{"id":2815561,"url":"https://alion.io/job/london-stock-exchange-group-software-engineer-real-time","title":"Software Engineer, Real-Time","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":76,"open_postings":159,"ghost_share":0,"stale_share":0.962,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["London, United Kingdom","Nottingham, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":165000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Rust","optional":false},{"name":"GitOps","optional":true},{"name":"Kubernetes","optional":true},{"name":"OpenTelemetry","optional":true}],"status":"live","first_seen_at":"2026-09-09T00:00:00Z","employer_posted_date":"2026-09-09","last_verified_at":"2026-11-02T04:31:26Z","board_verified":true,"closed_at":null,"days_open":54,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":54},"description":"ABOUT US:\nLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.\nLSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.\nOUR PEOPLE:\nPeople are at the heart of what we do and drive the success of our business. Our values of Integrity, Partnership, Excellence and Change shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.\nWe know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.\nROLE PROFILE:\nAs a Software Engineer in LSEG’s Real-Time Engineering organisation, you will work on a global low-latency market data platform that sends billions of price updates per-day around the globe. In this role, you will build APIs, telemetry pipelines and synthetic monitoring services that show how reliably and quickly market data reaches customers. You will work with experienced engineers to develop production software, measure performance and enable observability of a globally distributed platform. Prior market-data or observability experience is not required; we are looking for strong engineering fundamentals, curiosity and a willingness to learn.\nROLE SUMMARY:\nYou will work with experienced engineers to build the software and data stack that measures how our Real-Time application delivers data from hundreds of global exchanges to thousands of customers. You will help turn software signals and synthetic monitoring data into useful end-to-end insight across LSEG’s Real-Time platform.\nYou will contribute to software that brings together telemetry from individual applications and services, helping engineering and operations teams understand service health, performance and customer impact.\nThis is a hands-on development role for an engineer at an early stage of their career who wants to build experience in mission-critical distributed systems, observability, cloud-native engineering and real-time financial technology.\nWHAT YOU’LL BE DOING\nBuild and improve software components that aggregate, correlate and present data from over 30 global distribution sites.\nDevelop applications and data-processing logic that help identify performance issues, service degradation and hotspots across distributed systems.\nContribute to telemetry pipelines that ingest, transform and route metrics, logs and traces into a common observability layer.\nDeliver synthetic monitoring capabilities that measure the performance and experience of Real-Time services from locations around the world.\nDevelop APIs, automation and configuration used to manage observability services and capabilities.\nUse Git, CI/CD and configuration-as-code practices to deploy and maintain software and observability assets consistently across environments.\nWork with engineering squads to add and improve instrumentation within applications across Development, Test, PPE and Production environments.\nWork alongside expert engineers to learn modern approaches to observability, distributed systems, cloud-native software and real-time data platforms.\nContribute ideas and improvements as the Real-Time observability platform continues to evolve.\nWHAT YOU’LL BRING\nEssential\nHands-on software engineering experience, gained through employment, a graduate role, or open-source contribution.\nAbility to write and explain software in a performance-oriented languages such as Go, modern C++ or Rust.\nA good understanding of core software engineering concepts and an interest in building reliable, maintainable applications.\nFamiliarity with APIs, Git and modern software development practices.\nAn 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.\nDemonstrated analytical and problem-solving ability in complex engineering or academic domain.\nA willingness to learn unfamiliar technologies and develop knowledge of complex systems.\nGood communication and collaboration skills, with the ability to work effectively with engineers across different teams.\n3-6 years of experience\nDesirable\nYou do not need experience in all of the areas below. Exposure to any of them would be useful:\nFinancial markets, market data or other real-time or latency-sensitive systems.