ICAP
Principal Engineer

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Group Overview
The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data solutions. The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award-winning all-to-all trading platform.
Founded in London in 1866, the Group operates from more than 60 offices in 27 countries. We are 5,200 people strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.
Role Overview
The Principal Engineer will provide technical leadership across development teams, setting engineering standards and driving best practices. This role combines hands-on development with strategic oversight, ensuring delivery of high-quality, innovative software solutions. The Principal Engineer will be passionate about software development, comfortable working in agile teams, and committed to fostering transparent communication, mentoring team members, and maintaining a culture of continuous improvement.
Role Responsibilities
- Act as a technical leader and hands-on developer within the team.
- Design, develop, and oversee complex full-stack systems and enhancements.
- Provide technical oversight for architecture, design, and implementation decisions.
- Collaborate with stakeholders to align technical solutions with business objectives.
- Drive adherence to SDLC processes, planning, and prioritization.
- Guide estimation and scope definition for projects leveraging prior experience.
- Champion target state architecture and lead refactoring initiatives.
- Mentor and coach engineers, fostering technical growth and career development.
- Ensure code quality through reviews and automated testing practices.
- Identify tools and methodologies to improve development efficiency.
- Manage risks and escalate issues promptly to stakeholders.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
See breakdownIt searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Experience / Competences
Essential
- Degree or equivalent industry experience.
- Proven experience in technical leadership within software delivery teams.
- Strong hands-on experience in backend development with Java
- Proficiency in related backend frameworks/technologies (Spring, Postgres DB, Redis).
- Experience with microservices architecture and AWS cloud platforms
- Knowledge of CI/CD pipelines and DevOps practices.
- Familiarity with automated testing frameworks and quality assurance principles.
- Strong understanding of SDLC and agile methodologies.
- Excellent communication and stakeholder management skills.
Desired
- Experience with containerization (Docker/Kubernetes)
- Frontend experience with Typescript/React
- Experience using python for support tooling and scripts
- Experience effectively integrating AI tooling into development processes
- Knowledge of architectural patterns (e.g., Actor pattern, Domain-Driven Design).
- Exposure to observability tools and performance monitoring.
- Familiarity with GraphQL and event-driven architectures.
- Strong analytical and problem-solving skills.
- Ability to influence technical direction and drive innovation.
- Domain knowledge of MIFID II or similar financial regulations.
Role Band & Level
Manager, 7
#LI-Hybrid
#LI-MID
#NIJobs
Not The Perfect Fit?
Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn't align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organisation. Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution. Don't hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.
Company Statement
We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That's why we're building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.


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Location
UK - City Quays - Belfast
Connecting clients, communities and colleagues for sustainable growth
TP ICAP connects people, platforms, ideas, and insight across the world’s financial, energy and commodities markets. As a global leader in market infrastructure and data-led solutions, we enhance market access, increase efficiencies, and unlock possibilities.
Work with us
Joining TP ICAP puts you at the heart of markets that matter. You’ll have the freedom to innovate and act on your initiative. We’ll train you and build your abilities in your specialist area, so that you can become an expert in your field. And all within a connected network that’s there to set you up for success.
More about us
TP ICAP Group is a collection of premium brands each with a distinct, client-focused offering. Underpinning and connecting these client-facing brands is the financial security, operational strength and know-how we have as a Group.
Connections are at the heart of what we do. We combine our people’s know-how with the latest technology to improve price discovery, trade execution and liquidity flow.
Connections create strength. Through them, we help our clients to manage risk, realise investment strategies and expand the scope for growth.
And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people.
Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond to change, whatever direction the world takes. It’s what makes TP ICAP a mainstay in the global markets, now and in the future.
TP ICAP. We connect.
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