Full-Stack Engineer - Typescript

TP ICAP; Belfast; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading financial services firm in Belfast is looking for a Full-Stack Engineer to shape the technical direction of its platforms. This role involves owning the delivery of complex features, acting as a technical leader, and collaborating across disciplines. The ideal candidate should have extensive experience in front-end and back-end technologies, including HTML5, JavaScript, React, TypeScript, and cloud technologies. This position offers the opportunity to influence architecture and deliver solutions that scale globally, providing a dynamic work environment.

Qualifications

• 5+ years of industry experience in full-stack engineering.
• Proficient in front-end and back-end technologies including TypeScript.
• Experience with microservices architecture and cloud platforms.

Responsibilities

• Own end-to-end delivery of complex features and services.
• Act as a technical leader and mentor peers.
• Drive system evolution toward target-state architecture.

Skills

HTML5, CSS3, modern JavaScript (ES6+)

React, Redux, React Query, GraphQL

Responsive design

SQL

API development (REST and GraphQL)

AWS ecosystem

CI/CD pipelines

Agile methodologies

Proficient with Git

Education

STEM degree

Tools

JIRA

Terraform

Linux shell scripting

Windows PowerShell

Job description

Role Overview

We are looking for a Full-Stack Engineer who will play a pivotal role in shaping the technical direction of our platforms and driving engineering excellence across the organization. This is not just a coding role—it’s an opportunity to influence architecture, improve development practices, and deliver solutions that scale globally.

As a senior engineer, you will :

• Own end-to-end delivery of complex features and services, ensuring they meet performance, security, and reliability standards.
• Act as a technical leader, guiding design decisions, mentoring peers, and fostering a culture of continuous improvement.
• Bridge the gap between business and technology, translating requirements into robust solutions while challenging assumptions to deliver optimal outcomes.
• Champion best practices in software engineering, from clean code and automated testing to modern DevOps and cloud-native approaches.
• Collaborate across teams and disciplines, engaging with product owners, architects, and stakeholders to align technical solutions with strategic goals.
• Drive innovation, leveraging emerging technologies and frameworks to evolve our systems toward a target-state architecture that supports future growth.

This role offers the chance to work on high-impact projects in a dynamic environment where technology underpins critical business operations. You’ll have the autonomy to shape solutions, the support to grow your expertise, and the platform to make a tangible difference.

Key Responsibilities

• Champion engineering improvements and clearly articulate design principles to peers and the wider organization.
• Promote and support adherence to a well-defined Software Development Lifecycle (SDLC) that enables effective planning, prioritization, and delivery.
• Lead estimation discussions by leveraging experience, challenging assumptions, and fostering innovative solutions.
• Facilitate conversations on software systems and architecture to guide meaningful technical decisions.
• Drive system evolution toward target-state architecture through strategic refactoring and prioritized delivery.

Experience / Competencies

Frontend Development

• Proficient in HTML5, CSS3, and modern JavaScript (ES6+), including TypeScript.
• Strong experience with the React ecosystem : React, Redux, React Query, and GraphQL.
• Skilled in responsive design, cross-browser compatibility, and CSS frameworks such as Tailwind CSS.
• Familiarity with RESTful API integration and version control using Git.

Backend Development

• Demonstrated experience in full-stack engineering with TypeScript.
• Proficient in SQL and API development using REST and GraphQL.
• Hands-on experience with microservices architecture, containerization, and event-driven systems using Pub / Sub technologies (e.g., RabbitMQ, SOLACE, AMQP).
• Comfortable with scripting in Linux shell and Windows PowerShell.

Cloud & DevOps

• Practical experience with the AWS ecosystem and AWS CLI (or equivalent).
• Skilled in CI / CD pipelines and infrastructure as code using Terraform.
• Committed to maintaining code quality through unit, integration, and end-to-end testing.

Software Engineering Practices

• Deep understanding of the full SDLC within Agile, cross-functional teams.
• Proven track record of delivering reusable services across multiple projects.
• Strong grasp of SOLID principles and software design patterns.
• Experience building well-tested software for low-latency, production-grade environments.

Tooling & Collaboration

• Proficient with Agile project management tools such as JIRA.
• Skilled in automated testing and continuous integration workflows.

Soft Skills & Mindset

• STEM degree with 5+ years of industry experience.
• Highly organized, detail-oriented, and proactive.
• Strong analytical and problem-solving skills with an innovative mindset.
• Effective communicator who adapts to diverse audiences and collaborates constructively with BAs, POs, and engineers.
• Demonstrates integrity, professionalism, and enthusiasm for continuous improvement.

Desired

• Experience with regulatory-driven projects.
• Knowledge of financial markets, systems, and OTC products.
• Familiarity with technical platform teams and regulatory compliance.
• Contributions to open-source projects and proficiency in scripting languages (e.g., Python, Perl, Ruby) for workflow automation.

Band & Level

Manager / 6