Crossing Hurdles

Open 24d North AmericaSenior

Mid-Senior Product Designer: End-to-End UX/UI Leader

United States

A leading design firm in San Francisco seeks a Mid-Senior level Product Designer to shape the user journey of their platform. This role involves owning the design process from concept to implementation, ensuring a…

Open 25d North America, UKContract

Fullstack Engineer | $55/hr Remote

Design and develop scalable React and backend fullstack applications, secure APIs, and databases, while managing CI/CD pipelines for a remote contract role.

API Authentication Automation CI/CD DevOps +2 skills

DevOps Engineer | $60/hr Remote

Open 25d UKContract

Ansible AWS Azure CI/CD Cloud +12 skills

Design, deploy, and manage resilient, secure, and scalable infrastructure using cloud providers such as AWS, Azure, and GCP. Implement and streamline CI/CD pipelines to enable rapid, reliable deployments across…

Open 25d LATAM, North America, UK

Software Developer (Java)

Design, develop, and maintain scalable backend systems using Java and Spring Boot. Architect robust microservices solutions to support complex application requirements. Collaborate with the customer's team to…

API Java Microservices REST Spring

Full Stack Developer | $65/hr Remote

Responsibilities Evaluate, review, and debug full stack code (frontend and backend) and technical content generated by advanced AI models. Assess the quality of AI outputs for correctness, efficiency, scalability, and…

Web Developer | $50/hr Remote

Build and maintain responsive, user-friendly web applications. Integrate backend APIs and manage frontend-backend data exchange. Collaborate with design teams to deliver seamless user experiences. Troubleshoot, debug,…

AI C++ Go Java MCP +4 skills

Senior Software Engineer - AI Test Environments

Open 26d APACSenior

New Zealand

The Senior Software Engineer will build reinforcement learning environments to test AI models on software engineering tasks. The role involves optimizing performance, implementing features, and creating deterministic verification tools using the Model Context Protocol.

Open 26d North AmericaContractSenior

Senior Fullstack Engineer — Remote Contract

Crossing Hurdles is seeking a Senior Fullstack Engineer to design, develop and optimize scalable fullstack applications using React and modern backend technologies. This remote contract role requires 10-40 hours per…

API Authentication React

Open 26d North AmericaSenior

Cloud & IaC DevOps Engineer

Ansible AWS Azure CI/CD Cloud +7 skills

Crossing Hurdles is seeking a senior Cloud Infrastructure Engineer to design, deploy, and manage scalable cloud and on-premises infrastructure solutions. You will monitor performance, automate provisioning with IaC,…

Backend Developer | $65/hr Remote

AI API Java Node.js Python

Responsibilities Evaluate, review, and debug backend code (e.g., APIs, server logic, databases) and technical content generated by advanced AI models. Assess the quality of AI outputs for correctness, efficiency,…

Open 26d North AmericaContract

Java Developer | $80/hr Remote

API Java Microservices REST Spring

Position Java Developer Type Hourly contract Compensation $30 - $80/hour Location Remote Commitment 10-40 hours/week Responsibilities Design, develop, and maintain backend applications using Java and Spring frameworks.…

Frontend Developer | $65/hr Remote

Responsibilities Evaluate, review, and debug frontend code (e.g., user interfaces, component logic, state management) and technical content generated by advanced AI models. Assess the quality of AI outputs for…

Remote DevOps Engineer: Cloud, CI/CD & Kubernetes

Open 26d UKContract

Ansible AWS Azure CI/CD Cloud +9 skills

DevOps Engineer designing and managing scalable multi-cloud infrastructure (AWS, Azure, GCP) with CI/CD pipelines, Docker, Kubernetes, Terraform, and Ansible.

Senior Fullstack Engineer – Remote, React & DevOps

Open 26d UKSenior

API Authentication CI/CD DevOps React

Senior Fullstack Engineer building scalable applications with React and modern backend tech, handling state management, UI/UX, authentication/API design, databases, and CI/CD DevOps practices.

Remote Java Backend Engineer | Spring & Microservices

Open 26d UKContract

Java Microservices Spring

Remote contract Java backend engineer designing and maintaining backend components using Java, Spring, and microservices architecture.

Remote Java Backend Engineer - Spring Boot & Microservices

Open 26d UKContract

API Java Microservices REST Spring

Remote contract role building scalable backend systems with Java and Spring Boot, delivering microservices and RESTful APIs while collaborating with distributed teams on code reviews and platform improvements.

AI Data Pipelines Data Science ETL Machine Learning +1 skills

Remote ML Engineer: AI Models, Data Pipelines & ETL

Open 27d Europe

France

ML Engineer designing, developing, and deploying machine learning models using Python and its data science ecosystem, building ETL data pipelines and production-grade AI solutions.

AI C++ Java Reinforcement Learning Rust +1 skills

Software Engineer: AI/ML Environments & Performance

Open 27d APAC

Philippines

The Software Engineer will build reinforcement learning environments to test AI models and optimize software performance. The role involves refactoring code, debugging complex issues, and implementing new features using languages like Python, Java, Rust, or TypeScript.

AI C++ Java Reinforcement Learning Rust +1 skills

Senior Software Engineer: AI/ML Environments & Performance

Open 27d APACSenior

Philippines

The Senior Software Engineer will build reinforcement learning environments to test AI models and optimize software performance. The role involves refactoring codebases, debugging complex issues, and implementing new features using languages like Python, Java, Rust, or TypeScript.