Top Software Engineer Jobs

Build and maintain high-performance backend services in Go for a low-latency, high-throughput trading exchange. Design distributed systems, optimize performance, improve observability, and collaborate across Product, Data, and Ops to ensure resiliency and scalability.

Build and lead development of Klaviyo's conversational AI platform: native chat surface, agent orchestrator, and agentic UI. Design scalable, reliable systems, ship high-quality code, mentor engineers, drive technical decisions, and improve AI-powered customer experiences.

As a Senior Software Engineer, you'll design and build scalable systems for customer data management, ensuring seamless user experiences and mentoring team members.

Design, develop, and maintain high-performance RESTful APIs, microservices, and backend data pipelines using Java and Python. Build secure, cloud-ready services, support containerized deployments and CI/CD, troubleshoot distributed systems, and collaborate with systems, data, and UI teams to deliver end-to-end solutions for government intelligence programs.

Build and evolve ngrok’s AI Gateway, including real-time AI traffic handling, policy enforcement, rate limits, usage caps, access rules, token tracking, observability, and explainability. Design customer-focused gateway abstractions and collaborate with Gateway, Customer Data, Platform, product, and design teams to align enforcement, usage, and billing signals. The role involves full-stack development using primarily Go and TypeScript in a production AWS, Kubernetes, and distributed-systems environment.

Build and maintain customer-ready Linux distributions, installation images, packages, and release processes for NVIDIA AI-RAN and AI products. Integrate NVIDIA software, drivers, and third-party components into Ubuntu and RHEL. Develop build automation and CI/CD pipelines, configure and validate Linux kernels and BSPs, troubleshoot platform integration issues, and collaborate with enterprise Linux and silicon vendors.

Develop, integrate, deploy, and sustain satellite ground software across the full software development lifecycle. Build full-stack, microservice-based applications supporting hardware command and control, mission planning, constraint checking, visualization, and user interfaces. Design software architecture, implement automated testing and CI/CD pipelines, troubleshoot production services, and collaborate with analysts, program management, and government customers. The role requires active Top Secret clearance with SCI eligibility and occasional travel.

Develop, test, debug, enhance, and document software applications. Integrate designs, specifications, schedules, and user needs into product capabilities; resolve hardware and software interface issues; research emerging technologies; troubleshoot application problems; support customers; and prepare technical reports. The role is onsite in Washington, DC and requires an active Top Secret clearance with SCI eligibility.

Develop and maintain secure, high-performance backend systems for search, analytics, data ingestion, and retrieval supporting national security missions. Build APIs and microservices with Python, Flask, or FastAPI; conduct exploratory data analysis; work with Postgres and Elasticsearch; and implement CI/CD, infrastructure-as-code, cloud, containerization, and DevSecOps practices. This is a fully onsite role supporting USSOCOM at MacDill AFB.

Develop and launch full-stack features for enterprise cybersecurity web systems. Responsibilities include translating requirements into solutions, designing and testing secure production software, modernizing web applications, working with databases and cloud technologies, documenting functionality, and collaborating with analysts and engineers. The role requires object-oriented programming, web development, relational database, cloud, container, and system administration experience, plus Secret clearance and a bachelor's degree.

Develop and maintain end-to-end software solutions using Python, React, APIs, Agile methods, and DevOps practices. Design, integrate, test, debug, document, and deploy applications across UNIX and Linux environments. Collaborate with cross-functional teams to solve complex problems, improve system architecture, automate workflows, and support production operations. The role requires TS/SCI clearance with polygraph and involves developing interfaces with vendor products and maintaining application performance.

Develop and test full-stack web application features for enterprise cybersecurity systems. Design solutions for complex business rules, modernize legacy applications, and build secure, scalable capabilities supporting risk management, compliance, vulnerability management, and continuous monitoring. Collaborate with analysts and engineers, review code, document functionality, and work with cloud, containers, databases, and software security technologies.

Develop and maintain secure, high-performance full-stack web applications supporting cybersecurity processes, including risk management, compliance, vulnerability management, and continuous monitoring. Translate customer requirements into solutions, design complex business rules, test and document features, modernize legacy applications, and collaborate with analysts and engineers. The role requires object-oriented programming, web development, relational databases, cloud and container technologies, and Secret clearance.

