Top Software Engineer Jobs

As a Software Engineer 3, you will design and build core components for a multi-tenant inference platform integrated with MongoDB Atlas, collaborating with ML engineers to enhance performance and reliability.

Develop, analyze, design, implement, and test complex software (primarily C++) for defense systems on Windows/Linux and embedded targets (ARM, x86-64, GPUs). Integrate and test in target environments, use source control, and support integration/test events; work full-time on-site in Southern New Hampshire.

Design, develop, and integrate real-time mission software in C++ and C# on Linux. Contribute across the software lifecycle, apply Agile and DevSecOps practices (CI/CD, automated testing), collaborate with systems and test teams, support foreign military sales adaptations, mentor junior engineers, and evaluate new technologies for electronic warfare capabilities.

Develop, analyze, design, code, and test complex software (primarily C++) for defense systems (SIGINT, radar warning, electronic attack). Work in Windows/Linux environments targeting embedded platforms (ARM, x86-64, GPUs). Integrate and test in target environments, use source control, and support integration/test events. Position is full-time onsite and requires US citizenship and a recent Secret clearance.

Design, build, and operate cloud-native, highly scalable distributed backend systems. Own end-to-end delivery of complex backend components, participate in design and architecture reviews, identify and fix performance bottlenecks, mentor junior engineers, and integrate services with messaging systems, databases, containers, and CI/CD pipelines.

Design, develop, and maintain secure, high-quality Java/Spring Boot microservices and REST APIs. Produce architecture and design artifacts, troubleshoot production issues, analyze large datasets to improve systems, ensure application resiliency and CI/CD practices, and contribute to agile team culture and engineering communities.

Design, develop, and maintain secure, high-quality Java/Spring Boot microservices on cloud platforms. Produce architecture artifacts, troubleshoot systems, analyze large datasets to improve applications, and contribute to CI/CD, resiliency, and security practices within an agile team.

Build and architect frontend user interfaces for the Service Monetization Platform, focusing on acquisition and secure checkout. Collaborate with design, product, QA, and data teams to solve complex problems, optimize performance, and deliver features through end-to-end delivery, testing, and deployment in an Agile environment.

Design, develop, and troubleshoot secure, scalable Java/Spring Boot microservices on AWS. Use CI/CD, Kafka, and Oracle; apply AI-assisted tools for coding, testing, and documentation; analyze data for system improvement and contribute to team best practices.

Support development and sustainment of mission-focused applications, backend services, APIs, and data pipelines. Collaborate with data scientists and stakeholders to build, troubleshoot, and improve performance, contribute to code reviews and documentation, and deliver reliable capabilities in an agile, remote-first environment.

Design, develop, and maintain web applications and microservices across the SDLC. Analyze requirements, create architecture and application specs, implement code, build REST APIs, optimize databases, troubleshoot issues, perform code and design reviews, participate in project planning, and mentor junior engineers.

Designs, develops, debugs, and deploys secure, production-quality software and data pipelines. Builds scalable ETL and real-time systems, manages databases, creates enterprise REST APIs, automates infrastructure, evaluates vendor solutions, and leads engineering best-practice communities.

Participate in a two-day social-impact hackathon building tech solutions for nonprofits. Develop, test, and troubleshoot software; write secure code; collaborate with engineers and stakeholders; use automation and approved AI development tools responsibly; attend training and mentorship; and potentially be considered for a 2027 Software Engineer Program Summer Internship.

Develop and implement full stack features for a healthcare platform, focusing on both frontend (React) and backend (Node.js) development. Responsible for performance optimization, API creation, testing, and collaboration with data engineering teams.

The Software Engineer will build new systems, enhance existing ones, and integrate with external systems, collaborating closely with developers, QA, and product managers.

Build and maintain Redfin's iOS app features and infrastructure using Swift and SwiftUI. Collaborate with product, design, and engineering through code reviews, documentation, and testing. Contribute to experiments, leverage iOS best practices, and use approved AI code-generation tools. Participate in on-call rotations as needed and work hybrid from Seattle, San Francisco, or Detroit offices on Tuesdays and Wednesdays.

Lead and supervise a software development team to design, implement, test, debug, and integrate modeling and simulation software. Provide system-level input, resolve defects, analyze requirements, develop algorithms and data processing solutions, and improve development processes and documentation.

Lead and supervise a software development team to design, build, test, debug, and integrate modeling and simulation software. Provide system-level software design input, resolve defects, analyze requirements, and contribute technical expertise for business growth and process improvement.

Lead a software development team to design, build, test, debug, and integrate modeling and simulation software. Provide architecture input, resolve defects, implement new features, develop data queries, and improve development processes to meet customer requirements in a mission-critical government environment.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

The Software Engineer will design, develop, and deliver systems for regulatory compliance, collaborating with cross-functional teams and improving workflows using AI. Responsibilities include project ownership from planning to deployment, coding best practices, and onboarding junior engineers.

Build and maintain Klaviyo's Android SDK and adjacent mobile products (in-app messaging, universal linking, geofencing). Ship production-tested Android features, debug across devices and OS versions, contribute to other SDKs and backend services, write tests and docs, collaborate with product and engineering teams, and support customer integration issues.

Lead technical design and development of consumer lending software solutions, create technical and business specifications, develop and test integrations (IIB to Java/OpenShift), mentor teams, support deployments, and drive full lifecycle projects and process improvements.

Design, develop, test, and support enterprise Microsoft 365 solutions including SharePoint Online, SPFx web parts/extensions, Power Apps/Automate flows, PowerShell automation, and Power Platform pipelines. Collaborate with stakeholders, follow secure coding and ALM practices, troubleshoot production issues, document solutions, and promote deployments across environments.

Design, develop, configure, and operate enterprise-scale FircoSoft sanctions screening systems. Implement high-throughput, low-latency workflows, build Java-based integrations, optimize performance, ensure production stability, and collaborate with product, compliance, and operations teams.