Juliana Halko

Frontend Engineer at Colony
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Location
New York, New York, United States, US

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Experience

    • United States
    • Media Production
    • Frontend Engineer
      • Jun 2022 - Present
    • Technology, Information and Internet
    • Full Stack Engineer
      • Jan 2022 - Jun 2022

      Remote My Places is a mobile app where users can provide recommendations to their network about their favorite places around the world. • Working on a team of 5 software engineers, my role includes building the app's back-end Express server with Typescript • Creating a relational database with PostgreSQL • API functionality between the front-end and back-end with CORS • Designing and developing front-end features using React Native, Redux and TypeScript Tech stack: React, React… Show more My Places is a mobile app where users can provide recommendations to their network about their favorite places around the world. • Working on a team of 5 software engineers, my role includes building the app's back-end Express server with Typescript • Creating a relational database with PostgreSQL • API functionality between the front-end and back-end with CORS • Designing and developing front-end features using React Native, Redux and TypeScript Tech stack: React, React Native, Express, Node, PostgreSQL, Redux, Typescript, Google Maps API. Show less

    • United States
    • Computer Games
    • 1 - 100 Employee
    • Marketing Director
      • 2019 - 2020

      Greater New York City Area • Led the development and execution of targeted marketing campaigns, resulting in a 30% increase in brand awareness, a 25% boost in customer retention, and a 40% rise in app installations on the Apple Arcade store within one year. • Implemented innovative digital marketing strategies, including social media advertising, influencer partnerships, and email marketing, which contributed to a 35% increase in user engagement. • Enhanced stakeholder communication by developing a comprehensive… Show more • Led the development and execution of targeted marketing campaigns, resulting in a 30% increase in brand awareness, a 25% boost in customer retention, and a 40% rise in app installations on the Apple Arcade store within one year. • Implemented innovative digital marketing strategies, including social media advertising, influencer partnerships, and email marketing, which contributed to a 35% increase in user engagement. • Enhanced stakeholder communication by developing a comprehensive content plan that clearly conveyed the app's unique features and benefits, leading to a 20% improvement in stakeholder satisfaction • Fostered a strong community presence through regular engagement initiatives, including Q&A sessions and feedback surveys, improving external communication and increasing positive reviews by 50%. Show less

    • France
    • Technology, Information and Internet
    • 300 - 400 Employee
    • Customer Success Manager
      • 2019 - 2020

      New York City Metropolitan Area • Successfully onboarded and trained over 20 new clients onto the Meero platform. • Fostered and maintained strong relationships with key stakeholders, managing accounts valued at over $1M, resulting in a 30% year-over-year growth in account value. • Took charge of major accounts in the Latin American and US markets, leading to a 20% increase in market penetration and client retention in these regions. • Conducted weekly check-ins with clients, reducing issue resolution time by 40% and… Show more • Successfully onboarded and trained over 20 new clients onto the Meero platform. • Fostered and maintained strong relationships with key stakeholders, managing accounts valued at over $1M, resulting in a 30% year-over-year growth in account value. • Took charge of major accounts in the Latin American and US markets, leading to a 20% increase in market penetration and client retention in these regions. • Conducted weekly check-ins with clients, reducing issue resolution time by 40% and increasing client satisfaction scores by 25%. • Tracked and analyzed KPIs effectively, providing data-driven insights that led to a 15% improvement in marketing campaign performance and a 10% increase in overall ROI. • Collaborated with internal teams across various departments, streamlining processes that improved project delivery and enhanced cross-functional team efficiency. Show less

    • United States
    • Legal Services
    • 1 - 100 Employee
    • Customer Success Manager
      • 2018 - 2019

      • Established trust, loyalty, and built strong relationships with clients. • Served as the main point of contact. • Responsible for client’s initial engagement period/ onboarding process. • Played a critical communications role by regularly interacting and educating clients. • Worked to meet and exceed customer expectations. • Proactively checking for upselling /cross-selling opportunities. • Assessed of short and long-term goals and report progress. • Worked closely with… Show more • Established trust, loyalty, and built strong relationships with clients. • Served as the main point of contact. • Responsible for client’s initial engagement period/ onboarding process. • Played a critical communications role by regularly interacting and educating clients. • Worked to meet and exceed customer expectations. • Proactively checking for upselling /cross-selling opportunities. • Assessed of short and long-term goals and report progress. • Worked closely with other team members on the identification and tracking of enhancement requests for future features, functionality and possible expansions. Show less

    • Entertainment
    • Co-Founder
      • 2016 - 2018

      United States • Led the implementation of server-side features in Javascript such as player skill rating, server-side configs, content progression/unlocking, and leaderboards using PlayFab and GameSparks. • Managed UI/UX design and focused on creating user-friendly and visually appealing interfaces, ensuring responsive and smooth user interactions. • Directed the beta testing process, effectively coordinating testing phases for optimal game performance and user experience. • Devised and executed… Show more • Led the implementation of server-side features in Javascript such as player skill rating, server-side configs, content progression/unlocking, and leaderboards using PlayFab and GameSparks. • Managed UI/UX design and focused on creating user-friendly and visually appealing interfaces, ensuring responsive and smooth user interactions. • Directed the beta testing process, effectively coordinating testing phases for optimal game performance and user experience. • Devised and executed community growth strategies, enhancing engagement and gathering valuable feedback to continuously improve the app's user experience. • Initiated and directed early marketing strategies, laying the groundwork for brand development and audience outreach, setting the stage for future marketing success. Show less

Education

  • San Francisco State University
    Bachelor of Business Administration (B.B.A.), International Business
    2016 - 2017
  • College of San Mateo
    Associate of Arts and Sciences (A.A.S.), Business Administration and Management, General
    2013 - 2016
  • University of Cauca
    Bachelor of Arts (B.A.), Foreign Languages and Literature, English, Spanish and French
    2008 - 2011
  • Codeworks

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