Top Senior Software Engineer Jobs

Design and deliver production-grade backend systems powering Temporal Cloud namespaces, audit logs, export, and data products. Architect scalable data pipelines and storage systems, establish data quality and observability standards, lead technical direction, improve reliability and incident response, collaborate cross-functionally, and mentor engineers. The role emphasizes distributed systems, operational excellence, customer experience, and resilient cloud architectures.

Lead backend engineering modernization efforts by designing scalable microservices and REST APIs, migrating systems to cloud architectures, optimizing databases, maintaining CI/CD pipelines, and ensuring system security, availability, and reliability. Mentor developers, guide technical strategy, collaborate cross-functionally, and support infrastructure and domain management. The role requires strong C# and .NET expertise, cloud experience, software architecture knowledge, and backend development leadership.

Leads technical direction and hands-on development for customer financial products involving billing, invoicing, reimbursements, transactional systems, enterprise integrations, SAP platforms, APIs, cloud technologies, and data flows. Partners with product, design, data, architects, and SAP specialists to shape solutions, establish architecture, ensure software quality and reliability, mentor engineers, and improve engineering practices.

Build and ship full-stack web and mobile experiences across Affirm’s consumer products. Break down projects, collaborate with product, design, and analytics teams, develop scalable APIs, write well-tested code, monitor service health, participate in on-call support, review code, and contribute to engineering growth and interviewing.

Leads technical direction for products supporting financial planning, forecasting, scenario analysis, and performance insights. Responsibilities include architecture, full-stack software development, APIs, distributed services, enterprise integrations, data-intensive applications, testing, CI/CD, observability, security, and operational reliability. Partners with product, design, data, architecture, and SAP teams; mentors engineers; contributes to discovery, technical standards, hiring, and continuous product improvement.

Own the architecture and technical roadmap for Uber’s Michelangelo ML control plane. Design and scale APIs, Kubernetes-native resource models, reconciliation and storage layers using etcd and MySQL. Lead reliability, disaster recovery, multi-cluster and multi-region operations, observability, performance optimization, and safe upgrades. Mentor engineers, establish technical standards, review designs and code, reduce technical debt, and guide large-scale platform initiatives across global ML, infrastructure, product, and operations teams.

Develop and maintain backend infrastructure for globally scaled real-time streaming. Build automated frameworks to evaluate streaming protocols, integrate partner systems, diagnose connectivity and performance issues, and improve reliability. The role includes design and code reviews, incident response, and on-call participation, with a focus on networking, distributed systems, cloud infrastructure, and potentially autonomous vehicle technologies.

Develop cloud security platform and product services using Golang and Python in a high-traffic environment. Own features from requirements through release, build modular infrastructure, integrate components, solve technical challenges, and collaborate with cloud, product, data science, and DevOps teams. The role also involves designing threat detection solutions, working with distributed systems and NoSQL databases, mentoring junior engineers, and promoting engineering best practices.

Build and operate AI worker products across customer experiences, agent workflows, integrations, and distributed systems. Lead complex initiatives from customer discovery through production, improve agent performance and reliability, shape model and infrastructure strategy, and mentor engineers. The role requires strong product engineering, systems thinking, technical communication, and hands-on expertise with TypeScript, React, Node.js, PostgreSQL, AWS, and Kubernetes. This is an onsite role in New York City five days per week.

Build and enhance full-stack investment applications using Angular and Python. Partner with portfolio managers, traders, quantitative analysts, and investment operations teams to develop scalable tools, data applications, pipelines, reporting, and automation. Support investment strategy implementation while improving operational efficiency and reducing risk. Apply CI/CD, testing, distributed systems, and strong software design practices to deliver maintainable solutions.

Design, develop, and maintain scalable web applications and backend systems using the Microsoft stack. Break down features into backlog stories, build APIs and microservices, work with SQL Server/PostgreSQL, implement cloud-native AWS solutions, participate in CI/CD, DevOps and Agile practices, monitor performance, and troubleshoot and enhance existing systems.

Develop and support software for satellite radiometric calibration, imaging sensor commissioning, and space operations. Responsibilities include service architecture, reliability monitoring, CI/CD integration, automated testing, operational troubleshooting, cloud-based distributed systems design, and collaboration with scientists and software teams. The role supports production and test environments, investigates data anomalies, and advances calibration operations for satellite imagery and geospatial data products.

