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Senior Software Engineer

NewBe an early applicant North AmericaSenior

Senior Software Engineer joining a high-growth HealthTech company in New York City (hybrid) to build new products and scale its existing healthcare SaaS platform. Day to day: designing and building backend services, APIs and AWS integrations, owning features from technical design through production using Python, TypeScript, AWS, PostgreSQL and React.

API AWS PostgreSQL Python React +2 skills

220K – 240K $

Senior Software Engineer

NewBe an early applicant North AmericaSenior

Senior Software Engineer at a quantitative trading firm building electronic trading connectivity infrastructure: designing and maintaining order-routing systems and FIX connectivity for clients, brokers, and exchanges. Day-to-day is C++/Python/Java/C# development focused on low-latency, high-throughput systems across global markets.

C++ C# Fintech Java Python

Murphy & Associates, Inc.

Software Engineer in Test

NewBe an early applicant North AmericaContract

Quality engineer / SDET doing backend test automation for a large retail client (via Murphy & Associates consulting), hybrid onsite in Issaquah, WA. Day to day: writing test cases in C#, Python, JavaScript and SpecFlow, API testing with Postman/RestClient, data validation in SQL Server/Cosmos DB, and performance testing with JMeter/LoadRunner inside Azure DevOps CI/CD pipelines.

Agile API Automation Azure Azure DevOps +15 skills

56 – 60 $ / hr

Python Developer

NewBe an early applicant North America

Python engineer at a buy-side investment firm, working closely with quantitative researchers to build efficient, scalable data processing and retrieval workflows, owning projects through full production deployment. Core stack is Python and SQL, with AWS, Kubernetes, Kafka, and NoSQL as complementary skills.

AWS EKS Kafka Kubernetes NoSQL +3 skills

Datum Technologies Group

Java/Python Application Developer with AI experience

NewBe an early applicant North America

Long-term contract role building backend applications in Java (Spring/Spring Boot) and Python, using Kafka, Flink, MongoDB and Oracle, with conversational-AI work on Google Dialogflow CX, LLMs and agentic frameworks. Open to Phoenix, Charlotte or San Leandro; banking/fintech background is a plus.

Agentic AI AI API CI/CD Cloud +21 skills

Backend & Infra Engineer

NewBe an early applicant North America

Backend & Infra Engineer at Overjoy, an AI-native company that runs wholesale sales for consumer brands using AI agents. You co-own the backend and infra foundations: ingestion pipelines, job queues, AI-agent infrastructure, and Postgres performance. Stack: Python, FastAPI, PostgreSQL, Temporal, GCP.

Agentic AI AI API CRM Data Ingestion +11 skills

Backend & Infra Engineer — Scale, Reliability & Ownership

NewBe an early applicant North America

Overjoy is hiring a Backend & Infra Engineer in New York to co-own backend systems and infrastructure alongside the founding team, focusing on high-volume data ingestion, background processing, database infrastructure, and AI agent infrastructure, with an emphasis on reliability, scalability, and data integrity.

AI API Data Ingestion Developer Experience

Backend Software Engineer

NewBe an early applicant RemoteNorth America

Fully remote backend engineer (must be in US Pacific or Mountain time) at Atlassian, building REST APIs, CI/CD pipelines, monitoring, and CMS integrations for core customer-facing services, using languages like Java, Python, Kotlin, Go, or Scala.

API Atlassian AWS Cloud Docker +10 skills

Remote Backend Engineer III - Data Pipelines & APIs

NewBe an early applicant North America

Backend engineer at a clean-energy company who designs and scales data ingestion pipelines for solar energy systems, builds integrations, and contributes to backend services using JavaScript and NestJS.

Agile Data Ingestion JavaScript NestJS

Automox Technologies

Senior Software Engineer, Backend

NewBe an early applicant North AmericaSenior

Senior backend engineer building Automox's SaaS endpoint-management platform, working across the full lifecycle from specification through development, testing, and launch. Core stack is Golang/PHP (Laravel)/Java, PostgreSQL, Linux, RESTful APIs, and cloud-native tooling like Docker, AWS, and Kubernetes.

API Automation AWS Cloud Cloud Native +10 skills

Backend QA Engineer - FIX Protocol (Trading Systems)

NewBe an early applicant HybridNorth AmericaFull-time

Backend QA engineer at a fast-growing CFTC-regulated Chicago derivatives exchange and clearinghouse (hired via E-Frontiers): extends a Java-based QA automation framework and tests exchange, clearing and instrument management systems, with a focus on FIX protocol messaging, proprietary binary/file formats, and Playwright-based UI testing. Full-time hybrid in Chicago.

