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CACI International

Full Stack Software Developer

Open 18d North AmericaContract

CACI is hiring a full stack developer to build secure web applications and investigative tools for DHS's Cyber Crimes Center, including dark web (Tor) work for law enforcement. Day to day involves Python/JavaScript development, React/Angular/Vue frontends, Django/Flask/Express backends, REST APIs, Docker/Kubernetes, and PostgreSQL/MySQL — onsite in Fairfax, VA with up to 25% US travel.

AI Angular API Api Design CI/CD +31 skills

Software Engineer

Open 18d North America

Full-stack software engineer roles at high-growth AI startups in New York, sourced via Surge Group. You build products 0→1: React/TypeScript frontends, Python or Node.js backend services and APIs, infrastructure, and LLM/AI agent integrations, working directly with founders and customers.

Agentic AI AI API LLM Node.js +3 skills

Remote Senior Backend Engineer, Integrations

Open 19d HybridNorth AmericaFull-timeSenior

Senior backend engineer on Horizon3's Platform Integration Team, building the NodeZero security platform's customer-facing GraphQL API, a reusable Integration Router for connectors (CrowdStrike, Splunk, ServiceNow, etc.), and MCP/agentic workflows, with on-call production ownership using Python/Go/TypeScript, Kafka, Kubernetes, and Datadog.

Agentic AI Agile AI API Authentication +33 skills

170K – 235K $

MACHINE LEARNING TECHNOLOGIES LLC

Senior iOS Engineer: Innovate & Lead Mobile Apps

Open 19d North AmericaLead H-1B sponsor history

Senior iOS engineer who leads the design, development, and deployment of advanced mobile apps, collaborating with cross-functional teams to drive mobile initiatives from concept through release at this Alpharetta, GA machine-learning company. Core focus: iOS development, architecture, and clear technical documentation.

iOS Machine Learning

Software Engineer

Open 19d North AmericaFull-time

Software engineer at Optum building cloud-native web applications — enterprise microservices, REST APIs, and large React frontends — deployed on Azure/AWS with Docker, Kubernetes, Terraform, and CI/CD. Also works on emerging AI integration: LLMs, generative models, OpenAI APIs, and AI-assisted dev tools.

Agile AI API Api Security AWS +29 skills

Next Frontier Capital

Senior Java/Python Software Engineer - Stack or Backend

Open 19d North AmericaSenior

Software Engineer II/III on JPMorganChase's Global Technology team, designing, building, and maintaining scalable, secure enterprise systems. Day-to-day work spans Java/Python development, mobile features, big data, cloud integrations, and modern CI/CD with AI-assisted coding tools.

AI Big Data CI/CD Cloud Secure Coding

Cantos Ventures

Senior Software Engineer - Quantum Orchestration Backend

Open 19d North AmericaSenior

Senior Software Engineer at Atom Computing building and maintaining the backend software stack that orchestrates quantum computing workloads, collaborating closely with Quantum Engineers. The role centers on Python and SQL, with an interest in quantum mechanics expected.

Java Lead Engineer - Cloud-Native Backend on AWS

Open 19d HybridNorth AmericaLead

Lead backend Java development (Software Engineer 5) in a hybrid Chicago role: mentoring distributed teams and delivering scalable, cloud-native enterprise platforms. Core stack is Java 17, REST microservices, and AWS, with 10+ years of Java experience expected.

AWS Cloud Java Microservices

Jeppesen Foreflight Careers

Remote Sr Software Engineer, Cloud Services & Backend Modernization

Open 19d RemoteNorth AmericaSenior

Senior software engineer building the next generation of AWS cloud-hosted backend services for Jeppesen Download Manager, which lets pilots and aviation customers access and distribute Jeppesen data across desktop, mobile, and avionics. Also supports legacy infrastructure (Kubernetes, Docker, PHP, SQL Server, CloudFormation); remote-friendly with periodic office visits preferred in Denver or Austi

Agentic AI AI Automation AWS Candidate Experience +14 skills

131K – 160K $

Sr Software Engineer II, Cloud Services & Backend Modernization

Open 19d RemoteNorth AmericaFull-timeSenior

Senior engineer building the next generation of AWS cloud-hosted backend services for the Jeppesen Download Manager, used by pilots and aviation customers to manage and distribute aeronautical data. Day-to-day involves modernizing cloud-native architecture while maintaining legacy infrastructure (Kubernetes, PHP, SQL Server, Docker, CloudFormation), plus CI/CD, security, and production support. Re

Agentic AI AI Automation AWS Candidate Experience +14 skills

163K – 200K $

Backend Software Engineer Graduate (TikTok-PGC-Creator Strategy) - 2027 Start

Open 19d North AmericaJunior

Graduate backend engineer on TikTok's PGC Creator Strategy team, building reliable, scalable backend services for creator monetization — including the Creator Rewards Program's eligibility, reward calculation, governance, and payout workflows — using backend languages like Go, Java, C++, or Python with MySQL and Redis.

