CrawlJobs Logo

Lead Front-End Engineer

Ukraine, Kyiv · Job Posted February 20, 2026
Apply Position
Job Link Share

Job Description

We are looking for a Lead FE Engineer at Liven. You will lead the development of builder solutions and complex automation systems. This is a challenge for those who enjoy creating tools used by others (internal products), where architectural flexibility, performance, and high-load visual editors must be carefully considered.

Job Responsibility

  • Leading a team of developers with different experience levels
  • Participating in product planning
  • Improving and modernizing the frontend infrastructure
  • Growing both technically and from a product perspective
  • Actively contributing to process improvements, the technology stack, and development practices

Requirements

  • 5+ years of experience working with JavaScript
  • Leadership experience or a strong desire to grow into a leadership role
  • Understanding and hands-on experience with CI/CD setup and configuration
  • Ability to write unit tests
  • Writing code in compliance with SOLID and GRASP principles
  • Strong experience with TypeScript and writing reliable, well-typed code
  • Experience with other major frontend ecosystems: Vue, Angular, React
  • Ability and willingness to mentor others
  • Writing clear, reliable, and well-thought-out code
  • Conducting constructive and thoughtful code reviews
  • Proposing optimal technical solutions for business needs
  • Managing technical debt and maintaining a healthy balance between product development and refactoring

What we offer

  • Culture of Curiosity: a place for explorers who embrace the unknown and achieve stellar results even when there’s no playbook
  • Growth through Impact: your professional evolution is directly tied to the value you bring to the product and the business
  • Global Impact: develop a product that supports the mental well-being of millions of users worldwide every day
  • Trust and Ownership: the freedom to act, coupled with high responsibility for the outcome
  • Expert Community: access to professional clubs, specialized training, a knowledge base, and a library for your continuous learning
  • Space for Focus: autonomous offices in Kyiv and Warsaw with breakfasts, lunches, lounge areas, walking pads, and massage chairs
  • Sports Community: a running club, yoga, boxing, rock climbing, and functional training to keep you energized
  • Medical Insurance and a stable social package
  • Well-being Program: We care about the mental health of our team as much as we care about our users
  • Support during the war: we provide conditions for stable work and contribute to Ukraine's recovery together

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Lead Front-End Engineer

8 matching positions

Lead Front-end Engineer

We’re looking for a Lead Front-end Engineer to help us build a world-class platf...
Location
Location
United States
Salary
Salary:
120000.00 - 200000.00 USD / Year
helpcare.ai Logo
Helpcare AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of front-end development experience
  • Strong mastery of modern front-end development (React/Vue ecosystem)
  • Experience building complex dashboards and enterprise interfaces
  • Experience working with systems involving payments, fintech, or e-commerce
  • Solid understanding of: performance, state management, architecture, usability
  • Ability to translate product requirements into simple, elegant interfaces
  • A mindset of ownership, curiosity, and high standards
  • Experience working with PHP-based backends and collaborating closely with backend teams (APIs, templating, legacy systems, or modern PHP frameworks like Laravel)
Job Responsibility
Job Responsibility
  • Help create and evolve modern web applications for: E-commerce management dashboards (orders, products, inventory, customers)
  • Payment operations (transaction flows, reconciliation, status tracking, billing)
  • Analytics and reporting tools
  • Highly interactive UI systems that are fast, scalable, and user-friendly
  • Fulltime
Read More
Arrow Right

Lead Front-End Engineer

Lead the next generation of fintech experiences. We’re looking for a senior fron...
Location
Location
United States , New York City
Salary
Salary:
240000.00 USD / Year
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience in front-end development with production-ready applications
  • Deep expertise in React/TypeScript and modern web architecture
  • Experienced with integrating APIs and working with complex data
  • Skilled at guiding technical decisions and leading projects
Job Responsibility
Job Responsibility
  • Build intuitive, high-performance web experiences using TypeScript, React, HTML/CSS
  • Translate product vision into interactive, client-facing features
  • Collaborate with engineers, designers, and vendors to deliver seamless solutions
  • Ensure code is robust, maintainable, and thoroughly tested
  • Mentor fellow engineers and foster a collaborative, high-performing culture
What we offer
What we offer
  • Unlimited PTO
  • 2 days per week in NYC HQ
  • Full benefits
  • 401k match
  • learning stipend
  • wellness perks
  • equity
  • Fulltime
Read More
Arrow Right

