For product managers concerned about building a solid foundation for product development and eliminating risks, defining and implementing a systematic software QA process is essential.
Read MoreQuality Assurance for World-Class Deliverables
Toptal quality assurance services empower your business and technology systems with global expertise. Efficiently improve testing processes through automation, and drive innovation with full-stack engineering.
Team Leader
Featured Full Team of Quality Assurance Specialists
Seema K Nair
QA Engineer
Seema brings decades of software testing and quality assurance expertise to the table. She has substantial experience with manual testing and the test automation of web and mobile applications. Seema is a certified Scrum Master, IBM certified DB2 professional, and AWS certified solution architect comfortable with Agile and Waterfall approaches. Her in-depth knowledge of API and performance testing delivers excellent results.
Previously at
Engineering Experience
20+ Years
Dolly Arora
QA Engineer and Developer
Dolly is a QA engineer with several years of experience in a range of industries, including real estate, travel, finance, and aviation. She's created multiple testing frameworks from the ground up using Selenium, TestNG, Cucumber, and Cypress and automated QA processes for various organizations like the Emirates Group.
Previously at
Engineering Experience
11+ Years
Adrian Lachowski
Performance Tester
Since 2014, Adrian’s been developing with Java along with a variety of testing frameworks (JUnit/TestNG, Selenium, Cucumber, REST Assured) and tools (JMeter, SoapUI, IntelliJ IDEA). He’s also worked with a number of teams and projects so he can communicate easily and can adapt to new work environments quickly.
Previously at
Engineering Experience
10+ Years
TRUSTED BY LEADING BRANDS
OUR SERVICES
Quality Assurance Services
Bridge the gap between business and technology by implementing efficient processes focusing on intelligent automation testing and leveraging our comprehensive end-to-end quality assurance (QA) support throughout the QA lifecycle.
QA Strategy & Management
Fuel QA innovation and speed-to-market with "Quality by Design" methods. Craft robust strategies, processes, and tools with guidance from our skilled test managers and architects.
Manual Testing, SDET’s
Improve efficiency by identifying and resolving system variations through structured testing services with Toptal’s expert QA test engineers and software development engineers (SDET's).
Test Automation Services
Automate your testing processes to increase efficiency and accuracy. Reduce time-to-market with reliable, repeatable, and scalable testing solutions.
Performance Testing
Transform your customer experience and safeguard against costly system redesigns by incorporating dynamic performance testing and unlocking optimal system performance.
Mobile/Digital Testing
Cut costs and empower digital device testing processes with cloud-based solutions and test automation, by ensuring effortless repeatable application verification functionality.
Security Testing
Launch valuable, impactful products that secure your reputation. With early security vulnerability testing, Security Test Engineers exploit your potential risks and perform ethical hacking.
CUSTOMIZED SOLUTIONS
Quality Assurance Solutions That Drive Impact
Toptal delivers leading quality assurance services through its diverse talent network and flexible delivery models. We implement the right skills at each project phase, blending expertise from various roles for seamless execution.
- Managed Delivery by Toptal
- On-demand Talent & Teams
Managed Delivery by Toptal
End-to-end project delivery per your specific requirements.
Delivery Manager
QA Automation Architect
Test Automation Developer
QA Developer
UI Automation Developer
QA Engineer
Test Automation Developer
Dave Mayer
Delivery Manager
Dave serves as a Delivery Manager at Toptal with a focus on data engineering projects. He’s led support and development teams to multimillion-dollar successes and has transitioned professional service teams to Agile methodology. Dave’s expertise in data engineering ensures project deliveries are both innovative and exceptional.
Previously Managed Client
Technology Experience
15+ Years
Dimitris Karavias
Verified Expert in Engineering
12+ Years
of Experience
QA Automation Architect
Dimitris is a QA automation architect focused on de-risking clients’ technical investments by upskilling teams and automating processes. He particularly enjoyed his four years at Novoda, the mobile agency, where he worked on challenging projects with no existing testing practices. Dimitris has set up clients’ QA teams from scratch and developed his leadership skills.
