Find Staff software engineer, ruby on rails Jobs in County Dublin

Senior Staff Performance Engineer
Ridgeline —Dublin, County Dublin
- AI
- Communication skills
Quick apply
7d
Staff Engineer (Machine Learning)
Synopsys —Dublin, County Dublin
- Doctoral degree
- Computer Science
- Research
Lead Software Engineer
Elwood Roberts —Dublin, County Dublin
- €400–€500 a day
- Full-time
- Microsoft Excel
- Java
- AWS
Quick apply
IT Support Engineer - Level 2
PFH Technology Group —Dublin, County Dublin
- Azure
- Software troubleshooting
- Customer service
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Staff AI Designer
Intercom —Dublin, County Dublin
- Hybrid work
- Annual leave
- Work from home
Software Engineer Manager
Elwood Roberts —Dublin, County Dublin
- €500–€600 a month
- Full-time
- Microsoft Excel
- Java
- AWS
Quick apply
Applied AI Architect (Startups)
Anthropic —Dublin, County Dublin
- €190,000–€215,000 a year
- Master's degree
- Bachelor's degree
- AI
2d
Senior Software Engineer, Inference
Anthropic —Dublin, County Dublin
- €235,000–€295,000 a year
- Master's degree
- AWS
- Bachelor's degree
Project Engineering Management, Sr Staff Engineer
Synopsys —Dublin, County Dublin
- Microsoft Excel
- Engineering
- Master's degree
Staff Engineer
Solance —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- Java
- AWS
Quick apply
Lead Software Engineer (Python, Node.js, AWS, AI/ML)
Ellucian —DUBLIN 4, County Dublin
- Full-time
- Java
- Master's degree
- AWS
- Annual leave
- Referral programme
Software Developer
Clio —Dublin, County Dublin
- €72,300–€97,700 a year
- Full-time
- Java
- C++
- JavaScript
Staff Security Software Engineer
eBay Inc. —Dublin, County Dublin
- Full-time
- Azure
- System design
- SQL
14d
Senior Staff Engineer
MongoDB —Dublin, County Dublin
- On call
- Azure
- Java
- AWS
Staff Engineer
Seapoint —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- AWS
Quick apply
Staff Machine Learning Engineer
Sonatus —Dublin, County Dublin
- Hybrid work
- Doctoral degree
- Computer Science
- Master's degree
- Work from home
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
14d
Senior Software Engineer
GreyScout —DUBLIN 1, County Dublin
- Computer Science
- SQL
- Bachelor's degree
- Annual leave
Staff Network Engineer
Cadence Design Systems —Dublin, County Dublin
- Full-time
- Computer Science
- System design
- Bachelor's degree
- Employee stock purchase plan
- Life insurance
IT Support Engineer
Elwood Roberts —Dublin, County Dublin
- €30,000–€40,000 a month
- Full-time
- Software troubleshooting
- Customer service
- Windows
Quick apply

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Senior Staff Performance Engineer

Ridgeline -
Dublin, County Dublin

Quick apply

Job details

7 days ago

Qualifications

Kubernetes
Data structures
Distributed systems
AI
Communication skills
Workday

Full job description

Are you excited to solve the hardest performance challenges in distributed systems at scale? Do you enjoy diving deep into latency, concurrency, networking, and cross-region behavior to uncover opportunities for optimization and resilience? Are you motivated by influencing engineering strategy and building scalable performance practices that empower teams across an organization? If so, we invite you to be a part of our innovative team.

As a Senior Staff Performance Engineer at Ridgeline, you'll lead critical initiatives focused on improving the performance, scalability, reliability, and cost efficiency of our platform. You'll partner closely with infrastructure, platform, and application engineering teams to investigate complex system behaviors, define performance standards, and influence architectural decisions across distributed systems. 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

Lead deep performance investigations across distributed services, multi-region systems, and large-scale production environments
Analyze latency, throughput, saturation, concurrency, and failure modes across data and control planes
Partner with platform and infrastructure teams to optimize runtime behavior, networking efficiency, container orchestration, and resource utilization
Define performance standards, benchmarking strategies, and system-level expectations across engineering organizations
Influence architectural and technical decisions that improve scalability, resiliency, and operational efficiency
Design and evolve AI-assisted performance workflows that enable scalable, repeatable performance validation across systems and teams
Develop scalable and cost-efficient performance testing frameworks that accurately model real-world customer workloads
Mentor engineers and raise the technical bar through collaboration, coaching, and engineering leadership
Drive a culture of ownership, transparency, continuous learning, and operational excellence

What we look for

8+ years of software engineering experience with deep expertise in distributed systems and large-scale infrastructure
Strong understanding of networking, concurrency, caching, replication, data structures, and scaling patterns
Proven track record of identifying and resolving performance bottlenecks in complex production environments
Experience designing and executing performance testing strategies for highly distributed systems
Expertise with observability, profiling, tracing, benchmarking, and performance analysis tools
Strong systems-level thinking with the ability to balance reliability, scalability, and cost efficiency
Ability to influence technical direction across teams without direct authority
Excellent communication and collaboration skills in highly cross-functional environments
Willingness to learn and adopt cutting-edge technologies and AI-assisted engineering workflows
An aptitude for solving ambiguous and highly complex technical challenges
Serious interest in having fun at work

Bonus

Experience optimizing cloud-native platforms running on Kubernetes or similar container orchestration systems
Familiarity with performance engineering in financial technology or highly regulated industries
Experience building AI-assisted engineering workflows or agent-driven validation systems
Background working with multi-region architectures and globally distributed services

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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staff software engineer, ruby on rails jobs in county dublin

Senior Staff Performance Engineer

Staff Engineer (Machine Learning)

Lead Software Engineer

IT Support Engineer - Level 2

Staff AI Designer

Software Engineer Manager

Applied AI Architect (Startups)

Senior Software Engineer, Inference

Project Engineering Management, Sr Staff Engineer

Staff Engineer

Lead Software Engineer (Python, Node.js, AWS, AI/ML)

Software Developer

Staff Security Software Engineer

Senior Staff Engineer

Staff Engineer

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Staff Site Reliability Engineer

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