Tech jobs — page 58 · freehire

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Backend Big Data Engineer

Open 17d North America

Hybrid backend big data engineer role (Rockville, MD or McLean, VA, locals only) building data-heavy backend services with Java, Python, and/or Node, using big data tools like Spark, EMR/Presto/Trino, and Athena on AWS (EC2, S3, Lambda, RDS, ECS), with exposure to AI/Generative AI. W2 role, open to sponsorship.

AI Angular API API Gateway Athena +14 skills

Staff Software Engineer, Backend

Open 17d North AmericaFull-timeStaff

Staff Software Engineer on QXO's eCommerce team, owning the design, development, and operation of foundational commerce services (identity, product discovery, checkout, personalization) from ideation through launch. Core work is building scalable, low-latency distributed backend systems in Java/Kotlin/Go on cloud (GCP/AWS), with architecture leadership and mentoring.

AI AWS CI/CD Cloud Cloud Native +8 skills

150K – 275K $

Backend Php Developer - Aws / Serverless

Open 17d North AmericaFull-time

Full-time on-site backend PHP developer at Bear Claw, an AI-powered recruiting/ATS platform in Evanston, IL. You'll build and scale PHP services on a serverless AWS stack (Lambda, API Gateway, MySQL), develop APIs and integrations, and modernize an established production codebase.

AI API API Gateway AWS CI/CD +22 skills

Software Engineer, Backend (Rust) – Crypto Trading

Open 17d North America

Backend engineer at an early-stage, well-funded crypto trading company building high-performance risk, liquidation and trading infrastructure in Rust (Tokio), processing live market data and serving low-latency REST/WebSocket APIs. On-site in New York City or San Francisco; $185K–$300K plus equity; no visa sponsorship.

API Blockchain Distributed Systems Fintech GitHub +4 skills

185K – 300K $

Lawrence Harvey

Backend Software Engineer

Open 17d North America

Backend engineer at an early-stage, well-backed fintech startup building global payments infrastructure spanning traditional banking and digital asset rails. The role designs, builds, and owns backend services, APIs, integrations, and cloud infrastructure for complex payment workflows, primarily using TypeScript and Node.js.

API Cloud Distributed Systems Fintech Node.js +3 skills

Senior Backend Software Engineer

Open 17d North AmericaSenior

Senior Backend Software Engineer building and evolving scalable backend services, APIs, and PostgreSQL data infrastructure for a publicly traded healthtech company's personalized spine surgery platform. Core stack: Node.js, GraphQL, Java/Kotlin with Spring Boot, and cloud platforms like AWS, GCP, or Azure.

AI API Automation AWS Azure +16 skills

140K – 180K $

Open Systems Technologies

Backend Founding Engineer

Open 17d HybridNorth America

A start up is looking for a Backend Founding Engineer to join their team. Location: NYC; Must be able to work inNYC 4 days onsite per week Compensation: $180-230k + Equity Must have worked at early stage start-ups! US…

API Express.js Fintech JavaScript Node.js +1 skills

Senior Backend Software Engineer

Open 17d North AmericaFull-timeSenior

Senior backend engineer at Holokai, an early-stage startup building an enterprise AI governance/adoption platform (policy enforcement, agentic workflow orchestration, LLM gateway, SaaS console). Day to day: design and ship backend services in TypeScript and Go with PostgreSQL on AWS, hybrid from Metro DC (Tue/Thu in office).

Agentic AI AI API AWS Claude Code +21 skills

Harrison Clarke

Senior Backend Engineer

Open 17d North AmericaSenior

Senior Backend Engineer for a venture-backed AI infrastructure company (hired via Harrison Clarke) that helps enterprises track, govern, and measure ROI on AI spend. Day to day: designing backend services and APIs, building integrations/SDKs, and working across data pipelines, cloud infrastructure, and distributed systems on-site in Bellevue, WA.

AI Ai Enablement API Cloud Cloud Native +5 skills

Backend Engineer

Open 17d On-siteNorth AmericaFull-time

Backend engineer building and maintaining Java-based services, REST APIs, and PostgreSQL databases for OurPetPolicy's property-management compliance platform. Day to day: developing integrations, optimizing database performance, troubleshooting production issues, and collaborating with product and engineering teams in a downtown Boise office.

