Top Software Engineer Jobs

Design and implement foundational data systems for AI, focusing on efficiency and performance at scale. Collaborate on systems that optimize data handling and contribute to research advancements.

The Senior Staff Software Engineer will lead the architecture and implementation of AI-powered developer tools and workflows in a cloud environment. Responsibilities include mentoring, driving innovation, managing project delivery, and fostering a culture of continuous improvement.

The Senior Software Engineer will design and implement real-time software solutions, enhance software architecture, and support customer engagement in advanced sensor systems.

Design and develop real-time software for RF sensor systems, optimize processing pipelines, and integrate algorithms into production-ready software.

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

As a Senior Software Engineer, you will design and implement software solutions, support integration and testing, and collaborate across teams to address national security challenges.

The Senior Software Engineer will lead software development for advanced data communications and networking solutions, utilizing strong programming skills and collaboration with a research team.

The role involves designing, implementing, and testing software solutions for advanced data communications. Candidates will lead projects, mentor junior engineers, and optimize designs based on collaboration in a fast-paced environment.

The Lead Software Engineer will design, implement, and test software for advanced data communications and networking solutions, mentor junior engineers, and lead technical discussions in a fast-paced environment.

As a Senior Software Engineer, you will design and implement algorithms for prototype systems, collaborate with teams, enhance software architecture, and support testing and customer engagement.

The Senior Software Engineer develops innovative software solutions focused on estimation theory and machine learning while collaborating with multidisciplinary teams.

Lead technical direction and architecture for US and Canada regional customer experiences. Drive cross-team initiatives, mentor engineers, elevate reliability/observability/security, and embed AI-native practices. Stay hands-on in TypeScript, React/React Native, Java/Kotlin, and Go while partnering with product, design, and analytics to shape roadmaps.

Build reusable, scalable front-end and full-stack features (React Native, TypeScript, Go/Java/Kotlin, AWS). Rapidly prototype, collaborate with product/design/analytics, contribute to architecture, code reviews, mentoring, and deliver highly reliable, customer-centric remittance experiences.

As a Senior Software Engineer, you will enhance data pipelines, integrate with EHR systems, and mentor fellow engineers while ensuring scalable and reliable solutions for health technology.

The Senior Software Engineer will design and develop calculation and allocation systems, ensuring correctness and scalability, while collaborating with teams to translate complex financial workflows into software solutions.

Design, build, and operate full‑stack identity web and mobile experiences (login, signup, account management). Own end‑to‑end delivery, including API and GraphQL schema design, component-driven UIs, testing, monitoring, reliability, and production debugging while collaborating with product, design, and platform teams.

Drive front-end development for customer-facing web and mobile experiences. Lead feature delivery from concept to production using React, Next.js, TypeScript, Svelte, and Tailwind. Troubleshoot integrations, write unit and integration tests, produce technical documentation, collaborate with product/design/data, and use AI tooling (preferably Claude) to accelerate design and implementation.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Design, build, and operate scalable AWS-based backend services and APIs for the Collectors Vault. Own architecture and delivery, improve performance and reliability, mentor engineers, and leverage modern AI tools to accelerate development and engineering velocity.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

Build and operate the Power Packs customer experience and backend services. Design data foundations, APIs, and integrations across platform services. Troubleshoot distributed systems, contribute full-stack plumbing as needed, improve observability and documentation, and collaborate with Product and partner teams to deliver scalable, multi-tenant marketplace capabilities.

Seeking a Senior Software Engineer for Observability to enhance logging, tracing, and metrics systems, ensuring optimal performance and reliability at scale.

Lead technical strategy and architecture for CoreWeave's orchestration platform (SUNK). Own critical orchestration components, drive cross-org initiatives in scheduling, quota enforcement, and hyperscale scaling. Mentor senior engineers, establish reliability and observability best practices, and ensure workloads run reliably and efficiently for large GPU ML training and inference clusters.

Design and implement data platforms, manage data infrastructure, develop streaming architectures, improve performance, and ensure data compliance.

Lead the design and evolution of predictive maintenance platform, build and scale ML-powered features, and mentor other engineers.