Top Senior Software Engineer Jobs

Build and own customer-facing platform tooling across backend, web, and mobile for onboarding, compliance, and support. Ship end-to-end features, operate DevOps lifecycle, use AI-assisted/agentic development, mentor engineers, conduct code reviews, and drive ambiguous cross-team problems to resolution.

As a Staff Software Engineer, you will design and build cloud systems for autonomous drone operations, integrating complex data models and managing large fleets. You'll collaborate with cross-functional teams and provide technical leadership while maintaining system reliability.

Lead cross-stack design and delivery of customer-facing tooling (onboarding, KYC, support) at scale. Set architecture and technical direction, own DevOps and operational lifecycle, leverage AI-assisted development, run multi-team projects, conduct code/design reviews, and mentor engineers to drive high-impact, product-focused outcomes.

Lead technical architecture and hands-on development for consumer and care products. Drive major platform initiatives, mentor engineers, set coding standards, improve development processes, and partner with cross-functional teams (privacy, security, quality) to deliver scalable, compliant software.

Own end-to-end full-stack features: frontends, backend services/APIs, analytical SQL over large datasets, data pipelines/caches, multi-cloud integrations (GCP/AWS), and auth systems. Ship production code with strong testing, observability, and reliability; participate in architecture reviews and mentor junior engineers.

The Senior Staff Software Engineer will lead, architect, and build ERP software, collaborating with various stakeholders to optimize operations and deliver impactful software solutions.

Design, develop, test, and implement navigation software and algorithms for sensitive navigation sensors. Collaborate with interdisciplinary teams, perform numerical analysis and optimization, deploy software in POSIX and real-time environments, and support lab and field/at-sea testing. Lead responsibilities and documentation expected for higher-level appointments.

Support software safety for Navy systems throughout the lifecycle: assess software contributions to hazards, evaluate requirements/architecture/tests, support MIL-STD-882E/JSSSEH safety analyses and certification, develop safety documentation, investigate anomalies, and collaborate with developers, systems engineers, and government stakeholders. May include software development, integration, testing, and advanced research tasks for senior roles.

As a Senior Software Engineer, you will develop and modify software applications, analyze user needs, optimize code, and manage project deliverables.

Design, build, and scale GraphQL APIs, low-latency gRPC services, and SQL-backed wagering flows for online casino products. Own complex technical problems end-to-end, improve production performance and observability (DataDog), mentor engineers, and deliver integrations with game providers while operating services on Kubernetes and participating in on-call rotations.

Lead design and implementation of scalable APIs and agent communication layers for an AI-agent driven advertising marketplace. Build high-throughput backend systems, integrate agent frameworks and adtech partners, drive architecture for authentication and protocols, mentor engineers, and prototype agent communication patterns while collaborating with product and design.

Build and own end-to-end, production-grade full‑stack features across backend, frontend, data pipelines, and infrastructure. Collaborate with stakeholders to translate business problems into shipped software, drive cross-team initiatives, and improve tooling and code quality. Use AI coding tools daily to accelerate development and maintain reliability for customer-facing products.

As a Software Engineer, you'll design and develop microservices using a cloud-native tech stack, with a focus on financial services and secure systems.

Lead design and implementation of cloud-based backend systems for global antenna scheduling, customer-facing APIs, billing/metering, and orchestration. Build reliable, scalable control and data planes across cloud and on-prem, collaborate with customers and operations, and enable secure TT&C and payload data transfer.

The role involves designing, developing, and delivering connected fleet solutions, while participating in code reviews, automation, and documentation. Requires full-stack development skills and experience with cloud services.

Troubleshoot and resolve complex system-level issues across kernel-to-application layers, optimize OS performance, maintain OS-related software components, collaborate with hardware team for new platform delivery, and apply deep Linux kernel and networking expertise.

Lead frontend design and delivery of data-intensive, real-time generative-AI user experiences. Build interactive dashboards, streaming UX, scalable state, and integrations with backend systems; mentor engineers and collaborate with product, design, and AI teams to improve latency, accuracy, and user trust.

Design, build, and maintain large-scale data infrastructure and backend systems to power ROI measurement and automation. Collaborate with data scientists, health economists, and product to automate claims ingestion, standardize pipelines, expand targeted enrollment, integrate AI-driven solutions, and improve system maintainability, availability, and performance. Mentor junior engineers and contribute to architecture and deployment practices.

Design and own an immutable, event-oriented accounts and ledgering system for RCM. Build idempotent posting/adjustment pipelines, reconcile billed charges, remittances, and bank deposits, ensure report consistency, operate money-critical Postgres systems, and set observability, security, and operational standards while mentoring senior engineers.

Lead the design, development, and delivery of complex features for the Hyperlift Stars Platform. Responsibilities include setting technical direction, architectural guidance, and improving the efficiency and reliability of data-intensive software systems.

Design, implement, and optimize Elasticsearch core storage and query engine components for observability workloads. Drive architectural improvements, resolve performance bottlenecks in indexing and serialization, optimize data layouts for object storage, lead cross-organizational initiatives, mentor engineers, triage community issues, and write idiomatic modern Java in a distributed team.

Drive architecture and technical vision for Elasticsearch core storage and query engine. Lead performance and storage-efficiency improvements, design indexing/serialization/data layouts, mentor engineers, coordinate cross-organizational initiatives, triage community issues, and write idiomatic modern Java for logs and metrics workloads.

Build and maintain the GG App across Windows, macOS, and iOS including installers, background services, auto-update systems, enterprise deployment paths, health reporting, AWS backend, and documentation. Lead architecture decisions, mentor engineers, participate in on-call support, and champion AI adoption and automation across engineering.

Own and deliver complex backend features for a SaaS platform end-to-end. Write production-ready code, define test strategies, handle incident response, use AI tools in development, collaborate across product and design, and improve developer workflows, deployments, and system reliability.

Lead and implement backend and developer-experience initiatives across Clojure and Go systems. Define architecture, build and operate distributed services, event pipelines, databases and APIs, improve observability and reliability, mentor senior engineers, and drive cross-team delivery from ambiguity to measurable outcomes while participating in on-call rotation.