Top Senior Software Engineer Jobs

Design, develop, and maintain full-stack applications while providing mentorship, collaborating with teams, and optimizing performance.

The Lead Software Engineer will oversee architecture and design of platform services, drive technical strategy, mentor engineers, and enhance scalable, robust digital experiences at Salesforce.

The Fullstack Engineer will lead product development, contribute to team dynamics, and utilize a diverse tech stack, prioritizing curiosity and ownership.

Senior generalist backend engineer to design, build, and ship backend features end-to-end, write well-tested code, improve systems and developer experience (CI, tooling), collaborate on product requirements, and participate in on-call incident response and postmortems.

Senior backend generalist responsible for designing, building, and shipping backend features end-to-end. Improve systems, testing, CI/tooling, and developer experience. Participate in on-call/incident response and collaborate with product and engineering.

Lead design, build, and operate scalable, event-driven backend services (Node.js/TypeScript, Python). Ship end-to-end product features including frontend work, integrate LLMs reliably, improve CI/CD and developer tooling, drive system reliability, and mentor engineers while making architectural decisions.

Design, build, and operate scalable backend microservices (Node.js/TypeScript, Python/FastAPI) using event-driven patterns (Kafka) on AWS. Ship end-to-end product features including LLM integrations, improve CI/CD and developer tooling, lead architecture and mentor engineers, and drive reliability, observability, and automation for a growing platform.

Own and harden the sale write path, payments integrations, database fleet, and observability stack. Drive reliability, idempotency, transactional correctness, performance tuning on Postgres, Datadog instrumentation, caching strategy, and architectural patterns for offline-resilient multi-location POS. Partner across teams and productionize AI-agent assisted code and standards.

Build payroll, bill-pay, bank-embedding, and accounting integrations. Design auditable double-entry ledgers, idempotent payment execution, reconciliation, and financial-correctness patterns. Collaborate with Platform Engineering and merchants, debug production discrepancies, and productionize AI-agent-assisted code.

Lead mobile and serverless architecture, improve performance and integrations, define engineering standards and hiring criteria, collaborate on AI-driven features, and deliver scalable pricing and marketplace integrations.

Design, build, and maintain scalable full-stack web applications. Implement backend APIs and responsive frontends, deploy to cloud, ensure security/performance, write tests, debug issues, participate in reviews, and mentor junior developers.

Hands-on senior full-stack engineer building and supporting user-facing features, infrastructure, and AI-powered workflows (LLM integration, RAG, agents). Drive architecture, dev experience, CI/CD, and partner with product and program teams to deliver a scalable education platform.

Build and ship end-to-end features across a React + Vite frontend and Node/Express + TypeScript backend. Integrate institutional data (Postgres, DuckDB) with model inference, create AI agent interfaces, maintain low-latency queries, and deliver reliable, observable production services and internal tooling.

Lead a greenfield rewrite of a cross-platform desktop client in Rust, owning architecture, implementation, release engineering, testing, and maintenance across macOS, Linux, and Windows. Solve deep sync, filesystem integration, secure auto-updates, and E2EE integration while defining CI/CD, observability, and quality standards. Collaborate with product, security, and backend teams and use AI-assisted development tools to accelerate delivery.

Lead end-to-end engineering initiatives across the platform: design and build scalable backend services, APIs, and frontends; prototype quickly; iterate from user feedback; apply AI tooling to improve velocity; own production systems and architectural decisions.

Design, develop, test, deploy, and maintain backend systems for StubHub's Sponsored Listings ad platform. Provide technical leadership, translate product requirements into engineering plans, ensure stability and reliability, own projects end-to-end, and mentor junior engineers.

Develop and maintain R&D and production software for next-generation radar products, integrate software on COTS hardware, support deployed capabilities for U.S. and international customers, and collaborate on-site in Los Angeles following Agile, CI, and TDD practices.

Develop responsive, user-facing web application components for a centralized AI/ML annotation and model repository. Translate UI/UX designs to interfaces, integrate with backend services via REST/GraphQL, implement performance and security best practices, and author frontend tests and automation. Participate in Agile development and collaborate with end users and designers while maintaining operational systems.

Design, develop, and support scalable cloud-native full-stack applications using Node.js/TypeScript, Svelte, and Rust. Manage PostgreSQL databases, Linux servers, Kubernetes/ECS deployments, and AWS services. Provide technical leadership, mentor engineers, drive architecture and CI/CD, troubleshoot production issues, and collaborate with cross-functional teams to deliver reliable SaaS features.

Design, develop, and test complex web software and systems. Provide technical guidance, participate in architecture decisions, conduct code reviews, ensure code quality, mentor team members, and collaborate cross-functionally to deliver high-quality solutions.

The role involves architecting and implementing LLM-powered tools to enhance developer productivity, automate mundane tasks, and establish best practices for AI integration in development processes.

Design, build, test, deploy and maintain full-stack features for seller-facing systems. Collaborate on architecture and best practices, own projects end-to-end, and mentor junior engineers to improve team capability.

Build and maintain backend services for the Training Data Storefront (TDS): design and implement features, RESTful APIs and streaming services, optimize performance, use Python, Docker, Kubernetes and AWS, follow SDLC best practices, mentor teammates, and work directly with end users in an Agile environment.

Design, develop, and maintain full-stack web applications and scalable backend services for a DoD/IC Training Data Storefront. Implement responsive frontends, Python-based APIs, containerized deployments on AWS, and ensure performance, security, and test coverage while collaborating in an Agile team.

Design and implement advanced digital signal processing and machine learning algorithms for radar, EW, SIGINT, and RF geolocation; prototype and transition DSP/ML models to real-time, field-ready software across on‑premises and cloud environments in support of US intelligence and defense missions.