Top Senior Software Engineer Jobs in NYC, NY

Leads the architecture, development, and delivery of a global equity derivatives pricing platform and RFQ workflow. Develops Java server and C# client features, designs REST-based solutions, maintains automated test suites, improves CI/CD pipelines, and supports deployment strategies. The role includes requirements refinement, architecture planning, proof-of-concepts, agile delivery, compliance, mentoring engineers, and collaboration with business and platform partners.

Build scalable full-stack infrastructure for accessible Claude deployments serving nonprofits, educators, healthcare organizations, researchers, and other mission-driven communities. Responsibilities include self-serve onboarding, identity verification, pricing and billing, provisioning, MCP integrations, multilingual and accessibility capabilities, social-impact measurement, and reliable platform operations. The role partners with product, partnerships, and field teams to rapidly develop solutions for global and resource-constrained organizations.

Design, implement, and maintain observability features: large-scale data ingestion/storage/processing, visualization tools, frontend integrations, reliability via testing, and collaborate across product, design, and infrastructure while engaging with open-source communities and user feedback.

As a Senior Full-Stack Software Engineer, you will develop and enhance software platforms, focusing on backend services, APIs, and front-end applications, while mentoring junior developers and collaborating with cross-functional teams.

Leads enterprise adoption of agentic AI-enabled engineering practices, establishing governance, security, auditability, and human oversight. Designs scalable software frameworks, writes secure production code, reviews and debugs systems, and shapes AI-enabled architecture across Consumer and Community Banking. Partners with product and engineering leaders on roadmaps, advises cross-functional teams, and drives automation across development, testing, releases, incident triage, and root-cause analysis.

Design, architect, build, and deliver core identity and access management services for MongoDB Atlas. Lead complex technical projects from specification through delivery, improve engineering practices and code quality, define priorities, and mentor team members. The role focuses on authentication, authorization, backend systems, and secure customer-facing IAM features while supporting FedRAMP requirements.

Design and build scalable media platform systems for uploading, processing, managing, and serving image, video, and audio assets. Own complex backend projects, develop reliable distributed systems and REST APIs, integrate cloud services and GenAI technologies, collaborate across engineering teams, mentor teammates, and participate in production on-call rotations.

Lead architecture and implementation of complex full-stack features for a live-events platform. Drive scalable, reliable, and high-performing systems; contribute across frontend, backend, databases, and infrastructure; build data-driven tools; mentor engineers; and collaborate on technical decisions and product experimentation.

Own frontend product development for business software, including design-system and frontend architecture evolution, user experience improvements, feature delivery, and development workflow enhancements. Collaborate with product, operations, and nontechnical partners while owning projects from problem definition through delivery. Build dashboards, portals, and user-facing applications using React and JavaScript or TypeScript.

Build and own the technical roadmap: design AI-first interfaces and APIs, architect scalable ETL pipelines, develop data models for ML features, ship autonomous B2B workflows (PO generation, vendor sync, schedule optimizations), and establish engineering standards, CI/CD, and mentoring.

Join as an early founding full-stack engineer to architect, build, and deploy a scalable platform serving AI-driven voice applications. You will own frontend and backend development, design infrastructure with the CTO, and deliver reliable production systems for enterprise customers.

As a Software Engineer on the Compute team, you will build and optimize systems for data processing, SQL querying, and improve the performance of code execution. You will tackle complex engineering challenges spanning backend data systems to frontend applications, ensuring efficiency and usability.

As a Senior Software Engineer, you'll develop customer-facing features, ensuring user experiences are intuitive and polished, while collaborating closely with product and design teams.

Design, develop, integrate, test, and productize perception software for autonomous driving systems. Responsibilities include implementing robust and reusable software components, deploying deep neural network models to embedded real-time platforms, developing verification plans, debugging systems, maintaining documentation, and analyzing real or synthetic benchmark data. The role requires close collaboration with perception engineers and researchers throughout the software development lifecycle.

