Senior Front End Engineer Jobs

New

Senior Front-End JS Engineer

Are you an experienced Front-End JS Engineer who enjoys applying your expertise ...

Location

Salary:

Not provided

CobbleWeb

Expiration Date

Until further notice

Requirements

Experienced Front-End JS Engineer
Expertise in modular design and component-base architecture
Result-oriented builder’s mindset
Adept at designing user-centric solutions that balance technical and business needs
Strong communication skills
Comfortable working within a structured remote environment
Experienced remote worker

Job Responsibility

Help us build a plug-and-play library that will revolutionise the development of online marketplaces like Amazon and Airbnb

What we offer

Flexibility of remote work without the stress of commutes and unnecessary meetings
Fixed working hours (+- 40 hours per week) divided into core and flexible daily time-slots
Work on diverse and challenging ecommerce projects
Be part of a rapidly-growing team that values your input and encourages conti

Fulltime

New

Senior Front-end Engineer (React)

This project focuses on empowering modern cities to understand how people and sy...

Location

Ukraine

Salary:

Not provided

StartupSoft

Expiration Date

Until further notice

Requirements

Strong proficiency in JavaScript (ES6+) and React.js
Hands-on experience with HTML5, CSS3, and responsive design principles
Experience with state management libraries (Redux, MobX, Context, Recoil, etc.)
Familiarity with REST APIs
Understanding of front-end build tools (Webpack, Vite, Babel)
Proficiency with Git and modern development workflows
Knowledge of component-driven development and design patterns
Strong problem-solving skills and attention to detail
Good communication and collaboration abilities
Ability to work in a fast-paced, agile environment

Job Responsibility

Develop and maintain React.js web applications with a focus on performance and scalability
Build reusable components, hooks, and front-end libraries for future use
Translate UI/UX wireframes and design mockups into high-quality code
Optimize applications for speed, responsiveness, and SEO
Integrate front-end components with FastAPI or backend services
Manage application state using tools such as Redux, Zustand, Recoil, or Context API
Write clean, maintainable code following industry best practices
Debug issues, perform root-cause analysis, and implement timely fixes
Collaborate with cross-functional teams, including backend developers, designers, and QA
Participate in code reviews, agile ceremonies, and sprint planning

What we offer

Global collaboration opportunities
Core team membership
Equity and ownership potential
Premier workspaces
Competitive compensation package
Cutting-edge technology environment
Impactful project contributions
Collaborative company culture

Fulltime

New

Senior Front End Software Engineer

A key member of a geographically distributed team, you will bridge the gap betwe...

Location

United Kingdom , Abingdon

Salary:

Not provided

Preservica

Expiration Date

Until further notice

Requirements

5+ years of demonstrable experience in building production software with React.js and TypeScript
Degree level education in an engineering / software / system related subject or equivalent through relevant training and/or experience
Proficient understanding of semantic markup, including HTML5, CSS3 (comfortable with CSS animations and flexbox)
Solid understanding of RESTful API integration (auth, error handling, pagination)
Experience with unit/integration testing frameworks (e.g., Jest, React Testing Library)
Proven collaboration with UX/design and backend teams to deliver performant, accessible interfaces

Job Responsibility

Design and implement robust front-end solutions using React.js and TypeScript
Champion maintainable code: readable patterns, modular architecture, strong test coverage
Drive and evolve engineering standards, code review quality, and best practices
Validate and refine UI/UX for technical feasibility and performance
Integrate front-end components cleanly with APIs and backend services into production-ready systems
Document architecture decisions, components, and interface contracts
Mentor junior and mid-level engineers through pairing, code reviews, and technical guidance
Estimate effort for stories, spikes, and support tickets with realistic risk assessment
Follow established quality assurance procedures
Be familiar with Agile development practices, including Continuous Integration / Continuous Delivery (CI/CD)

What we offer

Competitive salary and benefits package
Great future prospects in a fast-growing market sector
Tailored career development based on your aspirations
Focus on personal development and training
Annual training allowance

New

Senior Front End Developer

As a Senior Front-End Developer, you will be at the forefront of our web develop...

