Top Senior Software Engineer Jobs

Hands-on senior engineer responsible for designing, building, and operating a multi-threaded, Linux-based, real-time Java platform for Equity Swaps. Drive architecture, mentor engineers, own core components (including cashflow calculator), operate and tune sharded MongoDB, improve CI/CD and test automation, lead L3 support, and use AI tooling to accelerate the SDLC.

The Senior Backend Software Engineer develops secure APIs utilizing Kensho's AI capabilities, collaborates across teams, and mentors colleagues while managing project deadlines and deliverables.

As a Senior Backend Engineer, you will develop APIs, collaborate with various teams, and manage project priorities while ensuring communication is efficient and inclusive.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript, manage project priorities, and make technology decisions while collaborating with Product and Design teams.

Design, build, and scale backend services, APIs, and full-stack features powering patient booking, clinician routing, logistics, and device integrations. Solve scheduling, dispatch, safety, and clinical-error prevention challenges, integrate external health systems and medical devices, and own projects 0→1 while collaborating with product, data, ops, and clinical teams.

Design and implement large-scale routing, scheduling, forecasting, and simulation systems to optimize clinician dispatch and capacity. Prototype and productionize optimization and predictive models, collaborate with product and ops, and own end-to-end projects in a distributed environment.

Build and scale backend and full-stack systems powering patient booking, clinician routing, logistics, and device integrations. Own 0->1 projects, design APIs and data models, integrate external health systems and medical devices, solve operational challenges at scale, and collaborate with product, data, ops, and clinical teams to deliver secure, reliable production software.

Develops, maintains, and enhances complex modeling and simulation software. Design, code, debug, test, and integrate software; analyze user requirements; resolve defects; and improve documentation and development processes.

Designs, develops, tests, debugs, and integrates complex modeling and simulation software. Analyzes user requirements, implements new features, resolves defects, and improves development processes while handling large datasets and real-time processing.

Designs, develops, debugs, tests, integrates, and maintains complex modeling and simulation software. Analyzes user requirements into software designs, resolves defects, documents test results, recommends process improvements, and builds data queries and system integrations.

Develop and lead iOS software solutions using Swift, collaborate with engineering, UX/UI, quality, and product teams, and deliver high-quality mobile experiences. Participate in Agile ceremonies, advocate for mobile platforms, review code, resolve technical obstacles, improve engineering practices, and mentor junior and mid-level engineers. Own major platform components, engage across mobile and backend disciplines, and provide subject-matter-expert leadership for mobile development.

Lead end-to-end technical initiatives for enterprise web platforms, make cross-team architectural decisions, establish engineering standards, and promote AI-native development practices. Advise and influence engineering teams, collaborate with product and design leadership, mentor engineers, support interviewing and onboarding, and build high-traffic front-end experiences using JavaScript, Angular, React, Node.js, HTML, CSS, and TypeScript.

Leads software engineering projects and developer teams building distributed microservices and cloud-based backend solutions. Collaborates with product managers, mentors engineers, evaluates code, and addresses regulatory and customer needs. Uses Java, Python, SQL, Node.js, Go, Scala, AWS, containerization, orchestration, relational databases, and NoSQL technologies while driving innovation and delivery across Capital One.

Design and build distributed services, data pipelines, APIs, and integrations for GPU capacity planning, reservations, allocation, forecasting, and utilization. Establish unified capacity models across cloud providers and regions, automate operational workflows, improve observability and reliability, and resolve complex production issues. Lead technical design reviews, set engineering standards, mentor engineers, and collaborate cross-functionally on business-critical DGX Cloud infrastructure.

Principal Software Engineer designing and delivering full-stack, cloud-native solutions across React, Node.js, TypeScript, and Java. The role leads Micro Frontend strategy, AI-driven workflow development, distributed systems architecture, data quality, security, testing, observability, and reliability initiatives. Responsibilities include solving complex technical problems, collaborating cross-functionally, establishing engineering best practices, mentoring engineers, and driving scalable, resilient software delivery in an agile environment.

Senior full‑stack engineer responsible for architecting, testing, and shipping end-to-end web applications. Refactor and optimize code, collaborate with product and data engineering teams to serve large-scale financial reporting and data-visualization workloads.

Designs, develops, and delivers enterprise software for CVS Retail Pharmacy systems across the full product lifecycle. Responsibilities include techno-functional impact analysis, architecture and coding, full-stack Java development, cloud-based microservices, responsive front-end development, database design, risk mitigation, and production readiness. The role also drives engineering best practices, scalable distributed-system solutions, Agile delivery, and collaboration across large technical teams.

Build simulation and planning systems for complex communications networks. Develop tools that model hypothetical scenarios, vary configurations and assumptions, compare outcomes, surface tradeoffs, and identify risks. Design scalable, reliable backend systems for complex, evolving network states while collaborating across product engineering to integrate capabilities into broader workflows. Responsibilities span system design, implementation, testing, debugging, and operational support.

Build and own full-stack features for campaign management, reporting, audience tooling, and advertising marketplace APIs. Design scalable backend services, optimize low-latency and high-throughput systems, develop lightweight front ends, and work with data stores and APIs. Responsibilities include production ownership, testing, observability, on-call support, technical decisions, stakeholder collaboration, mentoring, and improving engineering standards.

Own and scale React Native mobile applications across multiple custom-branded client apps. Manage features end to end, including requirements, architecture, development, testing, release pipelines, App Store and Google Play submissions, production support, and rollbacks. Debug React Native and native platform issues, contribute to system design and code quality, and collaborate with leadership, clients, and engineering teammates. Help consolidate legacy systems and advance service-based architecture.

Design, build, and maintain full-stack web and mobile applications using modern JavaScript frameworks. Produce high-quality, testable code, participate in architecture and estimation, support existing client sites, follow QA and review practices, and optimize performance and scalability. Collaborate with product managers, UX, and cross-functional teams.

Build and maintain quantum computer management systems, controls infrastructure, and calibration services. Own mission-critical software, collaborate with physicists and hardware engineers, and develop scalable, efficient systems. Responsibilities include debugging, troubleshooting, designing cloud-native microservices and event-driven architectures, working with scientific instrument data, and supporting system performance and operations.

The Software Engineer will architect and enhance billing systems, develop integrations, and collaborate with various teams to ensure effective monetization of OpenAI products.

Design, implement, and test high-throughput, low-latency microservices for Disney's linear advertising platform. Improve observability, translate product stories into tasks, own domain areas, participate in on-call rotations, and build LLM-enabled tooling and agentic workflows. Mentor peers and collaborate across teams to ensure operational metrics, monitoring, and system health.

Early senior engineer who will define technical direction, own core full-stack platform architecture, build AI-powered multi-modal systems (voice, text, email), make infrastructure and tooling decisions, mentor engineers, and work directly with customers to ship solutions quickly.