{"id":1353607,"url":"https://alion.io/job/six-senior-software-engineer-80-100-2","title":"Senior Software Engineer (80-100%)","company":{"id":47665,"name":"SIX","domain":"six-group.com","url":"https://alion.io/company/six","size_band":"501-1000","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":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Zurich, Switzerland"],"countries":["CH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":107000,"max_usd":205000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-09-25T02:01:00Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-28T01:39:39Z","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.\n Senior Software Engineer (80-100%)\nZurich|Working from home up to 40% possible| Reference8241\nDo you want to design, build, and operate reliable, scalable systems powering financial index services? Are you passionate about hands-on engineering and solving complex technical challenges in a distributed environment?\nOur Index team is based in Zurich and India and develops core platforms that enable the creation, calculation, and distribution of financial indices. We work at the intersection of data, engineering, and financial markets, ensuring stable and high-quality services for internal and external stakeholders.\nAs a Senior Software Engineer, you will be a senior individual contributor within this distributed setup, working closely with engineers in Zurich and India. You will combine deep hands-on engineering expertise with end-to-end technical ownership, shaping robust solutions from design through production. You will collaborate closely with product managers, domain experts, SRE teams, and other engineers to deliver reliable, maintainable, and effective systems.\nWhat You Will Do\nDesign, build, and maintain backend services using Java (Spring Boot) and Python for index calculation and data processing platforms\nOwn the end-to-end delivery of features, ensuring they are delivered on time and meet quality expectations\nTake technical ownership of complex components and features, from solution design and implementation through testing, deployment, and production support\nCollaborate with SRE teams to ensure systems are reliable and production-ready, contributing to improvements where needed\nDrive architecture and engineering decisions to improve scalability, performance, and maintainability\nWhat You Bring\nDeep hands-on software engineering expertise with Java (Spring Boot) and Python, including building, testing, deploying, and supporting production services\nDemonstrated ability to solve complex technical problems and make sound architecture and engineering decisions in production environments\nStrong knowledge of backend and distributed system design, including scalability, resilience, performance, observability, and maintainable integration patterns\nExperience using modern engineering tooling and AI-assisted development to improve productivity and code quality\nBachelor’s or Master’s degree in Computer Science or a related field, or equivalent hands-on experience in building and operating production systems\nFluent English communication skills; German is a plus\nIf you have any questions, check out our FAQ page or call Beata Czyzewskaat +48 22 104 6571 / +41 58 399 9800 / +34 91 330 51 49.\nFor this vacancy we only accept direct applications.\nDiversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.","description_format":"text","description_chars":3119,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Payment Processing & Gateways","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-27T20:50:26Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":40,"reasons":["conf:4","win:early"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/six-senior-software-engineer-80-100-2","json_url":"https://alion.io/job/six-senior-software-engineer-80-100-2.json","meta":{"generated_at":"2026-09-29T04:17:01Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4039,"day_limit":5000,"remaining_today":961,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}