Top Senior Software Engineer Jobs

Design, develop, and maintain scalable full-stack applications; contribute to architecture, design patterns, code reviews, debugging, and performance optimization. Collaborate with product managers, QA engineers, and stakeholders in Agile development processes. Apply software engineering best practices, stay current with technology trends, and mentor junior developers. The role requires experience with programming languages, front-end and back-end frameworks, cloud platforms, databases, version control, and secure coding.

Designs, develops, and maintains complex full-stack applications; contributes to architecture, design patterns, code reviews, debugging, and performance improvements. Collaborates with product managers, QA engineers, and stakeholders in Agile delivery processes. Maintains coding standards, stays current with technology trends, and mentors junior developers while delivering scalable, high-quality software solutions.

Owns end-to-end development of features for an enterprise public budgeting platform while modernizing a legacy monolith toward AWS. Responsibilities include requirements clarification, design, implementation, testing, code review, production support, and technical documentation. The role develops with C#, VB.NET, .NET Framework, SQL Server, ASP.NET, Telerik UI, and jQuery; mentors junior developers; collaborates with product and design teams; and uses AI coding assistants responsibly.

Develop and support secure, scalable backend applications using C# and .NET. Lead feature development and medium-to-large initiatives, troubleshoot complex technical issues, contribute to architecture, maintain technical documentation, and improve system performance and reliability. Collaborate with QA, Product, and DevOps teams, conduct code reviews, and mentor junior and mid-level engineers while supporting existing applications and evaluating new technologies.

Designs, develops, tests, deploys, and modernizes secure enterprise software, APIs, microservices, and cloud-native applications. Integrates generative AI, LLMs, RAG, and agentic workflows into production systems; supports DevSecOps, automation, monitoring, and sustainment. Builds analytics, forecasting, and decision-support tools for defense aviation, logistics, and supply chain missions. Provides technical leadership, mentorship, stakeholder collaboration, and architectural guidance.

Designs, builds, and maintains large-scale distributed data systems and pipelines supporting blockchain analytics products. The role involves batch and streaming data solutions, cloud infrastructure, workflow orchestration, reliability, observability, cost optimization, peer review, and technical roadmap development. The engineer collaborates across product, data science, blockchain, and intelligence teams while mentoring other engineers and applying AI tools effectively.

Design, implement, test, and deploy high-performance infrastructure for autonomous vehicle software, including logging frameworks, robotics middleware, operating-system components, software deployment systems, and sensor interfaces. Improve system performance, reliability, usability, and safety in resource-constrained environments. Collaborate with autonomy, cloud, and safety teams while applying robust testing, code review, concurrency, and systems programming practices.

Lead the design, development, customization, and modernization of Guidewire Cloud applications across PolicyCenter, ClaimCenter, and BillingCenter. Develop Gosu and Java solutions, integrations, workflows, data models, and cloud upgrades. Manage SQL databases, enforce architecture standards, perform testing and performance tuning, and support application reliability. Mentor developers, collaborate with business stakeholders, translate requirements into technical designs, and contribute to Agile/Scrum ceremonies.

Design and scale backend systems for AI agent orchestration, distributed workflows, experiment management, platform APIs, and developer tooling. Build reliable cloud-native infrastructure, improve observability and performance, partner across engineering and research teams, maintain software quality through testing and continuous delivery, and mentor engineers on distributed systems and backend best practices.

Design and implement scalable, reliable digital storefront systems. Contribute hands-on to front-end and back-end development, CI/CD, container orchestration, observability, and event-driven integrations. Lead architecture decisions, performance optimizations, and mentor peers to deliver customer-focused features.

Lead technical strategy, architecture, and large-scale engineering initiatives for Uber’s Marketplace Segmentation domain. Design resilient, high-performance distributed systems supporting real-time matching, pricing, and marketplace optimization. Mentor senior engineers, establish engineering best practices, solve complex technical challenges, and align Product, Data Science, and executive stakeholders around technical roadmaps and strategic goals.

