Viacheslav Miroshnychenko

Experience

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  Netcracker Technology

  Oct 2016 - May 2018

  Junior Java Engineer

  - Designed and developed new Java-based features for Netcracker's largest telecom client, improving the onboarding of the operators to the order entry system from 2 to 1 week.- Improved system performance for a critical customer-facing application and tuned SQL hierarchical queries using Java SE/EE and Oracle, which resulted in a 55% decrease in latency.

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  Brocoders | On-demand Technical Team

  May 2018 - Jul 2019

  Team Lead(Middle Software Eng)

  - Led initial setup, architecture design, and feature implementation for new version of Condo Communication and Collaboration System using Ruby on Rails, React and AWS, resulting in a 15% increase in user conversion rate.- Mentored two junior engineers in Ruby and Agile methodologies, resulting in a 20% increase in their productivity and promotion to mid-level engineers within a year. - Spearheaded configuration of entire infrastructure using AWS services like S3 Bucket, Cloud Front, EC2 instances, and Route 53 to improve system reliability and scalability, resulting in a 30% reduction in server downtime. Show less

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  Human Agency

  Aug 2019 - Feb 2020

  Senior Software Engineer

  - Took ownership of developing several features for an internal start-up via Extreme Programming and Test Driven Development methodologies akin to Google Forms.- Designed and implemented a video question feature using JavaScript and integrated Stripe payment processing, increasing user engagement by 20% and revenue by 15%.- Led the transition of API from REST to GraphQL and frontend upgrade from Stimulus to React, resulting in a 30% increase in development speed and enabling more complex UX experiences. Show less

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  Squro

  Feb 2020 - Mar 2021

  Senior Software Engineer

  - Led integration and support of payment systems, enhanced batch processing efficiency by 65% by using PostgreSQL locking mechanisms, and transitioned distributed monoliths into microservices using RabitMQ as Senior Software Engineer of the core team- Collaborated with CTO to streamline roadmap planning by implementing Agile methodologies and advocated for OKR adoption across teams, leading to a more focused approach that doubled company turnover within a year.- Integrated PayRetailers payment system for Latin America using Ruby and Ruby on Rails to acquire customers from this region.- Faced with frequent integration delays, designed a new exception-handling process for GraphQL API. Streamlining error detection and resolution reduced integration times for mobile and front-end clients by 25-30%, significantly improving our development cycle. Show less

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  Zendesk

  Sept 2021 - Sept 2024

  Team Lead(contractor)

  - Led a cross-functional team of up to 10 engineers, prioritizing people management, mentorship, collaboration, and project management, while also providing technical leadership and driving the hiring process- Was responsible for integrating Direct Debit(ACH) via Zuora and Stripe, eliminating credit card interest payments and resulting in a potential increase in annual income by $2-4 million.- Addressed client needs for usage transparency by implementing a flexible reporting system using ETL processes and BigQuery for our AgentMonths feature. Streamlined operations, reducing report creation time for RevOps team by 45-50%- Led development of CSP (security layer) using Ruby on Rails, React, and Ember to mitigate XSS and data injection attacks, enabling Zendesk to secure contracts with 5 MAANG-level customers worth over $10M annually. Show less

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  IT Resistance

  Aug 2023 - Jun 2024

  CTO (co-founder)

  - Co-founded and led a software development company, overseeing all technical operations and developing the company's technical strategy- Directing MVP/POC development for startups, including high-scale projects like building systems to send 50M emails/day- Rapidly hired and set up high-performing teams, ensuring success in tight timelines and delivering quality solutions under pressure- Drove a significant increase in revenue through effective sales strategies and customer relationship management Show less