Jobs Lviv, JavaScript / Front-End

AI Product Engineer

The role includes both backend and frontend work, but the main focus is frontend.
 

Stack:
Backend

• Next.js (App Router) / React Server Components
• TypeScript (strict mode)
• tRPC + Zod
• PostgreSQL
• Drizzle ORM
• Auth.js
• Server-Sent Events (realtime)
• S3-compatible object storage

Frontend

• React
• TypeScript
• Tailwind CSS
• TanStack Query

Additional Technologies

• Anthropic API / AI integrations
• Microsoft Graph & Google APIs (mail/calendar)
• Docker
• Fly.io
• GitHub Actions (CI/CD)

Responsibilities:

• Build and maintain multi-tenant backend systems
• Design and enforce secure authorization and permission flows
• Develop typed API procedures and backend business logic
• Work with realtime data and event-driven flows
• Build automation, scheduling, and billing-adjacent systems
• Integrate third-party services and APIs
• Support dashboard and operational frontend features
• Optimize application performance and scalability
• Help build out automated test coverage as the platform matures

Requirements

• Strong TypeScript experience
• Good understanding of Postgres and relational data design
• Experience building backend logic and APIs
• Understanding of authentication, permissions, and security
• Comfortable working across both frontend and backend
• Actively uses AI coding tools (e.g. Claude Code, Cursor, Copilot) as part of daily workflow, and can work efficiently with AI-assisted development without sacrificing code quality

Nice to Have

• Experience with tRPC or similar end-to-end typed API layers
• Realtime systems (SSE, WebSockets)
• AI integrations
• Experience working on early-stage products with fast iteration cycles
• Mobile experience

We’re looking for a motivated and curious Trainee / Junior Frontend Developer who wants to grow fast and build real-world products.

This role is perfect for someone at the start of their career who already has a basic understanding of web development and is eager to level up with hands-on experience.

You’ll work alongside experienced developers, designers, and product managers, contributing to real features and learning best practices in a supportive team environment.

Please note that we offer a hybrid work format with mandatory in-office presence in Lviv!

What You’ll Be Doing

• Assisting in developing features in React applications
• Working with HTML, CSS, and JavaScript (ES6+) to build UI components
• Integrating with REST / GraphQL APIs (with guidance)
• Fixing bugs and improving existing functionality
• Building responsive layouts based on design specs
• Writing simple scripts and functions inside low-code / no-code editors (e.g., Appsmith-like tools)
• Learning and applying best practices in code quality and performance
• Participating in code reviews and team discussions

• Continuously improving your technical skills

   

Requirements

• Basic knowledge of JavaScript, HTML, CSS
• Familiarity with React.js (pet projects or courses are OK)
• Understanding of how APIs work (REST or GraphQL basics)
• Basic understanding of Git
• Understanding how to write scripts/functions in low-code environments (or willingness to learn quickly)
• Desire to learn and grow (this is essential 💯)

• Attention to detail and willingness to grow

   

Nice to Have

• Experience with TypeScript
• Familiarity with Next.js
• Basic knowledge of state management (Redux, Zustand)
• Experience with any UI library (Material UI, Tailwind CSS)
• Understanding of responsive design
• Any experience with low-code platforms (Appsmith, Retool, etc.)

• Any pet projects or GitHub portfolio

   

What You’ll Get

• Strong mentorship and regular feedbacks
• Real commercial experience from day one
• Clear growth path → Junior → Middle
• Friendly team and healthy engineering culture

• Opportunity to work with modern stack (React, GraphQL)

   

What We Offer

- Competitive salary and official employment
- Opportunities for professional growth and continuous learning
- Loyalty card — enjoy corporate discounts across the !FEST network
- Comfortable, independent office with parking
- 18 paid vacation days and 5 paid sick leave days
- Work format: Office (3 days) / Hybrid (2 days)

Join Us

Want to work with people who inspire you?
We’re looking for like-minded individuals to build great things together.
Welcome to the team!