Architect and scale high-concurrency backend systems for Uber’s financial products. Lead technical direction, system architecture, code reviews, reliability, testing, and maintainability while partnering with product, design, and business leaders. Build globally scalable, secure financial transaction frameworks and mentor senior engineering teams. The role requires 10+ years of software engineering experience and expertise in Go, Java, or C++.

Architect and scale high-concurrency backend systems for Uber’s financial products. Provide technical leadership, guide architecture and code reviews, ensure reliability, champion testing and maintainability, and build resilient frameworks supporting global-scale financial transactions. Collaborate with Product, Design, and Business leadership while mentoring senior engineers and delivering mission-critical financial services capabilities.

Lead architecture and development of automated evaluation frameworks, high-throughput data pipelines, and driving-performance metrics for autonomous vehicle systems. Benchmark partner software against safety and efficiency standards, optimize latency and data fidelity, and build automated validation and release processes for safety-critical systems. Collaborate with partner teams to communicate model and metric capabilities while enabling scalable autonomous vehicle deployment.

Develops software platforms and visualization solutions for autonomous vehicle data. Designs and implements AV data visualization tools, aligns requirements with stakeholders, identifies technical issues, and delivers high-quality solutions using web technologies such as React and JavaScript, along with AV visualization tools including Foxglove and Webviz.

Design, build, and deploy production-grade Java and Python applications with observability integrated throughout. Standardize telemetry using OpenTelemetry, leverage BigPanda and Google Cloud Observability, and develop AI/ML-enabled predictive and self-healing operations. Define SRE metrics, troubleshoot complex systems, lead automation initiatives, and provide technical guidance across engineering teams.

Develop, test, deploy, and document Java or C++ software for space systems supporting real-time situational awareness. Collaborate with systems, hardware, and test engineers across the software development lifecycle, modernize existing capabilities, use automated build pipelines, and take ownership of portions of the codebase. This is a full-time onsite role requiring active TS/SCI clearance, CI polygraph eligibility, U.S. citizenship, and Security+ certification.

As a Senior Software Engineer, you will design and implement EHR integrations, develop API integrations, mentor junior engineers, and build scalable systems for healthcare interoperability.

Design, build, and maintain scalable Salesforce Apex solutions supporting Sales and Customer Experience teams. Use AI coding assistants throughout development, apply Salesforce architecture and release-management practices, deploy with sf CLI, and build reliable production systems at scale. Improve deployed features, measure impact, document code, and contribute beyond Salesforce when needed. Translate ambiguous requirements into scalable technical solutions and business value.

The Principal Engineer will lead technical direction across multiple teams, design architecture for financial systems, mentor engineers, and drive multi-year transformations in the Money Group.

Lead the technical design and architecture of Gusto's Commerce Platform, mentoring engineers and ensuring service reliability while collaborating across teams.

As a Staff Software Engineer, you'll design, build, and test Gusto's core platform services, mentor engineers, and collaborate with various teams to solve complex engineering problems.

Design, implement, and operate the metadata layer for R2 object storage at global scale. Build production services on Cloudflare Workers and Kubernetes, own schema and query patterns for billions of objects, ensure S3 API compatibility, participate in on-call rotations and incident response, and collaborate across teams while leveraging AI tools to accelerate development and operations.

Build APIs, SDKs, adapters, and integration tools for Fabric, a distributed systems platform supporting autonomous vehicles, command-and-control applications, and partner systems. Design interfaces, schemas, and compatibility patterns; develop backend services; integrate across unreliable networks; and improve testing, deployment, observability, and developer tooling. Collaborate with internal teams and external integrators, troubleshoot integration issues, document solutions, and contribute to platform architecture and roadmap decisions.

Design, deploy, enhance, and support secure custom government network platforms and cloud services. Manage CI/CD pipelines, build systems, testing frameworks, distributed databases, and storage ecosystems. Lead technical initiatives, code reviews, security patching, Agile SDLC releases, and system performance improvements. Collaborate with Operations, Engineering, and SRE teams to troubleshoot complex issues and deliver resilient application delivery networks.