Commercial IT Full Stack Developer at ConocoPhillips · London

Commercial IT Full Stack Developer Location: London, UK Welcome to ConocoPhillips, where innovation and excellence create a platform for opportunity and growth. Come realize your full potential here. Who We Are We are one of the world’s largest independent exploration and production companies, based on proved reserves and production of liquids and natural gas. With operations and activities in 13 countries, we explore for, develop, and produce crude oil and natural gas globally. We are challenged with an important job to safely find and deliver energy to the world. Our employees are critical to our success, and with them we power civilization. We’re grounded by our SPIRIT Values – safety, people, integrity, responsibility, innovation, and teamwork. These values position us to deliver strong performance in a dynamic business – but not at all costs. We believe it’s not just what we do – it’s how we do it – that sets us apart. Fostering an Inclusive Work Environment To deliver superior performance, we create an environment that respects the contributions and differences of every individual. Wherever possible, we use these differences to drive competitive business advantage, personal growth and, ultimately, create business success. Job Summary This role designs, builds, integrates, and supports technology solutions that enable the end to end commercial trading lifecycle across commodity and financial markets. It operates close to front office trading, risk, analytics, and commercial operations, delivering resilient, high performance applications used directly in live trading environments. This is a senior individual contributor position with ownership across application, integration, and data layers that underpin front to back trading workflows. The role contributes both to the stability of mission critical systems and to the ongoing modernisation and evolution of the Commercial technology landscape. The role supports time sensitive commercial activities where system performance, data quality, reliability, and resilience directly influence trading decisions, market execution, risk exposure, commercial outcomes, and regulatory obligations. The role is based in London, United Kingdom. The working pattern supports collaboration with commercial and technology teams and may include flexibility where operationally feasible. Position Overview Key Responsibilities Design, develop, and support full stack technology solutions that enable commercial trading, market analysis, risk management, settlements, and post‑trade activities across commodity and financial markets. Deliver backend services and user interfaces that support trade capture, pricing, analytics, forecasting, optimisation, market data consumption, and PnL processes. Work closely with commercial stakeholders, including traders, analysts, risk professionals, and operations teams, to translate business and regulatory requirements into scalable, maintainable technical solutions. Develop and support high‑performance backend services suitable for time‑sensitive trading and analytics workloads. Design and deliver integration‑focused solutions that connect trading applications with external venues, market operators, data providers, and downstream commercial and regulatory systems. Apply appropriate integration patterns to support messaging, events, APIs, and batch or near‑real‑time data flows where required. Design and develop data‑rich user interfaces that present prices, positions, exposures, forecasts, and operational metrics in a clear and performant manner. Develop and maintain data pipelines that support the processing, analysis, and reporting of trade, market, operational, and reference data. Support critical commercial processes including intraday risk calculations, valuation, settlements, and regulatory reporting. Ensure data quality, traceability, and auditability across end‑to‑end commercial technology solutions. Contribute to the design and operation of cloud‑based, containerised, or distributed architectures that prioritise reliability, scalability, and observability. Participate in production support activities, including incident triage, root cause analysis, and resolution for business‑critical systems. Support controlled change and release processes appropriate for live trading and market‑sensitive environments. Collaborate with technology and support teams to enable clean operational handover, documentation, monitoring, and long‑term system stability. Contribute to technical design discussions, code reviews, and solution reviews to promote consistency, quality, and continuous improvement. Competency Requirements Basic /Required Qualifications Must be legally authorized to work in the United Kingdom Demonstrable experience building and supporting technology solutions in commodities trading, financial markets, or other regulated, high‑availability commercial environments, or equivalent experience. Practical understanding of front‑to‑back trading lifecycles, including trade execution, market data ingestion, risk and valuation, settlements, and regulatory reporting, or equivalent knowledge. Experience working directly with commercial or business stakeholders to translate operational or regulatory requirements into effective technical solutions. Hands‑on development experience in one or more modern backend programming languages, or equivalent transferable skills acquired through relevant experience. Experience designing and supporting integration‑heavy services using APIs, messaging, or event‑driven approaches, or equivalent experience. Experience developing and supporting data‑intensive applications using relational or non‑relational databases, or equivalent data management expertise. Experience contributing to the delivery or operation of systems in cloud or distributed computing environments, or equivalent experience. Ability to communicate clearly and effectively with both technical and non‑technical stakeholders. Ability to operate reliably in business‑critical environments where system availability, accuracy, and response time are important. The successful candidate will be required to demonstrate their right to work in the UK prior to commencing employment. Preferred / Desirable Qualifications Experience supporting commercial trading environments involving energy, commodities, or related markets. Exposure to ETRM or CTRM platforms, risk or valuation systems, exchanges, market operators, or commercial data providers. Familiarity with regulatory frameworks relevant to commodity or financial trading environments. Experience contributing to technology modernisation, system refactoring, or data architecture improvement initiatives. Exposure to emerging development or operational practices that improve delivery efficiency, system reliability, or operational insight. Additional Information Equal Opportunities Statement Right to Work Statement Apply By: May 28, 2026 Sponsorship: ConocoPhillips’ sponsorship for employment authorization in the country where this job is located is NOT available for this position. EEO: ConocoPhillips is an equal opportunity employer.