Вимоги до володіння мовами

АнглійськаB1 – Середній

УкраїнськаНосій мови

JavaScript, HTML, React

Про компанію !FESTCloud.ai

!FESTCloud.ai - це інноваційний стартап створений з метою революціонізувати взаємодію бізнесу, людей та ІТ технологій. Ми - сучасна індустріальна клауд платформа, що забезпечує повний комплекс digital можливостей для реалізації бізнес застосувань нового рівня, утворюючи екосистему творчої синергії людського потенціалу, АІ та провайдерів цінності в різних сегментах бізнесу. Наш стартап — це симбіоз нового мислення для розробки програмних засобів об’єднаного з найсучаснішими технологіями котрі в руках найкращих спеціалістів України, що мають досвід роботи для найпотужніших компаній світу. Наша мета зробити Україну - країною передової digital технології що служить на благо людству. 

Ми співпрацюємо з компаніями, яким потрібні: 

- інноваційні ІТ-рішення; 

- новий підхід до масштабування. 

Наша платформа дає вам змогу легко керувати своїм бізнесом, не потребуючи технічних навичок, використовуючи інтерфейс без коду. Завдяки передовим інструментам штучного інтелекту, таким як персоналізовані рекомендації, помічники на основі штучного інтелекту та предиктивна аналітика, ми допомагаємо вам відкрити нові можливості та взаємодії, вбудовані в передову технічну архітектуру, котра робить реалізацію інновацій не rocket science задачею. 

Платформа: 

Відчуйте абсолютно новий спосіб ведення свого бізнесу — наче граєте в гру. Наша платформа надає користувачам: 

- потужні можливості розробки без програмного коду на основі AI; 

- інструменти розширеного керування обробкою даних. 

- революційні механізми роботи з знаннями та інсайтами ML Усе це відбувається в хмарному середовищі, яке забезпечує оптимальну масштабованість і гнучкість. 

Про нашу команду:

 - !FESTCloud.ai — це не типова технологічна компанія. 

- Ми — українці, керовані пристрастю до інновацій. Ми прагнемо розширювати межі можливого та використовувати передові технології для ефективних рішень. Ми разом долаємо виклики, створюючи елегантні рішення, які створюють трансформаційний вплив. Завдяки нашій візії та реалізації рішень, інноваційному духу та ясному баченню ми перетворюємо безлад на порядок - mess to mesh!

Description

We are looking for a Trainee Integration Engineer who will join our team and grow into an Integration Engineer specializing in Boomi, eCommerce integrations, and AI-powered solutions.

You will have an opportunity to learn Boomi, Shopify, REST APIs, webhooks, data transformation, integration patterns, and AI/LLM technologies, while working on a practical end-to-end demo rather than isolated training tasks. You will also use AI tools such as Claude to accelerate development and explore how AI can be embedded directly into integration and eCommerce scenarios.

Requirements

Basic understanding of programming concepts
Understanding of REST APIs and HTTP
Basic knowledge of JSON
Basic SQL knowledge
Familiarity with Git
Analytical and problem-solving mindset
Interest in AI and emerging technologies
Willingness to learn new technologies and experiment with new tools
Good English communication skills
Ability to work independently on small tasks and ask questions when needed

Nice to have

Experience with Java, JavaScript, C#, Python, or another programming language
Experience working with REST APIs
Basic understanding of Generative AI / LLMs
Experience with AI tools such as Claude, ChatGPT, GitHub Copilot, or similar
Basic understanding of cloud platforms
Familiarity with Shopify or another eCommerce platform
Understanding of webhooks
Any experience with integration platforms such as Boomi, MuleSoft, Workato, Zapier, or similar
Basic understanding of CI/CD

Job responsibilities

Learn the fundamentals of Boomi, AI-powered integrations, and integration architecture
Build and maintain integration flows in Boomi
Integrate Shopify with external systems using APIs and webhooks
Work with JSON/XML and transform data between different systems
Implement simple business scenarios and AI-powered use cases
Use AI tools such as Claude to accelerate development, troubleshooting, testing, and documentation
Explore and integrate AI/LLM capabilities into eCommerce and integration scenarios
Investigate integration failures and troubleshoot API/integration issues
Prepare technical documentation for implemented integrations
Collaborate with experienced engineers and the project/solution team
Gradually take ownership of individual integration components and contribute to the client-facing demo / PoC

What we offer

Empowering Projects: With 500+ clients spanning diverse industries and domains, we provide an exciting opportunity to contribute to groundbreaking projects that leverage cutting-edge technologies. As a team, we engineer digital products that positively impact people’s lives.

