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A senior backend engineer in Sunnyvale, CA who designs and maintains the core services powering the company's remote assistance platform, with a focus on a secure and scalable backend. The stack centers on Go and Python with cloud infrastructure experience.
Worldcoin is hiring a Senior Backend Engineer & Platform Architect in San Francisco to oversee architecture, build mission-critical features of World App, and drive engineering best practices. The role requires proven experience in software engineering for consumer mobile products and strong communication skills, paying $216K–$240K.
Builds scalable backend systems for an engineering simulation platform, with a focus on high-performance computing, cloud integration, and robust API design. Day to day involves distributed systems, data management, on-premise-to-cloud transitions, and infrastructure using Docker, Kubernetes, and CI/CD pipelines.
Talanto seeks a senior backend engineer to design, build, and scale Java/Spring Boot RESTful services for distributed systems on AWS and Kubernetes, while mentoring teammates in secure coding and testing. Requires 3+ years in B2B fintech or SaaS, working hybrid with product teams in a Bay Area/West Coast setting.
Senior backend engineer building and scaling Java microservices with Spring on AWS at Jobtailor. Day to day involves hands-on coding, designing robust APIs, contributing to architecture, mentoring, and coordinating onshore and offshore teams to deliver complex releases.
Builds scalable backend APIs and cloud services across multiple Salesforce platforms, designing multi-tenant architectures and exploring AI-driven development workflows with tools like Cursor, Windsurf, Claude, and OpenAI APIs.
SPAN (posted under Doist) is hiring a Senior Backend Software Engineer in San Francisco to build cloud services connecting its SPAN Panel and SPAN Drive hardware products. Day-to-day work is designing scalable backend features in Kotlin, TypeScript, and Python using Kafka, Kubernetes, gRPC, REST, GraphQL, and MQTT, with Datadog observability and team mentoring.
Lambda is hiring a Senior Inference Backend Engineer in San Francisco to build and optimize a distributed inference backend for real-time AI model deployment, working on high-throughput systems alongside internal ML researchers. Requires 5+ years of software engineering experience, strong Go or Python skills, and some ML exposure.
Senior backend engineer on Tubi's Core Experience Backend team, designing and implementing high-performance services with Elixir and Kubernetes for a leading free streaming platform. Hybrid San Francisco role focused on scale, security, and cross-functional collaboration.
Senior blockchain backend engineer on the VIMWorld ecosystem (hiring entity CREAM, LLC) in Las Vegas, designing NFT features and cross-chain architecture. Day to day is hands-on Solidity smart-contract development with a security focus, work across Ethereum, VeChain, and BSC, and leading integrations plus SDK builds for the platform's APIs.
Senior blockchain/backend engineer building VIMworld's smart NFT ecosystem: leading cross-chain integrations and token bridges, developing Solidity smart contracts, and building integration libraries/SDKs and APIs. Core stack includes VeChain, Ethereum, Binance Smart Chain, Solidity, TypeScript, Web3.js, React/React Native, and Unity.
Sr. Backend/Blockchain Engineer at CREAM, LLC (VIMworld) in Las Vegas building smart NFT product functionality and cross-chain integrations across VeChain, Ethereum, and Binance Smart Chain. Day to day: developing Solidity smart contracts, integration libraries/SDKs for servers and APIs, and leading technical roadmaps.
Senior Python backend developer joining a platform team to design, build, test and deploy high-performance distributed services and batch processing pipelines end-to-end, including production support and mentoring, in a stable international project. Core stack: Python, relational databases, CI/CD, messaging middleware and cloud, with financial-sector (regulatory) context.
Senior backend engineer at an insurtech platform, building scalable, maintainable software primarily with Ruby on Rails, with occasional React/TypeScript front-end work. Day to day involves cross-team collaboration and CI/CD, under a flexible work-from-anywhere policy.
Senior backend engineer on Commure's RCM Core team building AI-powered automation for healthcare revenue cycle management — turning manual financial tasks like denials and resubmissions into auditable automated workflows by designing guardrails, scaling a rule engine, and building dashboards.
Senior backend engineer at Commure building and shipping production AI for healthcare revenue cycle management: end-to-end ownership of AI features and integration workflows that turn manual claims work into auditable, AI-assisted operations. Core tech: backend services, AI agents, healthcare claims/RCM systems.
Jobtailor is hiring a Senior Python Backend Engineer in California to design, build, test, and operate backend systems at scale while mentoring junior engineers and guiding technical decisions. Core stack: Python with Django or Flask, plus CI/CD, observability, distributed architectures, cloud (AWS/GCP/Azure), and Terraform.
Senior Backend Engineer at Athelas/Commure building an AI-native platform that automates healthcare revenue-cycle workflows (claims, denials, remittance posting, document extraction). The role owns end-to-end AI feature delivery — prompt design through production backend infrastructure — plus observability improvements and mentoring engineers.
Design and ship end-to-end backend automation for healthcare revenue cycle management (RCM) — building guardrails, scalable rule engines, and auditable, AI-driven workflows that turn manual financial tasks into automated claims handling, as part of Commure/Athelas' RCM Core team.
8x8 Inc. is hiring a Senior Software Engineer in Cebu City to design and evolve a global messaging platform. Day to day, they build high-performance RESTful APIs and backend microservices focused on reliability and scalability, using C#/.NET Core, distributed systems, queues, and SQL/NoSQL databases with unit tests and CI/CD.
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