence strategy and performance.  Accountable for identifying trends and patterns in datasets to attribute key business levers, drivers, and outcomes.  Responsible for exploring data in a variety of ways and across multiple visualizations using Power BI. Strategic expertise in the design of experiments, data collection, analysis, and visualization.  Involved in troubleshooting, resolving, and escalating data-related issues and validating data to improve data quality.  Project Lead accountable for providing strategic and tactical leadership to ensure full project life cycle design, development, and implementation of database solutions.  Designed, developed, and implemented test plans, and user documentation and completed projects on schedule.  Interface effectively with clients, team members, and management.  Summary - At my core, I am a problem solver with a passion for applying advanced analytical capabilities to the most complex and challenging questions. My goal is to maximize information gain and minimize information loss in an effort to optimize decision-making
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Senior
Ahmadabad, India
MatLab
Python
Git
...
Developing and optimizing model-based and data-driven algorithms for UAV trajectory planning, control, and autonomous decision-making. Combining AI, optimization, and simulation to enable intelligent flight systems.
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Senior
Czech Republic
Expert with: * Photoshop and all the Adobe Suite programs * Game design programs and apps. * Ableton Live, Reason, Pro Tools, etc... * Creative thinking and out of the box goods :)
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Expert
Ljubljana, Slovenia
WebSockets 5yr.
NLP 2yr.
Hugging Face 2yr.
AI-agents
...
Full Stack Developer and AI/ML Engineer with a solid foundation in computer science from the University of the Punjab and over two years of software engineering experience before transitioning to machine learning. Proficient in creating scalable ML pipelines and backend development, with hands-on expertise in Hugging Face, LangChain, and vector databases like Pinecone and FAISS. Technical skill set includes Python, Flask, Django, and cloud services across AWS, GCP, and Azure, with a focus on applying NLP, LLMs (GPT, BERT, LLaMA), and AI automation to practical business processes. Proven track record in ML workflow optimization, MLOps, and DevOps, underscored by significant improvements in automation efficiency, authentication reliability, and data processing times.
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HubSpot 5yr.
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- Skilled in end-to-end HubSpot deployment, including CRM setup, data migration, and user training. - Deep knowledge of HubSpot's ecosystem and integrations with platforms like Salesforce, Marketo, Dynamics, SalesLoft, and ZoomInfo. - Hands-on expertise with tools such as Google Analytics, Tableau, Zapier, and project management tools like Basecamp and Smartsheet. - Extensive experience in designing custom workflows, automating sales and marketing processes, and optimizing HubSpot usage across teams. - Proficient in building HubSpot dashboards, reporting pipelines, and creating actionable insights for decision-makers. - Expertise in lead scoring, segmentation, and lifecycle stage management to enhance sales and marketing alignment. - Proficient in creating advanced marketing automation strategies using HubSpot and other platforms like Salesforce and Marketo. - Designed and implemented lead nurturing workflows, enabling seamless transitions from MQLs (Marketing Qualified Leads) to SQLs (Sales Qualified Leads). - Expertise in email marketing campaigns, landing page optimization, and lifecycle marketing to enhance engagement and conversion rates.
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Expert
Swansea, United Kingdom
Customer Service
Google Workspace
Zapier
Data Entry
LiveChat
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A capable Virtual Assistant with over a year of experience in providing exceptional support to teams and businesses. Demonstrates expertise in CRM and client management, lead generation, email marketing, customer support, project coordination, automation, and process optimization. Possesses a strong proficiency in a suite of key tools including HubSpot, Apollo, Lemlist, and Trello, combined with certifications in virtual assistance. Experience in customer-facing roles and administrative support further showcases adaptability and commitment to excellent service. Notably recognized for upskilling efforts during a career break.
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Customer Service 2yr.
Call Handling 2yr.
HubSpot 2yr.
...
