Tymofii Sukhachov
Senior Java Developer
Experience
Aug 2022 - Present
2 years 8 monthsSenior Java Developer / Architect
Modirum
- Software design and implementation of 3-D Secure payment protocols
- Created a spring boot based distributed solution for processing, handling and distribution of large amount of data: card ranges coming from Visa, MasterCard, AMEX, etc
- Archituctural solution for self-hosted and client-hosted setups including k8s-based platforms
- Setup of development, release and delivery processes from scratch
Tech stack: Java 8, 11, 17, Spring Family frameworks, maven, ant AWS, Azure, Kubernetes, Prometheus, Tomcat, docker gGRC, REST, JWT, IAM Jenkins, Github Actions
Jul 2021 - Jul 2022
1 year 1 monthSenior Java Developer
Targens / MySaveID
- Implemented service-based architecture using Spring family stack
- Integration with blockchain networks: Ethereum, Corda and Indy. Setup of blockchain network on Kubernetes infrastructure
- JWT based authentication with Keycloak and Spring
Tech stack: Java 17, Spring Family frameworks, Postgres, maven Azure, Microservices, Kubernetes, helm, docker, prometheus R3 Corda, Indy, Etherium REST, JWT, IAM
May 2018 - Sep 2018
5 monthsFull-Stack Developer in Test
Aura Labs
- Playing a full-stack developer role in a very dynamic start-up
- StartUp is about creating a recruitment network of developers all over the world and creating a coin which may become a payment method for this
- Setting up kubernetes google cloud based infrastructure from scratch
Tech stack: NodeJs, Vue, MongoDB, Redis, Kubernetes
Jan 2015 - Jun 2021
5 years 6 months Karlsruhe, Germany
Full Stack Java Developer
Tipico
- Implementing both user facing and backend software Implementation for Tipico Shops
- User Registration flow including full KYC and integration with Signotec signature pad
- Legal tracking and reporting systemwhich retrieve customer details about any customer entering shop
- Integrating face2face and totp based payment solutions for retail
- Integrating customer-facing applications with external payment providers like Paypal, Neteller, Wirecard for online customers
- KYC and AML requirements implementation
- OAuth2 server side implementation
- Authentication and Authorisation implementation following OAuth2 standard using the flows: authorisation code, client_credentials, password across microservice and user facing applications
- Full cycle software development: architectural design, prototyping, scaling, high availability andmonitoring
- Implementing 2k+ / sec requests service with 2-4ms latency of 99% requests
- Implementing sanity check reactjs/spring based application for a 100+ service/legacy stack
- Introduction of a new Software Developer in Test role for the entire company and bringing dierent scrum teams to the next level of quality assurance and end2end responsibility
- Coaching developers in Unit/Integration testing and TDD
- Java Development as teammember and Continues Delivery
- Performance vital design and testing
- Test Automation following Test Pyramid approach
Tech stack: Java 6, 8, 12, Spring Family frameworks, maven, python Aws. Microservices, kubernetes, helm, prometheus redis and elasticache, mariadb, kafka AWS (S3, lambda, cloudwatch, IAM) JSON based Api, swagger, Reactive WebClient API Java 6, 8, 12, Spring, microservices, kubernetes, redis, mariadb, kafka ReactjS, TypeScript
Apr 2015 - Dec 2015
9 months Kyiv, Ukraine
Java Developer in Test
Traveltainment (via Amadeus Ukraine)
- Test organisation and implementation at all application layers
- Test based continuous integration
- Bug fixing
Tech stack: Java 8, Mysql, Wildfly, Weld CDI
Apr 2014 - Mar 2015
1 year Kyiv, Ukraine
Java Developer
Kuoni Destination Management (via Ciklum)
- Design, develop and test software following standard software development processes
- Development and unit testing of applications
Tech stack: Java 6,8, Oracle DB, Spring 3 and 4, Hibernate, ActiveMQ
Jul 2012 - Mar 2014
1 year 9 months Kyiv, Ukraine
Senior Test Automation Engineer
Kuoni Destination Management (via Ciklum)
- Pair programming with developers
- Test and Software design
- Test Automation and code review
- Performance testing
Nov 2011 - Jul 2012
9 months Kyiv, Ukraine
Senior Test Automation Engineer
Redcats (via Ciklum)
- Have created, integrated andmaintained automation test framework based
- Test automation patterns: Page Object, DSL
Aug 2010 - Oct 2011
1 year 3 months Kyiv, Ukraine
QA / Business Analyst
N2V (via Ciklum)
- Full Cycle Quality Assurance
- Acceptance criteria definition
- Release management , deployment and demo
- Test/Staging/Prod environment administration
Jul 2007 - Jul 2010
3 years 1 month Dnipro, Ukraine
QA / Test Manager
IOIX-Ukraine
- Testers Teammanagement (4 members)
- Technical interviewing to candidates for "tester" positions
- Test plans and test suites development
- Test cases review
Nov 2006 - Jun 2007
8 months Dnipro, Ukraine
QA
Soft-Ukraine
- test cases development and execution
Summary
Ambitious Java Developer with 15+ years in industry versed in following established procedures and working under little or no supervision. Offering technical expertise in programming analysis, application analysis and design. Excellent team player with in-depth knowledge of development tools and languages.
Languages
English
Advanced
German
Intermediate
Education
Oct 2017 - Jun 2019
Oles Honchar Dnipro National University
Master degree · Engineering Physics · Dnipro, Ukraine
Certifications & licenses
German B
First Certificate in English (FCE)
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