Previously at
Ravi Rai
Verified Expert in Engineering
13+ Years
of Experience
Test Automation Developer
Ravi is a QA test automation engineer with 13+ years of web and mobile experience. He delivers solutions at different levels of the test pyramid and helps clients introduce CI/CD workflows, create deployment pipelines, and improve overall QA processes and outcomes. Ravi's enterprise QA experience includes LTI, ClinicalWorks, CitiusTech, Tata Consultancy Services, and Capgemini. In addition to three ISTQB certifications, Ravi is a Certified Scrum Master.
Previously at
Harish Meeran Mohamed
Verified Expert in Engineering
12+ Years
of Experience
QA Developer
Harish is a QA professional with more than 12 years in different QA roles, including test automation, test management, test analyst, test lead, manual testing, and scrum master. He specializes in different testing levels (unit/API/E2E) and testing types (functional, performance, security) for mobility, web, APIs, and legacy mainframes applications. With a solution-oriented mindset and a customer-centric focus, Harish is a team player who enjoys working with people following the Lean and Agile approaches.
Previously at
Christina Lin
Verified Expert in Engineering
17+ Years
Engineering Experience
UI Automation Developer
Christina is a senior QA engineer with expertise in test automation, test management, and manual testing for web and mobile applications. She has created test automation frameworks from the ground up using Selenium WebDriver in several projects as well as automating API testing using REST Assured and Postman. With experience in both private and public sectors, Christina has worked with large, medium-size, and small startup companies.
Previously at
Chieko Higashi
Verified Expert in Engineering
19+ Years
of Experience
QA Engineer
Chieko is a senior QA engineer with more than 19 years of experience testing software in various industries such as apparel, fintech, and security. She’s led teams in the implementation of software QA, test automation, and manual QA, as well as managing QA test plans to ensure that the end product is robust and high-quality. Chieko is passionate about achieving quality by following good development and QA processes, and is wholeheartedly dedicated to ensuring that software meets customers’ needs.
Previously at
Alejandro Restrepo Muñoz
Verified Expert in Engineering
6+ Years
of Experience
Test Automation Developer
Alejandro is a QA engineer with over six years of experience in manual and automated testing for web and mobile applications within the banking and fintech sectors. He has experience designing, building, executing, and maintaining automated tests, including API testing and integration with the CI/CD methodology. Alejandro is self-sufficient and has taught himself various stacks, making him efficient in implementing technologies, tools, or techniques needed for the team or the client.
Previously at
On-demand Talent & Teams
20,000+ vetted professionals, ready to deploy individually or in teams
Migration QA Engineer
Performance Tester
Functional Test Lead
Test Automation Engineer
QA Engineer
Automation Engineer
QA Engineer
Test Automation Engineer
QA Automation Engineer
Verified Expert in Engineering
11+ Years
of Experience
Migration QA Engineer
Natalija is a software tester experienced in manual testing, mainly working on e-commerce and telecommunications projects. She was the leading QA specialist in a mobility transformation project for a major telecom provider in Europe that involved customer data migration from legacy systems. Natalija’s expertise includes API automation testing, as she has completed several projects for an international energy holding company.
Previously at
Verified Expert in Engineering
10+ Years
of Experience
Performance Tester
Since 2014, Adrian has been developing using Java and a variety of testing frameworks such as JUnit, TestNG, Selenium, Cucumber, and REST Assured, along with tools like JMeter, SoapUI, and IntelliJ IDEA. He has worked with numerous teams and projects, which enables him to communicate easily and adapt seamlessly to new work environments. Adrian is passionate about test automation and has joined Toptal to broaden the reach of his expertise through freelance projects globally.
Previously at
Verified Expert in Engineering
9+ Years
of Experience
Functional Test Lead
Ravindranath is a functional test lead with nine years of experience designing, developing, testing, and maintaining eCommerce, CRM, and web apps. He has a solid background working in fast-paced environments, comprehending business requirements, and testing accordingly. Ravindranath analyzes software architecture documents (SAD) and uses case documents to develop test strategy and plan documents. He also has hands-on knowledge of continuous integration tools like Jenkins and Git.
Previously at
Verified Expert in Engineering
7+ Years
of Experience
Test Automation Engineer
Husain has worked for over seven years at the intersection of business, design, and technology. He believes his passion and creativity have impacted core businesses of some of the world's renowned brands, most recently as an automation test analyst at Credit Suisse.
