{"id":2700256,"url":"https://alion.io/job/white-swan-data-software-engineer","title":"Software Engineer","company":{"id":4422430,"name":"White Swan Data","domain":"whiteswandata.com","url":"https://alion.io/company/whiteswandata","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Pinpoint","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"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":72000,"max_usd":175000,"period":"year","method":"role_country_seniority_unknown","sample_n":383},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"LLM","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-15T11:08:26Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-16T11:08:26Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are looking for a Developer to join our small, dynamic team building cutting-edge football trading systems. You'll work on low-latency market-making infrastructure across a range of prediction markets and trading venues, alongside the real-time data pipelines that feed our models, including LLM-driven systems that turn social media and other unstructured sources into structured data. This is an opportunity to work on challenging technical problems in a collaborative environment where your contributions directly impact our platform's success.\nKey Responsibilities\nCollaborate closely with our traders, quants and football analysts to ensure data utility and accuracy\nDesign, develop, and maintain data acquisition systems taking inputs from social media and other unstructured online sources, which produce timely structured data for internal use in models and trading systems\nImplement and maintain relational database schemas and API integrations which interface the above with internal modeling and trading systems\nEnhance and refactor existing systems for scale and performance\nMonitor and optimize system performance to maintain and improve low-latency pipelines\nCollaborate closely with football analyst team to ensure data utility and accuracy\nSkills, Knowledge and Expertise\nPostgres: Familiarity with Postgres and/or other traditional RDBMS.\n Programming Proficiency: Strong skills in Java (Spring), experience in Python, and working knowledge of R\n Cloud & Infrastructure: Hands-on experience with Google Cloud Platform (GCP) and Docker containerization\nAPI Development: Experience building and integrating with RESTful APIs, particularly for real-time applications\nAI/LLM integration: Experience with design and delivery of analytics pipelines which include LLM elements for conversion of unstructured to structured data: familiarity with prompt engineering in this domain with OpenAIand/ or other frontier model APIs\n Version Control & CI/CD: Proficiency with Git and modern deployment practices\nBenefits\nSalary depending on experience.\nAnnual discretionary performance bonus.\n25 days holiday per annum, plus UK bank holidays.\nPrivate health & dental insurance.\nOptical cover through Aviva. \nPension plan.\nGympass membership to over 1900 gyms and wellness businesses. \nBreakfast bought in everyday and lunch bought in twice a week\nFree 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