{"id":2010597,"url":"https://alion.io/job/londonstockexchange-senior-software-engineer-real-time","title":"Senior Software Engineer (Real-Time)","company":{"id":44904,"name":"London Stock Exchange","domain":"londonstockexchange.com","url":"https://alion.io/company/londonstockexchange","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"B","score":77,"open_postings":15,"ghost_share":0,"stale_share":0.933,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Backend","role_family":"Backend","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":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":92000,"max_usd":179000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"GitOps","optional":false},{"name":"Kubernetes","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-09-19T00:14:25Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-11-03T18:30:40Z","board_verified":true,"closed_at":null,"days_open":45,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":45},"description":"Join LSEG's Real-Time Engineering organization as a Senior Software Engineer. In this role, you will work on a global low-latency market data platform, building APIs, telemetry pipelines, and synthetic monitoring services. You will collaborate with experienced engineers to develop production software, measure performance, and enable observability of a globally distributed platform. This is a hands-on development role for an engineer at an early stage of their career who wants to gain experience in mission-critical distributed systems, observability, cloud-native engineering, and real-time financial technology.\nMissions\nContribuer au développement d'API, de pipelines de télémétrie et de services de surveillance synthétique pour mesurer la fiabilité et la rapidité des données de marché.\nParticiper à la construction et à l'amélioration de composants logiciels qui agrègent, corrèlent et présentent des données provenant de plus de 30 sites de distribution.\nCollaborer avec des équipes d'ingénierie pour ajouter et améliorer l'instrumentation au sein des applications dans différents environnements.\nProfil recherché\n - A good understanding of core software engineering concepts and an interest in building reliable, maintainable applications- Familiarity with APIs, Git and modern software development practices\n- A willingness to learn unfamiliar technologies and develop knowledge of complex systems\n- An interest in one or more of the following areas: market data, observability, distributed systems, telemetry, data pipelines, real-time systems, performance engineering or cloud-native technology\n- Hands-on software engineering experience, gained through employment, a graduate role, or open-source contribution\n- Ability to write and explain software in a performance-oriented languages such as Go, modern C++ or Rust\n- Demonstrated analytical and problem-solving ability in complex engineering or academic domain\n- Good communication and collaboration skills, with the ability to work effectively with engineers across different teams\n- Metrics, logging, distributed tracing or observability platforms\n- Financial markets, market data or other real-time or latency-sensitive systems\n- OpenTelemetry SDKs, collectors or telemetry standards\n- Kubernetes, containers or cloud platforms\n- CI/CD, GitOps or configuration-as-code approaches\n- Data-processing, event-streaming or telemetry-pipeline technologies\n- Synthetic monitoring, automated testing, probes or distributed 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