Constantine L.

About Me

Constantine is a Senior Software Engineer with hands-on expertise in software requirements gathering/analysis, design, implementation and integration - applying the latest development principles and techniques to solutions. He architects complex and scalable web services and solutions; providing support to existing and new features for the delivery of polished user experiences - following Agile development methodologies with a strong focus on code quality.

Frontend

Database

Workflow

Work history

UpStack
UpStack
Senior Software Developer
2016 - Present (9 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

STRV
STRV
Senior Web Developer
2018 - Present (7 years)
Prague, Czech Republic
  • Design, develop and maintain several high performing, responsive and accessible web applications and solutions on projects for clients.

  • Host meetups and workshops for STRV's frontend team on new processes, tools, frameworks and best practices; mentoring and coaching junior developers.

  • Optimized existing web applications to increase performance and SEO-accessibility scores using the latest technologies, frameworks, and patterns.

JollyFMS
JollyFMS
Lead Web Developer
2016 - 2018 (2 years)
Remote
  • Built JollyFMS' web platform for freelancers; producing high-quality software solutions and meeting work targets and priorities.

  • Recommended new tools and provided recommendations for the integration of payment processing on the platform via Stripe and Dwolla.

  • Explored new opportunities to configure the CI/CD pipeline for the deployment of the application to AWS.

Homecamp
Homecamp
Lead Web Developer
2015 - 2016 (1 year)
Remote
  • Served as a technical resource for the development of a marketplace platform for Homecamp; providing solutions that meet budgets and timelines.

  • Adhered to industry best practices in delivering high-quality solutions that are compliant with the latest industry guidelines and standards on the project.

  • Identified and provided solutions for process gaps and other areas of improvement on the project.

HubRunner
HubRunner
Lead Web Developer
2015 - 2016 (1 year)
Remote
  • Developed a web-based CRM to manage support requests specific to HubRunner's business domain; raising the bar for quality and performance.

  • Optimized and automated routine tasks for the configuration of new WordPress solutions on projects; championing best practices and ensuring the quality of work done.

  • Introduced new and emerging patterns and technologies into workflows on projects.

Net Element
Net Element
Senior .NET Developer
2015 - 2016 (1 year)
Remote
  • Designed, developed, and implemented solutions for the backend of an on-demand boat booking platform.

  • Handled the integration of multiple payment processing gateways on the platform; adhering to established development processes on the project.

  • Identified and corrected complex issues on the solution.

ACS
Software Developer
2011 - 2015 (4 years)
Yekaterinburg, Russia
  • Designed, developed and implemented software solutions to address various business needs for clients.

  • Provided advice and solutions to other developers and participated in multiple educational courses and certifications on web technologies.

  • Maintained and debugged software solutions for clients.

Showcase

Lead Frontend Developer
Lead Frontend Developer
  • DashNexus is a governance platform for the Dash cryptocurrency community.

  • It allows users to submit and vote on proposals to sustain and advance Dash coin.

  • The project involved client-side crypto protocol work, including key decryption, encryption, and signature verification.

Lead Frontend Developer - Fellow
Lead Frontend Developer - Fellow
  • Offers on-demand fertility testing kits for men, enabling private sperm testing and doctor-reviewed male fertility reports.

  • Developed and delivered from scratch with a focus on performance, accessibility, and SEO.

  • Utilizes progressive image loading for optimal performance and high Lighthouse scores.

Full Stack Developer - Hoodline
Full Stack Developer - Hoodline
  • Hoodline transforms data signals into engaging local content.

  • The website UI has been revamped with a new design.

  • SEO scores for articles have increased through structured data and AMP pages.