Find Engineer (react) Jobs in Dublin, Dublin

Staff Performance Engineer
Ridgeline —Dublin, County Dublin
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Customer Support Engineer - Ireland
Heidi —Dublin, County Dublin
- Full-time
- Hybrid work
- AI
- Communication skills
- Python
- Work from home
8d
AI Engineer
Version 1 —Dublin, County Dublin
- €45,000–€60,500 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- English
- Employee assistance program
- Employee discount
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Staff Engineer
Nory —Dublin, County Dublin
- Full-time
- Remote
- Restaurant management
- AWS
- Python
- Annual leave
- Work from home
11d
Senior Mobile Engineer
Nory —Dublin, County Dublin
- Full-time
- Hybrid work
- Hospitality
- Restaurant management
- English
- Annual leave
- Work from home
4d
Lead Agentic Engineer
Marsh —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- Presentation skills
Lead AI Engineer
Marsh —Dublin, County Dublin
- Full-time
- Master's degree
- Presentation skills
- Mentoring
11d
Dynamics 365 Project Operations Engineer
MTM Engineering —Dublin, County Dublin
- Full-time
- Azure
- JavaScript
- Communication skills
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Senior AI Engineer
Marsh —Dublin, County Dublin
- Full-time
- Master's degree
- AI
- Communication skills
11d
SharePoint Infrastructure Engineer (12 month Contract)
Storm Technology Limited —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- DevOps
- Windows
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Staff Product Designer - Design Systems - 100% Remote - EMEA
Hostaway —Dublin, County Dublin
- Full-time
- Remote
- Research
- Bachelor's degree
- JavaScript
- Annual leave
- Work from home
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Staff Engineer, Site Reliability
LearnUpon —Dublin, County Dublin
- On call
- AWS
- AI
- Annual leave
Senior Product Engineer - Pricing & Packaging
Intercom —Dublin, County Dublin
- On call
- Hybrid work
- Salesforce
- Annual leave
- Work from home
Engineering Manager (m/f/d)
Affinidi —Dublin, County Dublin
- Remote
- AWS
- JavaScript
- Leadership
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9d
Senior Solutions Engineer
Okta —Dublin, County Dublin
- Sales
- Java
- Presentation skills
3d

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Staff Performance Engineer

Ridgeline -
Dublin, County Dublin

Quick apply

Job details

Qualifications

React
Distributed systems
SaaS
Debugging
Workday

Full job description

Are you passionate about building lightning-fast user experiences that scale across complex enterprise applications? Do you enjoy uncovering hidden performance bottlenecks in frontend rendering, API interactions, and critical user workflows? Are you excited to partner across product and platform engineering teams to improve responsiveness, reliability, and real-world customer experience through data-driven optimization? If so, we invite you to be a part of our innovative team.

As a Performance Engineer at Ridgeline, you'll improve application and frontend performance across our modern investment management platform by optimizing client-side behavior, measuring real-user experience, and strengthening application observability. You'll work closely with engineering teams to analyze rendering pipelines, reduce inefficient service interactions, and improve the speed and responsiveness of mission-critical user journeys. Our team of engineers are building with cutting-edge technologies—like Claude Code and Cursor—in a fast-moving, creative, progressive work environment.

At Ridgeline, how we work matters as much as what we build. Ridgeliners act like owners, choose growth over comfort, and communicate with transparency. We assume positive intent, bias toward action, and bring solutions—not just problems. We celebrate wins, learn from setbacks, and thrive in a resilient, collaborative, high-performing culture.If this excites you, we'd love to meet you!

The impact you will have

Analyze frontend rendering behavior and optimize application responsiveness across complex workflows
Identify inefficient API usage patterns, excessive client-server communication, and performance bottlenecks
Measure and improve real-user performance metrics across critical customer experiences
Build and enhance tools for synthetic testing, browser instrumentation, and client-side observability
Partner with product engineering teams to improve the performance and reliability of high-impact user journeys
Develop scalable approaches for performance profiling, monitoring, and regression detection
Collaborate across engineering teams to establish frontend performance best practices and standards
Investigate production performance issues and drive root-cause resolution with urgency and ownership
Contribute to a collaborative environment rooted in learning, teaching, and transparency

What we look for

5+ years of experience in frontend engineering, application engineering, or performance engineering
Strong understanding of browser rendering pipelines, frontend optimization techniques, and web performance fundamentals
Experience building applications with React or similar frontend frameworks
Familiarity with real-user monitoring, performance profiling, and observability tooling
Experience analyzing network behavior, API interactions, and client-side performance bottlenecks
Strong debugging and problem-solving skills in modern web application environments
Ability to communicate technical findings clearly across engineering and product teams
Willingness to learn about cutting-edge technologies while cultivating expertise in a business domain/problem space
An aptitude for problem solving
Ability to communicate effectively
Serious interest in having fun at work

Bonus

Experience with synthetic monitoring or browser automation frameworks
Familiarity with distributed systems or service-oriented architectures
Experience improving performance in enterprise SaaS applications
Knowledge of accessibility and frontend quality best practices

About Ridgeline

Ridgeline is the first front-to-back system of record for investment managers. Founded by visionary entrepreneur Dave Duffield (co-founder of both PeopleSoft and Workday), the company was created to modernize an industry held back by outdated, disconnected technology. Powered by a single, real-time data set and embedded AI, Ridgeline helps firms automate complexity, accelerate collaboration, and deliver tailored client experiences at scale, without added headcount or risk. Ridgeline is headquartered in Lake Tahoe, with offices in New York, Reno, and the Bay Area, and is recognized by Fast Company as a "Best Workplace for Innovators," by Frost & Sullivan as a "Technology Innovation Leader," and by The Software Report as a "Top 100 Software Company."

Ridgeline is proud to be a community-minded, discrimination-free equal opportunity workplace.

Ridgeline processes the information you submit in connection with your application in accordance with the Ridgeline Applicant Privacy Statement. Please review the Ridgeline Applicant Privacy Statement in full to understand our privacy practices and contact us with any questions.

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Refine Your Search

engineer (react) jobs in dublin, dublin

Staff Performance Engineer

Customer Support Engineer - Ireland

AI Engineer

Staff Engineer

Senior Mobile Engineer

Lead Agentic Engineer

Lead AI Engineer

Dynamics 365 Project Operations Engineer

Senior AI Engineer

SharePoint Infrastructure Engineer (12 month Contract)

Staff Product Designer - Design Systems - 100% Remote - EMEA

Staff Engineer, Site Reliability

Senior Product Engineer - Pricing & Packaging

Engineering Manager (m/f/d)

Senior Solutions Engineer

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