Tech jobs — page 23 · freehire

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Senior Backend Software Engineer (United States)

New North AmericaFull-timeSenior H-1B sponsor history

Senior backend engineer at Journey.ai, a growth-stage startup building a Zero Knowledge identity-protection platform (secure payments, authentication, signatures) for contact centers. Day to day: designing and optimizing Go backend services, refactoring API abstraction layers, contributing to distributed-systems architecture, and mentoring mid-level engineers and contractors.

AI API Authentication CI/CD Distributed Systems +7 skills

JSR Tech Consulting

Full Stack Developer (Backend Focus) (United States)

New North America

12+ month contract (C2C/W2) full-stack developer role with a backend focus, placed by JSR Tech Consulting at a major US investment firm; remote work open to US-based candidates. Core stack is Java/Spring Boot and REST on the backend with React on the frontend, plus MongoDB, AWS services, and DevOps/DevSecOps tooling.

Accessibility Agile API Authentication AWS +40 skills

Backend Big Data Engineer (Rockville)

New North America

Hybrid (locals-only) Backend Big Data Engineer role in Rockville, MD or McLean, VA. Day to day, you'd build backend services and big-data pipelines using Java, Python and/or Node with Apache Spark, EMR (Presto/Trino) and Athena on AWS (EC2, S3, Lambda, RDS, ECS, API Gateway), with AI/Generative AI work involved.

AI Angular API Athena Cloud +12 skills

Long Ridge Partners

AI Engineer/ FDE (Python Backend) (New York City Metropolitan Area)

New North AmericaFull-time H-1B sponsor history

An executive search firm is hiring AI/Forward Deployed Engineers (Python backend) for leading investment firms. Day to day: partner with investment and research teams to build and deploy LLM-powered internal tools for research automation, document analysis, and data extraction, taking projects from idea to production.

AI API Automation Cloud Embeddings +5 skills

Staff Full Stack Engineer (Backend focused) (Raleigh)

New North AmericaStaff

FlyBox, an on-demand storage platform, is hiring a Staff Full-Stack Engineer (backend-focused) to own its TypeScript GraphQL/REST APIs, PostgreSQL/Sequelize persistence, BullMQ background processing, and the billing/orders/warehouse domain, with occasional Next.js admin and native mobile (Swift/Kotlin) work. Remote within North Carolina using an AI-native engineering workflow.

AI Android API Claude Code Cloud +17 skills

Senior Multi-Tenant .NET Backend & Integration Engineer (Jersey City)

New North AmericaSenior H-1B sponsor history

Hands-on backend engineer building and deploying a multi-tenant SaaS application on AWS: designing secure C#/.NET Core APIs that query DynamoDB, PostgreSQL, and external client data sources, while guiding DevOps and network engineers on hybrid connectivity and troubleshooting cross-network data access.

API AWS CDK Cloud C# +8 skills

Senior Backend Engineer (United States)

New RemoteNorth AmericaSenior

About the Company Mango Voice is a leading provider of cloud-based communication solutions, helping businesses of all sizes connect with their customers through innovative VoIP, SMS, and collaboration tools. We are…

Agentic AI AI Ansible API Api Design +30 skills

Backend Engineer (Boise)

New On-siteNorth AmericaFull-time

Backend Engineer Location: Boise, ID / Hybrid Employment Type: Full-Time Compensation: Competitive, based on experience Who we are: Landlord Tech, Inc., doing business as OurPetPolicy, provides a compliance-focused…

API Automation AWS Cloud Express.js +10 skills

Python Developer (Ridgefield Park)

New HybridNorth America

We’re partnering with an established organization seeking a hands-on Software Engineer to build applications, connect systems, and automate business workflows. This role offers ownership across new development and…

AI API Automation CI/CD Cloud +4 skills

Backend Engineer (New York)

New On-siteNorth America

About Portra: Portra is an InsurTech startup aiming to revolutionize the enterprise insurance market. Our technology simplifies the process for insurance brokers to identify optimal coverage for their clients…

API Automation AWS CI/CD Data Pipelines +11 skills

TechPerm Incorporated

Senior Java Backend Developer ONSITE (Woodlawn)

New On-siteNorth AmericaContractSenior

Senior Backend Java Developer – Largest Federal Enterprise, Woodlawn, Maryland On-site • Exceptional Pay • Long-term Federal Contract ONSITE ALSO INTERIVEW ONSITE We’re seeking a Senior Backend Java Developer to…

API AWS Azure CI/CD Cloud +45 skills

Mission Recruit

Software Engineer (Washington)

New North America

Software Engineer, AI and Application Engineering Onsite: Macon, GA | Washington, DC | Kansas City, KS Mission Recruit is hiring a Software Engineer for our government client to design, build, and support modern,…

Agentic AI Agile AI Anomaly Detection Anthropic +28 skills

Staff Backend Engineer (New York City Metropolitan Area)

New HybridNorth AmericaStaff

New York City (4 days onsite) Up to $325k base + equity We're working with a fast-growing fintech infrastructure startup building the technology that enables seamless money movement between traditional finance and…

API Api Design Blockchain Cloud Distributed Systems +3 skills

Tundra Technical Solutions

Software Engineer (Baltimore)

New North AmericaContract Canada LMIA employer

Key job responsibilities • Design, develop, and deploy scalable software solutions that integrate cloud services with physical automation systems • Build and maintain infrastructure-as-code using AWS CDK to support…

AI Automation AWS CDK Cloud +4 skills

Staff Backend Engineer (United States)

New RemoteNorth AmericaStaff

Fully remote role in either US or Canada Base salary (DOE): $180-320k, bens and meaningful equity Open to all US and Canadian citizens, Green card holders as well as visa transfers (e.g. OPT, H1B transfers) Most data…

AI Analytics Data Engineering DevOps Generative AI +1 skills

Tundra Technical Solutions

Software Engineer (Seattle)

New North AmericaContract Canada LMIA employer

Responsibilities: Design, develop, implement, test, document and deliver software for drone systems using multi-threaded programming in C++ and Python, real-time operating systems (RTOS including Yocto), and kernel…

AWS C++ Embedded Systems Linux Python +2 skills

Principal Backend Engineer (United States)

New RemoteNorth AmericaPrincipal

About the Company Mango Voice is a leading provider of cloud-based communication solutions, helping businesses of all sizes connect with their customers through innovative VoIP, SMS, and collaboration tools. We are…

Agentic AI AI Ansible API Api Design +30 skills

Backend Engineer (New York)

New North AmericaFull-time

At Guac, we're solving grocery food waste with AI. We forecast exactly how much of each product will sell, helping grocery retailers order and produce the perfect amount of inventory — and we're building…

Agentic AI AI Anthropic API BigQuery +14 skills

Tundra Technical Solutions

Software Engineer (Redmond)

New North AmericaInternshipIntern Canada LMIA employer

Description This is a hands-on engineering role with real impact. You will implement features and modules within the platform, working closely with senior engineers who set the architectural direction. You will grow…

Bash Cloud C++ Data Pipelines Design Patterns +14 skills

Senior Backend Engineer (Brooklyn)

New North AmericaSenior

Bandana has grown to over a million monthly active users since October 2023, fields jobs for thousands of employers and is investing heavily into building the best job search and career platform for blue collar…

Agentic AI AI API CI/CD Cloud +10 skills