Top Senior Software Engineer Jobs

As a Senior Software Engineer, you will design APIs, manage database architecture, optimize performance, and collaborate with cross-functional teams to support the Data Platform Team's backend solutions.

Design and implement high-performance UI and APIs, manage database architecture, develop applications, and ensure system scalability and optimization while collaborating with scientists and engineers.

Build and own real-time security dashboards, event triage UIs, and fleet management tools. Implement interactive UIs (canvas rendering, data visualization, WebRTC), extend GraphQL APIs and Django backend, optimize PostgreSQL schemas, ship end-to-end features, collaborate with ML teams, maintain observability, and participate in code reviews and on-call rotations.

Senior Software Developers design, develop, and support full-stack enterprise applications (.NET, React, Python). They translate business requirements into scalable solutions, contribute to architecture decisions, implement AI-enabled features (LLMs, semantic search, RAG), write production-quality code, mentor junior engineers, participate in code reviews, and support CI/CD, debugging, and modernization efforts across multiple firm application workstreams.

Develop reliable software for SpaceX's launch vehicle production and flight. Create applications, manage engineering changes, and improve systems to support engineering. Collaborate on architecture and design, ensuring performance and integration of AI systems.

Lead architecture and implementation of ledger, payments, and money-movement systems. Design reliable backend services, integrations, and data models for balances, reimbursements, reconciliation, reversals, and payment state. Guide technical decisions, mentor engineers, partner with product leadership, and apply production financial systems experience to ensure correctness and operational reliability.

The Staff Software Engineer will architect and scale backend systems for AI workflows, ensuring robust performance and reliability in enterprise applications.

The Senior Software Engineer will build a scalable real-time production service, manage distributed inference systems, and oversee data pipeline implementation.

The Senior Product Engineer will deliver the iOS app for Stream, collaborating across teams for architecture, optimization, and user experience enhancements.

Design and build AI-driven agents and large-scale backend systems to improve efficiency in revenue organizations, ensuring reliability and scalability during high-volume processing.

Design and build scalable, event-driven backend systems for AI agents, ensuring reliable agent logic, orchestration, and fault tolerance across workflows.

The Senior/Staff Software Engineer will build and scale search and retrieval systems to enhance AI agents, ensuring data relevance and accessibility for customer interactions.

As a Senior/Staff Full Stack Engineer, you will design and implement the user interaction systems for Actively's AI Agents, owning the end-to-end development process from backend to frontend, while ensuring high performance and usability based on customer feedback.

Design and build foundational systems for user interaction with AI agents through a web interface, including architecture, features, and intelligent interactions, ensuring high performance and customer-centric experiences.

Build and scale search and retrieval systems for Actively's AI agents, leveraging diverse data sources and improving relevance and precision in outputs.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

Design, develop, and maintain scalable backend systems and microservices for fintech products. Build REST APIs, support greenfield projects and improve existing systems (card payments, treasury, transactions, crypto liquidity). Use Java and Spring Boot with Postgres, practicing TDD, DDD, and CI/CD to deliver maintainable, high-performance services.

Design, develop, and maintain scalable backend systems and microservices (payments, treasury, transactions, crypto). Build REST APIs, use Java and Postgres, apply Spring Boot, TDD, DDD, and CI/CD to deliver maintainable, high-performance services.

The Staff/Principal Software Engineer will work in a remote global team, addressing software engineering challenges while fostering collaboration and clear communication.

As a Senior Software Engineer, you will architect and maintain software solutions, mentor junior engineers, and collaborate to deliver robust applications.

Lead development of backend systems and integrations to ingest and process large-scale data, design secure multi-tenant SaaS architectures, own APIs and platform work, mentor engineers, author technical proposals, and troubleshoot production issues to minimize downtime.

Lead the technical direction for biller-workflow platforms, define frontend/backend standards, solve cross-team problems (data-dense UIs, bulk operations, unified claim timelines), embed AI where valuable, ensure production reliability and performance, and mentor engineers while partnering with product and design to ship incremental, high-impact improvements.

Design, build, and maintain end-to-end integrations between Commures platform and third-party healthcare systems (EHRs/EMRs). Implement scalable, reliable solutions using LLMs and modern cloud tooling, ensure HL7/FHIR and HIPAA compliance, troubleshoot production issues, mentor junior engineers, and drive integration platform architecture and monitoring.

Own and ship full-stack systems spanning cloud services, device firmware, web and mobile apps, and OTA pipelines. Build Go services on GCP/Spanner with gRPC, improve on-device TypeScript and firmware, harden update/image builds, support SvelteKit/Swift/Kotlin apps, and diagnose fleet issues via BigQuery. Operate production systems end-to-end and collaborate across the stack to safely deliver updates to physical machines.

Lead the architecture and development of an inference engine for Databricks Model API, optimizing for performance and scalability while collaborating with researchers and cross-functional teams.