Top Senior Software Engineer Jobs

Design, build, operate, and maintain scalable Ruby on Rails and React systems for Kajabi’s SaaS platform. The role owns features end to end, including reliability, observability, architecture, testing, and maintainability. It also requires product thinking, customer-focused decision-making, AI-assisted development, cross-functional collaboration, system design leadership, code reviews, and mentoring engineers. This is a full-time, in-person position in Irvine, California, five days per week.

Develop and maintain resilient ServiceNow applications within banking technology standards and the SDLC. Responsibilities include requirements analysis, coding, integrations, workflow automation, source control, deployments, pull request reviews, code reviews, architecture discussions, stakeholder collaboration, troubleshooting, and compliance with risk, regulatory, and internal control standards.

Leads the design and delivery of scalable full-stack web applications using C#, .NET, modern frontend frameworks, cloud-native technologies, and AI-assisted engineering practices. Owns complex features, contributes to architecture, establishes quality and security standards, supports production systems, leads Agile practices, and mentors engineers. The role requires strong expertise in distributed systems, databases, observability, infrastructure as code, CI/CD, containerization, automated testing, application security, and high-scale internet-facing solutions.

Leads development of scalable full-stack web applications using .NET, C#, cloud-native Azure or AWS services, containers, and modern databases. Owns complex features, contributes to architecture, establishes engineering and security standards, drives testing and observability, troubleshoots production issues, facilitates Agile practices, and mentors engineers. The role also promotes responsible AI-assisted development, CI/CD, infrastructure as code, technical documentation, and continuous improvement.

Develop, test, and maintain complex software systems for U.S. Navy launch test facilities. Design, code, debug, integrate, and document software for PLCs, data acquisition and control systems; analyze requirements, implement algorithms, and support field installation, testing, and commissioning. Requires problem resolution and test documentation.

Designs, develops, and operates scalable backend services, APIs, distributed systems, and event-driven architectures. Owns features end to end from technical design through deployment, monitoring, troubleshooting, and improvement. Investigates complex production issues, improves reliability and performance, participates in architecture decisions, collaborates cross-functionally, and provides technical guidance to engineers.

Develop and maintain features for an enterprise AI training and capability platform. Work across backend and frontend layers using distributed systems, microservices, cloud infrastructure, databases, and AI tools. Collaborate with product management, customer support, and clients to understand problems and deliver secure, maintainable, scalable software. Contribute independently and within a collaborative development team.

Leads complex software engineering efforts, developing and modifying applications, utility programs, databases, software, and firmware. Analyzes user needs, data, risks, and mission requirements; performs software validation, verification, testing, exploitation development, and anomaly resolution. Produces engineering documentation and evaluates software quality and cyber capabilities in accordance with DoD guidance. Requires technical leadership, troubleshooting, and collaboration with cyber-focused teams.

Develop and deploy end-to-end applications supporting intelligence mission workflows. Responsibilities include gathering requirements, building user-facing applications, developing RESTful APIs, integrating front-end and back-end services, creating data visualizations, working with cloud environments and data repositories, and establishing secure CI/CD pipelines. The role collaborates with mission stakeholders, data scientists, and analysts to deliver operational solutions.

Design, develop, deploy, and maintain a distributed test orchestration and asset management platform. Responsibilities include implementing service APIs and device adapters, managing databases, deploying infrastructure with Amazon CDK, maintaining CI/CD pipelines, monitoring services, documenting systems, supporting users, and resolving production issues. The role operates in isolated environments with embedded Linux devices, physical lab networks, and strict security controls.

Designs and develops Rust backend services and APIs for a secure cloud platform managing high-assurance device fleets. Responsibilities include authentication and authorization, advanced networking, scalable telemetry and monitoring services, configuration distribution, alerting, CI/CD pipelines, and AWS cloud architecture. The role requires building highly available cloud-to-device systems, supporting automated testing, and applying performance optimization across computer and memory-constrained applications.