As a customer service representative, the candidate has a strong background in customer satisfaction. They have 2+ years of experience in the customer service industry, demonstrating their ability to communicate effectively and solve problems.Key technical skills include proficiency in customer service tools such as Salesforce, Microsoft Office Suite, Five9 Dialer, Zendesk, Freshdesk, HubSpot, GoHighLevel, and RingCentral. They are also a 65WPM typist and have strong analytical and problem-solving abilities.The candidate is an excellent team player with attention to detail and multitasking skills. They have advanced written and oral communication skills in English and Yoruba.Overall, the candidate's profile showcases their hands-on expertise, problem-solving background, customer service education, and general work experience in customer service. They have a strong skill set in various software tools and possess the necessary qualities to excel in a customer service role.
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DigitalOcean
Social SDK
WebRTC
Git
...
A proactive software engineering student immersed in foundational studies and Higher National Diploma coursework, with a focus on software engineering principles as mandated by the IIT curriculum. The engineer displays a blend of technical prowess and an emerging proficiency in digital marketing tools. Technical familiarity includes a command of digital platforms and a learning trajectory in CRM tools. Although specific programming languages and systems development life cycle (SDLC) experience are not detailed, the engineer's academic route aligns with an understanding of key software engineering methodologies. A penchant for content creation across social media further showcases a versatility that extends beyond core software development, poised to contribute inventively to tech-centric marketing initiatives.
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Intern
Wattala, Sri Lanka
OutSystems 5yr.
.NET
OutSystems Service Studio
OutSystems Integration Studio
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- 16+ years experience in IT - Extensive leadership experience across various IT domains, managing diverse teams, spearheading critical projects, and championing training initiatives in both software development and educational settings. - Over 5 years of experience as a Senior OutSystems Lead Engineer, focusing on the development and enhancement of web applications using OutSystems v11. - 2+ years of hands-on experience with agile methodologies, validated by a Scrum Master certification. - 2+ years of expertise in both JavaScript and PostgreSQL, complemented by a year of experience with NoSQL databases. - Demonstrated skills in Unit Testing across multiple projects, and experience in working closely with QA teams on Performance Testing. - Comprehensive background in a wide range of technologies, leadership roles, and project management, supporting OutSystems and other software development tasks. - Awarded Outsystems Certificates: Outsystems Professional Web Developer (2020); OutSystems Associate Reactive Developer (2022). - Advanced English
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Architect/Team-lead
Zapopan, Mexico
Hubspot API
Marketing strategies
Data Scraping
QA Automation
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With over 12 years of experience, the engineer is a Growth Strategist and Marketing Automation Specialist with a strong foundational expertise in computer science, specializing in CRM and HubSpot technologies. Their portfolio includes the implementation of CRM systems, data-driven marketing strategies, and automation of multi-channel campaigns, with notable achievements in increasing operational efficiency, revenue, and company growth. This candidate is also versed in various programming methodologies, SDLC, and software development best practices.
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JavaScript 4yr.
CSS/HTML 4yr.
Node.js 4yr.
Angular 4yr.
TypeScript 1yr.
...
Software engineer with a Bachelor's degree in software engineering and over 6 years of professional experience in developing web, mobile, and desktop applications. Emphasizes technical expertise in a range of programming languages including Typescript, Javascript, C#, Java, HTML/CSS, Python, Visual Basic, and C++. Experience with modern technologies and frameworks like Angular, Ionic, .NET Core, Vue.JS, and React. Skilled in various databases such as Microsoft SQL Server, Postgresql, Firebase, MySQL, and Mongo DB. Demonstrated ability in leading teams as an eCommerce Tech Lead and facilitating process automation using AI. Proficient in multiple operating systems, version control systems, and has engaged with cloud services including AWS. Known for strong skills in decision-making, leadership, and a capability to learn independently, showcased through continuous career progression from junior developer to technical leadership roles.
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Office 365
Adobe Photoshop
Python
NFT
Facebook Ads API
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The engineer possesses a robust foundation in Computer Applications Technology with a proficiency in key software including Microsoft Office, Photoshop, and programming languages such as Python. A graduate from Nigel High School with a National Senior Certificate, the engineer has shown a proficiency for technical problem-solving and a results-oriented approach to tasks. Notable achievements include the running of successful Facebook and Google Ads campaigns which highlight expertise in leveraging digital marketing tools for targeted outreach. Despite a lack of detailed project experience or advanced qualifications, the engineer demonstrates potential as a tech-savvy professional with practical skills relevant to entry-level positions in tech industries.
