Senior Python Developer

Role Overview We are seeking a Senior Python Developer to support the design, development, testing, and delivery of the Deal Entry Portal (DEP) . The role will help automate the entry of exchange-traded deals into Shell’s Enterprise Risk Management Systems, improving the speed and accuracy of trade capture, management information, and P&L reporting. Key Responsibilities Design, develop, test, and release new DEP features. Build and maintain object-oriented Python APIs . Contribute to large-scale application architecture, technical design, and development projects. Design and test solutions for distributed asynchronous systems, including mechanisms to prevent data conflicts in immutable, multi-machine environments. Work with SQL databases and Oracle to support reliable application data management. Develop and support applications using technologies including Docker, Kafka, Kubernetes, Microsoft Azure or AWS, and GitHub . Provide expertise in message broker technologies such as RabbitMQ, ActiveMQ, or AWS SQS. Diagnose and resolve functional and technical issues across assigned applications and infrastructure. Provide workarounds and bug fixes for urgent production incidents. Create test scripts, develop automation, and provide project guidance, planning support, and implementation oversight. Apply DevOps principles and support continuous integration and continuous deployment pipelines. Collaborate effectively with the lead functional developer and communicate clearly with internal and external stakeholders. Mentor and support junior team members. Essential Skills and Experience Strong commercial experience developing APIs using Python and object-oriented programming . Demonstrable understanding of distributed, asynchronous systems and strategies for maintaining data consistency and avoiding conflicts. Experience with SQL databases and Oracle. Hands-on experience with containers, orchestration, messaging, and cloud technologies, including Docker, Kubernetes, Kafka, Azure, or AWS. Experience with GitHub or comparable source-control platforms. Excellent coding, testing, automation, analytical, and problem-solving abilities. Experience with at least one strongly typed programming language. Understanding of DevOps practices, CI/CD, and automated software delivery. Strong written and verbal communication skills, particularly when working with business stakeholders and external partners. Ability to work independently, deliver against agreed outcomes, and take ownership of technical solutions. Experience mentoring junior developers. With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.