Crossing Hurdles

2 weeks ago

Remote iOS Engineer, SwiftUI/Swift — Contract

Open 16d UKContract

API iOS MVC Swift SwiftUI +1 skills

Crossing Hurdles is hiring a remote contract iOS engineer to develop, test, and deploy iOS apps using Swift, UIKit, and SwiftUI, collaborating with designers, PMs, and backend developers on APIs, performance, and App Store readiness. The role is 10-40 hours per week with flexible scheduling.

Open 16d North AmericaContract

2 weeks ago

Web Developer (HTML, CSS) | $90/hr Remote

Canada

Remote hourly contract for a frontend developer who builds responsive, reusable UI components from design files, integrates them with APIs, and handles testing/debugging. Core technologies: HTML, CSS, React, Angular, Vue.js, and Bootstrap, at $30–$90/hour for 10–40 hours per week.

Angular API Automation Bootstrap CSS +4 skills

Fullstack Developer | $55/hr Remote

Open 17d UK

API Git GraphQL REST Version Control

Develop, test, and deploy scalable frontend and backend solutions to meet evolving business requirements. Design and implement RESTful APIs to facilitate seamless communication between system components. Collaborate…

3 weeks ago

Full Stack Developer | Remote

Open 21d UK

Agile Android CI/CD Go iOS +5 skills

Full Stack Developer building and maintaining scalable back-end and full-stack applications using Python, Rust, Go, Java, or Node.js. The role covers the full development lifecycle — design, coding, code reviews, debugging, and deployment — within a remote, agile UK-based team.

Open 21d RemoteNorth America, UKContract

3 weeks ago

Data Engineer | $90/hr Remote

Contract Data Engineer (10-40 hrs/week, remote) designing and maintaining scalable ETL pipelines and data workflows, debugging and optimizing production data systems, and writing clean, well-documented Python. Pays $30-$90/hour and requires strong independent work and communication skills.

Data Pipelines Data Quality ETL Python

Full-Stack Engineer (Frontend-focused) | $55/hr Remote

Open 21d North AmericaContract

Canada

Remote contract role (Canada) for a full-stack, frontend-focused engineer: day to day you design and optimize responsive UIs with React, HTML, and CSS, contribute backend work in Node.js (optionally Python, Java, or .NET), and collaborate with a distributed team via agile ceremonies and code reviews. Pays $20–55/hour, 10–40 hrs/week.

Agile API CSS .NET HTML +5 skills

Backend Engineer | $80/hr Remote

Open 21d North AmericaContract

Canada

Remote contract role (10-40 hrs/week) for a Senior Backend Engineer building and optimizing Python/FastAPI APIs, deploying scalable services on AWS with Kubernetes, and developing real-time systems using WebSockets and message queues.

API AWS Cloud FastAPI Kubernetes +3 skills

iOS and Android Developer | Remote

Open 21d EuropeContract

France

Remote contract role (10-40 hrs/week, $30-$130/hour) for a mobile developer who designs, builds, and maintains iOS and Android apps using Swift/Objective-C and Kotlin/Java, integrating RESTful APIs, push notifications, and third-party SDKs while collaborating with product, design, and backend teams.

Android API iOS Java Kotlin +3 skills

Remote Data Engineer: ETL, Python & Data Quality

Open 21d RemoteUKContract

Data Pipelines Data Quality ETL Python

Contract Data Engineer working fully remote (UK) who designs, builds, and maintains scalable ETL pipelines in Python, optimizes data workflows for performance and reliability, and champions data quality through validation and production troubleshooting. 10-40 hrs/week at $30-$90/hour.

Remote C# Software Engineer: Cloud DevOps & CI/CD

Open 21d UK

Agile AWS Azure CI/CD C# +1 skills

Crossing Hurdles is hiring a C# software engineer to design, develop, and optimize C# applications and services while implementing CI/CD pipelines and streamlining deployments on Azure and AWS. The remote role includes code reviews and Agile collaboration with cross-functional teams.

Open 21d North America, UK

3 weeks ago

DevOps Engineer | $70/hr Remote

Crossing Hurdles is hiring a remote DevOps Engineer ($70/hour) to design and manage scalable cloud and on-premises infrastructure, automate provisioning and deployments with IaC tools, maintain security and compliance, and support CI/CD pipelines. Core stack includes AWS/Azure/GCP, Terraform or Ansible, and Kubernetes/Docker.

Ansible Automation AWS Azure CI/CD +8 skills

Cloud DevOps Engineer | Remote

Open 21d UKContract

Automation AWS CI/CD Cloud Cloud Native +5 skills

Contract Senior DevOps Engineer working remotely (10-40 hrs/week) to design and maintain scalable Kubernetes infrastructure across AWS and GCP, build and optimize CI/CD pipelines, and automate infrastructure, monitoring, and deployments using Python.

Senior Cloud DevOps Engineer | Remote, Kubernetes & CI/CD

Open 21d UKContractSenior

Automation AWS CI/CD Cloud Cloud Native +5 skills

Contract Senior DevOps Engineer working remotely (UK) who designs and maintains scalable Kubernetes infrastructure across AWS and GCP, builds and optimizes CI/CD pipelines, and automates infrastructure, monitoring, and deployments with Python, on a 10-40 hrs/week commitment paying $30-$130/hour.

Remote PHP Backend Engineer — Laravel, Node.js, MySQL

Open 21d UKContract

AI Design Patterns Laravel MySQL Node.js +1 skills

Contract remote role for a PHP back end developer to analyze and solve backend problems, review code for scalability and performance, and provide detailed feedback that helps improve AI system learning. Core stack is PHP/Laravel, Node.js, and MySQL, at 10-40 hrs/week and $30-$110/hour.

Biology AI Data Quality Engineer

Open 23d MENA

Türkiye

Crossing Hurdles is seeking a biology specialist to critically evaluate AI-related biology data and prompts, ensuring accuracy and relevance for advanced training workflows. The role involves creating and refining…

Senior Full Stack Developer | $90/hr Remote

Open 23d North America, UKContractSenior

Remote contract role for a Senior Full Stack Engineer in Canada, working 10-40 hrs/week at $30-$90/hour to design, build, and maintain web applications using Node.js, TypeScript, Python, JavaScript, and Java, while collaborating cross-functionally, reviewing code, and mentoring peers.

Agile API Git Java JavaScript +5 skills

Mobile App Developer | $80/hr Remote

Open 23d EuropeContract

France

Contract remote role (10-40 hrs/week, $30-$80/hr) for a React Native expert who evaluates, reviews, and annotates mobile code and UX patterns to help improve AI systems. Core stack: React Native, JavaScript (ES6+), iOS and Android app development.

AI Android Design Patterns iOS JavaScript +2 skills

Full-Stack Python & React Engineer

Open 24d UK

API CI/CD Containerization Django Docker +9 skills

Crossing Hurdles is hiring a Full-Stack Python & React Engineer in the United Kingdom to design, build, and maintain web applications and RESTful APIs using Python, React, Django, and Flask, working with PostgreSQL/MySQL databases and leveraging Pytest, Jest, Docker, Git, and CI/CD pipelines.

AI C++ GitHub GitLab Go +5 skills

4 weeks ago

Open-Source Software Engineer — AI & Distributed Systems

Open 25d MENA

Türkiye

Contribute production-quality code to open-source repositories, designing and optimizing complex algorithms and system components. Requires experience with languages like C++ or Python, preferably with knowledge of distributed systems and AI.