Hire Freelance Spock Experts
Aleksei Vorontsov
Alexey is a senior full-stack developer with a strong focus on JVM-based languages on the back end and JavaScript frameworks (React, Angular) on the front end. From high-level architecture design to low-level optimizations, Alexey pays stringent attention to code quality and performance. He delivers software with in-depth unit, integration, and end-to-end tests to guarantee stability and reliability. Alexey is comfortable leading teams, is easy to work with, and enjoys a diverse environment.
Show MoreKalyan Sangaraju
Kalyan is an ISEB- and ISTQB-certified quality assurance engineer with 15 years of experience in manual and automation testing. He is an expert in creating automation frameworks for UI, API, and performance from scratch using Java, Selenium, Cucumber, and Gatling. He is proficient in various types of testing, including functional, regression, and user acceptance testing (UAT). Kalyan's experience in testing extends to client server, web, and cloud applications on Unix and Windows.
Show MoreNiksa Klecak
Niksa is a senior SDET with over ten years of experience. He has a proven track record of delivering successful projects for large corporations like Cisco and Adobe. He also has extensive experience in automation with UI, API, and mobile applications, combined with my strong understanding of Jenkins pipelines and testing processes, which have been critical to the software's reliability and consistency.
Show MoreLiubov Mietielieva
Liubov is a back-end developer with a strong information security background specializing in Grails and Spring-based applications with experience in front-end, data science, and mobile applications. Liubov delivers clean, maintainable, and well-tested code.
Show MoreTom Feron
Tom is a senior developer with several years of experience building web applications in their entirety—from the user interface to the servers—at large companies such as Nature and startups like Habito or Scrive. Tom joined Toptal because he was interested in freelancing and wanted additional opportunities to learn more. Tom specializes in back-end development, especially using Haskell and DevOps on cloud platforms, but is keen on working with whatever tools best fit the job.
Show MoreChristopher Smith
Christopher is an expert JVM developer with solid experience building with Spring, Groovy, and the JVM ecosystem in general. He has managed the full software lifecycle from requirements to deployment, along with systems administration and networking (CCDP/CCNP). He is a proactive guy who's looking for projects that involve back-end engineering, infrastructure questions, networking, orchestration, and harder functional programming.
Show MoreFilip Hoffmann
Filip is a senior back-end developer with over five years of professional experience. He has built back ends with Flask, Django, and Pyramid, specializing in data-intensive applications. In his work, Filip follows best practices like test-driven development (TDD) and domain-driven design (DDD) to deliver reliable and maintainable software.
Show MoreMartin Bechtle
Specializing in agile transformation, DevOps, cloud platforms, microservices architecture, and API engineering, Martin has nearly a decade of experience as a software engineer, architect, tech lead, and CTO in fintech, banking, translations, and publications with an international clientele. He works closely with developers and stakeholders, his favorite platforms are AWS and GCP, and his go-to languages are Java, Kotlin, and Go.
Show MoreMesut Tekin
Mesut is a talented developer with a strong academic background and a Ph.D. in business management. He has over 18 years of experience in architecture, development, and restructuring systems such as web sites, microservices, client-server object-oriented technologies, and event-driven apps in different sectors. He also has expertise in building microservice-based cloud applications and integrating disparate systems using Docker and Kubernetes with RESTful architectural style.
Show MoreLuiz Antonio Mitidiero de Moraes Jr.
Luiz is a strategic and execution-oriented engineering executive with 15+ years of building scalable customer-facing products across multiple industries. He specializes in creating and improving engineering culture in remote working environments and is passionate about impacting people's lives. Luiz's core competencies are strategic vision and goal setting, iterative shipping from MVP to a global scale, and system design and architecture with excellent communication skills using the big picture.
Show MoreAdrian Moldovan
Adrian has over a dozen years of experience in the IT field with the last seven years being spent focusing on test automation. He's passionate about building tools and test frameworks that bring extra value to the software development process. Adrian joined Toptal to test the waters of freelancing and to share his knowledge and expertise.
Show MoreDiscover More Spock Experts in the Toptal Network
Start Hiring