Sergei Volkov
Java Software Engineer at HeadHunter Group
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolSergei Volkov is a Java software engineer with eight years of experience building and supporting backend services, currently organizing microservice architecture and automating business workflows at HeadHunter Group in Madrid. With a master’s in computer science and a background spanning PL/SQL banking systems and IT security leadership in customs, he brings a strong blend of backend engineering, database optimization, and operational security. He codes primarily in Java and Python, having progressed from trainee to core service developer while mentoring IT school students. Comfortable with both hands-on implementation and system-level design, Sergei excels at turning complex business requirements into reliable, maintainable services. An understated strength is his experience in digital forensics and certificate lifecycle management, which informs a security-conscious approach to backend architecture.
8 years of coding experience
1 year of employment as a software developer
Managment and computer science in technical systems, Computer science, Master, Managment and computer science in technical systems, Computer science, Master at Russian University of transport
Stackoverflow
85reputation
141kreached
1answer
2questions
Github Skills (17)
json10
api10
rest10
arraylist6
hibernate6
tornado6
one-to-many6
java-streams6
java6
hashmap6
javascript4
python4
validation3
swagger2
openapi2
Programming languages (3)
Github contributions (5)
Diacrome/super-scoring
Apr 2022 - Jul 2022
HH school 2022 project
Contributions:276 reviews, 3 PRs, 2 pushes in 2 months
2022-project
Diacrome/hh-school-2019-java-test-http-get
Dec 2019 - Dec 2022
Contributions:2 PRs, 10 pushes, 3 branches in 3 years 1 month
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