{"id":3707534,"url":"https://alion.io/job/drw-senior-software-engineer-unified-platform-platform-services","title":"Senior Software Engineer, Unified Platform - Platform Services","company":{"id":58537,"name":"DRW","domain":"drw.com","url":"https://alion.io/company/drw","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":151,"ghost_share":0.185,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":73,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"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":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"Clojure","optional":false},{"name":"IAM","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Ruby","optional":false}],"status":"live","first_seen_at":"2026-11-03T17:37:37Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-08T19:16:26Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":4},"description":"DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk.\nHeadquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets.\nWe operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters-it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.\nUP (Unified Platform) consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research, our platform simplifies implementing new ideas, enhancing our competitive edge. We work from high-level requirements where programmers are expected to gain an intimate understanding of the business. We strive for an environment where developers have the autonomy to pursue business solutions without arbitrary management constraints. We are a group of polyglots and technologists always seeking to find the right tool for each problem. Broadly, the development teams at DRW believe in rapid deployment and feedback, automated testing, and cohesive, transparent, lightly coupled service architectures.\nThe Platform Services team builds self-service platform products that simplify how development teams interact with infrastructure. Its goal is to let teams focus on delivering business value rather than on platform integrations and infrastructure complexity. Examples include: \nAccess Management - Work towards a single source of truth for who can do what at DRW. Simplify engineering's approach to Identity and Access Management (IAM) by providing a platform that can be used to manage access across DRW's proprietary and third-party systems. \nLimit Monitoring - Create a platform for defining and monitoring firmwide trading limits across domains like Risk, Treasury, and Compliance. \nData Tables - Provide a best-of-breed service for managing lightweight datasets, with built-in support for temporal (point-in-time) data, access controls, APIs, and front end. \nUsage - Normalize the collection, storage, and presentation of usage data to provide insight into how services and data are being used and why. \nAs a Senior Software Engineer, you will define, develop, and own services that form the foundation of DRW's Unified Platform. \nKey Responsibilities: \nArchitect and deliver complex features end-to-end with minimal oversight. \nTurn high-level requirements into solutions, drawing on a deep understanding of the business. \nMaintain a constant focus on testing, reliability, scalability, and maintainability. \nDesign systems, model data, and write code across a variety of languages and technologies. \nEvolve legacy code alongside greenfield development. \nLearn and promote new technologies with a focus on best practices. \nEngage in on-call and production support activities. \nContribute to system and architecture design discussions. \nChallenge ideas and participate in defining the path forward. \nRequired Qualifications: \n7+ years of experience in server-side development using major programming languages such as Java, Ruby, Python, Clojure, or C#. \nStrong understanding of system and architecture design principles, especially in the context of distributed systems. \nAbility to own projects, define requirements, and lead their development. \nExcellent problem-solving skills, with the capacity to work on both software development and support tasks. \nStrong communication and interpersonal skills. \nDesirable Qualifications: \nExperience with Platform as a Service (PaaS) and the transformation of services into products. \nExperience with IAM concepts such as RBAC/ABAC, OAuth 2.0/OIDC, or SCIM. \nExperience with temporal data modeling and designing APIs consumed by other teams. \nExperience building real-time or event-driven systems. \nFor more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at https://drw.com/privacy-notice.\nCalifornia residents, please review the California Privacy Notice for information about certain legal rights at 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