Top Senior Software Engineer Jobs

Design and maintain scalable backend services, driving engineering excellence and collaborating with cross-functional teams to enhance platform capabilities.

As a Senior Software Engineer, you will lead user-experience improvements, drive A/B testing, mentor team members, and develop scalable solutions to enhance customer onboarding and success.

The Senior Software Engineer will design, build, and maintain scalable backend services, enhance existing platform capabilities, and collaborate on technical projects across teams.

Lead architectural decisions, mentor engineers, and drive technical strategies for scalable software systems, focusing on high-quality solutions and system health.

As a Distinguished Engineer, you will lead technical projects, mentor engineers, promote innovation, and provide strategic solutions for complex problems within Capital One's cloud banking environment.

As a Senior Software Engineer, you will develop backend services for commerce, ensuring secure payment processes and system reliability, while leading cross-functional technical efforts.

Lead frontend architecture and implementation for patient and provider web experiences at scale. Build accessible, performant realtime UIs, own end-to-end delivery, improve observability and reliability, contribute to technical roadmap, collaborate with PMs and designers, participate in on-call rotations, and drive engineering best practices.

Lead zero-to-one product development while shaping Unify’s product roadmap and engineering foundation. Build scalable AI-powered products using TypeScript, Prisma, Temporal, PostgreSQL, Kubernetes, Pulsar, ClickHouse, and LLMs. Evaluate technology platforms and vendors, establish engineering standards, manage infrastructure, deliver high-quality products at scale, and mentor multiple engineers while collaborating closely with founders, product, design, and engineering teams.

Lead and maintain production and test software for high-volume defense manufacturing. Troubleshoot factory-floor issues, optimize build/test systems, integrate with hardware, and ensure reliable verification tools supporting critical programs.

Own architecture and technical direction for Headway's Journey communications platform: design the decision engine, experimentation layer, channel orchestration, unified message ledger, and productionize LLM-powered personalization across multi-vendor delivery systems to improve patient and provider engagement.

Lead design and build of a versioned external booking API and core booking domain. Ensure transactional correctness, prevent oversells, handle retries and failures, create reusable connectors to PMS/POS, set reliability targets, and operate the platform with observability, tests, and runbooks while mentoring engineers and delivering partner integrations.

Lead a software team to architect, develop, and sustain MILSATCOM and NC3 web-based applications. Interface with DoD stakeholders, provide training and demos, mentor staff, design web architectures, implement secure CAC authentication, maintain SQL databases and IIS servers, manage Jira/Confluence workflows, and produce management reporting. Position is onsite with under 10% travel.

Lead technical design, build, and operate scalable, secure healthcare integration systems. Drive architecture, event-driven distributed systems, APIs, observability, IaC, CI/CD, incident response, cross-functional delivery, and mentor engineering teams.

Develop and maintain customer-facing and internal APIs for large location-intelligence datasets. Translate business needs into technical solutions, design Snowflake data structures and efficient SQL queries, build tested applications, document systems, and support production deployments. Collaborate with product and engineering teams, use AWS and multiple programming languages, create data visualizations, participate in Agile development and on-call rotations, and apply generative AI while maintaining security and privacy standards.

Build, maintain, monitor, and scale enterprise platform services spanning IAM, communications, payments, and API gateways. Design highly available and fault-tolerant products, evaluate technical tradeoffs, contribute to platform roadmaps and technical strategy, and collaborate with product, architecture, and design teams. The role also mentors engineers, promotes software quality and operational excellence, and applies backend platform engineering, API, messaging, DevOps, and AI-assisted development expertise.

Lead frontend software engineering projects for Procore’s Construction Financials division. Build scalable, performant features, improve frontend architecture, establish development standards, maintain shared libraries, and collaborate with engineering, product, UX, infrastructure, and platform teams. Mentor junior engineers and contribute across development, testing, deployment, monitoring, and incident response while using modern web technologies and AI-assisted development workflows.

Build OpenArt’s enterprise AI platform for teams and organizations. Responsibilities include developing workspaces, RBAC, SSO/SAML, audit logging, usage-based billing, invoicing, payment integrations, scalable APIs, multi-tenant architecture, and polished React/Next.js administration experiences. The role also involves improving security, data isolation, reliability, and SOC 2 groundwork; partnering with founders, sales, and customers; making infrastructure decisions; and establishing enterprise engineering practices as the first hire.

Design, develop, test, deploy, and maintain Neighbor.com's marketplace. Produce high quality software and manage project priorities and deadlines.

Design, develop, and support scalable backend systems for Scout’s digital products, including identity, access, and profile services across web, mobile, and vehicle applications. Collaborate with cross-functional teams, contribute to architecture, implement development best practices, provide 24/7 service ownership, and mentor engineers. The role requires hands-on technical leadership, strong backend development experience, database expertise, and proficiency in a supported programming language.

Own major features across iOS and Android, including real-time audio capture, AI-powered interactions, performance optimization, offline support, synchronization, security, and scalable mobile architecture. Partner with product, design, and ML teams to deliver reliable mobile experiences. Provide technical leadership through mentoring, code reviews, hiring, and engineering standards.

The Advisor Lab Automation Software Engineer will design and implement software integrations for lab automation, focusing on AI-driven processes, while providing technical leadership and mentoring.

Build, enhance, and maintain web applications using JavaScript/CSS/HTML and modern frameworks; collaborate with designers, backend engineers, and data scientists; interact with REST APIs; troubleshoot customer issues; perform code reviews, write unit tests, and conduct QA.

Senior Full Stack Software Engineer responsible for developing Java Spring Boot microservices and cloud-based full-stack applications. Work includes Python for AWS automation, building REST APIs, implementing CI/CD with Maven/GitLab/GitOps, and collaborating in Agile teams to sustain mission-critical government systems.

Build, enhance, and maintain web applications; implement JavaScript/CSS/HTML; collaborate with designers, backend engineers, and data scientists; define and consume REST APIs; troubleshoot user issues; write unit tests and conduct QA.

Support a U.S. Government customer by researching, developing, installing, integrating, evaluating, enhancing, testing, validating, sustaining, and troubleshooting cloud-based mission software and systems. Perform requirements analysis and provide engineering services for cloud, big data, and analytics solutions in an Agile environment.