Find Junior computer science Jobs in Dublin, D

Senior Backend Engineer
National Facilities Direct Corp —Dublin, County Dublin
- €55,000–€85,000 a year
- Full-time
- Remote
- Computer Science
- Java
- Master's degree
- Work from home
Quick apply
3d
Business Intelligence Lead (Construction)
WiiGroup —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- SQL
Quick apply
3d
Senior Electrical Estimator
Mercury Engineering —Dublin, County Dublin
- No degree
- Communication skills
- Time management
Sr. SDE, Distributed Databases
eBay Inc. —Dublin, County Dublin
- Full-time
- Computer science
- Computer Science
- Master's degree
UKI Technology Consulting - HCM Lead-Oracle Fusion
EY —DUBLIN 2, County Dublin
- Hybrid work
- Oracle
- Computer Science
- Master's degree
- Gym membership
Full-time Staff Nurse - Day Ward - UPMC Sports Surgery Clinic, Dublin
UPMC —Santry, County Dublin
- €39,101–€59,074 a year
- Clinic
- Communication skills
10d
Senior Application Security Engineer
SoftCo —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Computer Science
Quick apply
Microsoft Dynamics CRM Programme/Project Manager | Senior Manager | Technology Consulting | Advisory
PwC —Dublin, County Dublin
- Full-time
- ERP systems
- Bachelor's degree
Workday HCM Programme/Project Manager | Senior Manager | Technology Consulting | Advisory
PwC —Dublin, County Dublin
- Full-time
- Bachelor's degree
Senior Electrical Engineer
IPS-Integrated Project Services —DUBLIN 12, County Dublin
- Full-time
- AutoCAD
- Engineering
- Bachelor's degree
14d
Senior Firmware Engineer I (FPGA)
Microchip Technology —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- Project management
AI & Data - Data Solution Architect - Senior Manager
EY —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Data analysis skills
- Gym membership
FS Technology Consulting - AI and Data - Data Architect - Manager - Dublin
EY —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Master's degree
- Gym membership
Senior Manager - Tax (R&D) - Dublin
PwC —Dublin, County Dublin
- Full-time
- Computer Science
- Engineering
- Mentoring
ICU; Senior Enhanced Nurse & Clinical Nurse Manager Positions
Beacon Hospital —Dublin, County Dublin
- Full-time
- Nursing
- Management
- Presentation skills
Quick apply

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Senior Backend Engineer

National Facilities Direct Corp -
Dublin, County Dublin

Quick apply

Job details

Permanent | Full-time
€55,000–€85,000 a year
3 days ago

Benefits

Work from home

Qualifications

CI/CD
Node.js
Computer Science
React
Java
Master's degree
AWS
Bachelor's degree
PostgreSQL
REST
Agile
S3
SaaS
AI
Leadership
TypeScript
Communication skills
Debugging
AWS Lambda

Full job description

Job Description: Backend Engineer

Location: Remote

Company: ONEngine.ai

Reports To: Backend Lead Engineer

Salary: Competitive, commensurate with experience

Position Overview

We are seeking an accomplished Senior Backend Engineer to drive the development of our enterprise-grade, multi-tenant SaaS platform. You will be responsible for designing and implementing complex backend features, contributing to architectural decisions, and ensuring code quality and scalability across the platform. Working collaboratively with product, frontend, and infrastructure teams, you will serve as a technical expert and mentor to other developers while championing best practices in modern serverless backend development.

Key Responsibilities

Design and develop sophisticated backend features using Node.js 20+ and TypeScript with advanced patterns and performance optimization
Build and maintain scalable multi-tenant backend architectures with proper tenant isolation, data security, and compliance measures
Architect modular, maintainable services following SOLID principles and enterprise design patterns
Design and implement complex database schemas and queries using Prisma ORM and PostgreSQL, ensuring optimal performance
Design and implement RESTful APIs consumed by React frontends, ensuring data integrity, security, and exceptional developer experience
Build serverless applications using AWS Lambda, API Gateway, SQS, EventBridge, and other AWS services
Implement authentication and authorization flows (JWT, OAuth) with proper security measures
Implement audit logging systems and compliance requirements for enterprise clients
Perform advanced debugging, write comprehensive tests, and optimize application performance
Mentor junior and mid-level engineers through code reviews, pair programming, and knowledge sharing
Participate in architectural discussions and provide technical recommendations to the Lead Engineer and CTO
Collaborate cross-functionally to translate complex requirements into elegant, scalable technical solutions
Contribute to migration efforts from legacy Java systems to modern Node.js/TypeScript architecture
Stay current with backend technology trends and evaluate new tools and frameworks for team adoption