\nMetrics, logging, distributed tracing or observability platforms.\nOpenTelemetry SDKs, collectors or telemetry standards.\nKubernetes, containers or cloud platforms.\nData-processing, event-streaming or telemetry-pipeline technologies.\nCI/CD, GitOps or configuration-as-code approaches.\nSynthetic monitoring, automated testing, probes or distributed agents.\nWHAT YOU’LL GET IN RETURN\nThis role provides an opportunity to develop your engineering skills while working on technology operating at significant global scale. You will gain hands-on experience with distributed systems, cloud-native engineering and real-time financial data while working alongside experienced engineers who can support your development. You will apply that learning with the opportunity to work on systems that deliver financial information across global markets.\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":9433,"description_truncated":false,"requirements":{"experience_years_min":3,"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":[{"name":"China","iso":"CN","kind":"region"},{"name":"India","iso":"IN","kind":"region"},{"name":"Japan","iso":"JP","kind":"region"},{"name":"Australia","iso":"AU","kind":"region"},{"name":"Indonesia","iso":"ID","kind":"region"},{"name":"Malaysia","iso":"MY","kind":"region"},{"name":"New Zealand","iso":"NZ","kind":"region"},{"name":"Pakistan","iso":"PK","kind":"region"},{"name":"Philippines","iso":"PH","kind":"region"},{"name":"South Korea","iso":"KR","kind":"region"},{"name":"Taiwan","iso":"TW","kind":"region"},{"name":"Thailand","iso":"TH","kind":"region"},{"name":"Vietnam","iso":"VN","kind":"region"},{"name":"American Samoa","iso":"AS","kind":"region"},{"name":"Bangladesh","iso":"BD","kind":"region"},{"name":"Bhutan","iso":"BT","kind":"region"},{"name":"Brunei Darussalam","iso":"BN","kind":"region"},{"name":"Cambodia","iso":"KH","kind":"region"},{"name":"Cook Islands","iso":"CK","kind":"region"},{"name":"East Timor","iso":"TL","kind":"region"},{"name":"Fiji","iso":"FJ","kind":"region"},{"name":"French Polynesia","iso":"PF","kind":"region"},{"name":"Guam","iso":"GU","kind":"region"},{"name":"Kiribati","iso":"KI","kind":"region"},{"name":"Laos","iso":"LA","kind":"region"},{"name":"Maldives","iso":"MV","kind":"region"},{"name":"Marshall Islands","iso":"MH","kind":"region"},{"name":"Micronesia","iso":"FM","kind":"region"},{"name":"Mongolia","iso":"MN","kind":"region"},{"name":"Nauru","iso":"NR","kind":"region"},{"name":"Nepal","iso":"NP","kind":"region"},{"name":"New Caledonia","iso":"NC","kind":"region"},{"name":"Niue","iso":"NU","kind":"region"},{"name":"Norfolk Island","iso":"NF","kind":"region"},{"name":"Northern Mariana Islands","iso":"MP","kind":"region"},{"name":"Palau","iso":"PW","kind":"region"},{"name":"Papua New Guinea","iso":"PG","kind":"region"},{"name":"Pitcairn Islands","iso":"PN","kind":"region"},{"name":"Samoa","iso":"WS","kind":"region"},{"name":"Solomon Islands","iso":"SB","kind":"region"},{"name":"Sri Lanka","iso":"LK","kind":"region"},{"name":"Tokelau","iso":"TK","kind":"region"},{"name":"Tonga","iso":"TO","kind":"region"},{"name":"Tuvalu","iso":"TV","kind":"region"},{"name":"Vanuatu","iso":"VU","kind":"region"},{"name":"Wallis and Futuna","iso":"WF","kind":"region"},{"name":"Hong Kong","iso":"HK","kind":"region"},{"name":"Singapore","iso":"SG","kind":"region"},{"name":"Macau","iso":"MO","kind":"region"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Providers & Datasets","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-18T12:51:11Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-31T06:23:40+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.536,"p_room":0.36,"age_days":54,"expected_fill_days":31,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/london-stock-exchange-group-software-engineer-real-time","json_url":"https://alion.io/job/london-stock-exchange-group-software-engineer-real-time.json","meta":{"generated_at":"2026-11-02T12:06:13Z","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":16584,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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-software-engineer-real-time"},{"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-software-engineer-real-time"},{"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-software-engineer-real-time"},{"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-software-engineer-real-time\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondon-stock-exchange-group-software-engineer-real-time"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2815561}},{"tool":"search_jobs","arguments":{"company":"lseg.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2815561},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}