Previously at
Verified Expert in Engineering
6+ Years
of Experience
QA Engineer
Samir is a seasoned Software Development Engineer in Test (SDET) and QA professional. Possessing a versatile skill set, he thrives on employing various programming languages. His adaptability and quick learning aptitude make him a valuable asset, particularly in dynamic and fast-paced project environments. Samir's robust foundation in software development enables him to swiftly become productive, showcasing his flexibility and proficiency in navigating challenging projects.
Previously at
Verified Expert in Engineering
10+ Years
of Experience
Automation Engineer
Nolan has worked on everything from back-end web development, front-end web development, mobile development, and machine learning (ML). After graduating, he got a job as an automation engineer at Ford, where he made a significant impact by delivering an essential proof of concept (POC) for management. Now Nolan would like to take on new challenges and projects!
Previously at
Verified Expert in Engineering
4+ Years
of Experience
QA Engineer
Alexandru is a highly motivated, proactive person focused on quality. He has excellent experience using Java, REST Assured, Selenium, Jenkins, and many other test automation technologies. In his previous projects, Alexandru was also involved as a trainer and as a mentor for his teammates.
Previously at
Verified Expert in Engineering
6+ Years
of Experience
Test Automation Engineer
Mario is a quality assurance engineer with over six years of industry experience working for startups and corporate clients. He focuses on web, mobile, and automation testing, including cross-browser, iOS, Android, and Chrome application testing. In addition, Mario has experience in test and defect management, data preparation, and test execution. Mario prides himself on being diligent, adaptable, and goal-oriented and is eager to take on new challenges.
Previously at
Verified Expert in Engineering
4+ Years
of Experience
QA Automation Engineer
Nino is a QA automation engineer at Tipalti and has 4+ years of web and mobile app testing expertise. She's Agile-oriented, skilled in API testing, JavaScript, and WebdriverIO, and has a proven track record in live shopping, eCommerce, and financial software projects. Nino is passionate about knowledge-sharing, with mentoring experience. Her prior roles at LIVEBUY, Flat Rock Technology, and TBC Bank Group showcase her proficiency in manual and automated testing across diverse industries.
Previously at
Drive Product Success With Toptal’s Quality Assurance Services
WHY ORGANIZATIONS CHOOSE US
Toptal in Action
Discover the cutting-edge benefits our clients enjoy globally from the Toptal network.
Toptal full-stack experts clear 6 months of backlogged bugs in 6 weeks.
Challenge: Software defects can cause critical errors and widespread user dissatisfaction for tech brands. A big data software provider was facing a six-month backlog of these defects, reported by their top clients. Their engineers were overwhelmed, trying to simultaneously address incoming reports and product development—reducing productivity and feuling staff turnover.
Clement [technical lead from Toptal] is doing excellent work, especially with landing the most difficult tickets. He delivers early, proactively seeks out ways to help others, and is a super performer.
Senior Software Delivery Manager
Big Data Software Provider
COLLABORATION THAT WORKS
How to Work with Toptal for your Quality Assurance Needs
From full end-to-end delivery to team augmentation—choose the best model for your business and project needs.
1
Talk to a Quality Assurance Lead
A leader from our team will work with you to understand your goals, technical needs, and team dynamics.
2
Get the Perfect Solution
From consultancy services to team augmentation—choose the best model for your business and project needs.
3
The Right Fit, Every Time
Work with Toptal’s Quality Assurance team on a trial basis (pay only if satisfied), ensuring that your needs are ultimately met.
Drive Product Success With Toptal’s Quality Assurance Services
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Schedule a Call With Toptal's Quality Assurance Services Team Today
The Technology Service division at Toptal provides world-class technology consulting and implementation services to clients. Through their experience with the world’s largest consulting firms and product companies, the division has served a range of clients across industries on their innovation and digital transformation initiatives.
Get a Free Consultation NowOUR THOUGHT LEADERSHIP
Explore Insights From the Quality Assurance Field
Read the latest articles and resources to keep you current on emerging trends in QA best practices, agile testing, automation, and more.
Vytas Butkus
Verified Expert in Engineering
Vytas is a professional project and product manager leading products and projects in education, 3D graphics, eCommerce, and adtech.
RELATED EXPERTISE
More Quality Assurance Capabilities
Pair Toptal’s quality assurance specialists with related competencies to tackle your business initiatives extensively.
Drive Product Success With Toptal’s Quality Assurance Services
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