{"id":3149600,"url":"https://alion.io/job/six-c-software-engineer","title":"C Software Engineer","company":{"id":47665,"name":"SIX","domain":"six-group.com","url":"https://alion.io/company/six","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":88000,"period":"year","method":"role_country_seniority_unknown","sample_n":508},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-23T11:42:10Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-28T06:23:50Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"SIX drives the transformation of financial markets.\nWhat sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.\nC Software Engineer\nParis|Working from home up to 40%| Reference8365\nAre you passionate about C development and excited by the challenge of modernizing established software solutions?\nJoin us as a Software Engineer C and play an active role in evolving our applications and engineering practices within the financial industry. You will design and develop reliable software components, contribute to modernization initiatives, and strengthen automation and CI/CD practices within an Agile/DevOps environment.\nDoes it sound interesting for you? Don't hesitate and apply now with your CV in English.\nWhat You Will Do\nDesign, develop and maintain software applications using C, SQL\nDevelop and maintain automated CI/CD pipelines\nImplement unit, integration and regression tests.\nTroubleshoot, optimize and improve application performance.\nSupport deployment, monitoring and production incident resolution.\nContribute to technical documentation and continuous improvement initiatives\nPractices within an Agile/DevOps environment\nWhat You bring\nStrong experience in C and SQL, with proficiency in Linux development environments and Java\nStrong analytical and problem-solving skills for understanding, maintaining, and troubleshooting existing code\nStrong collaboration skills\nCustomer-focused and quality-driven approach\nFluent in French, with a good command of English (both written and Spoken)\nIf you have any questions, check out our FAQ page or call Sara Perez de la Cuestaat +34 91 709 56 80.\nFor this vacancy we only accept direct applications in English.\nDiversity is important to us. 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