Location

United States , Boston

Salary:

Not provided

Pixels 360

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
5 years of experience in front-end development with proficiency in HTML5, CSS3, JavaScript, and related frameworks (e.g., React, Angular, or Vue)
Strong understanding of responsive design principles and cross-browser compatibility
Proven track record of delivering visually appealing and highly functional user interfaces
Excellent problem-solving skills and attention to detail

Job Responsibility

Front-End Development: Design and implement high-quality, responsive, and visually appealing user interfaces using modern front-end technologies such as HTML5, CSS3, and JavaScript
Collaboration: Work closely with UX/UI designers, back-end developers, and other stakeholders to ensure seamless integration of front-end and back-end components
Code Quality: Conduct code reviews to ensure best practices, maintain code quality, and promote a culture of continuous improvement
Performance Optimization: Identify and implement strategies for optimizing the performance of web applications, ensuring a smooth and efficient user experience
User Experience: Contribute to the user experience (UX) design process, providing input on usability and interaction design
Cross-Browser Compatibility: Ensure that web applications are compatible across various browsers and devices
Mentorship: Provide guidance and mentorship to junior front-end developers, fostering a collaborative and learning-oriented team culture

Senior Software Engineer, Front End

As a Senior Software Engineer, Front End at Kiddom, you will help design and del...

Location

United States , San Francisco Or New York

Salary:

150000.00 - 200000.00 USD / Year

Kiddom

Expiration Date

Until further notice

Requirements

5–8+ years of professional software engineering experience, with significant emphasis on modern front-end development
Strong proficiency with React (or similar frameworks such as Vue or Angular) and the surrounding ecosystem (state management, routing, build tools)
Solid understanding of frontend performance, responsive UI development, and accessibility best practices
Ability to design modular, scalable solutions that support long-term product evolution
Familiarity with backend fundamentals (REST APIs, microservices, data modeling) and experience collaborating closely with backend teams
Experience with cloud-based infrastructure (AWS, GCP, or similar)
Strong communication skills and the ability to collaborate across design, product, and engineering
Passion for building products that improve the lives of teachers and students

Job Responsibility

Lead the implementation of major product features and frontend initiatives across our web apps
Contribute to the evolution of Kiddom’s frontend architecture, focusing on performance, reliability, accessibility, and long-term maintainability
Collaborate deeply with designers and product managers to translate requirements into elegant user experiences
Partner with backend engineers to shape APIs, data models, and integration patterns for scalable front-end development
Participate in design reviews, code reviews, and architectural discussions
Mentor and support junior and mid-level engineers, fostering a culture of quality and continuous improvement
Identify technical debt and propose pragmatic solutions that align with product needs
Help drive improvements in testing, tooling, CI/CD, and overall developer experience

What we offer

Competitive salary
Meaningful equity
Health insurance benefits: medical (various PPO/HMO/HSA plans), dental, vision, disability and life insurance
One Medical membership (in participating locations)
Flexible vacation time policy (subject to internal approval). Average use 4 weeks off per year
10 paid sick days per year (pro rated depending on start date)
Paid holidays
Paid bereavement leave
Paid family leave after birth/adoption. Minimum of 16 paid weeks for birthing parents, 10 weeks for caretaker parents. Meant to supplement benefits offered by State
Commuter and FSA plans

Fulltime

Senior Front-End Software Engineer, Sportsbook

Easygo leads the world in crafting top-tier entertainment experiences. Within ou...

Location

Australia , Melbourne

Salary:

Not provided

Easygo Gaming

Expiration Date

Until further notice

Requirements

Bachelor's/Master's degree in Computer Science or equivalent practical experience
6+ years of hands-on experience in software engineering, with a primary focus on frontend development
Experience with Svelte + SvelteKit or other server-side rendering frameworks (e.g. React + NextJS, Vue + Nuxt, Quasar, etc)
Proficiency in JavaScript fundamentals, Subscriptions (WebSockets, Pub/Sub), TypeScript, GraphQL, Storybook and related technologies
Strong understanding of code architecture and design principles
Excellent problem-solving skills and the ability to thrive in a fast-paced, dynamic environment
Strong communication skills for effective collaboration with teams and stakeholders
Analytical mindset to address complex technical challenges and devise innovative solutions
Positive attitude and eagerness to learn new technologies to grow as a full-stack engineer