Build scalable backend services and APIs supporting robotic surgical fleets and application workflows. Develop configuration management and telemetry ingestion capabilities, implement automated testing in CI pipelines, contribute to CI/CD and observability, and ensure service documentation, health endpoints, and uptime monitoring. Collaborate with embedded, infrastructure, product, security, and quality teams while supporting distributed systems reliability, troubleshooting, incident management, and compliance requirements.

Develop and maintain AiDiffract software for semiconductor optical critical dimension metrology across the full software development lifecycle. Responsibilities include design, implementation, testing, refactoring, CI/CD automation, code reviews, quality improvement, and secure evaluation of AI-generated code. The engineer collaborates with applications, algorithms, SQA, and user teams while applying software engineering, DevOps, and potentially physics-based modeling or machine learning techniques to complex scientific systems.

Develop desktop graphical configuration and tuning tools and command-line utilities for integrated circuits and embedded products. Collaborate with applications, systems, and firmware teams on requirements, estimates, planning, implementation, and testing. Improve software quality, scalability, and performance while supporting customer-facing tools. The role requires strong object-oriented programming, embedded systems, desktop or mobile application development, multithreading, multiprocessing, and communication skills.

Lead the architecture, development, and operation of a cross-platform RMM endpoint agent for Windows, macOS, and Linux. Build systems-level components in Rust and C/C++, secure networking capabilities, and integrations with distributed backend services. Improve concurrency, performance, reliability, and resource usage while owning components through production support. Lead technical decisions, design and code reviews, cross-team initiatives, and mentorship for systems engineering practices.

Develop research prototypes and production software for quantum error correction, including decoding algorithms, quantum simulation tools, and analysis systems. Collaborate with mathematicians, physicists, and engineers to create reliable, optimized, maintainable software. Contribute to the broader QEC stack, internal tools, and customer-facing implementations while applying software engineering best practices.

Build large-scale data systems for frontier coding-model pretraining across data quality, data platform, or web crawling. Responsibilities include developing high-throughput pipelines, training and deploying data-quality models, orchestrating reproducible datasets, improving crawl coverage and parsing, and hardening distributed infrastructure. The role requires independent end-to-end ownership, performance optimization, observability, experimentation, and close collaboration with research, training, acquisition, and engineering teams.

Build and ship full-stack internal products across backend, frontend, and infrastructure. Partner with users to understand workflows, identify high-impact opportunities, create reusable platforms and abstractions, and empower less-technical users. Own product decisions and outcomes, iterate based on feedback, and independently deliver products from concept through launch.

Design and deliver secure, scalable cloud-native software in agile teams. Shape architecture and technical direction, establish engineering standards, mentor colleagues, collaborate directly with public-sector customers, and solve complex technical problems. The role requires hands-on development, modern engineering practices including CI/CD and DevSecOps, and experience with cloud, containers, and production systems in complex environments.

Supports SAP S/4HANA procurement, materials management, and procure-to-pay processes for global supply chain systems. Responsibilities include gathering business requirements, configuring SAP MM and PTP functionality, reviewing T-codes, supporting production and project activities, documenting solutions, and collaborating with business and IT teams. The role develops process knowledge, troubleshoots complex issues, identifies process improvements, and communicates solutions to stakeholders.

The Staff Software Engineer will shape technical direction, build developer platforms, and design AI agents, enhancing developer productivity and collaboration across teams.

As a Lead Software Engineer, you will design, develop, and optimize software solutions for e-commerce and automate logistics, while mentoring junior engineers.

The Senior Software Engineer will oversee Java application frameworks, manage the software development lifecycle, and collaborate on system designs for market operations.

The role involves designing and implementing distributed storage solutions for AI workloads, developing scalable storage systems, optimizing performance, and mentoring engineers. It requires collaboration with various teams to ensure system reliability and efficiency.

Lead a team of developers on technology projects, focusing on full stack systems and cloud-based solutions, while mentoring and staying updated on tech trends.