Top Senior Software Engineer Jobs

As a Sr. Software Engineer, you will design and develop backend services, APIs, and infrastructure for broker integrations, collaborating closely with cross-functional teams.

The role involves developing and optimizing NT Connect's web platform, creating APIs, collaborating on frontend design, and ensuring high-performance integration for trading partners.

Design, develop, and maintain Scala/Akka-based low-latency trading systems on Kubernetes/GCP. Architect scalable, resilient backend services, integrate market data feeds, implement monitoring/observability, troubleshoot distributed systems and networking, and deliver end-to-end production software collaborating with product and engineering teams.

As a Senior Software Engineer, lead technical strategy, build AI-optimized systems, mentor engineers, and ensure data privacy and security.

Design, develop, test, and maintain complex software components for Mastercard's Decision Management Program. Act as a technical leader: drive code quality, system design, integrations, automation, deployments, and operational improvements. Mentor teammates, contribute to agile processes, and promote reusable patterns and standards. Troubleshoot and refactor code, participate in prioritization, demos, and acceptance activities, and adopt new languages and architectures as needed.

As a Senior Software Engineer, you'll design, develop, and maintain full-stack applications, utilizing TypeScript and modern frameworks while collaborating cross-functionally to enhance user experience and performance.

Build and maintain core game engine systems (memory management, asset loading, threading), improve internal build tools and CI/CD, profile and optimize performance-critical code, collaborate with cross-functional teams, and contribute to long-term technical roadmaps and engineering best practices.

Lead design and implementation of GPU-accelerated libraries and integrations for Apache Spark. Develop Java/Scala and CUDA/C++ components for I/O and DataFrame operations, enable interoperability with table formats and metastores, contribute to open source projects, collaborate on distributed systems at scale, and optimize cross-platform CUDA/C++ libraries and CI/testing infrastructure.

As a Staff Software Engineer at NexHealth, you will design and build scalable software to improve patient experiences and partnerships in healthcare. You'll own projects end-to-end and collaborate with teams to address innovative challenges.

As a Senior Software Engineer, you'll build customer-facing software, solve high-impact healthcare challenges, and lead cross-functional projects from design to launch.

Design and develop complex software solutions for semiconductor equipment, lead projects, define specifications, troubleshoot software problems, and communicate with customers.

Design and implement front-end features and integrate with back-end services. Use Java and modern JavaScript (ES6+), React or Lit, Bootstrap responsive designs, REST/GraphQL integrations, Git version control, and front-end testing tools. Optimize performance, ensure secure communications, and collaborate with UI/UX designers to transform wireframes and prototypes into high-quality user experiences.

The Cloud Software Engineer develops and enhances Big-Data Cloud systems, contributing to back-end processing and system design while providing expert knowledge in cloud and distributed computing.

Develops and enhances Big-Data Cloud systems, contributing to back-end processing and software design, while ensuring adherence to requirements and conducting testing.

As a Software Engineer at Flipturn, you'll build features for EV charging platforms, leading projects, gathering user feedback, and shaping engineering culture.

Architect and build scalable, high-performance dashboards with TypeScript and React using shadcn/ui. Implement advanced state management and real-time GPU telemetry visualizations, enforce frontend standards (accessibility, testing, documentation), integrate with backend APIs, collaborate with designers, and mentor junior engineers.

As a Senior/Lead AI Software Engineer, you will develop intelligent agents for supply chain tasks, drive architectural decisions, lead technical strategies, and collaborate across teams while mentoring engineers.

Seeking a Device Abstraction Software Engineer to design, develop, implement, and test complex software systems for the ISR community using C++ and Python in a team environment.

As a Senior Full Stack Software Engineer at Doxel, you will design and develop applications for project management, focusing on complex data handling and intuitive UI. Your role involves collaborating across teams and providing technical leadership in software projects.

As a Senior Full Stack Software Engineer, you will design, build, and operate services and user interfaces for Nordstrom's product data ecosystem, focusing on microservices and React applications to manage catalogs and data integrity.

Build and ship end-to-end frontend features for Muon Space's Mission Command platform in a TypeScript monorepo. Collaborate with backend and product teams, participate in design and code review, maintain CI/CD and static analysis practices, and support post-launch observability, reliability, and performance for mission-critical web applications.

Design and implement high-performance, data-dense real-time GUI applications for traders. Focus on low-latency rendering, graphics pipelines, efficient data delivery to browsers, cross-stack work, performance tuning, and mentoring teammates while shaping architecture and best practices.

Lead technical direction and execution for Code Plane products (Batch Changes, Agentic Batch Changes, Code Monitors, Code Insights, src CLI). Translate customer feedback into roadmap, ship agent-focused features, mentor engineers, own architecture and quality, participate in on-call, and partner with Product, Design, and Customer teams to deliver scalable AI-agent developer tools.

The Senior Full Stack Software Engineer will build responsive web applications, ensure security and performance, and improve user workflows. Engage in cross-functional product development and maintain coding standards through reviews and knowledge sharing.

Design, build, and maintain scalable backend services in Node.js/TypeScript. Collaborate with product and engineering teams, resolve production issues, contribute to architecture and testing, and improve system reliability and code quality across microservices and hardware-integrated systems.