Job Responsibility

Actively engage in hands-on coding, testing, debugging, and troubleshooting to ensure code quality, scalability, and maintainability
Write efficient, scalable, and maintainable code, adhering to coding standards and best practices
Lead technical discussions and propose solutions that drive team performance and contribute to team and company OKRs
Innovate within the team by pushing for improvements and driving constructive changes to enhance team performance and efficiency
Analyse complex problems and provide effective solutions, contributing to team goals and initiatives
Lead and independently complete medium-sized projects or components from start to finish
Identify opportunities for improvement and take initiative in technical discussions
Share knowledge and best practices with the team, fostering a collaborative and learning-oriented environment
Mentor junior engineers by providing guidance and constructive feedback to support their growth
Collaborate with stakeholders, product managers, and engineering teams to effectively communicate technical concepts

What we offer

EAP access for you and your family
Access to over 9,000 courses across our Learning and Development Platform
Paid volunteer day
Two full-time barista’s who will make your daily coffee, tea or fresh juice
Daily catered breakfast
Massage Wednesdays - we get professionals to do this
Team lunches and happy hour in the office from 4pm on Fridays
Fun office environment with pool tables, table tennis and all your favourite gaming consoles
Help yourself drinks fridges and snack shelves

Fulltime

Senior Front-end Engineer I

We are looking for a talented Senior Front-end Engineer to join our dynamic AI f...

Location

United States , NYC

Salary:

140000.00 - 165000.00 USD / Year

Conductor

Expiration Date

Until further notice

Requirements

5+ years of experience in front-end development
At least 3 years in building scalable and secure SaaS application platforms and systems for intelligent applications
Expert-level proficiency in React and TypeScript
Comfortable using design tools like Figma or Sketch to collaborate with designers
Familiarity with microfrontend architectures
Deep understanding of modern front-end technologies, including state management, component libraries, and build tools
Proven experience building complex, interactive, and high-performance user interfaces
Strong product mindset, with a genuine curiosity to understand user needs, challenge assumptions, and shape product direction through thoughtful input
Thrive in fast-paced, ambiguous startup environments, taking initiative, owning outcomes, and communicating effectively across teams

Job Responsibility

Craft elegant and user-friendly front-end experiences using React and TypeScript
Collaborate cross-functionally with product managers, UX designers, and fellow engineers to define technical requirements and deliver scalable, high-impact solutions
Engage in thoughtful code reviews, promoting clean, maintainable, and high-quality code
Support and guide junior engineers, helping to cultivate a culture of learning and collaboration
Drive continuous improvement by contributing to engineering best practices and development workflows
Take full ownership of the front-end development lifecycle, from concept and technical design to implementation and deployment

What we offer

100% covered employee medical plan
Dental & vision plans
401(k) with employer contribution
Unlimited vacation policy
10 sick days
Short-term disability
Long-term disability
Generous paid parental leave
Employee assistance program
Flexible savings accounts

Senior Front End Excel / Javascript Engineer

DEPT® is looking for a strong Front End Developer with extensive experience with...

Location

Argentina , Gran Buenos Aires, Capital Federal, Mar del Plata

Salary:

Not provided

BASIC/DEPT®

Expiration Date

Until further notice

Requirements

Strong Front End Developer with extensive experience with Office Javascript API
Proficiency in frontend frameworks like React, Angular, or Vue.js
Understanding of Excel Add-in development
Familiarity with Office Add-ins platform, its architecture (manifest file and web application components), and deployment methods
Experience with Office JavaScript API, HTML, CSS, JavaScript (or TypeScript), Frontend Frameworks (React, Angular, Vue.js), Node.js, Office Add-ins Development Kit, Visual Studio Code, Yeoman
Based in Argentina or Uruguay
English communication skills

Job Responsibility

Building User Interfaces in Excel: Designing and developing task panes, custom ribbon buttons, menus, and other UI elements within Excel
Integrating with Excel Functionality: Using the Office JavaScript API to read and write data, interact with Excel objects (like charts and tables), and extend its capabilities
API Integration: Connecting the add-in to external data sources or APIs to retrieve or send information
Performance Optimization: Ensuring the add-in loads quickly and user interactions are responsive

What we offer

Collaborative, open-door, best-idea-wins environment that fosters personal and company growth
Equal opportunity employer (EOE)
Inclusive and barrier-free recruitment and selection process and workplace
B Corp-certified company passionate about purpose-driven work

Senior Front End Engineer

Clinical Trial Media

Location:
United States, Hauppauge

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 07, 2025

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Senior Front End Excel / Javascript Engineer

Senior Front End Engineer

Clinical Trial Media

Location:United States, Hauppauge

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 07, 2025

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Senior Front End Excel / Javascript Engineer

Location:
United States, Hauppauge

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
December 07, 2025