Senior ServiceNow Developer M/F

• 22 July 2026 • 100% • Indefinite duration • Geneva, 1204 Geneva • Log in to see the salary estimate from jobup.ch As a member of the Sigmalis group, active since 2007 in IT consulting and engineering, Sigmalis Talent Services accompanies companies in the identification and attraction of IT experts and executives, offering a complete recruitment range: permanent placement, contract delegation, temporary missions, and executive search. Our recruitment expertise for over 20 years in French-speaking Switzerland, combined with a deep understanding of technological professions and HR issues, allows us to offer you relevant opportunities in professional environments truly adapted to your expectations. Our priority is to ensure your long-term success, whether you are looking for a permanent position with a client or as a consultant within our team. Job Description ### We are looking for a senior ServiceNow developer to strengthen current teams on ongoing projects and the evolutionary maintenance of applications. You will join a team of passionate professionals including project managers, architects, service managers, business analysts, and developers. Your main activity will be to develop and maintain application solutions based on functional specifications by capitalizing as much as possible on the standard functionalities of the software package. Responsibilities • Conduct technical analysis from functional specifications, identify solutions and associated technical risks, validate and justify the choice of a solution. • Maintain and develop Now® integrations within the OCSIN ecosystem. • Design, configure, develop, and maintain business applications on AppEngine and CSM and integrate them into the OCSIN Now® ecosystem. • Create and maintain workflows with Flow Designer and develop scripts (Business Rules, Script Includes, Client Scripts, UI Policies). • Perform integrations (REST, SOAP, MID Server, LDAP, SSO, -). • Provide specifications for technical stories and ensure the implementation of their test scenarios and the execution of unit or load test plans. • Produce runbooks detailing the deployment procedure of integrations and applications on different environments. • Participate in testing, deployment, and support phases. • Write and maintain up-to-date technical documentation allowing for the configuration and administration of integrations and applications. • Write and maintain up-to-date documentation necessary for a knowledge transfer to OCSIN. • Ensure code quality (best practices, performance, security). • Develop within the allotted timeframes and with the required quality level. • Respect current standards regarding design, development, testing strategy, security, as well as the application of OCSIN standards and processes, and actively participate in the continuous improvement of sector practices. • Perform precise and regular reporting to the project manager on the progress of work, remaining tasks, and report and follow up on identified technical risks. • Provide technical support and expertise to project teams. Technical Environment • ServiceNow • JavaScript • Web Services (REST, SOAP) • XML and JSON • JIRA, xRAY (test tool integrated into JIRA) Required Profile ### Required technical skills • HES degree or bachelor's degree in computer science or EPF engineering degree or federal diploma or equivalent. • At least 3 years of confirmed experience in ServiceNow development (AppEngine and CSM). • Very good mastery of the ServiceNow platform. Confirmed experience with ServiceNow AppEngine and CSM modules. • Good understanding of databases and the ServiceNow data model. • Good knowledge of development engineering processes (phases and associated deliverables). • Solid skills in JavaScript. • Mastery of client-side and server-side scripting mechanisms. • Knowledge of integrations and web services (REST/SOAP/JSON/XML). • Understanding of MVC architecture (Model-View-Controller). • ServiceNow Certifications (CSA, CAD, CIS-CSM). Ideally, you have developed in Agile mode and benefit from Micro-certifications on the ServiceNow core platform (Integration Hub, Flow Designer, UI Builder, Service Portal). Knowledge of ITIL best practices is also an asset. Interpersonal skills • Analytical and problem-solving skills. • Rigor, organization, and sense of service. • Autonomy and sense of responsibility. • Ability to work in a team and resist stress. • Ability to communicate in writing and orally with technical and functional interlocutors. • Demonstrate initiative. • Have an open attitude towards change. What Sigmalis offers you ### • A particularly advantageous pension plan (LPP), • An annual variable bonus linked to individual performance and company results, • The possibility of teleworking up to 40% and taking unpaid leave subject to client agreement • Specific benefits depending on the mission (public transport subscription, training, etc.) If you recognize yourself in this profile, we will gladly receive your application, which must include your CV as well as your complete file (copies of diplomas, work certificates, etc.).