Automation Cucumber Java JUnit Playwright +2 skills

120K – 140K $

Mitchell Martin Inc.

Full Stack Java Developer /react (can do transfer - NO 3rd party Vendors) - Charlotte,NC

NewBe an early applicant North AmericaContract

Long-term contract (contract-to-hire possible) Full Stack Java Developer role in Charlotte, NC, via staffing firm Mitchell Martin. Work centers on core Java (5+ years), Spring, distributed applications, databases, UNIX/Linux, and React. W2 engagements only (no 3rd-party/C2C); visa transfers considered.

Java Linux Spring Unix

Synergyassure Inc

Java backend Developer - W2

NewBe an early applicant North AmericaContract

W2-only contract role for a Java backend developer based in Phoenix, AZ, with a mandatory in-person final interview there. Day to day involves building internet-scale reactive REST services with Java 11, Spring Boot (WebFlux/Reactor), NoSQL databases, and Kafka messaging, using Docker/Kubernetes and TDD practices.

API Cloud Docker Git Gradle +9 skills

Sr. Backend Engineer

NewBe an early applicant HybridNorth AmericaSenior

CHAMP is hiring a Senior Backend Engineer in its Engineering department, based onsite in Cleveland (4 days in office). The role supports CHAMP's cloud-based software platform that modernizes Motor Vehicle Agencies; specific backend technologies are not listed in the posting.

Java Backend Developer - Full Time

NewBe an early applicant North AmericaFull-time

Java backend lead role in Charlotte, NC: architect and build Spring Boot microservices for a banking-domain system, deliver REST APIs and Kafka/RabbitMQ integrations, ensure banking security compliance, and mentor engineers. Stack spans Java 8-17, Spring, Hibernate/JPA, Docker/Kubernetes, and cloud (AWS/Azure/GCP).

API AWS Azure Cloud Docker +20 skills

Intelliswift - An LTTS Company

Mobile App Developer with API

NewBe an early applicant North America

Designs, develops, and maintains mobile applications for Android and/or iOS, building and integrating RESTful APIs and third-party services. Works with Kotlin/Java, Swift, React Native, or Flutter, plus Git, Firebase, Postman, and CI/CD pipelines.

Android API CI/CD Firebase Flutter +11 skills

Android Developer

NewBe an early applicant North AmericaContract

Long-term contract role for an Android developer working onsite in Whippany, NJ, building native Android apps in Kotlin/Java. Day-to-day work centers on the Android SDK, Jetpack components, MVVM/MVP architecture, RESTful API integration, Material Design, and local databases like Room/SQLite.

Android API Java Jetpack Kotlin +3 skills

Resource Area for Teaching

Senior iOS Engineer (Onsite/Remote Hybrid)

NewBe an early applicant North AmericaContractSenior

Senior iOS engineer at MartianCraft building advanced Swift/SwiftUI apps: hands-on development, code reviews, mentoring junior developers, API integration, and direct collaboration with client teams. Hybrid role requiring onsite work in Houston, TX at least three days a week; open to full-time or 1099 contract.

AI API Automation Git GitHub +6 skills

ConsultNet Technology Services and Solutions

Software Engineer

NewBe an early applicant North AmericaContract

4-month contract-to-hire Software Engineer IV (hybrid, 3 days/week onsite) to develop, deploy, and monitor enterprise applications, with a focus on system performance and issue resolution. Core stack: C#/.NET, ASP.NET, Apache Kafka, Docker/Kubernetes, SQL Server, MuleSoft, and Splunk; 7+ years of development experience required.

API AWS Containerization C# Docker +17 skills

75 – 84 $ / hr

Staff DevOps/Kubernetes Engineer (Future Leader): $200-250K+

NewBe an early applicant North AmericaStaff

Sr. Principal DevOps engineer (leadership-track) at a large deep-tech company doing significant U.S. Federal Government work; hybrid role based in San Diego (3 days/week on-site) with high autonomy. Works on Kubernetes/Docker container platforms, IaC (Terraform, CloudFormation, Ansible), CI/CD (Jenkins, GitLab, GitHub), Python/Go/Bash, and DevSecOps.

Ansible Bash CI/CD Cloud Cloud Security +12 skills

175K – 235K $