Top Senior Software Engineer Jobs

Lead UI architecture, design, and delivery for identity platform user interfaces. Define UI standards (performance, accessibility, security), drive modern front-end practices (micro frontends, design systems), mentor engineers, collaborate with product/UX/security/platform teams, and ensure compliance with HIPAA/PHI and enterprise identity standards.

Lead the design, development, deployment, and long-term operation of complex full-stack systems and features. Decompose ambiguous customer problems, manage data models and production systems, monitor SLAs, diagnose incidents, and make architectural decisions. Collaborate with Product, Design, Data Analytics, and Lifecycle Comms while mentoring engineers and improving engineering processes, tooling, and on-call practices. Work primarily with TypeScript, GraphQL, Temporal, Postgres, and AWS, using AI tools responsibly.

Lead the end-to-end design, development, deployment, and operation of complex subscription, pricing, billing, and order-generation systems. Decompose ambiguous problems, design scalable data models and APIs, monitor production systems, diagnose incidents, and maintain SLAs. Partner with Product, Design, Data Analytics, and Lifecycle Communications, while mentoring engineers and improving engineering processes. Work across a TypeScript, GraphQL, Temporal, Postgres, and AWS stack, using AI tools responsibly.

Leads software design, development, troubleshooting, and architecture for complex applications. Builds secure production code using Java, Spring, REST APIs, Kafka, PostgreSQL, microservices, and cloud platforms. Drives responsible adoption of AI-assisted engineering tools, establishes validation and secure coding standards, coaches engineers, improves automation and architecture, and contributes to engineering communities and emerging technology initiatives.

Leads the design, development, and delivery of software-defined networking, network automation, and infrastructure management solutions across multi-cloud environments. Builds APIs, automation frameworks, infrastructure-as-code, and CI/CD pipelines while ensuring reliability, security, scalability, and operational stability. Drives responsible AI-assisted engineering practices, collaborates with cross-functional teams, troubleshoots distributed network systems, evaluates emerging technologies, and mentors engineers.

Lead architecture and development of a firm-wide software dependency risk platform on AWS and Java. Own data ingestion, dependency graph modeling, APIs, integrations, technical strategy, and production delivery. Establish agentic AI engineering practices using tools such as Claude, with governance for security, resiliency, auditability, and human validation. Mentor senior engineers, solve complex technical problems, and represent engineering across security, risk, compliance, and platform stakeholders.

Design, scope, and implement scalable backend and platform solutions for a reservations and waitlist product. Improve performance and usability, collaborate with Product and Design, identify high-impact opportunities, and contribute across the stack including APIs and front-end integration.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Designs, develops, integrates, tests, and demonstrates autonomy algorithms and software for unmanned platforms and mission systems. Provides technical leadership and mentoring across the software lifecycle, develops backend-focused algorithmic applications, supports system and system-of-systems architecture, and collaborates with research scientists to transition mathematical concepts into production software. Work includes mission planning, automated control, DevSecOps, CI/CD, code quality, Agile execution, and team leadership.

Design, develop, integrate, test, and demonstrate autonomy algorithms and software for unmanned platforms and mission systems. Provide technical leadership and mentoring across the software lifecycle, including architecture, Agile development, DevSecOps, CI/CD, code quality, and system integration. Translate complex mathematical concepts into production software while supporting mission planning, automated control, autonomous reasoning, and multi-agent systems.

Design, develop, integrate, test, and demonstrate autonomy algorithms and software for unmanned platforms, mission planning, automated control, and DevSecOps systems. Provide technical leadership and mentoring across the software lifecycle, translate mathematical concepts into applications, support system architecture, and lead small Agile engineering teams. Develop backend-focused software using concurrency, optimization, testing, code review, and CI/CD best practices.

Leads architecture, development, and operation of scalable batch and streaming data pipelines on Databricks and Apache Spark. Owns Lakehouse design, cluster configuration, performance tuning, data quality, governance, CI/CD, infrastructure automation, and reusable Python or Java frameworks. Champions secure engineering practices, responsible AI-assisted development, testing, observability, and technical mentorship.