Architect and operate scalable backend systems, APIs, distributed services, and secure data platforms using Python and related technologies. Partner with data science and ML teams to productionize AI capabilities, lead cross-team technical initiatives, improve engineering standards, and mentor engineers. Own systems throughout the product lifecycle while emphasizing reliability, observability, performance, privacy, and data integrity.

Build and operate production software, APIs, tooling, and automation for large-scale GPU, bare-metal, and HPC infrastructure. Responsibilities include provisioning, configuration, monitoring, lifecycle management, observability, hardware integration, reliability improvements, and infrastructure capacity deployment. The role partners with networking, data center, platform, and infrastructure teams to design scalable systems and define technical direction.

Lead a team of software developers and oversee diverse technology projects involving distributed microservices and full-stack systems. Build robust cloud-based solutions using Java, JavaScript, TypeScript, SQL, AWS, Docker, Kubernetes, and databases. Collaborate with product managers, address regulatory needs, mentor engineers, and promote modern engineering practices and emerging technologies.

Lead software engineering projects and developer teams building full-stack, distributed microservices and cloud-based solutions. Develop and evaluate code, mentor engineers, collaborate with product managers, and deliver enterprise platforms using Java, JavaScript, TypeScript, SQL, AWS, Docker, Kubernetes, and various databases. The role requires staying current with technology trends, applying Agile practices, and supporting regulatory business needs.

Leads software engineering projects and developers building distributed microservices and cloud-based solutions. Collaborates with product managers, mentors engineers, evaluates or writes code, and applies Java, Python, SQL, Node.js, Go, Scala, databases, Docker, Kubernetes, and cloud technologies including AWS. The role addresses regulatory needs and supports financial products serving millions of customers.

Lead the technical direction and architecture of the Foundations platform team, owning authentication, authorization, SSO, secrets management, tenancy, and core platform services. Design APIs, drive services through launch, make technical decisions, establish engineering standards, and mentor engineers without formal management authority. Partner with engineering and product leaders to align execution with priorities.

Build and maintain scalable Java backend services for internal platforms, integrating with Salesforce and other distributed systems. Design APIs, data flows, and event-driven architectures; write tested, maintainable code; troubleshoot complex integrations; and improve reliability, observability, performance, and CI/CD practices. Contribute to internal web applications and Salesforce development as needed. Collaborate with engineers, product managers, technical program managers, and business teams in an agile environment. This is a US-based remote role.

Build and maintain metadata capture, transformation, and delivery pipelines for a data management platform. Develop backend services with Python, Java, and Node.js; integrate relational databases and REST APIs; implement Terraform infrastructure; and support GitLab CI/CD. Optimize distributed systems for performance, reliability, scalability, and secure asynchronous processing. Write automated tests, troubleshoot services using operational metrics, and contribute to AI/ML metadata pipelines, search, data lake, and LLM-powered initiatives.

Build and operate full-stack applications and AI-facing features for CoreWeave’s internal data platform. Responsibilities include developing TypeScript, React, Next.js, and Python services; designing APIs and relational data models; integrating analytical data platforms; deploying on Kubernetes; and owning production reliability, testing, observability, and on-call support. The role also involves collaborating with non-engineers to define processes, shipping LLM-backed applications, and evaluating AI output quality.

Leads Android software engineering for JPMorganChase’s payment technology team. Responsibilities include designing, developing, testing, debugging, and maintaining secure, scalable mobile applications; reviewing code; improving operational stability; and guiding responsible AI-assisted engineering practices. The role requires Android development with Kotlin, Jetpack Compose, Coroutines, REST, JSON, RxJava, MVVM, MVI, and automated testing, along with technical leadership and collaboration across vendors and internal teams.

Design and implement Android features from design through launch, optimize mobile UX and performance, perform code reviews, evaluate technical tradeoffs, and use AI tools to streamline development while maintaining security and production-quality code.