Front-End Engineer

This is a rare opportunity to join a high-calibre team where engineers are led b...
Location
Location
Canada , Montreal
Salary
Salary:
200000.00 USD / Year
hunterbond.com Logo
Hunter Bond
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional experience as a Front-End Engineer
  • Strong expertise in React and TypeScript
  • Experience working on complex, data-heavy, real-time systems
  • Confident in owning technical strategy and architecture
  • Strong Computer Science and engineering fundamentals
Job Responsibility
Job Responsibility
  • Building high-performance React front-ends for real-time trading platforms
  • Creating sophisticated dashboards and visualisations for massive datasets
  • Partnering with quants to industrialize ML insights into functional UIs
  • Making architectural decisions regarding performance and real-time data state
  • Owning problems end-to-end and influencing technical direction
  • Collaborating as a peer with a highly respected, hands-on Tech Lead
What we offer
What we offer
  • Starting base salary up to $200,000 + significant performance bonuses
  • Beautiful offices with premium perks including a gym and provided food
  • Minimal bureaucracy in a high-trust, engineer-led environment
  • Exposure to cutting-edge trading technology and high-impact greenfield work
  • A high-calibre, flat team structure with peer-to-peer collaboration
  • Comprehensive full benefits package
  • Fulltime
Read More
Arrow Right

Junior Front-End Engineer

This is a rare opportunity to join a high-calibre team where engineers are led b...
Location
Location
Canada , Montreal
Salary
Salary:
130000.00 CAD / Year
hunterbond.com Logo
Hunter Bond
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum 1+ year of professional experience with React, TypeScript, or Next.js
  • Ideally some experience or familiarity with Python
  • Solid Computer Science fundamentals (degree preferred but not essential)
  • A genuine passion for technology (side projects, meetups, blogs, etc.)
  • Ability to thrive in a collaborative, low-bureaucracy environment
  • Strong problem-solving skills and a proactive approach to learning
Job Responsibility
Job Responsibility
  • Building modern React front-end systems for real-time trading and live data
  • Creating interactive dashboards and visualisations for large, fast-moving datasets
  • Collaborating with quants to turn complex models and ML insights into intuitive UIs
  • Learning and applying performance tuning and real-time streaming patterns
  • Helping shape the next generation of front-office trading tools
  • Working within a small, high-calibre team where senior technologists lead by example
What we offer
What we offer
  • Mentorship from a highly skilled and supportive Tech Lead
  • Beautiful offices with premium perks including a gym and provided food
  • A developer-first culture that prioritizes continuous growth and high technical standards
  • Exposure to cutting-edge trading technology and high-impact greenfield work
  • Comprehensive full benefits package in a high-performance setting
  • Exceptional Bonuses
  • Up to $130,000 CAD
  • Fulltime
Read More
Arrow Right

Lead Front End Engineer

As part of our exciting growth journey, we're expanding our Digital Engineering ...
Location
Location
India , Hyderabad
Salary
Salary:
Not provided
twocircles.com Logo
Two Circles
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years' experience in software development
  • Expert in modern front-end engineering, with deep proficiency in React and Next.js, including SSR/SSG, performance optimisation, accessibility, and scalable component architecture
  • Brings working knowledge across the broader stack, including APIs, backend integration, cloud infrastructure, and security best practices
  • Strong experience building API-driven and service-oriented applications, with a solid understanding of RESTful design, GraphQL, and modern web protocols (HTTP/HTTPS, WebSockets)
  • Comfortable collaborating with backend teams and shaping frontend-backend contracts
  • Hands-on experience with cloud platforms, particularly AWS and Azure, including deploying and optimising frontend applications using services such as CDN (CloudFront/Azure Front Door), serverless (Lambda/Azure Functions), storage, and edge computing
  • Familiarity with authentication/authorization patterns (OAuth, JWT, Azure AD, Cognito)
  • Well-versed in modern DevOps and frontend delivery practices, including CI/CD pipelines (e.g. GitHub Actions, Azure DevOps), observability (e.g. Datadog, Grafana, Azure Application Insights), performance monitoring, security, and networking fundamentals
  • Advocates for automation, testing, and high-quality release processes
  • Excellent communication and collaboration skills, with the ability to work effectively in cross-functional teams, and directly with clients
Job Responsibility
Job Responsibility
  • Hands on responsibilities in the development and support of new and existing digital products for our clients
  • Creation and influence of architectural diagrams and technical specifications for multi-platform product strategies
  • Working alongside project teams to understand requirements and provide technical expertise and leadership on appropriate solutions
  • Setting up software development frameworks for release management, automation, code quality and source control
  • Collaboration with product leads, consultants, designers and developers to deliver high-quality solutions across web, mobile apps and OTT
  • Technical authoring and supporting business development opportunities
  • Providing technical leadership, mentoring and guidance to other Two Circles development resources
  • Keeping up to date on emerging technologies and trends in sports technology
  • Fulltime
Read More
Arrow Right

