Top Senior Software Engineer Jobs

Design and improve distributed cloud systems, infrastructure, and software used across Microsoft products. Lead technical initiatives, mentor engineers, establish engineering standards, improve architecture and operations, and support testing, incident response, and on-call activities. Apply MLOps and AI-powered automation to increase reliability, security, quality, and operational autonomy across Azure.

Provides technical leadership for a digital commerce platform, defining architecture roadmaps and modernizing eCommerce systems through headless commerce, cloud-native architectures, AI, and microservices. Designs scalable APIs and integrations, establishes engineering standards, leads complex initiatives, evaluates third-party technologies, and improves reliability, security, performance, observability, and operational excellence. Mentors engineers and managers while partnering cross-functionally to deliver secure, high-performing commerce experiences.

Architect and build high-throughput backend systems for Filevine’s legal technology platform using .NET, DDD, event sourcing, MartenDB, Wolverine, and PostgreSQL. Own features end to end, including domain modeling, APIs, testing, observability, CI/CD, and production monitoring. Mentor engineers, optimize system resilience and performance, and collaborate with product, UX, and legal experts to translate complex workflows into scalable software.

Build and own core full-stack product features for a civic-tech HR platform used by local governments. Responsibilities include designing data models, backend APIs, React interfaces, AI and LLM-powered workflows, data ingestion pipelines, observability, testing, and CI/CD. The role requires architectural ownership, strong product judgment, independent execution, and collaboration with founders in an early-stage startup.

Design and improve distributed cloud systems and infrastructure supporting Azure Reliability and AI-powered operations. Lead architecture, coding, testing, incident response, and operational improvements while mentoring engineers and establishing engineering standards. Apply expertise in scalable cloud components, MLOps, security, reliability, and responsible AI to resolve major incidents and deliver reusable solutions across product teams.

Designs, develops, tests, integrates, and leads delivery of next-generation distributed storage platforms. Collaborates with firmware, hardware, and Storage OS teams; oversees internal and outsourced development partners; reviews architectures and designs; drives technology integration; ensures testing quality; and mentors less-experienced engineers. Requires low-level C and Rust programming, embedded systems expertise, and knowledge of SAS and NVMe protocols.

Lead the technical direction of Samsara’s shared geospatial platform. Build scalable data ingestion and processing pipelines, map data models, spatial services, routing and map-matching foundations, and reusable APIs. Scale storage, queries, and computation for real-time products, consolidate fragmented geospatial solutions, develop customer self-service capabilities, and provide mentorship through code reviews and design leadership. Collaborate across teams and represent Samsara in the mapping and geospatial community.

Build and improve Mozilla’s Firefox Add-ons platform, including moderation pipelines, reviewer tools, DevHub, and full-stack features. Develop React/TypeScript frontends and Django/MySQL backends, improve reliability through Google Cloud deployments, monitoring, and incident response, and create observability and security systems. Collaborate with product, design, QA, reviewers, developers, and open-source contributors while responding to platform incidents and supporting ecosystem safety.

Own end-to-end system design, API contracts, technical direction, and cross-team delivery for platform engineering systems. Coach engineers through reviews and pairing while remaining hands-on with coding, operations, monitoring, incident response, and on-call responsibilities. Improve CI/CD, observability, testing, and documentation. Relevant domains include data engineering, automation, developer tooling, AI enablement, and product engineering.

Build and maintain highly scalable ingestion pipelines and indexing solutions for semantic search and LLM grounding across enterprise M365 data. Design, implement, test, and operate low-latency, high-availability services while ensuring security, compliance, and integration with other engineering teams.

Build, enhance, modernize, test, deploy, and sustain enterprise Java and Spring Boot applications supporting DoD financial and program management. Responsibilities include full-lifecycle feature ownership, Oracle schema and SQL development, Angular contributions, CI/CD pipeline delivery, security scanning, defect investigation, architecture participation, code reviews, and secure cloud deployment. The role requires evaluating existing systems, applying sound technical judgment, and meeting federal security and compliance requirements.

Build and sustain enterprise Java applications for DoD financial and program management. Own capabilities across requirements, architecture, API development, database design, testing, CI/CD deployment, security, and production sustainment. Work across Spring Boot, Angular, Oracle, SQL, and cloud environments while investigating defects, reviewing code, using AI-assisted tools responsibly, and contributing to agile delivery. Seven or more years of software development experience, a technical bachelor’s degree or equivalent experience, Security+ certification, U.S. citizenship, and Secret clearance eligibility are required.

