Senior Frontend Engineer Jobs

Senior Software Engineer - Frontend

You’ll join the team primarily responsible for our overall front-end experience,...

Location

United States

Salary:

200000.00 - 225000.00 USD / Year

Tines

Expiration Date

Until further notice

Requirements

Capable with a high-level programming language
Comfortable building a small command-line program that makes decisions based on JSON input
Comfortable working across frontend, backend, and infrastructure (broad role, not specialized)
Must be authorized to work for any employer in the U.S. (for U.S. roles)

Job Responsibility

Work closely with colleagues to build solutions to customer problems
Write and review high quality, well tested code
Identify areas for improvement in codebase and workflows
Own problems and software solutions all the way to production
Shape and evolve our design system, building high-quality components
Mentor other engineers (at higher levels)
Help prioritise our roadmap (at higher levels)

What we offer

Competitive salary
Startup equity & extended exercise window
Matching retirement plans
Home office setup
Private healthcare plans
25 days annual leave
Extra company holidays
Generous parental leave programs
Flexibility in how and where you work
Phone and home Internet allowance

Fulltime

Senior Frontend Software Engineer

Addepar is seeking a Senior Frontend Software Engineer to join our Partner Platf...

Location

United Kingdom , Edinburgh

Salary:

Not provided

Addepar

Expiration Date

Until further notice

Requirements

B.S., or M.S. in Computer Science or similar technical field of study (or equivalent practical experience)
Extensive software engineering experience
Proficient in frontend development
Moderate backend experience, specifically with Python or Java
Experience with databases and SQL
A strong ownership mentality and drive to solve the most important problems
Passion for implementing standard processes with a bias toward smart automation
Proven ability to collaborate with and mentor other engineers
A rapid learner with robust analytical and problem-solving abilities

Job Responsibility

Architect, implement, and maintain engineering solutions to solve complex problems
write well-designed, testable code
Lead individual project priorities, deadlines, and solutions
Collaborate effectively with product managers, engineers and partners on projects
Communicate technical ideas and set direction on projects with a focus on solving business challenges
Mentor other engineers on the team
Participate in the design and development of a strategic product for Addepar
Write clean, efficient, and maintainable code that's also scalable and extensible

Fulltime

Senior Frontend Engineer

We’re seeking a highly skilled Senior Frontend Engineer to help lead frontend de...

Location

Salary:

Not provided

Tech Holding

Expiration Date

Until further notice

Requirements

5+ years of professional experience in frontend development, with a strong focus on building dynamic and responsive web applications
Expert understanding of the JavaScript ecosystem, specifically around React, TypeScript, and testing frameworks
Expert understanding of user-centered design principles, design systems, and responsive design
Demonstrated experience in improving web application performance
Strong communication skills and experience working in a collaborative, Agile environment

Job Responsibility

Develop and maintain user-facing features with clean and reusable code
Collaborate with the design team to ensure pixel-perfect UI and a smooth and intuitive user experience
Collaborate with the product team to understand requirements, scope and prioritize features to ensure timely delivery
Write and maintain unit and integration tests to ensure code quality and reliability
Optimize for speed, scalability, and performance
Review code and provide technical feedback to team members
Mentor and coach junior frontend engineers
Participate in agile sprint rituals such as standups and planning
Write and maintain internal technical documentation
Debug and resolve production issues

What we offer

Remote and flexible work environment
Exposure to enterprise clients and transformative cloud projects
Opportunity to directly impact Tech Holding's growth and client success
Competitive compensation package

Fulltime

Senior Frontend Engineer - ReactJS

At JOIN, we believe hiring should be easy, fast, and fair - for companies and ca...

Location

Spain , Barcelona

Salary:

70000.00 - 80000.00 EUR / Year

join.com

Expiration Date

Until further notice

Requirements

4+ years of experience as a Frontend Engineer working with modern JavaScript frameworks (React preferred)
Strong understanding of TypeScript, HTML5, and CSS3
Solid experience with state management libraries (Redux, Zustand, or similar)
Knowledge of API integration patterns and data fetching (REST, GraphQL)
Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress
Understanding of CI/CD pipelines and version control using Git
Experience working collaboratively in cross-functional Agile teams
Strong focus on performance, accessibility, and usability

Job Responsibility

Collaborate with Backend Engineers, Product Managers, and DevOps/Platform teams to deliver meaningful, high-quality features through our Agile SDLC/Kanban workflow
Conduct peer code reviews and participate in retrospectives to identify improvements and drive collective growth
Help define requirements, propose solutions, and contribute to achieving team goals effectively
Take part in technical discussions on testing culture, architectural decisions, automation, and coding standards
Go beyond coding - think holistically about product value and customer experience, continuously looking for ways to improve it

What we offer

Apple hardware – The best tools for the job (MacBook)
Team events – Brunches, sports activities, and quarterly gatherings in Berlin
Productivity from Everywhere – 104 days per year remote (post-probation), following our hybrid policy
Competitive salary – Tailored to align with your experience level
Relocation support – Assistance with paperwork, travel, and one month of furnished accommodation

Fulltime

Senior Frontend Engineer

We’re hiring a Senior Frontend Engineer to help shape the future of the enterpri...

