Top Senior Software Engineer Jobs

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.

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.

Develop, test, deploy, and maintain research-focused software and data-intensive algorithms. Collaborate with interdisciplinary teams to build scalable, reusable solutions, support faculty/postdocs/students, manage multiple projects, and improve software quality, testability, and fault tolerance. Work independently on design, architecture, and implementation.

Design, develop, and deploy cloud-native, scalable applications and APIs (Python/TypeScript/React) on AWS. Lead full application lifecycle, implement IaC and CI/CD, mentor developers, optimize performance, and integrate microservices. Collaborate cross-functionally and drive code quality and testing best practices.

Design, develop, and support high-performance swaps trading and post-trade systems focused on corporate actions processing. Implement trade capture, booking, validation, lifecycle events, settlements, reconciliations, and event-driven workflows. Collaborate with trading, operations, risk, finance, and technology teams, troubleshoot production issues, and contribute to architecture, code reviews, testing, and engineering best practices.

Develop and scale Pipedream Connect, building API and backend features that integrate Workday and third-party applications. Responsibilities include designing authentication scopes, enterprise account connections, document management, authorization capabilities, and high-volume distributed systems. The engineer will work across Go, Node.js, Rust, Rails, Kotlin, SQL, Redis, and Kubernetes; lead small engineering teams; deliver significant product features; and collaborate on testing, architecture, documentation, and technical direction.

Lead the design, development, and operation of scalable, secure cloud services and Kubernetes infrastructure. Provide technical direction across engineering teams, mentor developers, establish engineering standards, and drive reliability, incident response, automation, cluster lifecycle, workload scheduling, platform efficiency, and multi-tenant systems across commercial and government cloud environments.

Designs, develops, tests, documents, and deploys software enhancements for Clinical Solutions products. The role includes front-end development, API and database work, troubleshooting, release preparation, peer reviews, and application support. It mentors developers, promotes engineering standards, coordinates issue resolution with business and IT teams, and contributes to agile planning. The engineer is also expected to apply AI-first development practices and communicate best-practice technical solutions.

Designs, develops, tests, deploys, and maintains C#/.NET applications, APIs, and services. Translates business requirements into scalable technical solutions, troubleshoots complex issues, participates in code reviews, supports CI/CD, and contributes to secure and reliable software delivery. Provides technical guidance and mentorship while collaborating with engineering, product, and business stakeholders. Preferred experience includes AWS, Docker, Kubernetes, event-driven architectures, automated testing, observability, and modernization of legacy .NET applications.

Senior backend engineer responsible for setting technical direction, designing scalable distributed systems, building customer-facing web applications, mentoring engineers, and applying machine learning to large-scale healthcare data. The role requires Java, Scala, or Rust expertise, cloud systems experience, technical design leadership, cross-functional collaboration, and adoption of agentic engineering practices.

Designs, develops, tests, deploys, and maintains software systems across the full development lifecycle. Evaluates customer requirements, determines technical feasibility, coordinates with engineering teams, communicates directly with customers, and provides ongoing support. The role requires an active TS/SCI clearance, five years of experience, and onsite availability as program needs dictate.

Develop and maintain full-stack applications spanning desktop, web, and backend services. Build multi-tier systems, improve production codebases, and lead automated testing across integration, end-to-end, and performance disciplines. Contribute to architecture and technical direction while supporting cloud-native infrastructure and DevOps practices using Kubernetes, Azure, ArgoCD, Istio, Pulumi, and Terraform/OpenTofu.

Own and scale Zoox’s software systems engineering pipeline ecosystem, including static analysis, sanitizers, CI enforcement, dashboards, and quality metrics. Develop tools and infrastructure, transition prototypes into production systems, troubleshoot cross-platform and determinism issues, support checker rollouts, document system designs, and collaborate with engineering leaders on milestones, incident reviews, and long-term software reliability.

Own the technical foundation for cross-platform marketing tools used by internal teams and external partners. Build React Native mobile apps for iOS and Android, responsive web interfaces, dashboards, server-rendered pages, real-time data systems, third-party CRM and marketing integrations, AI-powered features, and device hardware integrations. Manage full-stack development across frontend, APIs, infrastructure, and observability.

The Staff Software Engineer will architect and manage Poshmark's Android app, collaborate with teams, write and review high-quality code, and drive feature development.

Lead the architecture and evolution of managed Kubernetes and cloud-native services. Provide cross-team technical oversight, standardize platform practices, integrate open-source technologies, improve scale, performance, security, and operational efficiency, and mentor engineering teams. The role requires expertise in Kubernetes-based platforms, container runtimes, cloud-native architectures, and Go, Python, or Bash.

Designs secure REST and message-based interfaces, mission applications, microservices, and data-ingestion pipelines for DIA and intelligence environments. Implements automated DevSecOps testing, DISA STIG compliance, telemetry, performance optimization, and secure inter-service communication. Develops backend systems, conducts code reviews, mentors engineers, and integrates enterprise platforms using message brokers, databases, search indexing, containers, and secure cloud environments.