Develop and launch full-stack features for enterprise cybersecurity web systems. Design solutions from complex requirements, build secure and performant applications, test functionality, document capabilities, and modernize legacy web components. Collaborate with analysts and engineers to operate mission-critical risk management, compliance, vulnerability management, and continuous monitoring systems. The role requires expertise in object-oriented programming, web development, databases, cloud platforms, containers, and software security.

Build and operate agentic full-stack systems across Python/FastAPI microservices and React or TypeScript interfaces. Responsibilities include database migrations, authorization, Kubernetes-based LLM inference, Terraform infrastructure, air-gapped deployments, CI/CD, and reviewing AI-generated code. The role also develops agent harnesses, evaluations, tests, and secure multi-tenant architectures while supporting classified-environment requirements.

Develop and enhance core banking applications through requirements analysis, coding, testing, debugging, documentation, deployment, and production support. Partner with business and technical stakeholders to deliver scalable solutions, improve processes, automate workflows, and enhance user experience. Participate in code reviews, technology roadmap discussions, continuous improvement initiatives, and an on-call rotation for troubleshooting critical production systems.

Lead architecture and implementation of receiver-side financial services: design backend APIs, event-driven systems, and data models; ensure security, compliance, scalability, and observability; integrate with global money-movement platform; mentor engineers and define technical standards and runbooks.

Design, develop, debug, and operate highly available distributed systems across large-scale public cloud environments. Build infrastructure automation, microservices, infrastructure-as-code, validation platforms, and production-grade software. Use AI development tools and advanced prompt engineering to improve engineering productivity and reliability. Evaluate code for security and performance, resolve complex technical issues, manage technical debt, and participate in on-call operations.

Build and own native iOS and Android applications end to end, from architecture and API integration through polished UI, testing, monitoring, release, and optimization. Collaborate with product and design to turn ambiguous goals into user-focused features, establish scalable mobile architecture, and support growth to hundreds of thousands of users. Contribute to engineering standards, mobile CI/CD, crash reporting, performance tooling, and potentially web, payments, cloud, and mobile wallet integrations.

Participate in a practical internship developing web, mobile, and digital applications. Build software development skills, apply programming logic to solve business problems, learn software architecture concepts, and collaborate in agile environments alongside experienced professionals on real-world projects.

Designs, develops, tests, and maintains scalable software features and services across backend and frontend systems. Collaborates on architecture with engineering, product, QA, and DevOps teams; contributes to CI/CD, monitoring, testing, and operational reliability. Requires C#/.NET and API expertise, cloud platform familiarity, Docker, AI development experience, and strong communication and problem-solving skills.

Leads enterprise full-stack software engineering projects from design through deployment and support. Develops cloud-native applications, microservices, secure APIs, smart search functionality, and product catalog ingestion pipelines using .NET Core, React, and search technologies. Provides technical leadership, architectural guidance, code reviews, incident management, troubleshooting, process improvement, and mentorship while partnering with product, infrastructure, operations, and business teams.

Architect and deliver complex distributed systems using Azure cloud-native technologies, microservices, APIs, and event-driven patterns. Lead architecture reviews, reliability initiatives, performance optimization, incident response, and root-cause analysis. Drive adoption of AI-assisted development tools while maintaining security and code quality. Collaborate across engineering, DevOps, QA, and product teams, and mentor engineers on technical design, development practices, and AI-enabled workflows.

Build and scale Waymo’s ride-hailing marketplace systems for trip management, vehicle-rider matching, pricing, and vehicle positioning. Develop infrastructure to train and deploy machine learning and optimization models for real-time decisions. Create experimentation, monitoring, and analysis systems for deployed models, and partner with data scientists to productionize pricing and matching models.

Develop and maintain software connecting applications, databases, SCADA systems, PLCs, data acquisition systems, and industrial hardware. Build operator and engineering tools, PostgreSQL-backed applications, APIs, integrations, analytics, anomaly-detection tools, and deployment workflows. Support live industrial operations, testing, troubleshooting, documentation, and software reliability improvements while collaborating with software, controls, and operations teams in advanced nuclear technology environments.