36 engineering jobs found

Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. You’ll challenge advanced language models on topics like computer architecture and hardware design, embedded systems and IoT, networking and distributed systems, hardware security, and systems software and operating systems—documenting every failure mode so we can harden model reasoning. Organization : Alignerr Position : Computer Engineering Expert - AI Content Specialist Type : Hourly Contract Compensation : $35–$60 /hour Location : Remote Commitment : 10–40 hours/week What You’ll Do Develop Complex Problems: Design advanced computer engineering challenges across domains like RISC-V/ARM architecture, FPGA development, memory management, and hardware-software co-design. Author Ground-Truth Solutions: Create rigorous, step-by-step technical solutions, including...

Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role with meaningful, high-impact work — the kind where your code doesn't just sit in a backlog, it actively influences how AI systems learn and behave at scale. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance C# systems supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across...

Are you a Kotlin expert eager to shape the future of AI? Large-scale language models are evolving from chatbots into powerful developer assistants capable of reasoning about complex software systems. With high-quality engineering data, tomorrow's AI can support developers in solving real-world problems faster and more accurately. That training data begins with you—your coding expertise will help power the next generation of AI. We're looking for Kotlin specialists who can take real-world engineering scenarios—such as bug reports or feature requests in a Git repository—and produce clean, efficient, and idiomatic solutions using the Kotlin programming language. You'll create high-quality code patches that reflect modern Android development practices and ensure technical correctness, maintainability, and clarity. You should have hands-on experience with modern Android and Kotlin development, including Jetpack Compose, Kotlin Coroutines, and Jetpack libraries such...

Are you a coding expert fluent in Python eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline software development for engineers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI. We're looking for Python coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently using Python. You'll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model...

Forward Deployed AI Engineer Location:  London, United Kingdom. Contract:  Freelance, with the possibility of future full-time employment. About the job: AI is forcing engineers to evolve like never before. The role is increasingly defined by deciding what a system should do and which specs and evals to write, then handing execution to agents and carefully checking what comes back. The best engineers we know still understand every layer underneath and are eager to spend more time thinking about how and why the solutions they build get used. That’s who we want to work with at Calibr, a startup founded by  Peter Wood  and  Marlene Leiss , and part of The Apprentify Group, one of the UK’s leading AI and tech training providers. We build tailored AI solutions for companies going through AI transformation, then help their teams build the skills to run, extend and own those systems themselves. As a Forward Deployed AI Engineer,...

Data Science Expert – AI Content Specialist About The Role What if your expertise in machine learning, statistical inference, and data engineering could directly shape how the world's most advanced AI systems think and reason? We're looking for Data Science Experts to stress-test cutting-edge language models, author gold-standard solutions, and help push AI reasoning to its limits. This is a fully remote, flexible contract role built for serious data scientists who want meaningful, intellectually stimulating work — on their own schedule. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design Advanced Challenges — Create complex, domain-specific data science problems spanning hyperparameter optimization, Bayesian inference, cross-validation strategies, dimensionality reduction, and more Author Ground-Truth Solutions — Develop rigorous, step-by-step...

AI systems are only as safe as the people who test them — and that's where you come in. We're looking for security-minded professionals to probe, stress-test, and red-team AI models, uncovering weaknesses before they become real-world problems. Your work will directly shape the safety and reliability of AI products used by millions of people worldwide. This is a remote, flexible contract role where your expertise in cybersecurity and adversarial thinking translates into meaningful impact on one of the most critical frontiers in tech. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Conduct red-teaming exercises to surface security weaknesses in AI systems Design and execute adversarial prompts and edge-case scenarios to test model guardrails Evaluate AI outputs for safety, bias, and policy compliance Document vulnerabilities, exploits, and unexpected behaviors in clear,...

  About Holotwins Bharat Holotwins Bharat is an agile, high-velocity software engineering and digital transformation firm based in India. We specialize in building robust, scalable digital ecosystems, custom software architectures, and specialized tech infrastructure for global businesses. By blending top-tier technical talent with highly optimized delivery frameworks, we enable startups, SMEs, and mid-market agencies to accelerate their product roadmaps at a fraction of local engineering costs. As we expand our footprint across the UK and European markets , we are looking for a sharp, commercially driven local partner to bridge the geographic gap and build trusted, high-value relationships with European tech leaders.   About the Role We are seeking an independent, results-oriented Freelance Business Development Manager / Sales Agent based natively in the UK or Europe. Your primary mission is to act as the "local face and voice" of...

About the job   Tensium builds expert reasoning datasets and long-horizon coding tasks to train frontier AI models. We are looking for experienced machine learning engineers to contribute to Project Neo.   What you’ll do • Design long-horizon coding tasks based on real machine learning engineering work. • Create CPU ML tasks that challenge AI agents to complete an engineer’s end-to-end work in a real repository.   What we’re looking for • Practical experience building, training and deploying machine learning models. • Experience with large-scale data processing, model evaluation and optimisation in real-world environments. • An advanced degree in Computer Science, Mathematics, Engineering or a related field, or equivalent practical experience. • Clear technical communication and availability to contribute consistently.   Working arrangements and payment •...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers based in London to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale. This is a fully remote, flexible contract role. Whether you're a seasoned engineer looking for meaningful project work or a strong developer ready to apply your skills to AI-adjacent infrastructure, this is your chance to build things that matter. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design, develop, and maintain robust back end services, APIs, and data pipelines Build scalable, high-performance server-side architecture to support AI training and inference...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in London to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level feedback that makes AI coding assistants smarter, safer, and more reliable. This is hands-on engineering work at the frontier of AI development — not theoretical, not bureaucratic, and not boring. This is a fully remote, flexible contract role. If you can write clean code and explain your reasoning, we want to hear from you. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Write, debug, and optimize code across a range of languages, frameworks, and problem domains Review and evaluate AI-generated code for correctness,...

AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to $100/hour depending on the projects you qualify into. Why Apply Competitive Pay: $50–$100/hour across the project pool One Assessment, Ongoing Matches: qualify once, get matched to projects continuously Flexible Engagement: fully remote and asynchronous, on your own schedule Responsibilities Complete software engineering tasks across a range of AI training and evaluation projects Review and evaluate code and model outputs for correctness and quality Deliver clear, well-documented work independently Required Qualifications 2+ years of real-world software engineering experience...

AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to $100/hour depending on the projects you qualify into. Why Apply Competitive Pay: $50–$100/hour across the project pool One Assessment, Ongoing Matches: qualify once, get matched to projects continuously Flexible Engagement: fully remote and asynchronous, on your own schedule Responsibilities Complete software engineering tasks across a range of AI training and evaluation projects Review and evaluate code and model outputs for correctness and quality Deliver clear, well-documented work independently Required Qualifications 2+ years of real-world software engineering experience...

Description de l'entreprise Everience is an international consulting group delivering AI-augmented digital services and placing people at the heart of the AI revolution. With a presence in Europe, Africa, Asia and America, Everience offers its 4,000-strong workforce the most demanding and stimulating environment in which to transform and develop their skills, learning about new AI-based roles and building their future employability. Through its Symbiotic Academy the group offers a unique hub for training, practical application and exchange where everyone can experiment, learn, and progress in the fields of artificial intelligence and data. In accordance with its core purpose of orchestrating the symbiotic relationship between humans and AI in the workplace, Everience is making the augmented employee the driving force of a “symbiotic age”, where AI enhances talents and opens up new career opportunities. Description du poste We are looking for an...

Are you a Kotlin expert eager to shape the future of AI? Large-scale language models are evolving from chatbots into powerful developer assistants capable of reasoning about complex software systems. With high-quality engineering data, tomorrow's AI can support developers in solving real-world problems faster and more accurately. That training data begins with you—your coding expertise will help power the next generation of AI. We're looking for Kotlin specialists who can take real-world engineering scenarios—such as bug reports or feature requests in a Git repository—and produce clean, efficient, and idiomatic solutions using the Kotlin programming language. You'll create high-quality code patches that reflect modern Android development practices and ensure technical correctness, maintainability, and clarity. You should have hands-on experience with modern Android and Kotlin development, including Jetpack Compose, Kotlin Coroutines, and Jetpack libraries such...

Are you a coding expert fluent in Python eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline software development for engineers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI. We're looking for Python coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently using Python. You'll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model...

AI Engineer – Freelance Trainer Company: AI Testing Hub Experience: 5+ Years in Teaching / Training Location: Remote Type: Freelance Role Overview AI Testing Hub is looking for an experienced AI Engineering Trainer with strong practical knowledge of Generative AI, AI Agents, Co-Coding and n8n automation . Key Responsibilities Deliver practical training on AI Engineering, Generative AI and AI Agents . Train learners on Co-Coding / AI-assisted development . Teach n8n workflow automation, LLMs, RAG, APIs and AI Agent tools . Build and demonstrate practical AI Agent and automation projects . Conduct AI awareness and enablement training for business stakeholders and non-technical teams . Help organisations identify suitable AI use cases and automation opportunities . Train business teams on how to use AI tools effectively in their day-to-day work. Develop training materials, labs, projects and assessments....

About The Role Alignerr is building a dataset of expert tasks that train and evaluate advanced AI agents on real enterprise engineering work. As a Task Author, you will design and calibrate authentic engineering challenges — diagnosing failing integrations from logs, tracing bugs through codebases, and writing and verifying real fixes — that genuinely push the limits of capable AI agents. London's engineering scene spans fintech, enterprise SaaS, and deep-tech — and this role is built for engineers who operate in that world. If you debug real systems, write infrastructure code, and understand what a production failure actually looks like, your expertise is exactly what we need. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: Flexible, task-based Key Responsibilities Author realistic engineering task prompts covering integration failures, log-based debugging, bug traces through source code, and...

🎤 Why voize? Because we’re more than just a job! At voize, we believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to admin work that pulls nurses away from what matters most: people . 💡 Your Mission As a Freelance Senior Android Engineer , you'll take ownership of building and evolving our Android application, creating features that have a real impact on the daily lives of healthcare professionals. We are open to candidates based in France, Germany, or England , with a willingness to travel to our Berlin office from time to time (travel expenses covered). The initial contract is for a minimum of three months. 🚀 Your Daily Business – No two days are alike Take full ownership of the development and technical implementation of our Android apps (Kotlin & Jetpack Compose) Build features that genuinely make users’ lives easier, taking them from idea to launch Work...

AI / Emerging Tech Security Analyst (AI Training) About The Role What if your security expertise could directly shape how the world's most powerful AI systems defend themselves against attack? We're looking for AI Security Analysts to probe, challenge, and stress-test frontier AI models — identifying vulnerabilities, classifying risks, and helping ensure that cutting-edge AI remains safe, reliable, and resistant to misuse. This is a fully remote, flexible contract role built for security professionals who are curious about how modern AI systems can be exploited — and how to stop it. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Analyze real-world AI and LLM security scenarios to understand how models behave under adversarial or unexpected conditions Review and evaluate cases involving prompt injection, data leakage, model abuse, and system misuse Classify...