Ideal Candidate Profile

Education: Bachelor's or Master's degree in Computer Science, Engineering, or related field

Experience: - 4-6 years of professional backend development experience with strong focus on Node.js and TypeScript

- 2+ years building production APIs with TypeScript and Node.js

- 2+ years hands-on experience with AWS Lambda and serverless architecture (Lambda, API Gateway, SQS, EventBridge)

- 2+ years building/operating multi-tenant SaaS systems with tenant isolation

- Proven track record of delivering complex features in enterprise or multi-tenant applications - Experience working in agile environments with cross-functional teams

- Demonstrated ability to mentor developers and contribute to technical leadership

Skills: - Expert-level proficiency in TypeScript and Node.js, including advanced patterns and performance optimization

- Strong hands-on experience with AWS Lambda and serverless technologies (API Gateway, SQS, EventBridge)

- Deep understanding of multi-tenant SaaS architecture including tenant isolation, data security, and scalability

- Advanced knowledge of PostgreSQL including complex queries, optimization, and schema design

- Extensive experience with Prisma ORM or similar ORMs for database interactions

- Strong experience designing scalable, well-documented RESTful APIs

- Solid experience with authentication flows (OAuth, JWT) and security best practices

- Experience with Express or similar Node.js frameworks

- Working knowledge of S3 and document/file management systems

- Strong testing methodology including unit, integration, and end-to-end testing

- Experience with CI/CD pipelines and backend deployment strategies

- Familiarity with message queues and event-driven architectures

- Experience with audit logging and compliance requirements is a plus

- React/frontend experience for full stack collaboration is a plus

- Experience with AI/ML API integrations is a plus

- Field service management or B2B SaaS background is a plus

- AWS certifications are a plus

- Excellent problem solving, communication, and collaboration skills

- Passion for code quality, performance, and system reliability

Tech Stack

TypeScript, Node.js 20+, AWS Lambda, API Gateway, SQS, EventBridge, PostgreSQL, Prisma ORM, Express, S3, React (frontend team

Job Types: Full-time, Permanent

Benefits:

Work from home

Please note that ONEngine is currently unable to provide visa sponsorship for this position. Candidates must be authorized to work in Ireland without sponsorship now or in the future.

Pay: €55,000.00-€85,000.00 per year

Benefits:

Work from home

Application question(s):

Are you an Irish citizen?

Experience:

TypeScript: 1 year (preferred)
Node.js: 1 year (preferred)
AWS Lambda: 1 year (preferred)
PostgreSQL: 1 year (preferred)
Prisma ORM: 1 year (preferred)
Express: 1 year (preferred)
S3: 1 year (preferred)
Eventbridge: 1 year (preferred)

Work Location: Hybrid remote in Dublin, County Dublin

Quick apply

Refine Your Search

junior computer science jobs in dublin, d

Senior Backend Engineer

Business Intelligence Lead (Construction)

Senior Electrical Estimator

Sr. SDE, Distributed Databases

UKI Technology Consulting - HCM Lead-Oracle Fusion

Full-time Staff Nurse - Day Ward - UPMC Sports Surgery Clinic, Dublin

Senior Application Security Engineer

Microsoft Dynamics CRM Programme/Project Manager | Senior Manager | Technology Consulting | Advisory

Workday HCM Programme/Project Manager | Senior Manager | Technology Consulting | Advisory

Senior Electrical Engineer

Senior Firmware Engineer I (FPGA)

AI & Data - Data Solution Architect - Senior Manager

FS Technology Consulting - AI and Data - Data Architect - Manager - Dublin

Senior Manager - Tax (R&D) - Dublin

ICU; Senior Enhanced Nurse & Clinical Nurse Manager Positions

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