Top Senior Software Engineer Jobs

Design, build, and operate a production-grade billing platform for an agentic search API: metering, aggregation, prepaid wallets, subscriptions, enterprise contracts, reconciliation, idempotency, invoicing, migration to a new billing system, observability, and SOX/compliance readiness.

As a Staff Software Engineer, you will own the core systems for database architecture, caching, and performance optimization, ensuring reliable and scalable infrastructure for clinical workflows in healthcare. You'll design and implement systems to improve latency and reliability while managing multi-tenant data and compliance needs.

Seeking a Senior Software Developer with DevOps experience to enhance cybersecurity initiatives, develop applications, maintain code, and collaborate on data management.

Design and implement scalable, resilient cloud and edge microservices in Go for an AI-focused identity and privileged access platform. Build cloud control plane and distributed edge backends, ensure secure policy synchronization and discovery, integrate AI-native features, mentor engineers, and drive architecture and engineering best practices.

Design, implement, test, and review high-throughput Java services for payments. Lead SDLC activities, ensure performance and security, mentor engineers, and document architectures while aligning technical solutions with business and regulatory needs.

The Senior Software Engineer will enhance Attentive's event streaming platform, architect high-throughput systems, improve tools for product teams, and tackle complex distributed challenges. Responsibilities include collaborating on messaging systems and modernizing the architecture.

Design, build, and improve software products across the SDLC. Independently solve broad technical problems, define technical solutions, optimize performance, implement DevOps/CI/CD and test automation, ensure software security, and collaborate across teams to deliver high-quality features on schedule.

Design and implement scalable components and infrastructure for internal developer platforms and distributed systems. Optimize tooling and services to reduce developer friction, perform technical design and code reviews, advise on software design patterns, lead cross-functional technical initiatives, develop reusable frameworks and internal APIs, own shared libraries/SDKs, and use telemetry and logs to identify bottlenecks and guide architectural improvements.

As a Staff Software Engineer at Amplitude, you will enhance the OLAP engine, optimize infrastructure, ensure reliability, and provide technical leadership across diverse projects.

Support and maintain the CLOAS mainframe Long Term Care policy administration system. Monitor and resolve production incidents, design and implement COBOL/JCL/CICS/IMS changes, assist testing and change control, create data reports for business and audits, and collaborate with cross-functional teams to ensure system health and timely incident resolution.

Own and scale the search, indexing, and data-scanning infrastructure for petabyte-scale data. Optimize hybrid lexical and vector retrieval for sub-second latency, design cost-effective hot/warm/cold data tiering and massive asynchronous scans, drive down latency and cost, and provide technical leadership for resilient, highly available indexing and retrieval systems.

Own and scale the core betting experience across mobile and web using React Native. Diagnose and fix critical client issues, lead cross-platform design reviews, partner with backend/product/design, use analytics to validate changes, coach engineers, and drive reliability, performance, and developer-velocity initiatives.

Build and operate Ziplines maps infrastructure and data pipelines to serve geospatial data and map-driven services for human workflows and autonomous systems. Own end-to-end ingestion, processing, validation, APIs, and production reliability at large scale, collaborating across autonomy, routing, simulation, and operations.

Design and develop software to integrate medical devices with EMR/Hospital Information Systems using HL7 and DICOM. Select appropriate architectures, implement solutions in C#/C++/.NET, and follow SDLC best practices. Work with medical device data and hospital systems; cloud experience is a plus.

Assess business requirements and existing systems, design and document solutions, define development approach, mentor developers, perform code reviews and NUnit testing, ensure alignment with enterprise standards, work with infrastructure architects, and resolve architectural issues to deliver quality solutions on schedule.

Develop and test Windows applications and reference apps for wearable devices. Create test strategies, write and execute unit/white-box/integration tests, automate testing, collaborate with global teams, and improve testing processes and SDLC practices.

Design, develop, document, test, and deploy ASP.NET/C# three-tier enterprise web applications. Implement unit and automated integration tests, work in a CI environment, refactor code, and participate in Agile/Scrum development.

Assess business requirements and existing systems, design and document solution concepts and architectures, define development approach and SDLC deliverables, mentor developers, perform code reviews, liaise with infrastructure teams, resolve architectural issues, and ensure solutions align with enterprise standards and deliverables.

Build and maintain a developer platform that scaffolds configured codebases; design abstractions, infrastructure integrations, and AI-assisted workflows. Deliver scalable, secure backend services across Kotlin/Java, Python, and TypeScript, own architecture decisions, lead reviews, triage production issues, and embed CI/CD and data quality practices.

Lead full‑stack design and architecture using .NET/C#/Angular and cloud (GCP/Azure). Collaborate across teams, ensure quality, testing, security, documentation, troubleshoot production issues, mentor engineers, and adopt AI tools to improve performance and processes.

Design and build backend services, APIs, SDKs, and user-facing systems enabling secure agent-to-agent financial interactions. Implement cryptographic identity, payment workflows, transaction processing, reputation tools, and scalable infrastructure for AI-native financial products.

Lead architecture and backend development for the vCluster platform by designing and implementing Kubernetes-native solutions in Go, owning features end-to-end, contributing to open-source, and solving deep systems challenges around multi-tenancy, isolation, and GPU infrastructure.

Architect and build core backend components of the vCluster platform by working deeply with Kubernetes internals. Write high-performance Go code, take end-to-end ownership from design to release, contribute to open-source projects, and solve complex systems and multi-tenancy problems for GPU and Kubernetes-based infrastructure.

Build and own foundational data infrastructure for Member Marketing and Coverage Eligibility: define data contracts, ensure identity and lineage, implement observability and reconciliation, modernize file/API integrations, design for correctness and auditability in regulated workflows, and lead cross-functional delivery and technical standards.

Design and implement core, high-performance services for an enterprise-scale AI policy engine. Own architecture and APIs, make tradeoffs across correctness, consistency, availability and latency, and work across stack from data models to product surface to ensure auditable, reliable governance under concurrent load.