Leads development of secure, scalable, cloud-native microservices and full-stack applications. Designs resilient architectures, writes and reviews production code, troubleshoots issues, and improves operational stability. Drives automation, continuous delivery, AI-assisted engineering practices, responsible AI usage, and software development standards. Mentors engineers, leads communities of practice, adopts modern technologies, and delivers reliable solutions across distributed systems, APIs, databases, and web technologies.

Leads full-stack software engineering within an agile finance technology team. Develops, reviews, debugs, and governs secure production code; drives AI-assisted engineering, automation, monitoring, and operational stability. Provides technical guidance, coaches engineers, evaluates vendor architectures, collaborates with product teams, manages delivery risks, and leads engineering communities of practice. Requires extensive enterprise software development experience across Java, Spring, JavaScript, React, testing, CI/CD, security, event-driven systems, and observability technologies.

Design and deliver full stack, client-facing loyalty experiences and embeddable placements. Lead end-to-end system and browser-side architecture, ensure scalability, performance, privacy, and compatibility across partner surfaces. Integrate AI/ML personalization safely, own features through implementation and operations, collaborate with product/data/design/partner teams, and mentor engineers while defining patterns and best practices for embedded cross-team solutions.

Design, build, and operate full‑stack services and customer experiences. Implement frontend and backend code, own service lifecycle (testing, deployment, monitoring, incident response), collaborate with product and design, apply data‑driven prioritization, and safely integrate AI/ML capabilities to improve system reliability and user experience.

Lead Software Engineer responsible for software design and development for defense-related projects, mentoring junior engineers, and ensuring project alignment with requirements and standards.

Lead design, development, testing, and deployment of scalable microservices and responsive UI using Java/Spring and React/TypeScript. Drive architecture, standards, and cross-team initiatives, mentor engineers, integrate APIs (REST/GraphQL), employ event streaming and caching, and apply generative AI/LLM techniques to deliver enterprise solutions.

Leads end-to-end software engineering for healthcare payments systems within an agile team. Designs, develops, tests, reviews, debugs, and supports secure, scalable production applications using .NET/C#, SQL, and AI-assisted development tools. Drives automation, operational stability, responsible AI adoption, and software delivery practices. Partners with vendors and internal teams to evaluate architectures and technical solutions while coordinating cross-functional delivery.

Lead architecture, design, and implementation of scalable MyAccount web and platform capabilities. Drive technical strategy across teams, develop applications and APIs, improve reliability, performance, observability, and security, and ensure robust automated testing. Mentor engineers, influence architectural decisions, connect technical initiatives to business goals, and maintain operational ownership of customer-facing systems.

Design, build, and operate secure, high-performance sandboxed runtime environments for multi-tenant Kubernetes workloads. Develop GPU-aware scheduling, isolation, and resource management strategies; integrate container runtimes, lightweight virtual machines, and virtualization technologies; optimize container, VM, I/O, and GPU performance; conduct profiling and benchmarking; and contribute to Linux, runtime, virtualization, GPU, and security architecture.

Design, develop, and maintain large-scale backend systems and APIs. Lead technical design and implementation of distributed, service-oriented and event-driven architectures. Perform code reviews, ensure security and performance, troubleshoot complex production incidents, and lead root-cause analysis and remediation. Hybrid role with 3 days in-office and ~20% domestic travel.

Design, develop, and maintain scalable Go microservices, APIs, and data models supporting Cloudflare’s global IP addressing infrastructure. Build distributed, fault-tolerant systems for IP assignment, traffic engineering, BGP management, and provisioning. Collaborate with reliability, network, and product engineers while debugging complex systems and learning edge networking, routers, DNS, and Linux environments.

Design, implement, and operate Cloudflare’s S3-compatible R2 API gateway across Workers and Kubernetes. Own authentication, authorization, routing, rate limiting, error handling, API compatibility, reliability, observability, and production operations. Lead projects from design through deployment, participate in on-call and incident response, improve performance, and collaborate with storage, metadata, networking, and platform teams. Use AI coding tools extensively in daily development.

Build, deploy, and operate highly scalable Network Services systems on Cloudflare’s global edge network. Develop distributed networking systems involving BGP, Linux kernel dataplanes, control planes, APIs, traffic analytics, and data pipelines. Improve system performance, reliability, and scalability while solving complex customer problems. Own solutions end to end across design, development, deployment, and operations, and collaborate across engineering and product teams.