Location

Salary:

Not provided

Island

Expiration Date

Until further notice

Requirements

5+ years of experience as a Fullstack Engineer
Hands-on experience with cloud platforms (AWS, GCP, or Azure)
Strong skills in both modern frontend and backend technologies
Ability to thrive in fast-paced, collaborative environments

Job Responsibility

Work on the core of our enterprise browser platform — building scalable, high-performance features that power the modern enterprise
Collaborate closely with product and design teams to craft intuitive user experiences
Tackle complex engineering challenges on both frontend and backend systems
Push boundaries: streamlining workflows, enhancing productivity, and redefining what’s possible inside the browser

Fulltime

Senior Frontend Engineer

Flanks is shaking up the wealth management industry by making it simpler and way...

Location

Spain , Barcelona

Salary:

Not provided

Flanks

Expiration Date

Until further notice

Requirements

At least 7 years on an Engineer Software role
Autonomous coder
You know your way around collaborating with others using standard tooling (git, github PR's, etc)
You are a good communicator who knows how to express problems, solutions and trade-offs
You know how to read and understand job offers
Focused
You can work with both legacy and greenfield code
You take ownership of problems
You live in Spain and are close enough to Barcelona to commute to the office once a month by your own means
Living in Spain is a mandatory and non-negotiable requirement

Job Responsibility

Build seamless user interfaces for secure credential storage
Handle sensitive financial data with performance, compliance, and traceability in mind
Scale our ingestion system to fetch more data, faster
Mentor and grow the team, ensuring alignment and consistency as we expand
Help and support other members of the team
Take a leading role in new initiatives
Have a voice in the way we shape the future of technology at Flanks

What we offer

A cool office between Sants Estació and Plaça Espanya with stunning views of Barcelona
Flexible working hours and hybrid work options
Paid day off on your birthday
Weekly fresh fruit, coffee, and tea on tap
Friday happy hours after our all-hands meetings
Team-building events
Health insurance and flexible compensation with Alan
A digital canteen, thanks to Nora Real Food, subsidised at 50%
A yearly training budget

Fulltime

Senior Frontend Software Engineer

We are looking for brilliant, creative, curious, and experienced frontend softwa...

Location

United Kingdom , Edinburgh

Salary:

Not provided

Blis

Expiration Date

Until further notice

Requirements

Javascript and Typescript
ReactJS
CSS and CSS preprocessors
Advanced HTML and DOM knowledge
RESTFul, SPA, and MVC concepts and architectures
Playwright, RTK Query, React Testing Library
7+ years experience as a frontend engineer exposed to visual-oriented, customer-centric web applications
Degree in Computer Science, Software Engineering, or similar

Job Responsibility

Innovate, implement, support, and iterate on our user-facing web applications
Write and improve robust and highly maintainable Javascript and ReactJS code
Ensure our designs and systems are resilient, robust, and secure
Support and mentor other members of the team
Commitment to Blis' Inclusion initiatives & 5 step sustainability plan

New

Senior Frontend Engineer

We’re looking for a Senior Frontend Engineer who cares deeply about how fast, st...

Location

United States

Salary:

175000.00 - 200000.00 USD / Year

Arize

Expiration Date

Until further notice

Requirements

5+ years of experience building user-facing web applications, including senior-level ownership of complex, high-impact projects
Fluent in React and TypeScript, and have helped shape or modernize a frontend stack
Practical experience with GraphQL (schemas, queries, mutations, performance considerations) and at least one GraphQL client
Worked on performance-sensitive or data-heavy products (dashboards, observability, dev tools, ML platforms, real-time UIs)
Use metrics and traces to guide performance work
Care about UX quality such as loading states, error states, keyboard shortcuts, micro-interaction, and express that care through clean abstractions and solid architecture
Energized by education

Job Responsibility

Spend most of your time building rich, performant frontend experiences in React + TypeScript (dashboards, traces, configuration flows, real-time views)
Collaborate with backend engineers on requirements, define API contracts, implement UI, and ship with metrics, logs, and alerts wired up
Design and implement patterns built for scale that work under real data and load
Lead frontend architecture decisions around routing, data fetching, caching, and client-side error handling
Use analytics tools, browser performance profilers, and Core Web Vitals to measure, debug, and continuously improve frontend performance
Build and iterate on visualizations for model performance, agent behavior, and real-time signals by paying attention to rendering performance and perceived latency
Drive UI resilience: robust loading states, optimistic updates where appropriate, pagination / virtualization, retry logic, and graceful degradation
Provide technical leadership: reviewing designs and PRs, mentoring engineers on frontend patterns and performance, and raising the bar on UX quality in code

What we offer

Competitive equity package
Comprehensive benefits package, including medical, dental, vision
401(k) plan
Unlimited paid time off
Generous parental leave plan
Additional support for mental health and wellness
WFH monthly stipend to pay for co-working spaces

Fulltime

Senior Frontend Engineer

Yopeso

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 25, 2025

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Yopeso

Location:

Category:IT - Software Development

Contract Type:Not provided

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Job Description:

Job Responsibility:

Requirements:

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Job Posted:December 25, 2025

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Job Posted:
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