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Framework Ventures

Senior Cross-Chain Backend Engineer - Remote

Open 19d North AmericaSenior

Senior backend engineer on Chainlink Labs' CCIP Protocol team, designing and maintaining services that coordinate fast, fault-tolerant cross-chain transactions under adversarial conditions. Day-to-day work centers on secure cross-chain message execution, latency reduction, and protocol security and scalability.

Senior Backend Engineer – Storefront Services (Remote)

Open 19d North AmericaSenior

Senior Backend Engineer building and maintaining the services that power BigCommerce storefronts. Day to day: collaborating with product managers and partner teams to design headless storefront solutions and integrations, evolving the storefront service to enable AI-driven shopping experiences, and improving performance and production reliability.

Backend Engineer - Email Infra (Remote)

Open 19d RemoteNorth America H-1B sponsor history

Fully remote backend engineer role at Lever, Inc. focused on building, operating, and improving high-volume email infrastructure — SMTP delivery, routing, retries, and delivery controls — in collaboration with Trust & Safety and Core Sending teams.

Senior Backend Engineer - Remote Cloud Modernization

Open 19d RemoteNorth AmericaSenior

Software Engineer II at Jeppesen ForeFlight building the next generation of cloud-hosted backend services that support JDM desktop and mobile applications — designing scalable cloud-native services while maintaining production infrastructure with a focus on uptime, data integrity, automation, and security. Remote-friendly, with preference for the Denver, CO or Austin, TX area.

Automation Cloud Cloud Native

Backend Engineer, MTA

Open 19d RemoteEurope, North America H-1B sponsor history

Builds and operates backend infrastructure for high-volume email delivery at scale — SMTP transport, MTA operations, routing, retries, throttling, and sender-reputation controls — collaborating with Trust & Safety and Core Sending teams. Fully remote role based in Italy; stack includes TypeScript, Go, AWS, PostgreSQL, and Datadog.

AWS Datadog Distributed Systems DNS Observability +3 skills

150K – 170K $

Randstad Digital

Senior Backend Engineer for AI Agents & MCP (Remote)

Open 19d RemoteNorth AmericaContractSenior

Randstad Digital is hiring a Senior Backend Engineer (contract, telecommute) to lead developer workflows on an OE Platform Enablement team, modernizing CI/CD automation and backend microservices that serve AI tools like Ada Agent and Quick Suite via MCP. Pay is $55-62/hour; a bachelor's degree and US work authorization are required.

AI Automation CI/CD MCP Microservices

55 – 62 $ / hr

Senior AI-Driven FinTech Backend Engineer

Open 19d North AmericaSenior

Senior backend engineer at Gynger building AI-native credit-risk infrastructure for fintech: designing scalable backend services, APIs, and data models for complex financial workflows. The role owns features end to end, from architecture through deployment, in a fast-moving startup.

Truelogic Software LLC

Remote Python Backend Engineer – APIs & FastAPI/Django

Open 19d RemoteNorth America

Truelogic Software is hiring a fully remote Python backend developer (1–3 years' experience) to design, build, test, and maintain scalable RESTful APIs using Django, Flask, or FastAPI. The role involves collaborating with cross-functional teams to deliver secure, performant systems for international clients.

API Cloud Django FastAPI Flask +2 skills

Weight Loss, Better Sex, Fuller Hair, Improved Skin And More Online

Remote Senior Backend Engineer, Care Platform Operations

Likely evergreen North AmericaSenior

Ro is a direct-to-patient healthcare company with a mission of helping patients achieve their health goals by delivering the easiest, most effective care possible. Ro is the only company to offer nationwide telehealth,…

Datadog Distributed Systems Django FastAPI Observability +2 skills

SoUT - Backend Developer - 154631

Open 19d North America

Backend developer building APIs, databases, and AWS infrastructure for DataGov.AI, a privacy-compliance reporting platform that helps Utah government entities automate data-privacy obligations. Based on-site/hybrid at Utah Valley University in Orem, UT, using Python/Node.js/Go, SQL and NoSQL databases, and AWS serverless tooling.

