Senior Developer

Finding solutions to climate change is the priority of the 21st century, and means switching to low-carbon energy. At Assystem, our mission is to accelerate the energy transition worldwide. To achieve this, our 7,000 Switchers combine their historical engineering expertise and project management with digital technologies.

In our 12 countries (Europe, Middle East, Asia) of operation, we are working on the production and distribution of low-carbon electricity, through the development of nuclear and renewable energies. We are also supporting the modernisation and development of energy grids, managing the setup and siting for new transmission and distribution networks, and using hydrogen to decarbonise the transport and industry sectors.

Assystem in Türkiye, is renowned for working with the public and private sectors. Specializing in ESIA studies, site investigations, and laboratory research, the company offers vital site supervision owners and lenders engineering services. Notably, Assystem in Türkiye plays a pivotal role in major projects like power generation, and the construction of the Akkuyu nuclear power plant.

Responsibilities

Lead approved application development, customizations, and platform extensions in accordance with approved requirements and architecture.; Perform code reviews, enforce secure coding practices, and ensure adherence to development standards.; Develop and execute automated testing, unit testing, and support performance, regression, and security testing activities.; Investigate, troubleshoot, and resolve complex defects and Level 3 (L3) production incidents.; Prepare release packages and support deployment, rollback, and hypercare activities.; Maintain source code repositories, version control, and change management records.; Provide evidence of testing, code quality, deployment validation, and production defect resolution.; Conduct production issue analysis, root cause investigations, and corrective action implementation.; Document maintainable solutions, technical designs, configurations, and support procedures.; Support continuous improvement of application performance, reliability, security, and maintainability.

Requirements

Deliver extensions, reports, APIs, integrations, and workflow automation for Oracle, engineering, SharePoint, Power Apps, Power Automate, BPM, and custom applications.; Demonstrate hands-on development of REST APIs , custom code, reports, and business-process automation.; Evidence Unreal Engine , Perforce , Pixel Streaming , and NVIDIA Omniverse development where assigned to visualization platforms.; Specify actual languages, frameworks, tools, and platforms used (e.g., C#, .NET, JavaScript, Python, SQL).; Clearly identify personal delivery contributions across design, development, testing, deployment, and support.; Demonstrate delivered solutions with measurable business or operational outcomes.