Building Digital Experiences
With Code & Creativity

Software Engineer • Technical Writer • Community Builder

Olga Constantina

I'm a community-minded engineer who combines the best of both communication and technical skills, bringing experience both from the engineering side and the business world.

Technologies I work with:
JavaScriptReact.jsTypeScriptNode.jsReduxREST APIs

Professional Experience

CTO & Co-Founder

Jobsties
Berlin, Germany · Remote
May 2025 - Present
  • Engineering

    Building the #1 career platform for professionals to land the next role in Europe

  • Career Strategy

    Helping professionals navigate today's tough job market with strategy, clarity, and confidence. We guide you to reposition your personal brand, upgrade your mindset, and land better jobs. Without wasting time on trial and error.

Personal BrandingCareer StrategyProfessional DevelopmentLeadershipMentoring

Host / Software Engineer

TechVoices Podcast
Berlin, Germany · On-site
Apr 2024 - Present
  • Tech Leadership

    - Lead Technical Podcast inviting CTOs, Tech Leads and Senior Software Engineers from several start-ups and organisations

  • Frontend Dev

    - Develop responsive web apps using TypeScript/JavaScript frameworks (React, Next.js, etc.)

  • Backend Architecture

    - Architect and implement Supabase backend solutions with PostgreSQL optimization

  • User Experience

    - Create persistent user experiences with local storage/session management

  • System Design

    - Build auto-save functionality and state restoration systems

  • Performance

    - Optimise data storage strategies for performance and cost efficiency

TypeScriptReactNext.jsSupabasePostgreSQLSystem DesignSoftware Infrastructure

Software Engineer

Industrial Analytics GmbH
Berlin, Germany
2024 - Present
  • Documentation

    - Set up a documentation server and page for streamlined knowledge sharing

  • 40% Faster Deployments

    - Developed AWS pipelines and implemented bash scripting for automated deployments

  • 25% Better UX

    - Optimized user experience and mobile responsiveness using Figma, Lighthouse, and SVG formats

  • Security & Auth

    - Implemented Google OAuth for secure user authentication and seamless login experience

  • API Integration

    - Utilized Postman for API testing and debugging, ensuring reliable frontend-backend integration

JavaScriptTypeScriptCypressJestGitAzureAWSBashCloud Infrastructure

Assistant Tech Management

Solaris
Berlin, Germany
Apr 2022 - Sep 2022
  • Leadership Support

    - Created comprehensive reports and presentations for leadership meetings, managing on-call developer compensation tracking

  • Code Reusability

    - Developed reusable frontend components and libraries to improve development efficiency

  • OKR Management

    - Maintained and tracked internal OKRs, ensuring proper prioritization and focus across tech initiatives

  • Tech Leadership

    - Facilitated monthly progress reviews with CTO and tech leadership team

  • Banking APIs

    - Participated in tech initiatives and training sessions focused on backend services and banking APIs

React.jsExcelPostmanBanking APIsConfluenceGit

Junior Frontend Developer

theSeniorDev.com
Berlin, Germany
Jul 2021 - Mar 2022
  • Process Optimization

    - Identified and improved billing process by implementing Stripe automated reports and Excel integration

  • Payment Integration

    - Enhanced customer experience through integration of Payfunnels for streamlined payment processing

  • A/B Testing

    - Implemented and analyzed A/B testing to optimize website features and user experience

  • 18% CTR Increase

    - Increased agency website click-through rate through web development and SEO best practices

JavaScriptTypeScriptReactReact HooksReduxStyled ComponentsWebpackBabelGit