Cloud Cloud Native C++ Data Science Distributed Systems +8 skills

128K – 256K $

SmartRecruiters, Inc.

Executive Director, Engineering – Backend & Data Platforms

Open 19d North America

Executive-level engineering leadership role at AbbVie Allergan Aesthetics in Irvine: leads multiple teams building scalable backend platforms and data products, driving roadmaps, reliability, and data governance while partnering with product, architecture, security, and business stakeholders.

Data Governance

SmartRecruiters, Inc.

Backend Software Engineer | $135K-$145K + Hybrid + Equity | SaaS Outage Intelligence Startup

Open 19d HybridNorth AmericaFull-time

Backend engineer building Python services that process real-time outage data for a B2B SaaS outage-intelligence startup serving critical-infrastructure enterprises. You'll design and ship features, work with APIs, message queues, and data-intensive distributed systems, and debug production issues. Hybrid: 3 days onsite in King of Prussia, PA.

API Automation Data Pipelines Data Quality Distributed Systems +6 skills

135K – 145K $

Senior Merchant API Engineer (Remote) – Backend Ownership

Open 19d RemoteNorth AmericaSenior

A senior backend engineer who designs and owns merchant-facing APIs (onboarding, disputes, reconciliation, merchant catalog) on a Python/Django stack, collaborating with product and GTM teams. Fully remote within the United States, with strong emphasis on autonomy and architectural ownership.

API Django Python

General Atomics and Affiliated Companies

Backend Software Engineer – Real-Time Intelligence

Open 19d North AmericaMiddle

General Atomics' intelligence division (GA-Intelligence) is hiring mid-level backend software engineers in Virginia to build real-time global situational awareness and battle orchestration software for cloud and bare-metal environments. The role owns features from design through deployment, collaborating with UI/UX, data science, and product teams and mentoring junior engineers.

Senior Backend Software Engineer

Open 19d On-siteNorth AmericaFull-timeSenior

Job Spread, a recruitment-matching company, is hiring a Senior Backend Software Engineer to design, build, and maintain the backend services and APIs powering its platforms. Day to day: developing scalable server-side applications, optimizing databases, troubleshooting production issues, and shaping architecture — on-site in Hagåtña using languages like Java, C#, Python, or Go with REST/GraphQL an

API CI/CD Cloud Containerization C# +12 skills

Twenty Technologies

Senior Backend Software Engineer

Open 19d North AmericaContractSenior

Builds Go backend services for Twenty's offensive cyber operations platform: high-throughput APIs, graph database modeling, NATS event-driven pipelines, and AWS microservices for mission-critical national security work. Onsite, full-time, U.S. citizens only; no active clearance required.

AI Analytics API AWS CI/CD +13 skills

Backend Software Engineer – Python, Cloud & Data (Hybrid)

Open 19d HybridNorth America

Hybrid backend software engineer at Talentify in Foster City, CA who designs, builds, and maintains Python backend processes and integrations, deploys cloud resources with Terraform, and contributes to React/TypeScript frontend tasks on internal apps supporting product design, manufacturing, logistics, and inventory.

Cloud Python React Terraform TypeScript

Senior Backend Infra Engineer – Real-Time Fraud Systems

Open 19d North AmericaSenior

RecSkills is hiring a Senior Backend/Infrastructure Engineer in San Francisco to build real-time fraud and risk detection infrastructure. Day to day, the engineer scales distributed systems that process billions of events for millions of users and ships features in collaboration with engineering and product teams.

Distributed Systems

Senior Java Backend Engineer - Remote-First, Full Ownership

Open 19d North AmericaSenior

Senior hands-on Java backend engineer at Botco.ai in Scottsdale, AZ who owns initiatives end-to-end: building RESTful Java microservices, keeping data pipelines reliable and observable, and influencing architecture with the VP of Engineering in a lean, startup-like environment.

AI Data Pipelines Java Microservices Observability +1 skills