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Junior
Johannesburg, South Africa
Java
Python
JavaScript
PHP
...
Seasoned software engineer with over a decade of hands-on experience, including roles from Software Developer to Technology Project Manager. Proficient in Java, Python, JavaScript, PHP, and associated frameworks like Spring Boot, FastAPI, Laravel, and React, with emphasis on building scalable web applications and systems. Demonstrable expertise in software development methodologies such as SCRUM and CMMI, providing a strong foundation for driving efficient project lifecycles. Engineering background solidified with a Bachelor's in information technologies and further complemented by expert-level programming skills. Proven track record in managing complex IT projects and developing innovative solutions that enhance operational efficiency and asset management, evidenced by the successful implementation of a GIS platform and various academic systems.
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Client Communication
Customer Service
Data Management
troubleshooting
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A certified Customer Success Specialist, highly motivated and result oriented with 5+ years of experience providing exceptional customer service. Proven ability to resolve inquiries efficiently, build positive relationships, and exceed customer satisfaction goals. Skilled in troubleshooting, communication, and problem-solving, with a passion for ensuring a positive customer experience. Committed to upholding company values and exceeding performance expectations to foster long-term customer relationships.
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Senior
Abuja, Nigeria
HTML
CSS
Ant Design
Python
PHP
...
A result-driven software engineer with a background in Agricultural and Environmental Engineering, and extensive experience in customer service roles. Versed in both front-end and back-end development, and adept at using React.js, Python, PHP, and JavaScript alongside HTML and CSS. Demonstrates a solid understanding of software development practices with practical experience in using CRM, Freshdesk, Paystack, and SEO tools. A proven track record in handling customer communications and feedback, complemented by excellent interpersonal skills and an ability to foster team collaboration. The engineer brings a strong problem-solving ethos, and is proficient in MS Office applications, with strengths in multi-tasking and adapting to new technologies.
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blueprism
UIPath
RPA
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- Five Years of Dedicated RPA Experience: Skilled in both development and maintenance with Blue Prism over a continuous five-year period, showcasing deep expertise in robotic process automation. - Fintech Sector Proficiency: Demonstrated experience in the fintech area, with a strong background in applying RPA solutions to financial services. - Expertise with Blue Prism: Proficient in designing processes, configuring objects, and maintaining robots using Blue Prism technology, ensuring efficient automation solutions. - Client Collaboration and Requirement Analysis: Proven ability in working closely with clients to understand requirements and provide tailored RPA solutions, enhancing client satisfaction and project success. - Comprehensive Maintenance and Training Skills: Experience in maintaining RPA systems, implementing changes, and training new employees, ensuring the seamless operation of automated processes. - Project Support and AI Implementation: Adept at supporting various projects, including the implementation of AI solutions in RPA, showcasing versatility and innovation. - Banking Sector Experience: Extensive engagement with financial sector clients, including a three-year tenure at PKO Leasing, underlining a strong understanding of banking processes and requirements. - Fluent English - Intermediate German - Native Polish
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React 8yr.
Java
Project Management
Scrum
PHP
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Accomplished software engineer with a Bachelor’s degree in information technologies and a demonstrated history of leading successful teams, driving innovation, and delivering impactful software solutions across diverse organizations. Key expertise includes sophisticated project management for systems such as GIS asset management platforms that boosted operational efficiency by 80%. A proven record in developing APIs, optimizing financial systems, and implementing IT infrastructure underpins a strong technical foundation in programming languages such as Java, Python, and JavaScript, and frameworks like Spring Boot, Laravel, and ReactJS. With over a decade of experience, the candidate has harnessed a broad array of technologies, from AWS cloud services to various database systems, and is aligned with expert practices including SCRUM, CMMI, and ITIL. Noteworthy achievements include a customized scholar system for 1300+ users and the pioneering admission tests platform for over 65,000 users, showcasing robust skills in engineering complex software architectures.