Agile AI API Authentication AWS +49 skills

Senior Java Backend Engineer - Microservices & Scalable APIs

Open 19d North AmericaSenior H-1B sponsor history

Senior Java backend engineer at Trax USA Corp who designs and builds secure, scalable microservices and APIs powering aviation software for a Tier 1 customer, collaborating across product, engineering, QA, and operations while mentoring others in a distributed Java architecture.

Backend Engineer II | C++/Rust for Low-Latency Ad Platform

Open 19d North America H-1B sponsor history

Software Engineer II on Magnite's DV+ Delivery Engineering team, building high-performance, low-latency backend components in C++ or Rust for a globally distributed ad serving platform that handles hundreds of millions of requests daily. The role covers technical design, cross-team collaboration, and ensuring production readiness through tests and reviews.

RESOURCESOFT, INC.

Java Backend Engineer - Spring Boot, AWS, REST APIs

Open 19d North AmericaSenior

Senior Java backend engineer in Denver who designs, builds, and maintains enterprise Java applications using Java 21, Spring Boot, and RESTful APIs. Day-to-day work involves integrating AWS services, developing REST APIs, contributing to GitLab CI/CD pipelines, and occasionally doing lightweight frontend work with Thymeleaf.

API AWS CI/CD GitLab Java +2 skills

Twenty Technologies

Go Backend Engineer — Real-Time APIs & Graph DBs (On Site)

Open 19d North America

Build scalable Go backend services and real-time APIs backed by graph databases for national-security-oriented cyber operations, deploying to both AWS and on-prem environments. Core stack: Go, graph databases, NATS, and AWS, with heavy focus on performance, security, and reliability.

API AWS Cloud NATS Secure Coding

Graduate Backend Engineer: Creator Monetization & Strategy

Open 19d North AmericaJunior

A graduate backend engineer at TikTok designs, develops, and maintains backend services for creator monetization, including the Creator Rewards Program and payout workflows. Day-to-day work centers on building scalable, reliable backend systems in collaboration with Product, Data Science, Design, Operations, and Trust & Safety.

Senior AI Backend Engineer – Enterprise-Scale Orchestration

Open 19d North AmericaSenior

Senior backend engineer building the core systems behind multimodal AI agents for enterprises: designing and shipping distributed backend services that ingest messy real-world data, orchestrate model/agent workflows, enforce enterprise-grade security, and deliver reliable outcomes at scale.

AI Distributed Systems

Caterpillar Financial Services Corporation

Senior Backend Engineer: AWS Microservices & Tech Lead

Open 19d North AmericaLead

Caterpillar Financial Services is hiring a Senior Backend Engineer to lead the design, development, testing, and deployment of a scalable AWS-hosted microservices platform, while mentoring developers and delivering business features in an Agile, cross-functional team.

Agile AWS Cloud Microservices

Munich Re Group

Senior Python Backend Engineer for AI Health APIs

Open 19d HybridNorth AmericaSenior

Munich Re's alitheia team in New York seeks a Senior Python Backend Engineer to design scalable APIs and services powering data-driven risk assessment workflows for life insurance, collaborating with data scientists and underwriters and evolving the product with ML and LLM capabilities. Hybrid schedule from the NYC office.

API LLM Machine Learning Python Risk Assessment

Founding Backend Engineer, Real-Time Voice AI - Equity

Open 19d North America

Join an early-stage startup in New York as its first engineering hire, building high-performance real-time voice AI agents with a backend focus. You'll own substantial parts of the real-time infrastructure, tackle sub-second latency challenges, and shape the architecture alongside the founders, likely with equity.

Senior AI-First Backend Engineer

Open 19d North AmericaSenior

Senior backend engineer at AdeptID building the core services behind talent matching — fast, reliable APIs and a low-latency serving layer for HR tech and staffing clients. Day to day: owning Python/AWS production services, optimizing latency and cost, and collaborating with Data Science on language models.

AI API AWS Data Science Python