Top Senior Software Engineer Jobs

Senior software engineer responsible for architecting and implementing high-scale distributed systems, leading small engineering teams, mentoring junior engineers, and delivering reliable cloud-deployed services using Python, container orchestration, and CI/CD best practices.

Build systems to stream and translate Unity content into other renderers while preserving visual fidelity and performance. Design compact scene-state representations, compression strategies, and stable, scalable rendering pipelines. Profile and optimize end-to-end rendering for high framerates, tackle shader translation and resource lifetime, and work across graphics, networking, distributed systems, and AI-assisted workflows.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines. Own C++ runtime and C# APIs across editor, build, simulation, streaming, and playback. Optimize for low-latency, determinism, memory and bandwidth constraints, and build AI interfaces for inspecting and invoking engine state.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

Design and implement high-performance C++ backend systems for defense autonomy products (Axion and Acuity). Build scalable, reliable infrastructure for contested and degraded conditions, partner with researchers and customers to translate mission needs into software, and own architecture through deployment. Contribute to site buildout and interface with DoD programs.

The Staff Software Engineer will architect and implement core services and systems, provide technical leadership, and mentor engineers while focusing on scalable, high-performance software development.

The Senior Software Engineer will develop APIs and microservices for Disney's commerce platforms, collaborating with product teams and overseeing the end-to-end software development lifecycle.

Design and implement manifest-driven provisioning and reconciliation systems for GPU hosts and clusters. Build durable workflow engines, declarative self-service APIs, event-driven automation, self-healing pipelines, and production-grade control planes. Own coding, testing, CI/CD, and operate the platform in production to eliminate manual provisioning.

Design, develop, test, and maintain high-quality software. Write clean code, participate in unit/integration testing and code reviews, document systems, troubleshoot issues, estimate tasks, and communicate progress across teams.

Build and maintain full-stack features for Marine and RV & Camping platforms, use AI-assisted tools responsibly, collaborate across teams, reduce technical debt, troubleshoot issues, mentor engineers, and write automated tests to ensure production reliability.

Lead technical design, development, enhancement, and support of critical mainframe applications. Serve as individual-contributor technical lead, own technical decisions, ensure SDLC governance, drive modernization, CI/CD adoption, testing strategy, performance tuning, and production readiness while collaborating with business, architecture, security, and operations teams.

As a Senior Software Engineer, you'll design and deploy scalable software systems for defense missions, focusing on integration tools and backend development.

Lead design, development, and deployment of full-stack and high-performance desktop applications. Architect user-centric systems spanning graphical interfaces, native execution engines, and hardware control. Implement message-based networking APIs, optimize system performance, and collaborate with product, design, and cross-functional teams to deliver responsive, high-quality features.

Design, build, and scale full-stack web applications and backend services using React and Node.js. Produce production-ready features, own end-to-end delivery, review code, mentor junior engineers, document technical decisions, and ensure quality via testing and QA processes.

Design, build, test, and own scalable full-stack features and services to prevent fraud. Lead API and system design, ensure production readiness, improve observability and resiliency, conduct root-cause analysis, enforce secure coding practices, mentor engineers, and collaborate with product, UX, and risk stakeholders to deliver customer-centered solutions.

Provide technical leadership for enterprise software projects: design and implement features, ensure code quality and architecture, oversee vendor work, monitor KPIs, drive automation and testing, mentor engineers, and partner with business and IT to deliver cloud-based healthcare solutions.

Lead frontend architecture and rendering for a large-scale real-time collaborative whiteboard. Define performance standards for frame rate, memory, and latency. Design distributed state management using CRDTs/OT, investigate performance with browser profiling, drive architectural reviews, mentor engineers, and collaborate with backend, design, and PM partners to turn technical constraints into product decisions.

Lead backend engineer to design, build, and re-architect GEICO's billing platform (billing engine, invoicing, payments, collections, commissions, CRM/subscriptions). Own system design, quality, performance, and scalability; provide technical guidance across billing teams, identify and mitigate risks, collaborate with product/design, and mentor engineers.

Build and maintain full-stack features for a React/TypeScript frontend and NestJS/TypeScript backend, integrate LLM-powered conversational agents, design APIs, auth (SSO/SAML), real-time updates, background processing (AWS SQS), database schemas (PostgreSQL/Sequelize), API docs (Swagger), and tests (Jest/pytest). Collaborate on architecture, code review, and production support.

Design, build, and operate backend APIs and services powering products, partner integrations, and AI agents. Own services end-to-end, set API standards, improve developer experience, ensure observability and reliability, mentor engineers, and partner with security to maintain compliance.

Senior full‑stack engineer to build and deploy TypeScript/React/Node.js web applications, integrate RESTful APIs and databases, ensure strong UI/UX, containerize deployments, work with end users to refine requirements, and support mission customers with occasional on‑site deliveries. Active Top Secret clearance required.

Design, build, and maintain cloud-native backend applications using C#/.NET on AWS. Leverage Claude for AI-assisted coding, participate in design and code reviews, improve performance and reliability, and mentor engineers while collaborating across product and architecture teams.

Design, build, and lead development of scalable production systems across multiple teams. Own technical direction, review and mentor engineers, troubleshoot high-impact issues, and improve team practices and infrastructure to support campus and ministry platforms.

Design and build enterprise, mission-critical Java microservices and data-flow solutions. Lead multiple mid-to-large projects, integrate observability and dashboards, collaborate across teams, and support deployment and networking requirements while maintaining required security clearances.

Senior backend-focused engineer to provide technical leadership across backend, APIs, and data pipelines. Collaborate with product, design, and stakeholders, author documentation, and drive engineering best practices on a distributed remote team building scalable energy software.