Top Software Engineer Jobs

Design, develop, and deploy cloud-native, scalable applications and APIs (Python/TypeScript/React) on AWS. Lead full application lifecycle, implement IaC and CI/CD, mentor developers, optimize performance, and integrate microservices. Collaborate cross-functionally and drive code quality and testing best practices.

Client-facing senior software developer responsible for building and supporting the Global Prime Services Swaps backoffice platform. Work includes implementing trade processing, clearing models, order management and real-time P&L systems, day-to-day support (≈30%) and development (≈70%), and direct collaboration with trading desks, operations, middle office and internal tech teams.

Develop and maintain Jefferies' high-performance fixed-income e-trading platform focused on credit products. Build scalable, highly available real-time trading applications, support existing infrastructure (ION, Java, Kdb), collaborate with traders and quants to gather requirements, and champion SDLC and test-driven development while balancing delivery with governance and compliance.

Design, develop, and support high-performance swaps trading and post-trade systems focused on corporate actions processing. Implement trade capture, booking, validation, lifecycle events, settlements, reconciliations, and event-driven workflows. Collaborate with trading, operations, risk, finance, and technology teams, troubleshoot production issues, and contribute to architecture, code reviews, testing, and engineering best practices.

Develop, maintain, and optimize full-stack web applications for internal and external users. Collaborate with cross-functional teams to define and deliver features, fix bugs, identify performance bottlenecks, and uphold code quality and automation.

Design, develop, and optimize high-performance C++ systems for ultra-low-latency media streaming. Build and improve streaming pipelines (WebRTC, GStreamer, RTP/RTCP), analyze performance across server, network, and media pipelines, and collaborate with encoding, cloud networking, and systems teams to define KPIs and reduce latency for cloud gaming and related use cases.

Lead and organize the RFIO software development team to design, integrate, and certify DAL A avionics software. Develop software requirements, perform code reviews, interface with hardware and FPGA teams, support flight testing, and prepare certification and planning documentation following DO-178C/DO-254/DO-160G standards.

Design and develop multi-threaded, multi-process, and distributed high-performance computing software. Develop system-level software on Linux using C++/Java, automate with Shell and Python, and diagnose complex kernel, driver, storage, networking, and HPC performance issues. Work on cloud/datacenter, virtualization, containerization, and cluster orchestration technologies; perform performance tuning, scalability, and root-cause analysis.

Develop and scale Pipedream Connect, building API and backend features that integrate Workday and third-party applications. Responsibilities include designing authentication scopes, enterprise account connections, document management, authorization capabilities, and high-volume distributed systems. The engineer will work across Go, Node.js, Rust, Rails, Kotlin, SQL, Redis, and Kubernetes; lead small engineering teams; deliver significant product features; and collaborate on testing, architecture, documentation, and technical direction.

Lead the design, development, and operation of scalable, secure cloud services and Kubernetes infrastructure. Provide technical direction across engineering teams, mentor developers, establish engineering standards, and drive reliability, incident response, automation, cluster lifecycle, workload scheduling, platform efficiency, and multi-tenant systems across commercial and government cloud environments.

Designs, develops, tests, documents, and deploys software enhancements for Clinical Solutions products. The role includes front-end development, API and database work, troubleshooting, release preparation, peer reviews, and application support. It mentors developers, promotes engineering standards, coordinates issue resolution with business and IT teams, and contributes to agile planning. The engineer is also expected to apply AI-first development practices and communicate best-practice technical solutions.

Build software that integrates with physical turbomachinery and factory systems: own components, ship production-ready code quickly, work with telemetry, HPC/GPU workloads, AI agents, and collaborate directly with engineers and technicians to deliver tools used in testing, design, and operations.

Designs, develops, tests, deploys, and maintains C#/.NET applications, APIs, and services. Translates business requirements into scalable technical solutions, troubleshoots complex issues, participates in code reviews, supports CI/CD, and contributes to secure and reliable software delivery. Provides technical guidance and mentorship while collaborating with engineering, product, and business stakeholders. Preferred experience includes AWS, Docker, Kubernetes, event-driven architectures, automated testing, observability, and modernization of legacy .NET applications.