Own the architecture and development of data-intensive web applications powering customer insights. Provide hands-on technical leadership, mentor engineers, conduct architecture and code reviews, resolve complex distributed-system issues, and deliver performant, maintainable data products. The role involves ETL and/or RAG development, full-stack work across React, TypeScript, Next.js, PostgreSQL, and C#/.NET, with opportunities to operate cloud infrastructure and observability systems.

Develop and maintain enterprise Java/JEE applications throughout the full software development lifecycle. Responsibilities include database architecture and SQL performance tuning, REST/SOAP and distributed service integration, Kafka-based event systems, security implementation, monitoring, JVM optimization, troubleshooting, documentation, code reviews, and collaboration with infrastructure, database, and business teams. The role is onsite five days per week near Austin, Texas, supporting semiconductor operations.

Build and own software for marina operators and boaters across reservations, payments, CRM, work orders, accounting integrations, and mobile applications. Responsibilities span scoping, design, implementation, deployment, maintenance, and improving a legacy system handling live payment traffic. The role requires full-stack development, AI-assisted engineering, product judgment, clear communication, and ownership of customer outcomes in a lean team.

Designs, develops, integrates, and verifies complex embedded real-time software for mission-critical electronic platforms. The role independently solves technical challenges, makes program-level decisions, leads software development efforts, and collaborates with systems, hardware, test, program management, and external stakeholders. Responsibilities span software architecture, implementation, integration, verification, lifecycle compliance, technical representation, and delivery of maintainable, high-quality solutions.

Designs, develops, tests, deploys, and maintains big data software systems processing network, DNS, and web content data. The role requires Java or Python development, distributed systems, data storage, performance tuning, testing automation, CI/CD, cloud-native architectures, incident response, and technical leadership in an Agile environment.

Design and evolve reliable edge computing systems connecting cameras, sensors, deployed hardware, and cloud infrastructure. Responsibilities include architecture, distributed systems, diagnostic tooling, remote troubleshooting, sensor-fusion problems, code reviews, technical design discussions, and mentoring engineers. The role requires hands-on systems expertise across Linux, networking, hardware, and software, with ownership of ambiguous technical initiatives from conception through delivery.

Design, develop, verify, and maintain software for CT imaging systems, including scanner desktop applications, clinical workflows, integrations, and platform services. Lead complex feature development, architecture discussions, testing, debugging, root-cause analysis, and corrective actions. Apply Agile, CI/CD, DevSecOps, cybersecurity, and medical-device quality practices. Improve automation, performance, reliability, and code quality while mentoring junior engineers and owning features throughout the full software lifecycle.

Provides hands-on technical leadership modernizing legacy .NET systems into scalable, cloud-native applications. Designs APIs, modular services, data-access patterns, and resilient architectures for high-volume operational workflows. Leads technical discovery, improves observability, security, performance, and maintainability, and mentors engineers through design and code reviews. Collaborates with Product, Architecture, Infrastructure, Security, Data, and Operations teams to deliver reliable, compliant solutions.

Designs, develops, modernizes, and supports enterprise applications using Angular, Blazor, C#, .NET, REST APIs, and Azure. Responsibilities include cloud modernization, production support, incident response, code reviews, CI/CD support, architecture, troubleshooting, and mentoring junior engineers. The role collaborates with business analysts, product owners, QA professionals, and engineering teams to deliver reliable, maintainable business-critical software.

Develop core Roku OS application framework features and scalable services using C++ and embedded Linux. Collaborate with product, design, platform, and release teams; maintain and test applications; diagnose platform issues; design APIs and software solutions; and implement functional and integration tests.

Lead full‑stack development of customer‑facing features, own product lifecycle from design to release, build scalable AI‑enabled back‑end systems on AWS, improve CI/CD and testing, collaborate with product, design, and ML researchers, and ensure security and privacy best practices.

Build large-scale advertising technology, reporting tools, data pipelines, REST services, and cloud-based systems. The role spans UI through infrastructure and deployment, requiring DevOps practices, distributed computing, big data processing, and collaboration with customers, engineering teams, and business partners. The engineer will participate in architecture discussions, influence product roadmaps, and own end-to-end technical solutions.

Develop and operate large-scale AWS cloud services powering Roku content discovery. Design low-latency, resilient systems; select databases and storage across regions; optimize cloud costs; implement Redis and Memcached caching; and monitor, deploy, troubleshoot, and maintain production systems end to end.