Top Software Engineer Jobs

The Software Engineer II will design, develop, and maintain secure software solutions, focusing on smart card personalization products and HSM firmware development, while ensuring alignment with security standards.

Develop, test, document, and debug software for telecommunications and IP networking equipment across embedded, infrastructure, application, and full-stack layers. Work with Linux and Unix systems, hardware layers, device drivers, kernels, networking protocols, automation tools, and laboratory test equipment. Contribute to security analysis, software development, system testing, product concepts, and technical solutions for U.S. Federal Government customers. Travel to CACI locations or customer sites as needed and obtain a Top Secret clearance for continued employment.

Build and own high-performance UI features for Netflix’s TV application across streaming sticks, smart TVs, and cable boxes. Collaborate with product, design, algorithms, and engineering teams to define experiences, validate product variants through A/B testing, and deliver reliable, testable code. Lead large cross-functional projects while working with TypeScript, JavaScript, React, Redux, Node.js, GraphQL, and proprietary Jest-based automation frameworks.

Design, build, and operate high-throughput WAL replication and event-streaming infrastructure supporting cache invalidation, data synchronization, and change-data-capture consumers. Lead migration from batch processing to unified event-driven pipelines, define delivery and correctness guarantees, establish architectural standards, mentor engineers, and support 24/7 incident response. The role requires deep expertise in replication, streaming semantics, systems programming, performance, reliability, and cross-team technical leadership.

Designs, operates, and governs distributed caching infrastructure for high-volume healthcare workflows. Responsibilities include defining consistency and performance contracts, eviction and invalidation strategies, multi-tier cache architectures, operational recovery, incident response, engineering standards, shared libraries, technical reviews, and mentorship. The role leads cross-team caching initiatives and participates in a 24/7 on-call rotation, with an initial focus on claims adjudication.

Staff Software Engineer responsible for PostgreSQL performance and transactional database architecture at scale. The role includes diagnosing production issues, designing benchmarking and regression-detection systems, defining performance contracts, optimizing cluster topology and queries, leading incident response, reviewing schemas, and mentoring engineers. The engineer will support 24/7 on-call operations and drive cross-team architectural initiatives in a regulated healthcare technology environment.

The Principal Software Engineer develops and enhances complex software systems, leads development teams, and ensures adherence to design requirements.

Build and maintain full-stack software across internal tools, campaign planning, field operations, weather and geospatial data, aircraft operations, and customer-facing products. Work directly with users and cross-functional teams to identify problems, prototype solutions, and own products through deployment and continued development. Improve shared software components and technical patterns across the organization.

Own and productionize localization, mapping, calibration, and state-estimation systems for autonomous ground vehicles operating at active airports. Responsibilities include sensor fusion, 3D mapping, calibration, online validation, diagnostics, regression testing, deployment, and safety monitoring. The role provides technical leadership across perception, planning, and platform teams while advancing autonomous operations toward driverless capability.

Develop and enhance payment products and transaction systems using Java and Kotlin. Design and build microservice components, evaluate emerging technologies, and recommend architectural improvements. Mentor less-experienced engineers on software practices and coding standards. The role focuses on highly available, distributed, high-concurrency risk and payment platforms, including fraud detection and risk decisioning infrastructure.

Design and build scalable, reliable, observable, and well-tested backend and distributed systems. Work in AI-assisted development workflows by decomposing problems, validating AI-generated outputs, and using tools such as Claude and code assistants. Contribute to architecture, data modeling, APIs, service boundaries, documentation, and technical direction while mentoring peers and collaborating across Product, UX, and Engineering.

Translate Python code into C++ for API integration, parse brain-computer interface data, and support research and development through testing and refinement of Unity applications. The role also involves designing, building, testing, and maintaining reliable C++ code, improving code quality and automation, rapidly prototyping features, and documenting technical work in a fast-paced startup environment.

Develop software infrastructure for AI-era data management at VAST Data. The role is designed for a new college graduate and involves writing clean, documented code using C, C++, or Python, applying data structures and algorithms, communicating effectively, and learning through mentorship from senior engineers.

Lead design, implementation, testing, and support of FreeWheel's high-scale video advertising platform. Own feature lifecycle, produce technical specs, write efficient code, integrate components, and maintain documentation. Provide production support, mentor junior engineers, collaborate with product and operations, and drive technical innovation and architectural decisions.

Lead architecture and implementation of large-scale, carrier-grade distributed network software. Drive design, development, validation, deployment, and operational support; mentor engineers; troubleshoot production incidents; collaborate with QA, vendors, and partners; and monitor performance, scalability, and security.

Develop analytics and deploy solutions supporting a government geolocation and data integration mission. Collaborate with customers to analyze artifacts, enrich data using corporate sources, summarize findings, and support downstream analytics and queries. The role involves leveraging disparate data to identify user activities, collection efforts, and technology information. Candidates need strong object-oriented programming skills, relevant experience, and an active TS/SCI clearance with polygraph.

Design, build, and operate secure, scalable Java and Spring Boot microservices, REST and GraphQL APIs, and event-driven integrations supporting GM mobile experiences. Deploy cloud-native services on Azure, strengthen CI/CD and DevOps automation, and improve observability, reliability, and operational health. Apply AI-enabled engineering practices, TDD, and automated testing. Collaborate across product, architecture, security, and engineering teams while mentoring engineers and contributing to technical documentation and standards.

The Software Engineer will work with the R&D team to design and develop solutions, requiring adaptability to new technologies and collaboration in an agile environment.

Software Engineers at PDT develop and maintain trading systems, risk controls, and post-trade technologies while collaborating with users to meet requirements.

Design and implement logistics optimization algorithms, develop predictive models, and build simulations for patient scheduling and routing in healthcare.

The Senior Software Engineer will explore AI solutions in healthcare, having experience in full-stack/backend development and startup culture.

As a Senior Software Engineer, you will design and build backend services and APIs for healthcare delivery, ensuring system reliability and integrating medical devices while leading projects and mentoring engineers.

Design and build backend systems for air traffic control, focusing on data fusion from multiple sources and ensuring high reliability in complex environments.

As a Senior Software Engineer at Whatnot, you'll build AI tooling for internal use, developing workflows and infrastructure to enhance software delivery. You'll collaborate across teams to gather feedback and prioritize features in a rapidly evolving landscape.

Develop and maintain C++ systems for Teamfight Tactics on iOS and Android using Unreal Engine. Diagnose cross-platform, engine, and native mobile issues; optimize performance, memory, stability, and reliability; and influence architecture, engineering practices, tooling, testing, and release processes. Collaborate with multidisciplinary teams, provide technical leadership, mentor engineers, and participate in on-call support.