Job Description

ION Platform Specialist – Trading & Risk Systems (Dev / Support / BA) Join MARGO in the UK (London) – Perm & Contracting Opportunities
MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry.We specialise in complex trading and risk environments built around critical platforms where reliability, workflow consistency and business interaction are key. Our consultants work close to Front Office, Risk and Operations teams on systems that are central to trading activity and decision-making.Joining MARGO means working on niche, high-impact platforms, while benefiting from a human-sized structure, close follow-up and tailored career paths.
Business Context
You will work within trading, risk or post-trade technology environments built around ION platforms.These platforms support end-to-end workflows including:·        trade capture and lifecycle management·        risk and valuation processes·        operational and regulatory flows·        integration with upstream and downstream systemsThe role involves close interaction with business users and strong ownership of platform behaviour in production environments.

We are looking for ION Platform Specialists to work on production-critical trading and risk platforms.This role is intentionally open and may suit profiles with a background in:·        development·        application or production support·        business analysis·        or hybrid roles combining several of these aspectsWhat matters most is strong ION platform expertise, production awareness and the ability to work effectively with business stakeholders.
Key Responsibilities
Platform Ownership & Production·        Work on ION platforms supporting trading and risk activities·        Ensure platform stability, data integrity and workflow consistency·        Investigate and resolve production incidents·        Act as a key point of contact between technology and business users·        Participate in platform upgrades and release activities
Configuration, Development & Integration·        Configure and customise ION modules and workflows·        Develop or enhance scripts, integrations and platform components·        Work on interfaces with surrounding systems and data sources·        Contribute to performance tuning and platform optimisation
Business Interaction & Analysis·        Work closely with Front Office, Risk or Operations users·        Understand business processes and translate them into platform solutions·        Participate in requirements analysis, testing and delivery·        Support users during change and onboarding phases
Technical Environment
Core Technologies·        ION platforms·        SQL / relational databases·        Scripting and automation·        Linux / UNIX environments
Valued Technical Exposure·        Trading, risk or post-trade systems·        Market data or valuation flows·        Integration architectures·        Development experience (any language)
Required Experience & Skills
Essential·        Hands-on experience with ION platforms·        Experience working on production-critical systems·        Strong understanding of trading or risk workflows·        Ability to interact confidently with business users·        Strong analytical and problem-solving skills·        Ownership and production mindset
Valued (but not restrictive)·        Development background·        Application support or FO support experience·        Business analysis experience in trading or risk environments·        Exposure to Front Office or Risk teams
Why Join MARGO
·        Access to niche ION trading and risk platforms·        High-impact roles close to business activity·        Flexibility across dev, support and BA-type assignments·        Strong focus on platform expertise rather than job titles·        Human-sized consultancy with close support and long-term career focus Please note - We do not offer visa sponsorship for this position.
Interested? Motivated? Apply on our website or at staff.uk@margo.com

About MARGO

More than a simple IT consulting group, MARGO is an alchemy of talents with constantly enriched expertise, always encouraged to be dynamic and to flourish.

For more than 17 years, we have been carrying out missions of the highest technical complexity, enabling the digital acceleration of our clients, while ensuring a perpetual intellectual and collective stimulation for all our talents.

At MARGO it's Consultant First.

By joining MARGO, your talent today will remain relevant tomorrow. We bring you into the group not only for what you are today but for the potential you wish to develop.

At MARGO, you will be able to build your own path to excellence within our teams and our missions. Tailor-made to serve your ambition and to match your talent.

Today, Margo has over 400 employees in 8 entities:

► MARGO Trading Systems: our full stack development offer in market finance

► MARGO Capital Markets: our business offer in market finance

► MARGO Analytics: our expertise in data science and data engineering

► A CAPELLA Consulting: our business offer dedicated to insurance

► CODE BUSTERS: our community of developers

► DELIVERED by MARGO: our 100% remote full stack development entity

► MARGO UK: expertise in complex coding and application support on the English market.

► MARGO Poland: expertise in complex coding in retail Banking on the Polish market.

Industry

IT & Software

Company Size

201-500 employees

Headquarters

Courbevoie, FR

Year Founded

2005

Website

margo.com

Social Media