Principle Engineer

Posted 5 Days Ago
Be an Early Applicant
2 Locations
In-Office
Expert/Leader
Fintech • Payments • Financial Services
The Role
Design, develop, test, deploy, and maintain complex software, scripts, and tools across the full lifecycle. Lead Avaloq customization and development, particularly the STEX securities-trading component, order and trade lifecycle, settlement, reconciliation, and investment-dealing migration activities. Own complex workstreams, coordinate with engineers, architects, testers, and business users, establish engineering standards, mentor colleagues, and provide post-go-live support.
Summary Generated by Built In

Join us as a Principle Engineer


  • This is an opportunity for a technically minded individual to join us as a Software Engineer
  • You’ll be designing, producing, testing and implementing working software, working across the lifecycle of the system
  • Hone your existing software engineering skills and advance your career in this critical role
  • You’ll work from home some of the time, but you’ll also spend at least twice a week working from our London or Bristol office

What you'll do

In your new role, you'll engineer and maintain innovative, customer centric, high performance, secure and robust solutions. You'll be working within a feature team and using your extensive experience to engineer software, scripts and tools that are often complex, as well as liaising with other engineers, architects and business analysts across the platform.


You’ll also be:


  • Producing complex and critical software rapidly and of high quality which adds value to the business
  • Working in permanent teams who are responsible for the full life cycle, from initial development, through enhancement and maintenance to replacement or decommissioning
  • Collaborating to optimise our software engineering capability
  • Designing, producing, testing and implementing our working code
  • Working across the life cycle, from requirements analysis and design, through coding to testing, deployment and operations

The skills you'll need

You'll need a strong background in software engineering, software design and architecture, with the seniority to own a complex workstream end to end and set the engineering standard for others. You'll bring experience of hands-on Avaloq scripting and parameterisation, including Report Writer, Workflows (WFC/WFA), Order Validations, Migration Scripts, Interface Definitions and related modules.


This is a hands-on build role, you'll be doing the Avaloq customisation and development yourself, alongside the wider project team, not only designing or overseeing it.


You'll also need deep experience of the Avaloq securities-trading (STEX) component and the securities trade lifecycle within a Core Banking or Wealth Management environment, supporting our investment-dealing capability as part of a major migration programme.


Additionally, you’ll demonstrate:


  • Hands-on expertise in Avaloq STEX, order lifecycle, business-unit setup and order piping (nostro or vostro containers, SWIFT messaging and message-delivery rules, pooling and placement)
  • Experience across the full trade lifecycle including order generation, pooling, placement, execution via an OMS, settlement and reconciliation, with awareness of MiFID II and EMIR transaction reporting and best execution
  • A track record of leading delivery, owning a workstream autonomously, coordinating with testers, business users and architects, mentoring engineers and providing post-go-live support
  • Warehousing or bulk-rebalance trading, OMGEO, CTM settlement matching and T+1, FIX connectivity, corporate actions, FX, fund dealing, and the Avaloq integration spine would be desirable

Hours

35

Job Posting Closing Date:

12/11/2026

Ways of Working:Hybrid

Skills Required

  • Strong background in software engineering, software design, and architecture
  • Experience owning a complex engineering workstream end to end
  • Hands-on Avaloq scripting and parameterisation experience
  • Experience with Avaloq Report Writer, WFC/WFA Workflows, Order Validations, Migration Scripts, Interface Definitions, and related modules
  • Hands-on Avaloq customization and development experience
  • Deep experience with the Avaloq securities-trading STEX component
  • Experience with the securities trade lifecycle in a Core Banking or Wealth Management environment
  • Experience with order lifecycle, business-unit setup, order piping, nostro and vostro containers, SWIFT messaging, and message-delivery rules
  • Experience across order generation, pooling, placement, OMS execution, settlement, and reconciliation
  • Awareness of MiFID II and EMIR transaction reporting and best execution
  • Track record of leading delivery and coordinating with testers, business users, and architects
  • Experience mentoring engineers and providing post-go-live support
  • Experience with warehousing or bulk-rebalance trading, OMGEO, CTM settlement matching, T+1, FIX connectivity, corporate actions, FX, fund dealing, and the Avaloq integration spine

NatWest Group Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NatWest Group and has not been reviewed or approved by NatWest Group.

  • Flexible Benefits — A flexible ValueAccount structure with pension and benefit funding allows tailoring of health, protection, lifestyle, and savings options, with unused amounts typically paid as cash. This flexibility supports personalisation of coverage, particularly in Great Britain where the framework is most detailed.
  • Retirement Support — Employer-funded pension contributions are provided on top of salary in Great Britain, alongside automatic retirement enrollment and share/save programs. This creates structured long‑term wealth support as part of total reward.
  • Parental & Family Support — UK policies outline extended maternity, adoption and equal partner leave on full pay with a phased return, plus paid neonatal care leave. These provisions are positioned as market‑leading and complement broader flexibility resources.

NatWest Group Insights

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The Company
HQ: Edinburgh
40,000 Employees
Year Founded: 1970

What We Do

We’re a business that understands when our customers and people succeed, our communities succeed, and our economy thrives. As part of our purpose, we’re looking at how we can drive change for our communities in enterprise, learning and climate. As one of the leading supporters of UK business, we’re prioritising enterprise as a force of change. We’re focusing on the people and communities who have traditionally faced the highest barriers to entry and figuring out ways to remove these. Learning is also key to our continued growth as a company in an ever changing and increasingly digital world. By setting a dynamic and leading learning culture, our people prosper, and our customers are given the tools to continue to improve their financial capability and confidence. One of the biggest challenges we all face in our future is climate change. That’s why we’ve put it right at the core of our purpose. We want to champion climate solutions with financing and entrepreneurial support, fully embed climate into our culture and decision making, and be climate positive by 2025. We’re committed to using our purpose to break down barriers, drive change and ultimately create a great place to work.

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