{"id":3906384,"url":"https://alion.io/job/venmo-sr-software-engineer","title":"Sr Software Engineer","company":{"id":1754590,"name":"Venmo","domain":"venmo.com","url":"https://alion.io/company/venmo-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":144000,"max":213000,"currency":"USD","period":"year","gross":null,"usd_annual":213000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"MySQL","optional":false},{"name":"RAG","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false}],"status":"live","first_seen_at":"2026-11-07T02:26:06Z","employer_posted_date":null,"last_verified_at":"2026-11-07T02:26:06Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"PayPal is hiring a Senior Software Engineer to deliver the Venmo Risk Platform migration to HelixOS. The role builds low-latency, highly available services for real-time fraud and risk decisioning and partners with Risk Strategy, Data Science, and Product to create reliable, auditable platform capabilities.\n\nResponsibilities\nThis job delivers complete solutions across the SDLC for the Venmo Risk Platform, powering real-time fraud and risk decisioning for millions of Venmo users\nDesign and build low-latency, highly available services .Partner with Risk Strategy, Data Science, and Product to turn risk and policy into reliable, auditable platform capabilities\nDelivers complete solutions spanning all phases of the Software Development Lifecycle (SDLC) (design, implementation, testing, delivery and operations), based on definitions from more senior roles\nAdvises immediate management on project-level issues\nGuides junior engineers\nOperates with little day-to-day supervision, making technical decisions based on knowledge of internal conventions and industry best practices\nApplies knowledge of technical best practices in making decisions\n\nSkills\n3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience\nBachelor's degree in Computer Science, Engineering, or a related technical discipline\n3+ years of professional experience building enterprise-level software\nExpert in Java, J2EE, Spring Framework, and Spring Boot, building scalable RESTful APIs and microservices in cloud environments\nStrong grasp of RESTful API design principles and patterns, with deep experience in relational databases (Oracle, MySQL) and NoSQL stores\nProven experience building and maintaining CI/CD pipelines (Jenkins, Harness) and deploying to major cloud platforms (GCP preferred)\nSolid understanding of distributed systems and cloud infrastructure, including Docker and Kubernetes\nHands-on experience integrating AI/ML into backend systems: serving and calling ML models and LLM APIs, building feature pipelines, and supporting real-time inference for risk decisioning\nFamiliarity with GenAI application patterns such as prompt design, RAG, vector stores, agent/tool-calling (e.g., MCP), and guardrails, plus an understanding of model risks (hallucination, bias, drift, prompt injection) and responsible AI practices in regulated environments\nExperience using AI-assisted development tools (GitHub Copilot, Claude, Cursor) to improve code quality, accelerate testing, and generate documentation. You review and validate AI output rather than accepting it blindly\nAbility to optimize backend performance and scalability in cloud-native environments, including latency, throughput, and cost of AI-enabled services\nExperience with observability and monitoring of AI/ML-enabled services (model performance, drift, decision auditing, explainability)\nExceptional analytical and debugging skills: troubleshoot complex issues, find root cause, and implement durable fixes\nSelf-motivated, with strong ownership and accountability for deliverables\nThrives in fast-paced environments with evolving priorities, and keeps pace with fast-moving AI tooling\nTrack record leading and collaborating with cross-functional teams in matrix organizations\nTranslates complex business and risk requirements into effective technical architectures\nPartners with Data Scientists, Product Managers, and Architects to productionize ML models and AI capabilities\n3+ years of professional experience building enterprise-level software, ideally in risk, fraud, or payments systems\nGCP preferred\nExperience with fraud, risk, or payments platforms\nExperience with streaming/messaging (Kafka) and feature stores\nFamiliarity with MLOps practices (model deployment, versioning, A/B and shadow testing)\n\nBenefits\nAnnual performance bonus, equity, or other incentive compensation, as applicable\nFor the majority of employees, a balanced hybrid work model with 3 days in the office and 2 days at the employee’s choice of the PayPal office or home workspace\nComprehensive, choice-based programs supporting physical, emotional, and financial wellbeing\nGenerous paid time off\nHealthcare coverage for you and your family\nResources to create financial security and support your mental health\n\nCompany Overview\nVenmo offers an app that allows users to share and make payments with friends for a variety of services. It was founded in 2009, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is http://venmo.com.\n\nCompany H1B Sponsorship\nVenmo has a track record of offering H1B sponsorships, with 1192 in 2026, 1113 in 2025, 913 in 2024, 775 in 2023, 921 in 2022, 1051 in 2021, 1049 in 2020. 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