Top Senior Software Engineer Jobs

Develop and test modern front-end features for a global-scale networking situational awareness and command-and-control platform. Collaborate with users, designers, program managers, and testers to create responsive, modular, event-driven interfaces. Design solutions from broad requirements, handle edge cases, participate in code reviews, prototype technologies, and deliver dependable, reusable software. Some back-end development using gRPC may be involved.

Design, develop, test, troubleshoot, and implement complex Java software capabilities for computer-based systems. Build enterprise APIs, RESTful services, and microservices while collaborating with engineering teams in an agile environment. Integrate AI coding agents for feature development, refactoring, testing, and code auditing. Maintain technical knowledge, manage multiple deadlines, and support software solutions across complex architectures.

Design, develop, test, troubleshoot, and implement complex Java software capabilities for computer-based systems. Build enterprise APIs, RESTful services, and microservices while collaborating in an agile environment. Use AI coding agents for multi-file implementations, refactoring, testing, and code review. Work independently and with engineering teams in a hybrid role supporting customer facilities and company headquarters.

Designs, develops, tests, debugs, and maintains scalable React Native mobile applications for iOS and Android. Owns major mobile projects, defines architecture and APIs, manages backend and third-party integrations, improves performance and reliability, and supports modernization efforts. Collaborates across engineering, product, design, QA, security, and business teams while mentoring engineers and promoting Agile, CI/CD, testing, documentation, and mobile development best practices.

Design, develop, and support cloud-native Java microservices connecting vehicles with cloud platforms. Build event-driven integrations, optimize PostgreSQL databases, and implement monitoring with Datadog. Collaborate across product, architecture, operations, and security teams; troubleshoot production issues, participate in on-call rotations, develop automated tests, document services, conduct code reviews, and mentor engineers within an agile environment.

Design, develop, and maintain network datapath monitoring and observability infrastructure for GPU cloud services. Build real-time network telemetry and analytics pipelines across host networking, smart NICs, and overlay/underlay networks. Collaborate with DevOps, production, and data platform teams; troubleshoot Kubernetes and cloud networking issues; participate in on-call support, code reviews, architecture decisions, and continuous infrastructure improvements.

Build and operate Block’s data platform, including warehousing, orchestration, business intelligence, governance, and agentic workflows. Develop reliable Python services, developer tools, and Terraform infrastructure for petabyte-scale data. Partner with data practitioners and product teams, establish engineering standards, provide technical direction, and mentor engineers while ensuring security, reliability, observability, usability, and data governance.

Design, build, and operate secure sandboxed runtime environments for Kubernetes and GPU-accelerated workloads. Develop GPU-aware scheduling, isolation, and resource management strategies; optimize container, VM, I/O, and GPU performance; conduct profiling and benchmarking; and contribute to Linux, container runtime, virtualization, and GPU driver architecture. Collaborate with security, platform, and infrastructure teams to establish runtime isolation and performance standards for multi-tenant systems.

Design, develop, test, debug, and maintain Windows desktop applications and system software using C/C++, Qt, and C#/.NET. Integrate software with hardware, instruments, sensors, and external systems through communication interfaces. Participate in requirements analysis, architecture, code reviews, unit testing, deployment, maintenance, and performance tuning while collaborating with software, hardware, QA, and product teams.

Design and lead the technical strategy for search across Vannevar’s products. Build and improve full-text, vector, and LLM-powered retrieval systems, optimizing latency, relevance, index quality, freshness, and performance. Collaborate with ML, product, design, and mission strategy teams to translate user needs into search innovations. Apply expertise in information retrieval, NLP, machine learning, indexing, ranking, query parsing, tokenization, vector search, and evaluation frameworks.

Build and operate a scalable data platform supporting warehousing, orchestration, business intelligence, governance, and agentic workflows. Develop Python services, Terraform infrastructure, and developer tools for petabyte-scale data. Partner with data practitioners and product teams, establish security and reliability patterns, set technical direction, improve engineering standards, and mentor engineers.

Build scalable, responsive frontend features using React and TypeScript for a high-scale observability platform. Collaborate with backend engineers, product managers, and designers to refine designs, plan rollouts, and deliver user-impacting functionality. Develop reusable components, contribute to the design system, improve performance, address scalability limits, and evaluate new frontend tools and patterns. Use AI coding tools in daily workflows while maintaining code quality, simplicity, and performance.

Responsible for designing, developing, and implementing RF test software systems, collaborating with teams, and ensuring performance validation of complex components.

As a Backend Software Engineer, you will design and implement scalable services, focusing on API design and system architecture while mentoring team members.

The Senior Software Engineer will design and support Kubernetes infrastructure, develop applications in Go, and enhance platform reliability, performance, and observability in CoreWeave's AI-focused environment.

As a Video Engineer at Whatnot, you'll enhance the platform's video services, develop seller tools, and implement innovative video strategies to improve user engagement and experience.

Build a world-class Customer Support platform as a Senior Backend Engineer, managing high-scale backend systems and leading projects from inception to production.

As a Senior Backend Engineer, you will build internal operations tooling, scale infrastructure, and create AI-powered automations to improve operational efficiency at Whatnot.

As a Senior Software Engineer on the Logistics Platform team, you will enhance logistics systems by building APIs, improving data quality, and partnering with cross-functional teams to solve complex problems, ultimately improving user experiences and operational outcomes.

Lead frontend development for Coinbase identity experiences including login, signup, OAuth, account security, and multi-factor authentication. Own projects from design through deployment and monitoring, guide Native versus Webview architecture, author technical designs, resolve systemic technical debt, lead on-call and incident response, and mentor engineers.

Develop and optimize high-throughput C++ algorithms for remote sensor data exploitation, image analysis, detection, and tracking. Design software architecture, work with databases and Linux systems, contribute to Agile teams and shared tools, and apply multithreading, concurrency, data structures, and performance optimization expertise.

Designs, develops, and maintains full-stack services using Java, Spring Boot, TypeScript, and APIs. Builds microservices and reactive systems, deploys cloud-native applications on AWS, and manages infrastructure as code. Leads secure adoption of AI-assisted engineering practices, including validation, testing, troubleshooting, and code improvement. Applies 12-factor principles, implements CI/CD and observability tooling, and executes performance and load testing. Preferred work includes multi-agent environments, Agent2UI, A2A protocols, and LLMs.

Leads design, development, testing, debugging, and operational stability for secure, scalable Java microservices using Spring and JPA. Reviews production code, automates recurring remediation, improves CI/CD and software delivery, and promotes enterprise-approved AI-assisted engineering practices. Evaluates architectures and vendors, leads technical communities of practice, and coaches teams on responsible, secure AI adoption and software engineering standards within financial services.

Designs and develops calibration, test, production-support, and sustaining software for infrared sensing systems. Participates in requirements reviews, software design, coding, unit testing, system integration, and debugging. Works with embedded, multithreaded systems, hardware subsystems, peripheral buses, thermal chambers, and imaging technologies. Builds toolchains and development environments while reducing test time and supporting high-volume product testing.

Design and build scalable frontend features and reusable UI components using React and TypeScript. Collaborate with PMs, designers, and backend engineers on architecture, state management, API integration, performance, accessibility, and testing. Drive best practices for CI/CD, code quality, documentation, planning, and user experience.