Senior backend engineer responsible for setting technical direction, designing scalable distributed systems, building customer-facing web applications, mentoring engineers, and applying machine learning to large-scale healthcare data. The role requires Java, Scala, or Rust expertise, cloud systems experience, technical design leadership, cross-functional collaboration, and adoption of agentic engineering practices.

Leads the design and development of consumer-facing products connecting students and employers. Architects scalable distributed systems, influences technical direction across teams, mentors engineers, and champions engineering best practices. The role requires building high-availability systems for millions of users, collaborating cross-functionally, and delivering maintainable production software. Experience with search, recommendations, personalization, identity graphs, or AI-powered applications is advantageous.

Designs, develops, tests, deploys, and maintains software systems across the full development lifecycle. Evaluates customer requirements, determines technical feasibility, coordinates with engineering teams, communicates directly with customers, and provides ongoing support. The role requires an active TS/SCI clearance, five years of experience, and onsite availability as program needs dictate.

Develop and maintain full-stack applications spanning desktop, web, and backend services. Build multi-tier systems, improve production codebases, and lead automated testing across integration, end-to-end, and performance disciplines. Contribute to architecture and technical direction while supporting cloud-native infrastructure and DevOps practices using Kubernetes, Azure, ArgoCD, Istio, Pulumi, and Terraform/OpenTofu.

Leads technical initiatives and designs, builds, operates, and improves scalable distributed systems. Collaborates across organizations, drives maintainability and performance, evaluates emerging technologies, delivers iterative releases, and mentors engineers. Requires polyglot full-stack development, strong SQL and distributed systems expertise, cloud experience, communication skills, and quarterly or as-needed travel. Preferred experience includes event-driven architectures, AI-assisted development, Kafka, APIs, containers, infrastructure as code, monitoring, CI/CD, and agile methodologies.

Own and scale Zoox’s software systems engineering pipeline ecosystem, including static analysis, sanitizers, CI enforcement, dashboards, and quality metrics. Develop tools and infrastructure, transition prototypes into production systems, troubleshoot cross-platform and determinism issues, support checker rollouts, document system designs, and collaborate with engineering leaders on milestones, incident reviews, and long-term software reliability.

Own the technical foundation for cross-platform marketing tools used by internal teams and external partners. Build React Native mobile apps for iOS and Android, responsive web interfaces, dashboards, server-rendered pages, real-time data systems, third-party CRM and marketing integrations, AI-powered features, and device hardware integrations. Manage full-stack development across frontend, APIs, infrastructure, and observability.

The Staff Software Engineer will architect and manage Poshmark's Android app, collaborate with teams, write and review high-quality code, and drive feature development.

Build, operate, and independently own scalable backend services for a high-traffic marketplace. Responsibilities include designing APIs, data models, asynchronous workflows, and distributed-system integrations; troubleshooting production issues; improving observability, reliability, performance, and operational readiness; participating in design and code reviews; collaborating cross-functionally; supporting on-call operations; and mentoring junior engineers.

Lead the architecture and evolution of managed Kubernetes and cloud-native services. Provide cross-team technical oversight, standardize platform practices, integrate open-source technologies, improve scale, performance, security, and operational efficiency, and mentor engineering teams. The role requires expertise in Kubernetes-based platforms, container runtimes, cloud-native architectures, and Go, Python, or Bash.

Designs, builds, and operates core platform services for compute infrastructure, workflow orchestration, data pipelines, APIs, and MCP services. Responsibilities include improving reliability and observability, establishing operational standards, mentoring engineers, making architectural decisions, and translating enterprise customer needs into durable platform capabilities. The role supports AI-driven analysis of genomics and life sciences data at scale and requires hands-on backend, infrastructure, and distributed systems expertise.

Designs secure REST and message-based interfaces, mission applications, microservices, and data-ingestion pipelines for DIA and intelligence environments. Implements automated DevSecOps testing, DISA STIG compliance, telemetry, performance optimization, and secure inter-service communication. Develops backend systems, conducts code reviews, mentors engineers, and integrates enterprise platforms using message brokers, databases, search indexing, containers, and secure cloud environments.