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Location
In office (London)
Seniority
Senior · 6+ years exp
Visa
Sponsors visas in Ireland; no register of this country names it
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 9, 2026.

Overview
Company
Impact
Profile match
Test Triangle is a Dublin-headquartered technology services company providing IT service management consulting as an Atlassian, ServiceNow and Freshworks partner, along with software testing, cloud, digital transformation and recruitment outsourcing services. Operating since 2012 from Blanchardstown Corporate Park, it serves organisations across Ireland, the UK and further afield and supplies contract and permanent specialists to client organisations such as UK banks. Its postings are mainly client placements for data analysts, DevOps and platform engineers, cyber security specialists, solution architects, project managers and mobile developers in Dublin, London and other cities.

Full Stack Developer

LONDON 3 Days

Mandatory Skills:

Front end

React JS or Typescript or Java

script

Back-end

Any Backend Experience - PHP or Node JS or Python or Java

Spring boot, Microservices

Rest API or Graphql

Min 3 to 4 Yrs

Database

SQL / MySql / NoSQL - Min 5 yrs

HTML, CSS

Min 6 yrs

AWS / Azure

Min 3 to 5

Our clients are Fortune 100 technology companies, providing

platforms that help connect people around the world. They share a core value of

scaling their businesses by putting people first, and our team is dedicated to

advancing this mission by focusing on customer needs above all else.

About you:

  • Familiar with end-to-end Customer/IT support

processes

  • Adjusts easily to new or changing circumstances.
  • A collaborative utility player mentality (low ego) with a

proactive sense of curiosity

  • Focuses on achieving results that promote business

success.

  • Demonstrate proactive and professional communication

skills with all stakeholders and

partners

  • Maintain a professional, adaptable, and respectful

manner

  • Provide high quality service to all users
  • Proactive in learning new technologies

Responsibilities:

  • Own product architecture and collaborate with product

managers, designers, and other

engineers to set the technical direction and create software

that optimizes for business

metrics

  • Communicate technology and product strategy effectively to

both internal and external

stakeholders and leadership

  • Build industry leading enterprise systems that are highly

available, intuitive, scalable,

and secure

  • Produce highly reliable and performant code with

appropriate monitoring and alerting

  • Conduct design and code reviews to ensure scalability,

performance and alignment with

standards and best practices

  • Analyze and improve efficiency, scalability, and stability

of various system resources

  • Managing requirement expectations with stakeholders to

ensure alignment and

satisfaction.

  • Ability to debug and monitor logs to identify and resolve

issues efficiently.

  • Utilizing logging tools and techniques to troubleshoot

complex problems

  • Participating in project planning and estimation to ensure

realistic timelines and

deliverables

  • Breaking down large projects into smaller, manageable

tasks and milestones

  • Participating in project planning and estimation to ensure

realistic timelines and

deliverables.

  • Breaking down large projects into smaller, manageable

tasks and milestones.

  • Providing L3 support for existing products, including

troubleshooting and resolving

complex issues.

  • Refactoring code to improve performance, scalability, and

maintainability.

  • Implementing new features and functionality as per project

requirements

  • Creating and maintaining technical documentation for

software applications and

systems.

  • Ensuring that documentation is up-to-date, accurate, and

easily accessible.

  • Conducting context studies for different products and

tools to gain a deeper

understanding of their functionality and requirements.

Your Expertise:

  • Bachelor’s Degree preferred, or equivalent combination of

education, training, and

experience.

  • Good years of professional experience of Full Stack

development which includes

experience in front-end development, backend system

architecture design, database

design management and integration of service.

  • Required experience in any of the following Frontend

Frameworks: ReactJS, React Native

  • Required experience in any following programming

languages: PHP, Hack lang,

JavaScript, Python, Java, C#

  • Experience in No SQL/SQL, Object-Relational Mapping (ORM)

Experience, Database

design.

  • 3+ years of professional experience working with code

bases building micro services, REST APIs,

Graph QL required.

  • Experience in Asynchronous/Parallel Service

Development

  • Preferred Experience with Cloud Services e.g.

AWS/Azure

  • Log Monitoring in Distributed system
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