Lead Front-End Developer

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ Yrs experience in designing, building, testing, maintaining, and supporting large scale, high-performant UI applications
  • Expert level proficiency in UI Technologies such as Angular, React, JavaScript/ TypeScript, HTML and CSS
  • Thorough understanding of real time communication between UI and backend using HTTP, web sockets
  • Understanding of Reactive programming paradigms (RxJS and Redux/NgRx) etc.
  • Strong experience in distributed applications and architecture
  • Expertise in design, development, performance tuning, and troubleshooting UI applications
  • Hands on experience with CICD pipelines using TeamCity, Jenkins in Cloud Native environments
  • Familiarity in implementing styles based on UX designs
  • Team player with excellent interpersonal and communication & problem-solving skills
  • Innovator – drives the adoption of new approaches, solutions, and tools
Job Responsibility
Job Responsibility
  • Design & development of Front end for eTrading and Algo platforms
  • Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
  • Supporting and enhancing the existing infrastructure and applications across a variety of technologies (Angular, .Net, WPF)
  • Follow application development life cycle and drive engineering excellence
  • Balancing time to market (client delivery) with proper governance, compliance, and audit mandates
What we offer
What we offer
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Fulltime
Read More
Arrow Right

Principal Front-end Engineer

Are you an experienced Front-end Engineer?This is your opportunity to join a lea...
Location
Location
Greece , Attica
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive expertise with JavaScript and preferably Vue.js
  • Advanced TypeScript skills combined with utility-first CSS frameworks like Tailwind and component libraries such as PrimeNG
  • Experience with Vite and Webpack for build optimization, with Storybook for component documentation
  • Proven ability to design and maintain Micro-frontend architectures using private NPM packages for internal shared libraries
  • Implementation of robust testing suites using Jest, Vitest, Jasmine/Karma, and Playwright
  • Familiarity with OpenShift and containerized environments for software delivery
  • Strong understanding of SPA/BFF communication, Service Workers, and modern Browser APIs (MutationObserver/ResizeObserver)
  • Expertise in Vue.js, React or Angular (v17+), including the migration or integration of high-scale platforms
  • Experience with action-based patterns using Pinia, VueX, and NgRx, alongside RxJS for reactive programming
Job Responsibility
Job Responsibility
  • Hands-on Leadership: Maintaining active involvement in the codebase to solve root-cause issues and lead by example within the engineering squads
  • Architectural Bridge: Serving as the primary link between Architecture and Development teams to ensure scalable, secure, and high-performance software delivery
  • Technical Mentorship: Guiding the growth of engineers and assisting management in navigating complex technical challenges
  • Performance Oversight: Utilizing metrics such as Lighthouse and ChromeUX to monitor and optimize frontend health and user experience
  • Solution Design: Developing POCs and implementing robust solutions for non-functional requirements
  • Fulltime
Read More
Arrow Right

Sr Front-end Engineer - LATAM Core

Join the Commerce team at Hopper Technology Solutions (HTS), the engine powering...
Location
Location
Colombia , Cali; Medellin; Bogotá
Salary
Salary:
Not provided
hopper.com Logo
Hopper
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Exceptional Technical Craft: Expert-level proficiency in React and TypeScript, with a deep understanding of component architecture, state management, and web performance
  • Product-Minded Engineering: You anchor your conception of "quality" in the customer experience and understand how to translate business ambiguity into clear, scalable code
  • Iterative DNA: A natural drive to deliver results fast. You know how to distinguish between "must-be-perfect" core logic and features that can be evolved through data-driven iteration
  • Systems Thinking: Experience (or a hunger to learn) managing complex frontends within a distributed systems environment, ensuring reliability for high-stakes partner integrations
Job Responsibility
Job Responsibility
  • Design & Build at Scale: Architect and review code for world-class, multi-tenant travel portals that balance reusable white-label foundations with partner-specific customizations
  • Autonomous Execution: Lead initiatives from concept to deployment. Our group operates with a low-meeting culture, emphasizing deep work, strong alignment, and asynchronous decision-making to maximize engineering velocity
  • Product Innovation: Collaborate side-by-side with Product Managers and Designers to explore engineering improvements that enhance the user experience and drive partner growth
  • Cross-Functional Impact: Work seamlessly across Hopper’s ecosystem—integrating with our Scala-based fintech services and GCP infrastructure to bring sophisticated travel features to market
What we offer
What we offer
  • Well-funded and proven startup with large ambitions, competitive salary and upsides of pre-IPO equity packages
  • Hopper offers group medical and dental insurance to full-time employees
  • Hopper offers life insurance with short term and long term disability coverage
  • All employees and dependents have access to telemedicine services, anytime, anywhere
  • Please ask us about our very generous parental leave, much above industry standards!
  • Unlimited PTO
  • Carrot Cash travel stipend
  • Flexdesk Access Pass & Work-from-home stipend
  • Entrepreneurial culture where pushing limits and taking risks is everyday business
  • Open communication with management and company leadership
  • Fulltime
Read More
Arrow Right