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Excel
PowerPoint
Marketing research
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I want to work in a well- known company where I can learn and improve my skills while also helping the company run smoothly and achieve success.
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Usability tests
SDLC
Scrum
Postman
QA Automation
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Software Quality Assurance Engineer with expertise in manual and automated testing, including Selenium, Postman, and Cypress. Proficient in Agile Scrum methodology, technical communication, and various testing forms such as functional, regression, and exploratory testing. Holds an Engineering degree and multiple certifications, including SCRUM MASTER and AGILE JIRA. Well-versed in SDLC, software management, and engineering practices, with hands-on experience in diverse projects and freelance testing communities. Recognized for analytical thinking, problem-solving abilities, and a strong commitment to ensuring software quality.
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Facebook Auth
Crashlytics
JavaScript
Slim
LCDP
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An established Senior Flutter Fullstack Developer with over 20 years of experience in software engineering, boasting a strong technical background with a B.Sc. in Mathematical Physics. This engineer has specialized in cross-platform app design and development since 2011, first with the JavaScript framework Titanium and later adopting Flutter/Dart in 2020. Skilled in a variety of programming technologies, notably iOS, Android, and web development, with proficiency in frontend and backend technologies such as HTML/CSS, JavaScript, Firebase, node.js, and Python. Experienced in leading small development teams, this developer brings advanced knowledge in state management, API integration, and full-circuit backend system creation. The developer's commitment to quality and expertise in a diverse range of software methodologies and architectures is demonstrated by a history of successful projects in multiple business sectors, including fintech, healthcare, education, and animation.
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Expert
Winchester, United Kingdom
Android APIs 4yr.
Swift 1yr.
ARCore
Jetpack Compose
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Seasoned Android Developer and emerging iOS Developer with over 6 years of specialized experience in Android and over 1 year in iOS platform development. Expert in AR/3D reconstruction, excelling in Jetpack Compose, ARCore, and Open3D technologies, distinguished for advancing mobile systems and enhancing app performance. Proven track record in delivering cross-platform solutions, effectively managing app lifecycles, and leading development of AR-based applications. Recognized with an award for quality delivery and holds a Master's degree in Computer Applications, underpinning a strong technical foundation in mobile app development. Certified in Professional Scrum Master I, reflecting a deep understanding of Agile methodologies and software development best practices.
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Senior
Montreal, Canada
FDD 6yr.
React
Vue.js
Ext JS
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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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Architect/Team-lead
Kotlin 6yr.
Java 5yr.
Android APIs 5yr.
Jetpack Compose 4yr.
Project Management 2yr.
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Engineer with a B.Sc. in Mobile Development and over 4 years of hands-on experience in Android development, exhibiting a strong command of Kotlin, Jetpack Compose, and modern software engineering practices. Demonstrated expertise in app architecture modernization, reducing build times by 40%, enhancing app stability with comprehensive testing, and leading migration to scalable, modular architectures. Proven track record of impactful project management, having developed 600+ public-safety apps, and improved essential communication tools with a robust VoIP/messaging suite resulting in a substantial increase in user satisfaction. Competent in cross-functional team leadership, Agile methodologies, and continuous integration/delivery systems, making them a valuable asset for cutting-edge software development teams.
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Senior
Birmingham, United States
JavaScript
TypeScript
React
React Native
Node.js
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- 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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Senior
Karach, Pakistan
Backbone.js 9yr.
TypeScript 8yr.
SQL/NoSQL 3yr.
Express 3yr.
AWS 2yr.
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10+ years of experience in web development, M.Sc in Software Engineering, GAI, LLMs Front-End: Angular, React, Vue.js (JavaScript & TypeScript) Back-End: Node.js, Next.js, TypeScript , PHP Mobile: React Native AWS Cloud infrastructure Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). Unit testing, integration testing, and end-to-end testing. Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. Experience conducting assessments and interviews remotely.
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Expert
Lagos, Nigeria
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