{"id":2813352,"url":"https://alion.io/job/london-stock-exchange-group-senior-quant-risk-developer","title":"Senior Quant Risk Developer","company":{"id":5734,"name":"London Stock Exchange Group","domain":"lseg.com","url":"https://alion.io/company/lseg","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":157,"ghost_share":0,"stale_share":0.987,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bucharest, Romania"],"countries":["RO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":35000,"max_usd":91000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2491},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Java","optional":false}],"status":"live","first_seen_at":"2026-09-18T00:00:00Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-10-21T20:41:51Z","board_verified":true,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"Part of the London Stock Exchange Group (LSEG), LCH is a leading clearing house, serving major international exchanges and platforms, as well as a range of OTC markets. In particular, LCH is a leading CCP in Repurchase agreement (Repo) businesses, providing clearing services for most European Government debts (refinancing/repo transactions).).\nLCH works closely with market participants to identify and develop innovative clearing solutions.\nA sound and efficient margin algorithm is essential in both meeting the risk standards of the company and making the service appealing from a trading perspective.\nThe Repo Risk platform (MLM) is a common platform shared between different Business Lines.\nEach Business Line has its own delivery team. A centralised architecture and integration team defines technical guidelines and guaranties harmonious integration of the developments performed by each Business Lines dev teams.\nBased in London, the RepoClear SA Risk IT team works directly with and under the direction of the Product Owner team based in Paris and also in close relation with the centralised architecture teams.\nAs part of the RepoClear Business lines, the Business “Risk IT” team is accountable for:\nDesigning and Building Risk IT systems\n\nAutomating continuous development / continuous integration of First line Risk IT framework\n\nImplementing software applications for First Line Risk IT systems\n\nImplementing margin algorithms (Pricing models, risk models and parameter calibration) in a standard consistent with EMIR regulation and LCH internal policies\n\nTesting the system\n\nWriting business requirement for IT teams\n\nDevelop and implement quantitative solutions\n\nProto-typing and testing (UAT)\n\nThe RepoClear SA business Line is responsible for the design and maintenance of the MLM platform and is looking to onboard a senior quant risk developer to help in maintaining the Margin Liability and Investment Risk frameworks.\nKey Responsibilities\nDesign and development of the backend engine for Risk IT and clearing\n\nFull cycle of testing from the theoretical model to production\n\nImplementation of Market Data and Risk related projects\n\nGathering of business requirements and agreeing between IT, App Support teams, businesses teams in RCL and Exchanges.\n\nAnalysis and implementation of performance improvements to the existing risk models across different products\n\nMaintenance and support of the existing risk libraries and risk simulators\n\nProvide 3rd line support for Risk Applications\n\nWorking experience\nBackground in counterparty or market risk, including a strong grasp of risk calculation methodologies..\n\nProven track record in implementing and maintaining stress and Value-at-Risk (VaR) models\n\nEducation\nDegree in a numerate discipline\n\nIT Skills\n7+ years of experience in the software development\n\nStrong programming skills: Java 21, Spring, REST\n\nExperience in risk or a quantitative role.\n\nExperience in delivering IT solutions from the design to production\n\nSound conceptual / technical knowledge of modern IT infrastructure stack\n\nSoft Skills\nAble to work Independently, problem solving skills\n\nEffective communication skills (written and oral).\n\nAbility to work with team delivery environment.\n\nCareer Stage:\nSenior AssociateLondon Stock Exchange Group (LSEG) Information:\nJoin us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.\nLSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.\nOur purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.\nWorking with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.\nWe are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.\nYou will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.\nLSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.\nPlease take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.\nIf you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.","description_format":"text","description_chars":5815,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Paid volunteering days","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Providers & Datasets","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-18T11:08:33Z"}],"visa":[],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.38,"p_room":0.35,"age_days":33,"expected_fill_days":13,"reasons":["conf:0","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/london-stock-exchange-group-senior-quant-risk-developer","json_url":"https://alion.io/job/london-stock-exchange-group-senior-quant-risk-developer.json","meta":{"generated_at":"2026-10-21T20:51:02Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":29707,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5734},"rest":"https://alion.io/mcp/rest/get_company?id=5734"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flondon-stock-exchange-group-senior-quant-risk-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flondon-stock-exchange-group-senior-quant-risk-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flondon-stock-exchange-group-senior-quant-risk-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/london-stock-exchange-group-senior-quant-risk-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondon-stock-exchange-group-senior-quant-risk-developer"}]}