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Senior Software Engineer (Backend, Know Your Customer)

NewBe an early applicant RemoteNorth AmericaFull-timeSenior

Senior Backend Engineer at Sardine designs, builds, and maintains APIs and backend services for the company's Know Your Customer platform, collaborating with product and engineering teams and shaping engineering culture. The role requires 7+ years of web backend experience and favors Go, data pipelines, and fintech/compliance domain knowledge.

API Data Engineering Data Pipelines Fintech Go

Staff Software Engineer (Backend - FinHub, Transfers)

NewBe an early applicant RemoteNorth AmericaFull-timeStaff

Staff Software Engineer on Coinbase's FinHub Transfers team, owning architecture for crypto and fiat fund movement systems. Leads cross-team technical initiatives, mentors engineers, and drives reliability and scalability of high-scale distributed financial platforms using Go, Ruby, Python, or Java and cloud-native patterns.

AI Cloud Cloud Native Distributed Systems Generative AI +4 skills

218K – 257K $

Senior Backend Engineer (Remote Opportunity)

NewBe an early applicant RemoteNorth AmericaSenior

We are currently looking for a Senior Backend Engineer for a 100% remote position on a large federal government healthcare technology project. This role will support the design, development, and modernization of…

Agile API Authentication AWS CI/CD +11 skills

Bright Vision Technologies

Lead Backend Developer

NewBe an early applicant RemoteNorth AmericaFull-timeLead

Designs, builds, and operates high-throughput backend platforms and shared services—request routing, traffic management, caching, async job execution, and durable event processing—for internal engineering teams. Requires deep distributed-systems expertise and hands-on proficiency in languages such as Java, Go, Scala, Rust, or C++.

AI API Cloud C++ Developer Experience +12 skills

Evoluservices Meios de Pagamentos

Analista Backend Java Júnior

NewBe an early applicant RemoteLATAM

Junior backend analyst who defines feature specifications with product owners and builds web apps and RESTful APIs using Java, C++, C#, Spring Boot, and MySQL for a health-payments fintech.

API C++ C# Fintech Java +3 skills

Software Engineer Backend (.Net/React)

NewBe an early applicant RemoteLATAM

O que buscamos? Buscamos uma pessoa desenvolvedora Full Stack com perfil colaborativo, orientada à qualidade e à melhoria contínua, que tenha facilidade para atuar em times ágeis, propor soluções técnicas e contribuir…

API AWS Azure CI/CD Cloud +11 skills

Senior Backend Engineer, Portfolio team (Python)

NewBe an early applicant RemoteUKSenior

About InvestEngine We're a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3.5 billion in assets — and we're just getting started.…

AI API Api Design AWS CI/CD +12 skills

Senior Backend Engineer, AI Code Review (Remote Contract, US or Canada)

NewBe an early applicant North AmericaContractSenior

Compensation: $125k – $187k • No equity Remote contract work for senior engineers: design rubrics and evaluation criteria for coding AI, review and label model output, and build data generation and evaluation…

AI JavaScript Python TypeScript

Staff Software Engineer, Backend (Continuous Integration)

NewBe an early applicant RemoteNorth AmericaStaff

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. We are seeking a seasoned Staff Engineer to…

AI Artifactory Automation AWS CI/CD +9 skills

Backend Software Engineer (Rust, Fully Remote)

NewBe an early applicant RemoteEurope, UK

Description MetalBear is remote-first, early-stage, and product-led. We're building mirrord, a Kubernetes development platform that lets developers and AI coding agents run code against a live cluster before…

Agentic AI AI API Cloud Cloud Native +6 skills

Senior Java Backend Engineer | Remote

NewBe an early applicant RemoteEuropeContractSenior

Junta-te à Data Group! Na Data Group tornamos a tecnologia simples e próxima, criando soluções de IT inovadoras que ajudam clientes em todo o mundo. Estamos em expansão em Portugal e acreditamos que crescer lado a lado…

AWS CI/CD Cloud Flux GitHub +16 skills

Staff Software Engineer, Backend (Identity International)

NewBe an early applicant RemoteUKStaff

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Identity at Affirm is mission-critical; it is…

Analytics AWS Distributed Systems Kotlin Kubernetes +3 skills

Senior Backend Developer (freelance)

NewBe an early applicant RemoteEuropeContractSenior

In short If you're a backend engineer who doesn't just build what's asked, but shapes how it's built, we want to talk. We're looking for someone who can own the technical direction of a project end…

AI API Api Design Aurora AWS +22 skills

Newfold Digital

Lead AI Back-End Engineer

NewBe an early applicant RemoteNorth AmericaLead

At Network Solutions, we’ve been trusted for decades to help people get online and stay ahead. We’ve been here since the beginning of the internet, and we’re still building for what comes next. As the original digital…

AI Anthropic API Api Design Azure +32 skills

Software Engineer II, Backend (Payments)

NewBe an early applicant RemoteUKLead

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm is reinventing credit to make it…

Analytics API AWS Distributed Systems Kotlin +3 skills

Senior Backend Python Engineer (Core Gateway)

NewBe an early applicant RemoteEuropeContractSenior

payabl. empowers businesses to grow through payments innovation and banking services. Our ambition is to expand our strong portfolio of global financial services and make them all accessible through our unified…

Agile AI API AWS CI/CD +14 skills

Backend Python Developer AI-native

NewBe an early applicant Remote

Novakid is on a mission to build the best online education platform for kids worldwide. We've already got over 90,000 students and 3,500 teachers making learning awesome in over 30 countries in Europe and Asia. But…

Agentic AI AI Anthropic API Automation +13 skills

Senior Back-End Developer

NewBe an early applicant RemoteEuropeSenior

Senior Back-End Developer at Grupo Clave (staffing) for a tech client, building scalable Java Spring Boot microservices with hexagonal architecture/DDD, 100% remote within EU, requiring 3+ years experience and high Spanish proficiency.

API CI/CD GraphQL gRPC Java +2 skills

Principal Backend Development Engineer (C++)

NewBe an early applicant APAC, MENAFull-timePrincipal

About Us Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by…

C++ Cryptocurrency Linux Multithreading Observability +2 skills

Lead Backend Development Engineer

NewBe an early applicant APACFull-timeLead

About Us Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by…

C++ Cryptocurrency Design Patterns Envoy gRPC +4 skills