Denys Pasishnyi-• linkedin.com/in/dpcat237 • github.com/dpcat237
Senior Software Engineer - Remote
Technically-astute professional with a successful history of effective Full-Stack
expertise/qualifications. EU citizen.
AREAS OF EXPERTISE
More than ten years of comprehensive experience in developing micro-services, APIs, server
tools, CLI tools, webs, web crawler, mobile/desktop app, etc.
Extensive experience across multiple business sectors including e-commerce, marketing,
FinTech, stocks, using advanced skills in Golang.
A skilled team leader with a track record of directing multiple tasks and providing daily
guidance and supervision.
Lover of high quality, readable, self-explanatory and testable code, by following several
principles such as KISS, YAGNI, DRY, SOLID. Used to follow methodologies such as 12 factor
app, Agile, and GitFlow.
TECHNICAL PROFICIENCIES
Golang • Linux • MySQL / PostgreSQL • Redis • Docker / Kubernetes • AWS • JavaScript •
Vue.js / Node.js • JSON:API / WebSocket / gRPC • Git • Jenkins • Agile / Scrum
Professional Experience
Monerium, Iceland (Remote) • Senior Software Engineer (1/2022 – 4/2023)
Implemented AML screening of blockchain addresses with notification.
Refactored platform to simplify 3rd party applications management.
Implemented multi-chain support and part of cross-chain transaction feature.
Fixes and improvements in transactions flow, OAuth, etc.
Implemented API automatic testing.
Stack: Golang, PostgreSQL, API / WebSocket, Docker, Kubernetes, GitHub, Web3, Google
Logs Explorer, Unit / Integration / API testing.
Divilo, Spain (Remote) • Senior Software Engineer (10/2020 – 1/2022)
Implemented backend for vTEE with DUKPT for processing NFC transactions making mobile
a POS.
Implemented authentication/authorization, 2FA, and session control on the backend and
frontend.
Implemented DocuSign and AWS WorkDocs integration for contracts management.
Implemented security measures for banking certifications.
Maintained the SWIFT transactions system.
Helped coworkers to learn Go.
Stack: Golang, Javascript / Vue.js, AWS Lambda, DynamoDB, Cognito, ElastiCache / Redis,
Step Functions, S3, SAM, SES, SNS, SSM, STS, CloudFormation, CodePipeline, WorkDocs,
Jira, GitHub, Unit testing.
Merj,
UK (Remote) • Senior Software Engineer (12/2019 – 05/2020)
Developed GUI application for Go tools usage under Linux / macOS / Windows.
Maintained and created new Go CLI tools for SEO and internal administration.
Improved permissions verification for distributed Go tool usage.
Automatized Go tools distribution.
Implemented API of Google Search Console, Microsoft Azure, and Jira.
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Denys Pasishnyi
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Stack: Golang, Javascript / HTML / CSS, Vue.js, Node.js, Electron, PHP / Laravel, PostgreSQL,
Bash, Docker, Git, Jira.
Actelligent Group, Hong Kong (Remote) • Senior Software Engineer (09/2018 – 10/2019)
Participated in MVP development creating microservices and API for FinTech.
Developed functionality to get stocks details, organize events, and private sessions.
Analysed and used data from FactSet database, of more than 4GB.
Optimized performance of SQL queries.
Collaborated with the Data Science team for data extraction from the FactSet database.
Developed data import from 3rd party API and XLSX documents.
Stack: Golang, Gorilla, Docker, Kubernetes, gRPC, API / WebSocket, MySQL, Unit testing,
GitHub, AWS.
Blocktech Services, Spain (Remote) • Senior Software Engineer (08/2017 – 12/2018)
Participated in MVP development creating micro-services and API for Pungo Token.
Improved code quality and performance of data collectors from external APIs.
Implemented Agile methodologies and I started creating internal coding standards.
Supervise blockchain development on Komodo Platform.
Stack: Golang, Gorilla/Gin, MariaDB, Redis, Firebase, gRPC / API / WebSocket, Docker,
Gitlab, Unit testing, PHP / Silex.
(Remote) • Freelancer (10/2016 – 07/2017)
Participated in several projects, mostly through Upwork.
Stack: PHP / Symfony, Docker, PostgreSQL, Redis, API, GitHub, etc.
Payever, Germany (Remote) • Full-Stack Developer (12/2015 – 09/2016)
Coded employers management, and social interactions in backend and frontend.
Created and improved many API endpoints.
Refactored tracking system with Mixpanel.
Integrated products migration to eBay, Amazon MWS / Advertising, and Google Shopping.
Contributed for adaption of Agile methodologies.
Stack: PHP / Symfony, MariaDB, Redis, Docker, Backbone.js, API, GitHub / Zenhub.
Typeform, Barcelona, Spain • Senior Full-Stack Developer/Scrum master (09/2014 – 12/2015)
Developed several important features following high-quality standards and agile techniques
Managed a team as a Scrum Master and implemented Scrum of Scrums.
Contributed to the implementation of Domain-Driven Design in the main application.
Made more customizable email-sender micro-service.
Developed users' behavior counter (> 300K per month).
Integrated API of Zendesk, Mixpanel, Intercom, and Segment.
Stack: PHP / Symfony, MySQL, Redis, Docker, Golang, Javascript / CoffeeScript / jQuery, API,
C, Jenkins, AWS, GitHub, Jira, Kibana / New Relic, Unit / Integration testing.
BeRepublic, Barcelona, Spain • Back-end Developer (04/2012 – 06/2014)
Participated in the development of social network Pinroom (similar to Pinterest).
Developed several features in e-commerce project Fancybox.
Participated in the development of an e-commerce base which evolved to Elcodi.
Participated in the development of Chickplace based on created e-commerce base.
In part-time integrated Stripe, Google Wallet, and Authorize.Net payment systems into an
open source project for e-commerce base.
Stack: PHP / Symfony, MySQL, Redis, ElasticSearch, Javascript / jQuery, AWS, GitHub,
Vagrant, Jenkins, Redmine, Selenium, Varnish, Unit / Functional / BDD testing.
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Diprotech, Barcelona, Spain • Full-Stack Developer / Team leader (02/2011 – 04/2012)
Maintained and developed new features for e-commerce AndorraFreeMarket.
Managed team of four developers and coordinated projects with clients.
Directed the migration from OsCommerce to Magento and from VisualBasic to Symfony.
Extended functionality of Magento (ClickLine) and integrated ASM, GLS, Nacex, Parcel, TNT.
Stack: PHP / Symfony / Magento / OsCommerce, MySQL, Javascript / jQuery, HTML / CSS, Git
JAD Solucions, Granollers, Spain • Full-Stack Developer (12/2008 – 09/2010)
Participated in the development of an e-learning platform by questionnaires for FECIC.
Created several webs based on internal CMS.
Improve internal CMS making more customizable frontend.
Stack: PHP / Symfony / Savant3, Javascript / Prototype, HTML / CSS, Subversion, Mantis.
Education
IES Carles Vallbona, Granollers, Spain (2008 - 2010)
Diploma, Software Development
C, Java, PHP, .NET, Javascript, SQL, networks
