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Senior Backend Engineer - Cloud, Kafka & Kubernetes|Equity

NewBe an early applicant North AmericaSenior

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.

Cloud Datadog GraphQL gRPC Kafka +6 skills

jobs.frontdoordefense.com - Jobboard

Senior Inference Backend Engineer – Scaled AI Cloud

NewBe an early applicant North AmericaSenior

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.

AI Lambda Machine Learning Model Deployment Python

325K – 490K $

Senior Backend Engineer - Elixir, AI-Driven & Scalable

NewBe an early applicant HybridNorth AmericaSenior

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.

Elixir Kubernetes

186K – 266K $

Information Technology Senior Management Forum

Senior Lead Backend Engineer: Cloud & Microservices Lead

NewBe an early applicant North AmericaLead

Senior Lead Backend Engineer at Capital One in Chicago leading a portfolio of distributed microservices and cloud-native systems. Day to day involves hands-on coding in Java, Python, Go and more, plus mentoring engineers while building on Docker, Kubernetes, and AWS.

AWS Cloud Cloud Native Docker Java +6 skills

Senior Blockchain Backend Engineer - Cross-Chain NFT

NewBe an early applicant North AmericaSenior

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.

API Blockchain Ethereum Smart Contracts Solidity

Sr. Backend Engineer

NewBe an early applicant North AmericaSenior

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.

API AWS Blockchain Ethereum MongoDB +9 skills

The Bitcoin Street Journal

Sr. Backend Engineer — CREAM, LLC

NewBe an early applicant North AmericaSenior

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.

API AWS Blockchain Ethereum MongoDB +9 skills

Développeur·se backend - Backend Developer

NewBe an early applicant HybridNorth America

Mid/senior backend developer at NorthStar Earth & Space, which turns optical telescope data into space domain awareness and space traffic management services. Day to day: designing, building and deploying distributed cloud data-processing pipelines using Go/Java/Python, Kubernetes, and big-data tools like Apache Spark and Iceberg.

CI/CD Cloud Flux Iceberg Java +5 skills

Junior .NET Developer (Cloud & Backend)

NewBe an early applicant EuropeFull-timeJunior

Junior backend developer joining Teoresi's Energy-sector team, building cloud-focused backend services with .NET 8/C# in Visual Studio, relational databases (ideally Oracle), and light DevOps. Remote work is possible; degree in computer engineering/science required.

Cloud C# DevOps .NET Oracle +1 skills

Senior Backend Developer (Tech Lead)

NewBe an early applicant EuropeLead

Guidoio, Italy's first online driving school, seeks a Senior Backend Developer (Tech Lead) to guide technical execution and a team of 4-5 developers while staying hands-on with code. The stack is Node.js/TypeScript (Fastify), Firebase/Supabase, and GCP/Cloud Run, with AI tools like Claude Code central to daily work.

Agentic AI Agile AI API CI/CD +16 skills

60K – 70K €

Regold by idealista: Backend Developer

NewBe an early applicant Europe

Backend Developer for Regold (by idealista), a digital platform and services suite for real estate agencies. Day to day you build and maintain PHP (Laravel/Symfony) APIs and backend services, work with MySQL and NoSQL databases, write automated tests, and help resolve production issues in a collaborative Milan-based team.

API AWS CI/CD DevOps Docker +10 skills

35K – 44K €

BACKEND SQL DEVELOPER

NewBe an early applicant Europe

Analyst/programmer at Renta 4 Banco's Madrid headquarters IT department, developing backend processes with Oracle PL/SQL and SQL-based applications. Requires 5+ years in a similar role plus OOP experience with .NET, C# or Java.

C# .NET Eclipse Java OOP +4 skills

Sabina Divosi - Headhunter & Talent Partner

Backend Developer (Node.Js / Typescript) | Microservicios & Fintech

NewBe an early applicant Europe

Backend developer building and scaling critical APIs in a Node.js/TypeScript microservices ecosystem (NestJS, RabbitMQ, PostgreSQL, AWS) for a platform transforming the banking/financial sector. Hybrid role based in Madrid (2-3 days in office), working in cross-functional squads with a mature CI/CD pipeline and Claude integrated into the dev workflow.

API AWS CI/CD Fintech NestJS +4 skills

Desarrollador Backend Senior Python

NewBe an early applicant EuropeSenior

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.

Agile AWS Azure Bash CI/CD +16 skills

Staff Software Engineer, Data Intelligence & AI Backend

NewBe an early applicant North AmericaStaff

Staff-level backend engineer leading backend teams: designs scalable backend services and data-processing workflows that turn unstructured customer data into reliable structured outputs, and shapes architecture across APIs, databases, cloud infrastructure, and LLM-powered systems while improving reliability and performance.

Reserv Claims Analysis, LLC

Senior Backend Engineer — Ruby on Rails, Remote

NewBe an early applicant RemoteNorth AmericaSenior

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.

CI/CD Rails React Ruby TypeScript

Senior AI-Driven Backend Engineer (RCM Automation)

NewBe an early applicant North AmericaSenior

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, AI-Driven Healthcare RCM

NewBe an early applicant North AmericaSenior

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.

RBC Capital Markets, LLC

Senior Backend Engineer: End-to-End Solutions Lead

NewBe an early applicant North AmericaLead

Senior backend engineer at RBC Capital Markets in Minneapolis who designs, develops, and delivers software that integrates vendor systems into back-office platforms. The role emphasizes technical leadership, managing multiple projects, and collaborating across teams; no specific technologies are named.

Senior Python Backend Engineer — Scale & Observability

NewBe an early applicant North AmericaSenior

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.

AWS Azure CI/CD Cloud Django +5 skills