Top Senior Software Engineer Jobs

Design, code, test, integrate, and maintain front-end and back-end software for mission-critical systems. Develop interoperable service-based solutions, configure databases, resolve discrepancies, participate in Agile ceremonies and code reviews, and coordinate with stakeholders to meet technical and business requirements. The role supports an NGA national security program and requires active Top Secret clearance with the ability to obtain SCI and a polygraph.

Designs, codes, integrates, tests, and maintains front-end and back-end software for mission-critical systems. Develops service-based architectures using open standards, supports database configuration, resolves discrepancy reports, participates in Agile ceremonies and code reviews, and coordinates with stakeholders. The role supports National Geospatial-Intelligence Agency national security missions and requires an active Top Secret clearance with the ability to obtain SCI and a polygraph.

Lead design and delivery of agentic-first capabilities in Nexus Repository Manager: architect multi-agent subsystems, own product area execution, define verification and eval harnesses, ensure security/reliability for software supply chain features, and mentor senior engineers while coordinating cross-functional stakeholders.

Build and maintain automation, CI/CD pipelines, integration and end-to-end testing frameworks, and deployment processes. Improve system reliability, observability, and operational workflows by eliminating manual processes and implementing scalable solutions. Collaborate across engineering teams to streamline operations and use AI tools to enhance developer productivity.

As a Full Stack Software Engineer, you will develop and maintain robust backend systems using Ruby on Rails, collaborating with cross-functional teams to enhance the real estate platform's performance and user experience.

Leads the design, development, testing, debugging, integration, and optimization of complex aerospace software systems. Defines requirements, documents code, conducts reviews, mentors junior engineers, collaborates cross-functionally, and drives continuous improvements in software quality and performance. The role supports hardware integration and requires work in a hybrid environment with occasional travel, U.S. citizenship, and an active Top Secret security clearance.

Lead design and implementation of scalable, reliable, secure distributed advertising platform services. Drive architecture, partner with PM/Data Science, deliver end-to-end projects, use telemetry and A/B testing, mentor engineers, and influence platform-wide technical direction.

Build and maintain Python-based automation, services, test infrastructure, and performance analysis tooling for a distributed database system. Collaborate with internal stakeholders, improve developer tooling and reproducible testing, analyze system performance, and create documentation and runbooks. The role requires strong software fundamentals, systems thinking, Linux and CI experience, and the ability to learn new languages and systems quickly.

Lead a small engineering team developing and integrating mission autonomy software for Group 3–5 unmanned aerial systems. Responsibilities include autonomy technology leadership, edge-platform software integration, robotics algorithm development, simulation-based validation, proposal and contract support, program milestone management, customer interaction, and R&D roadmap collaboration. The role requires occasional travel and the ability to obtain and maintain a U.S. Department of Defense security clearance.

Develops, maintains, enhances, reviews, and tests complex software systems based on documented requirements. Responsibilities include software design, coding, problem resolution, requirements analysis, technical documentation, readiness reviews, and presentations. The role may involve analytics, algorithm development, large data sets, real-time systems, and business information systems while following government software development procedures.

Leads architecture and development of scalable AI-powered systems across platforms and product lines. Establishes technical strategy, guides AI platform and model lifecycle investments, drives engineering standards for security, performance, and reliability, and evaluates emerging technologies such as LLMs and autonomous systems. Partners with product and engineering leaders, mentors senior engineers, and leads cross-functional initiatives that improve engineering velocity and business outcomes. Requires deep expertise in AI architecture, distributed systems, cloud-native design, and software engineering leadership.

Design, build, and operate scalable account provisioning systems for global communications services. Responsibilities include improving performance and availability, resolving provisioning bottlenecks, participating in architecture and code reviews, collaborating with product and engineering stakeholders, and mentoring less experienced engineers. The role requires developing large-scale distributed systems and maintaining high standards for code quality, testing, documentation, and technical communication.

Develop production-grade robotics perception software for warehouse robots using 3D LiDAR and multisensor data. Own localization, state estimation, obstacle mapping, point-cloud processing, sensor calibration, and integration of machine-learning outputs. Optimize real-time edge-compute pipelines and make system-level architectural decisions for dynamic physical environments.

Lead development of secure modeling and simulation software and platform services in cloud environments. Design DevSecOps pipelines with GitLab CI/CD, manage artifacts through Artifactory, and develop high-performance C++ applications across Linux and Windows, including RHEL. Support system integration, testing, deployment, compliance, and documentation while providing technical leadership and mentoring. Collaborate with stakeholders to deliver secure, mission-focused platform capabilities for Department of the Air Force and broader defense initiatives.

Build and scale Base360.ai’s short-term rental platform, including customer-facing applications, APIs, automation engines, AI-powered workflows, third-party integrations, and cloud infrastructure. Develop systems for reservations, pricing, payments, guest communication, property operations, reporting, and financial workflows. Own projects end to end, make architectural decisions, ensure reliability, and deliver scalable products in a remote-first startup environment.

Designs, develops, tests, deploys, modernizes, and supports Java enterprise applications and integrations. Troubleshoots applications, APIs, databases, and data pipelines; improves reliability through automation, testing, monitoring, CI/CD, and secure coding. Translates business requirements into maintainable solutions, collaborates with stakeholders and vendors, participates in code reviews and design discussions, and mentors teammates. The hybrid role requires working from the Chicago office at least one day per week.

Design and build JTX, a high-performance Solana trading application. Develop low-latency, reliable systems for order routing, execution, real-time market data, and position management. Own critical infrastructure, implement security across transaction signing and user data, make architectural decisions, and collaborate with product and infrastructure teams in a fast-moving 0-to-1 environment.

Set technical direction for a high-traffic biller-workflow platform supporting claims, appointments, payments, posting, and billing operations. Lead full-stack architecture, multi-team platform rebuilds, frontend performance, API and PostgreSQL optimization, observability, AI workflow integrations, code reviews, technical standards, and mentorship. Partner with clinicians, billing operators, product, and design while maintaining reliable enterprise production systems.

Design, build, and operate large-scale observability services and data platforms covering monitoring, logging, alerting, tracing, metrics ingestion, and real-time and batch processing. Develop reliable software across Kubernetes, cloud, and bare-metal environments, optimize air-gapped federal AWS regions, and support platform security and compliance. Participate in on-call operations and collaborate with cybersecurity and commercial engineering teams.

Owns and advances serviceability for in-vehicle infotainment and vehicle compute platforms. Responsibilities include debugging complex field issues, analyzing logs, warranty data, and telemetry, developing diagnosability features, building automated and AI-assisted diagnostics, improving dealer support workflows, enforcing observability standards, and coordinating with vehicle platform teams. The role also mentors engineers and supports production vehicle software releases.

Design, develop, deploy, and operate distributed messaging, streaming, and caching services using platforms such as Kafka, Redis, and RabbitMQ. Build software modules, automation, observability, and infrastructure across Kubernetes, OpenStack, bare metal, and AWS environments. Optimize resilient production systems, participate in on-call support, evaluate cloud-native technologies, and collaborate with cybersecurity teams on federal platform security. The role requires U.S. citizenship, federal project experience, and the ability to obtain a TS/SCI with CI polygraph clearance.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

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.