Strahinja Cokic | Frontend Developer

My Professional Journey

With over 6 years in the tech industry, my career has been a dynamic journey through various roles and challenges. From project management to frontend development, each experience has taught me something new which made me better in the upcoming roles.

During that time, I've had the privilege of working with amazing teams on diverse projects across multiple industries, from e-commerce to SaaS, which helped me gain a lot of experience in frontend development, UI/UX design, operations, and team leadership.

Career Highlights

Key Skills Developed

Critical thinking & problem solving
Advanced React & Next.js development
TypeScript & JavaScript expertise
State management (Zustand, Context API)
UI/UX design implementation
Performance optimization techniques
Responsive and accessible web design
SEO & accessibility
Traditional and agile project management
Team leadership

Achievements

Engineered technology-specific solutions, including shadow root rendering for browser extensions
Developed advanced editors and search implementations for improved user experience
Worked on frontend development for multi-country e-commerce platforms using Next.js and Tailwind CSS
Implemented design systems and reusable component libraries to enhance development efficiency
Optimized web performance, significantly improving load times and user experience
Led 2 projects as a project manager from planning to hypercare

Technologies Mastered

Frontend: React, Next.js, Svelte
Styling: Tailwind CSS, Styled Components
State Management: Zustand, Context API
Build Tools: Webpack, Vite, Rollup
Testing: Cypress
API Integration: RESTful APIs, GraphQL
Version Control: Git, GitHub
Performance: Lighthouse, Chrome DevTools
Project Management: Agile, Waterfall, Scrum, Kanban, SAFe

Experience Timeline

Software Developer

Collabwriting

Mar 2024 - Sep 2024 · 7 mos

Collabwriting is an innovative startup developing a highlighter and knowledge base web app and Google Chrome extension. As a Software Developer, I played a key role in building these products using Svelte, enhancing users' ability to capture and share information across the web. Key Achievements:

Setup the monorepo for extension and webapp, and set up core app layout
Implemented a Notion-like editor, enhancing user experience and enabling code reuse across platforms
Streamlined development by improving code reusability between the extension and web app, ensuring UI/UX consistency
Engineered a shadow root solution for the extension, significantly improving performance, security, and UI stability
Developed dozen of critical features with some of them being tagging and mentioning system, Inbox for highlights, and note reaction and likes
Optimized app performance through optimistic updates and comprehensive refactoring

Frontend Engineer

TX Services

Jul 2023 - Feb 2024 · 8 mos

TX Services is a leading tech company specializing in job search and recruitment solutions. As a Frontend Engineer, I focused on enhancing user experiences and streamlining development processes for jobs.ch and jobup.ch web platforms. Key Achievements:

Bridged the gap between UX and Frontend teams by implementing new processes and communication channels, resulting in more efficient collaboration and faster development cycles
Worked on implementation of an enhanced design system, significantly improving consistency across the platforms and websites, while accelerating new feature development
Engineered numerous components for the jobs and jobup websites, expanding functionality and enhancing user engagement
Regularly monitored and reacted on frontend issues via Grafana and Jira

Frontend Developer

Ananas

Jun 2022 - Jun 2023 · 1 yr 1 mo

Ananas is a rapidly growing e-commerce platform, often referred to as the "Amazon of the Balkans". Initially launched in Serbia, it has successfully expanded to Macedonia, Montenegro, and Bosnia. As a Frontend Developer, I played a crucial role in enhancing the platform's user experience and search functionality, contributing to its expansion and success. Our team took over development from an outsource provider, requiring us to quickly understand and improve upon the existing codebase. Key Achievements:

Successfully transitioned development in-house, rapidly familiarizing with the existing codebase and implementing improvements to enhance performance and maintainability
Optimized Algolia search implementation across multiple country-specific websites, significantly enhancing user search experience and product discoverability
Played a key role in developing Ananas Lux, a new frontend built with Next.js and Tailwind CSS, designed to support the platform's multi-country expansion
Led the Algolia integration for Ananas Lux, ensuring seamless search functionality across all supported languages and regions
Engineered dozens of reusable components for various websites, improving development efficiency and maintaining consistency across different country versions
Due to lack of FE team lead at that moment, another medior developer and I handled all communication with stakeholders, product team, organized knowledge transfer sessions and generally covered all lead jobs until new team leads were appointed

Web Developer

Hubex

Sep 2021 - May 2022 · 9 mos

Hubex is a digital agency specializing in HubSpot development and integration. As a Web Developer, I played a crucial role in enhancing client websites and expanding our service offerings through custom development and HubSpot integrations. This position allowed me to leverage my technical skills while also gaining valuable experience in client-facing roles and project management. Key Achievements:

Developed numerous custom components for client websites, enhancing functionality and user experience. These components ranged from interactive forms and dynamic content modules to advanced data visualization tools, significantly improving user engagement and conversion rates.
Expanded company services by implementing innovative solutions based on HubDB and dynamic page creation. This initiative not only broadened our service portfolio but also positioned Hubex as a leader in providing cutting-edge HubSpot solutions.
Led the development of an MVP client portal using Next.js, integrating HubSpot as a backend and leveraging its API for authentication and content management. This project streamlined client communication and project tracking, resulting in improved client satisfaction and operational efficiency.
Optimized website performance for multiple clients, implementing best practices in lazy loading, code splitting, and asset optimization, leading to significant improvements in page load times and overall user experience.
Mentored junior developers on HubSpot best practices and modern web development techniques, contributing to the team's overall skill enhancement and project delivery capabilities.

Next.js

JavaScript

HubL

Group Project Management Specialist

Sport Vision

Jul 2019 - Aug 2021 · 2 yrs 2 mos

Sport Vision is a leading sports retailer in the Balkans. I started as a Group Project Management Associate and was promoted to Specialist, showcasing my growth and increasing responsibilities within the company. Key Achievements:

Managed group projects and coordinated with teams throughout the company to ensure timely delivery of projects
Led implementation of two critical projects: EDI integration with Adidas and Accurate Stock, which improved sync between web, warehouse, SAP, and POS systems, aimed at lowering duplicate sales on the web
Implemented SmartSheet into project management processes within PMO and led a team in its adoption
Led execution of two e-commerce & SAP customization projects on time and within budget
Facilitated workshops with partners, team members, and stakeholders to ensure clear communication and project alignment
Gained extensive experience in both traditional and agile project management methodologies

Business Development Manager

Teodesk

Apr 2018 - Jul 2019 · 1 yr 4 mos

Teodesk is a SaaS startup that provides a project management tool similar to Trello and ClickUp. As Business Development Manager, I played a crucial role in shaping the company's operational processes and growth strategies. Key Achievements:

Defined essential operational processes within the company, including sales, hiring, and marketing strategies
Established the hiring process and recruited personnel for sales and marketing roles
Assisted in backlog management and realization of scrum ceremonies, bridging business and development teams
Led implementation of GDPR compliance and ISO 27001 certification, ensuring data security and regulatory adherence
Implemented HubSpot into sales and marketing processes, streamlining customer relationship management

Data Collection and Labeling Associate

Microsoft Development Center Serbia

Jul 2017 - Dec 2017 · 6 mos

At Microsoft Development Center Serbia, I contributed to improving AI and machine learning models through meticulous data collection and labeling. Key Responsibilities:

Collected and labeled diverse datasets for training AI models, ensuring high accuracy and quality
Collaborated with data scientists and engineers to refine data collection methodologies
Contributed to the improvement of image recognition systems through precise photo annotation and classification
Participated in quality assurance processes to maintain data integrity and consistency

Marketing Intern

Air Serbia

Oct 2016 - Mar 2017 · 6 mos

As a Marketing Intern at Air Serbia, the national flag carrier and largest airline of Serbia, I gained valuable experience in airline marketing strategies and promotional material management. Key Responsibilities:

Assisted in developing marketing campaigns for new routes and promotional offers
Conducted market research to identify customer preferences and travel trends
Managed logistics of promotional materials warehouse, ensuring efficient inventory control
Coordinated distribution of promotional materials to colleagues and international destinations for various marketing initiatives
Contributed to the creation of marketing materials, including brochures and digital content
Analyzed campaign performance metrics and prepared reports for the marketing team

Account Assistant / Intern

Executive Group

Oct 2014 - Nov 2014 · 2 mos

Executive Group is a leading communications and public relations agency in Serbia. As an Account Assistant Intern, I gained hands-on experience in PR and client relations. Key Responsibilities:

Assisted account managers in day-to-day client communications and project coordination
Conducted media monitoring and prepared daily press clippings for clients
Contributed to the development of PR strategies and campaign ideas
Supported event planning and execution for client promotional activities
Gained insights into crisis communication management and reputation building strategies

Marketing & PR Manager

AIESEC Serbia

May 2013 - Feb 2014 · 10 mos

AIESEC is the world's largest youth-run organization focused on developing leadership through international exchanges. As Marketing & PR Manager for AIESEC Serbia, I played a crucial role in promoting the organization and its programs. Key Achievements:

Developed and executed marketing strategies to increase awareness of AIESEC programs among university students
Organized promotional events and info sessions at universities across Serbia
Coordinated with local committees to ensure consistent branding and messaging nationwide
Established partnerships with media outlets to increase AIESEC's visibility in the press