The Helix Software Engineer will manage the ISAM Helix Trading System, improve trade execution, onboard new brokers, and enhance system architecture while supporting production.
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.
iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading venues globally. The firm offers full-service prime brokerage and execution via its cutting-edge proprietary technology, as well as market leading analytics, cleared through the group’s bank Prime Brokers.
iSAM Funds is an alternative asset manager specialising in systematic investing. Each strategy is unique, provides a specialist quantitative approach and is designed to deliver highly diversifying absolute returns for institutional portfolios.
About the Role:
We are looking for a talented and hands-on Java developer with experience in financial trading and execution systems, ideally within the equities space, to join the Helix Technology team.
Responsibilities:
- Manage and deliver the roadmap for the ISAM Helix Trading System, with a primary focus on trade execution and integration with middle- and back-office systems,
- Work closely with brokers to continuously improve algorithmic execution, incorporating feedback from the Execution Research team and coordinating A/B testing where required.
- Support the onboarding of new execution brokers and implement approved execution improvements.
- Facilitate changes related to prime brokers or trading accounts.
- Generate, maintain, and enhance Transaction Cost Analysis (TCA) reports.
- Contribute to the architectural evolution of the Helix technology platform.
- Provide ongoing maintenance and support for the Helix trading system.
- Participate in the production support rota following appropriate training.
Qualifications:
- Strong development experience in Java (Python experience is a plus).
- Minimum 5 years of relevant software development experience.
- Prior exposure to execution systems within a bank, hedge fund, or financial services firm.
- Experience in equities trading or related markets is highly desirable.
- Degree in a STEM discipline (e.g., Mathematics, Physics, Statistics, Computer Science).
- Proven ability as a hands-on software engineer.
Personal Attributes:
- Strong communication and interpersonal skills.
- Highly analytical with excellent attention to detail.
- Proactive, self-driven, and able to work collaboratively within a team environment.
Key Outcomes:
- Take full ownership of multiple critical components within the Helix trading system, ensuring stability, scalability, and continuous improvement.
- Deliver on the roadmap for the ISAM Helix Trading and Execution platform.
- Produce clean, well-documented, and testable code, adhering to software engineering best practices.
- Continuously refine systems through performance optimisation, technical debt reduction, and automation initiatives.
- Participate in the support rota, providing expertise and guidance on execution-related production issues.
- Proactive, self-driven, and able to work collaboratively within a team environment.
iSAM London, England Office
London, United Kingdom
Similar Jobs
Fintech • Financial Services
Designs, calibrates, operates, and improves FX execution algorithms across a segregated electronic trading desk. Responsibilities include algorithm parameter tuning, transaction cost analysis, production troubleshooting, venue and liquidity-provider onboarding, client integration, UAT, market-structure research, vendor due diligence, and compliance with best-execution, information-barrier, FCA/PRA, and FX Global Code requirements. The role partners with quantitative, product, technology, sales, and trading teams in a global 24-hour environment.
Top Skills:
Multi-Dealer Trading PlatformsOmsPythonSQLTransaction Cost Analysis
.png){kind=logo}
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Supports technical management and engineering delivery for themed attraction scenic systems. Assists with calculations, design, drafting, specifications, vendor reviews, bidding, manufacturing, testing, shipping, installation, commissioning, and acceptance activities. Reviews technical documents, test plans, and results while supporting budget, schedule, and environmental health and safety responsibilities.
Top Skills:
Artificial FoliageEnvironmental Health And SafetyRide And Show SystemsScenic EngineeringTechnical DraftingThemed Concrete And Plaster
Cloud • Information Technology • Productivity • Security • Software • App development • Automation
Lead the design, development, deployment, and continuous improvement of AI/ML solutions for enterprise customers. Build integrations using Python or JavaScript, APIs, microservices, and enterprise systems; analyze data; automate workflows; address AI risk, privacy, and compliance; and align technical solutions with business goals. Mentor engineers and communicate effectively with technical and non-technical stakeholders in complex, ambiguous environments.
Top Skills:
Agent-Based FrameworksAPIsArtificial IntelligenceAtlassian IntelligenceGdprGenerative AiJavaScriptLarge Language ModelsMachine LearningMicroservicesPythonRovo Ai
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.
