Top Software Engineer Jobs

Build developer productivity tools and frontend frameworks for a large React application. Own features end-to-end, design and implement tooling for development, testing, and packaging, and collaborate with PMs, designers, and engineers to scale product and engineering practices.

Build and maintain developer productivity tools and frontend frameworks for a large React application. Own features end-to-end, create tooling for development, testing, and packaging, collaborate with product and design, and help scale engineering practices, processes, and hiring to improve developer experience.

Senior full‑stack engineer to design, build, and support risk and analytics applications using Java, Python, Angular and cloud platforms (primarily Azure). Drive API‑first solutions, data processing, reactive architectures, and DevOps/CI‑CD practices. Collaborate with front/middle/back‑office and risk stakeholders, apply AI‑assisted development, and own end‑to‑end delivery.

Design and implement scalable backend systems for search and conversational AI. Build and productionize services leveraging LLMs, embeddings, and vector search. Lead architecture, mentor engineers, drive cross-team initiatives, and improve developer productivity and operational excellence.

Develop, test, and integrate cutting-edge software for defense-related systems. Collaborate with cross-functional teams to design applications in C++, Python, and MATLAB; work with cloud-native, containerization, RTOS, FPGA/GPU/embedded SoC hardware, DevSecOps/CI-CD practices, and communication protocols (UART/I2C/SPI/CAN). Participate in agile prototyping and deliver low-latency, real-time software for RF, radar, EO/IR, EW, and software-defined radio systems. Role is full-time onsite in Merrimack, NH.

Design and build native iOS and iPadOS user experiences, prototype and translate Figma designs into production-quality Swift/SwiftUI/UIKit code, collaborate with users and cross-functional teams, create UX documentation, ensure accessibility and interaction polish, and iterate based on user feedback through end-to-end product design and CI/CD practices.

Develop and maintain full-stack features for insurance software: implement new functionality, fix bugs, write unit and integration tests, debug across OS/DB/applications/network, and collaborate to improve product quality and technical design.

Develop and maintain high-quality features for insurance software, perform unit and integration testing, debug across OS/DB/app/network layers, fix production issues, and collaborate with peers. Own technical growth, follow industry/open-source trends, and contribute to UI design and Agile development processes.

Work as a software engineering intern for 12-14 weeks building and shipping projects that run at Internet scale. Collaborate cross-functionally, work with a mentor, present your project company-wide, participate in professional development, and contribute to Cloudflare's services using modern languages and microservices patterns.

The Software Engineer will design, maintain, and develop web solutions, focusing on real-time data and integrating geospatial data for front-end and back-end applications. Requires ownership of the software lifecycle, using modern frameworks and tools.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

Build and maintain digital content products for America's Test Kitchen. Work on software development, data analysis, and product-focused engineering across associate, senior, and lead roles in a hybrid Boston environment.

Design, develop, and maintain scalable, secure software solutions. Collaborate with product, UX, and engineering teams; participate in design (HLD/LLD), testing, code reviews, CI/CD, monitoring, and Agile ceremonies. Troubleshoot production issues and implement permanent fixes while improving performance, scalability, and engineering practices.

Hands-on senior software engineer responsible for designing, developing, and modernizing enterprise .NET microservices and RESTful APIs. Leads technical decisions, mentors engineers, builds containerized services (Docker/Kubernetes), integrates event streaming (Kafka), supports CI/CD pipelines, ensures security, performance, and operational readiness, and collaborates with product, QA, and platform teams.

Lead technical design and development of software solutions, propose designs for complex business needs, produce documentation, resolve complex problems, provide technical guidance and code/test reviews, and apply modern development methodologies and tools to advance business initiatives.

Develop, maintain, and test ground software and mission control systems for satellite command and control. Write requirements, design and implement features, perform integration and system testing (including classified environments), troubleshoot and fix issues, integrate with government-furnished systems, and mentor junior developers. Collaborate with operations, spacecraft engineers, cybersecurity, and technicians to support mission data processing and verification.

Develop, integrate, test, and maintain mission and training systems software for the P-8A AAS. Collaborate with hardware, software, and systems engineers, support training devices and retrofits, document architectures and requirements, and assist with test procedures and results.

Provide technical leadership for development and integration efforts, design and verify integrated software builds, evangelize best practices, and act as subject-matter expert for platform or application components. Lead integration and verification testing and support Agile delivery and quality engineering processes.

Develop, integrate, and test virtual controller and subsystem models (HWIO, RTOS, communication models, sensors/actuators, V-ECUs) into system-level dynamic simulations. Maintain documentation and support released simulations, assist user testing/troubleshooting, and build serial data connectivity between co-simulation platforms and virtual controllers. Use MATLAB/Simulink/Simscape, GT-Power, dSPACE VEOS, ETAS INCA, and automotive communication protocols (SENT, LIN, CAN) for hybrid vehicle system modeling and deployment.

The Application Engineer will develop and maintain full stack web applications, mentor junior engineers, and ensure quality coding practices while collaborating with teams to design and implement features.

Develop and scale microservice-based software in a DevSecOps environment to transition mission planning and AI-enabled systems from R&D to production. Collaborate with scientists and engineers to convert models into production-grade APIs, support deployments, and contribute to system reliability and integration with AI/data tools.

Design, implement, and scale microservices in a DevSecOps environment to transition mission-planning software from R&D to production. Collaborate with scientists to productionize mathematical and AI models, support deployments, and maintain well-documented APIs and services.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

As a Senior Software Engineer, you will design, build, and launch new product features, tackling complex engineering challenges in a high-performance environment, while directly shaping product and business outcomes.

As a Software Engineer II, you will develop backend services using Java and AWS technologies, collaborating with cross-functional teams to build scalable healthcare solutions.