Design, develop, scale, and operate Workday’s high-volume enterprise messaging platform supporting email, SMS, WhatsApp, and push notifications. Build resilient, secure microservices and distributed systems, integrate third-party messaging providers, improve email throughput and deliverability, maintain code quality and testing standards, contribute to technical strategy, participate in design and code reviews, and mentor junior engineers.

Build and ship scalable software across the X Ads Platform, including ad delivery, targeting, optimization, measurement, advertiser experiences, and AI-powered features. Develop reliable distributed systems, improve production services, debug issues, and collaborate with product and engineering teams. The role emphasizes ownership, rapid learning, high-quality execution, and meaningful product impact at massive scale.

Develop and optimize large-scale GPU supercomputing infrastructure for AI training and inference. Build low-level CUDA kernels using CUTLASS, Tensor Cores, and Nsight; profile and resolve performance bottlenecks across GPU memory, networking, filesystems, and multi-GPU systems; and collaborate with AI researchers to deliver scalable, production-grade compute performance.

Leads software product development across the SDLC, including system design, Java development, cloud architecture, DevOps, test automation, performance optimization, security, and software environment management. Oversees processes and projects, identifies technical gaps, recommends system improvements, develops reliable solutions, analyzes engineering trends, and mentors colleagues. The role is hybrid in Tysons, Virginia, requiring work onsite three days weekly.

Senior full-stack engineer responsible for designing, building, testing, deploying, and supporting scalable lead capture, routing, tracking, and advisor-facing platform features. The role is approximately 70% frontend and 30% backend, using NestJS, Node.js, React, AWS, databases, event-driven architectures, CI/CD, automated testing, analytics, observability, and LLM-backed functionality. Responsibilities include architecture, production troubleshooting, performance optimization, technical planning, code reviews, documentation, and mentoring.

Design, build, and ship full-stack features across .NET backend services, APIs, databases, and modern web front ends. Use AI coding agents to plan, implement, test, refactor, and review production software. Own architecture, security, quality, observability, CI/CD, and delivery outcomes. Collaborate with Product and Design, mentor engineers, and improve agentic engineering practices across a distributed team.

Design, build, and operate scalable, resilient software platforms and customer-facing features. Own systems from architecture through deployment, resolve production performance and reliability issues, collaborate cross-functionally, contribute to technical decisions, and mentor engineers. The role focuses on distributed systems, backend services, cloud-native infrastructure, and mission-critical platform capabilities.

Develop and maintain internally facing business applications that automate workflows, provide historical data insights, and improve employee tools. Responsibilities include gathering requirements, designing and implementing solutions, testing and revising applications, fixing bugs, creating reusable components, maintaining development standards, evaluating new technologies, and mentoring junior developers. The role requires full-stack development across ASP.NET, C#, JavaScript frameworks, modern CSS/HTML, and Microsoft SQL Server.

Design, deliver, and operate business-critical distributed systems at scale. The role requires full-stack software development, strong programming and SQL skills, cloud expertise, and experience with system architecture, concurrency, and large-scale operations. Preferred experience includes event-driven architectures, Kafka, REST, gRPC, Docker, Kubernetes, Terraform, monitoring platforms, CI/CD pipelines, and React or Angular frontend development.

Build and own TuneLab’s AI/ML-powered SaaS product for biotech customers. The Staff Software Engineer will develop full-stack application workflows, integrate Lilly’s drug-discovery models, make architecture decisions, establish engineering practices, and ship reliable customer-facing software. The role also includes mentoring engineers, supporting hiring, influencing product strategy, navigating enterprise infrastructure and compliance, and working with external biotech partners.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Leads architecture and development of Azure Managed Redis runtime infrastructure, including distributed deployment, upgrade, orchestration, release, and observability systems across 70+ regions. Integrates Redis Enterprise into Azure while maintaining availability, consistency, performance, and operational excellence. Builds production code in C# and Go and applies AI, LLMs, and anomaly detection to improve engineering workflows, reliability, and fleet operations.

Architects, designs, and implements features in the Windows networking stack, including TCP/IP, QUIC, transport, routing, packet processing, and connection management. Investigates customer networking issues using logs, packet captures, telemetry, and tracing; debugs and fixes defects; collaborates with Azure, Office, and other Microsoft teams; and advances standards-based networking protocols and security.