Empowering Growth: We foster a culture of continuous learning and professional development. Our dedication is to provide timely and comprehensive assistance for every consultant through our dedicated Learning & Development team, ensuring their continuous growth and success.

DE&I Matters: At GlobalLogic, we deeply value and embrace diversity. We are dedicated to providing equal opportunities for all individuals, fostering an inclusive and empowering work environment.

Career Development: Our corporate culture places a strong emphasis on career development, offering abundant opportunities for growth. Regular interactions with our teams ensure their engagement, motivation, and recognition. We empower our team members to pursue their career goals with confidence and enthusiasm.

Comprehensive Benefits: In addition to equitable compensation, we provide a comprehensive benefits package that prioritizes the overall well-being of our consultants. We genuinely care about their health and strive to create a positive work environment.

Flexible Opportunities: At GlobalLogic, we prioritize work-life balance by offering flexible opportunities tailored to your lifestyle. Explore relocation and rotation options for diverse cultural and professional experiences in different countries with our company.

Description

We are looking for a Trainee Integration Engineer who will join our team and grow into an Integration Engineer specializing in Boomi, eCommerce integrations, and AI-powered solutions.

You will have an opportunity to learn Boomi, Shopify, REST APIs, webhooks, data transformation, integration patterns, and AI/LLM technologies, while working on a practical end-to-end demo rather than isolated training tasks. You will also use AI tools such as Claude to accelerate development and explore how AI can be embedded directly into integration and eCommerce scenarios.

Requirements

Basic understanding of programming concepts
Understanding of REST APIs and HTTP
Basic knowledge of JSON
Basic SQL knowledge
Familiarity with Git
Analytical and problem-solving mindset
Interest in AI and emerging technologies
Willingness to learn new technologies and experiment with new tools
Good English communication skills
Ability to work independently on small tasks and ask questions when needed

Nice to have

Experience with Java, JavaScript, C#, Python, or another programming language
Experience working with REST APIs
Basic understanding of Generative AI / LLMs
Experience with AI tools such as Claude, ChatGPT, GitHub Copilot, or similar
Basic understanding of cloud platforms
Familiarity with Shopify or another eCommerce platform
Understanding of webhooks
Any experience with integration platforms such as Boomi, MuleSoft, Workato, Zapier, or similar
Basic understanding of CI/CD

Job responsibilities

Learn the fundamentals of Boomi, AI-powered integrations, and integration architecture
Build and maintain integration flows in Boomi
Integrate Shopify with external systems using APIs and webhooks
Work with JSON/XML and transform data between different systems
Implement simple business scenarios and AI-powered use cases
Use AI tools such as Claude to accelerate development, troubleshooting, testing, and documentation
Explore and integrate AI/LLM capabilities into eCommerce and integration scenarios
Investigate integration failures and troubleshoot API/integration issues
Prepare technical documentation for implemented integrations
Collaborate with experienced engineers and the project/solution team
Gradually take ownership of individual integration components and contribute to the client-facing demo / PoC

What we offer

Empowering Projects: With 500+ clients spanning diverse industries and domains, we provide an exciting opportunity to contribute to groundbreaking projects that leverage cutting-edge technologies. As a team, we engineer digital products that positively impact people’s lives.

Empowering Growth: We foster a culture of continuous learning and professional development. Our dedication is to provide timely and comprehensive assistance for every consultant through our dedicated Learning & Development team, ensuring their continuous growth and success.

DE&I Matters: At GlobalLogic, we deeply value and embrace diversity. We are dedicated to providing equal opportunities for all individuals, fostering an inclusive and empowering work environment.

Career Development: Our corporate culture places a strong emphasis on career development, offering abundant opportunities for growth. Regular interactions with our teams ensure their engagement, motivation, and recognition. We empower our team members to pursue their career goals with confidence and enthusiasm.

Comprehensive Benefits: In addition to equitable compensation, we provide a comprehensive benefits package that prioritizes the overall well-being of our consultants. We genuinely care about their health and strive to create a positive work environment.

Flexible Opportunities: At GlobalLogic, we prioritize work-life balance by offering flexible opportunities tailored to your lifestyle. Explore relocation and rotation options for diverse cultural and professional experiences in different countries with our company.