API Automation AWS Cloud Express.js +12 skills

Strategic Employment Partners (SEP)

Senior Backend Engineer

Open 17d HybridNorth AmericaSenior

Design and build Node.js backend services, RESTful APIs, and PostgreSQL schemas powering fintech/SaaS products for U.S. healthcare providers, while troubleshooting production issues and shaping architecture. Based in New York with a hybrid schedule (4 days in-office); base salary $160k–$240k plus bonus and equity.

API Express.js Fintech JavaScript Node.js +4 skills

160K – 240K $

Java Backend Developer With Kafka

Open 17d HybridNorth AmericaContract

Senior (L3) Java backend developer on a long-term W2 contract in Tampa, FL (5 days onsite), building scalable, cloud-based data solutions supporting critical financial activities. Core stack is Java and Kafka, with AWS cloud work, DevOps tooling (Terraform, Jenkins, Kubernetes), and monitoring tools like Splunk and Prometheus.

Agile Ansible AppDynamics AWS CI/CD +19 skills

Voto Consulting LLC

F2f In Phoenix, Az | Minimum 07+ Yrs. Experience After Graduation/Bachelors Java Backend Developer

Open 17d North America H-1B sponsor history

Senior Java backend developer designing, building, testing, and supporting scalable enterprise applications in a high-volume financial services environment. Core stack is Java/Spring Boot, microservices, REST APIs, SQL/Oracle, and CI/CD with Jenkins, Git, and Maven; on-site F2F interviews in Phoenix, AZ.

Agile API CI/CD Cloud Design Patterns +19 skills

Senior Backend Engineer

Open 17d North AmericaSenior

Senior backend engineer at Bandana, a fast-growing job search platform for blue-collar workers. You'll lead backend architecture and engineering culture, build AI-driven application and search features, and maintain core infrastructure using TypeScript, Node.js, Next.js, Prisma, Postgres, Docker/Kubernetes, and GCP.

Agentic AI AI API CI/CD Cloud +10 skills

190K – 235K $

Senior Backend Engineer

Likely evergreen North AmericaSenior

Senior backend engineer at Lawfully, an immigration data platform, to own the architecture and reliability of a distributed backend (~25 Go services, Kafka pipeline, EKS/AWS, PostgreSQL) — including strangling a legacy monolith, running the platform, and mentoring engineers.

AI Airflow AWS Claude Code Cloud +10 skills

Senior Backend Engineer

Open 17d HybridNorth AmericaSenior

BluJuniper, an AI and optimization company, is hiring a Senior Backend Engineer to design and operate distributed, real-time backend systems in Go — connecting AI/ML workloads, WebRTC/LiveKit audio-video, Kafka event streams, and secure cloud infrastructure. Hybrid role in Washington, DC paying $160k–$225k plus bonus and stock options.

AI API Authentication AWS Azure +24 skills

160K – 225K $

Sr. Backend Engineer

Open 17d HybridNorth AmericaSenior

Senior Backend Engineer at CHAMP (Cleveland, onsite 4 days/week) building cloud-based software for state motor vehicle agencies. Day to day: designing Java/Spring Boot microservices and REST APIs, event-driven messaging with RabbitMQ, AWS/Terraform infrastructure, database design, and mentoring engineers on a distributed team.

Agile API Api Design AWS Cloud +25 skills

120K – 160K $

Synergyassure Inc

Java Backend Developer - W2

Open 17d North AmericaContract

Contract (W2) role for a Java backend developer in Phoenix, AZ, building internet-scale services with Java 11, Spring Boot (reactive/WebFlux), NoSQL databases, Kafka messaging, and cloud tooling like Docker, Kubernetes, and Prometheus. The final interview round must be in person in Phoenix.

API Cloud Docker Git Gradle +9 skills

Middle Backend Developer

Open 17d North AmericaMiddle

Builds and maintains PHP backend services on a serverless AWS Lambda architecture backed by MySQL, and helps support and extend the Python + PostgreSQL AI agent (Cora) of Bear Claw's AI-powered recruiting platform, turning LLM-driven features into production-grade services.

Agentic AI AI API API Gateway AWS +27 skills

Java Backend Developer - Full Time

Open 17d North AmericaFull-time

Programmers.io is hiring a Java Backend Developer in Charlotte, NC to lead a team building and architecting Spring Boot microservices for a banking client — delivering REST APIs, Kafka-based integrations, CI/CD with Docker/Kubernetes, and ensuring PCI-DSS compliance while mentoring junior engineers.

API AWS Azure Cloud Docker +20 skills