Design, build, and maintain robust full stack features across backend and frontend layers, taking end-to-end ownership of what you ship.
Work primarily with Ruby on Rails on the backend, with strong consideration given to equivalent experience in Python, Rust, or Go.
Actively use AI tools and techniques as part of your engineering workflow, from code generation and review to broader problem-solving and productivity.
Smart Working believes your job should not only look right on paper but also feel right every day. They aim to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles.
Shape and scale the core infrastructure behind GitLab CI, integrating AI into CI/CD workflows.
Design, build, and iterate on AI-assisted and agentic CI experiences, defining patterns for measuring success and instrumenting behavior in production.
Harden the CI pipeline execution infrastructure, addressing database access patterns, background processing, and job orchestration for enterprise-scale AI-driven automation.
GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. With over 50 million registered users, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange, empowering team members to reach their full potential while collaborating with industry leaders to solve complex problems.
Review and analyze generated code against the original software engineering prompt
Evaluate whether the coding task itself is clearly and correctly defined
Validate whether tests accurately reflect whether the problem has been solved
Vetto is a tech company focused on building and scaling high-quality datasets for artificial intelligence systems. They work at the intersection of human expertise and AI, ensuring that models are trained on technically accurate, well-defined, and realistic data.
Interacting with the Product Manager to review project specs
Preparing integration plans, break-downs, and estimations
Hands-on code implementation, PRs, code reviews, testing, etc.
EverAI is building the future of AI companionship, creating new ways for people to connect with AI, boasting 50 million users in 2 years. They're an enthusiastic and hardworking team of approximately 75 people, with a founding team that has strong entrepreneurial experience building and scaling web products.
Implement well-scoped backend features across the AI Governance product area.
Build and maintain automated test coverage for your work using RSpec or equivalent tools.
Work closely with senior and staff engineers to deliver solutions that are reliable and maintainable.
GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. The company has more than 50 million registered users and its culture embraces AI, valuing innovation and collaboration.
Challenge advanced language models on software engineering tasks.
Verify logical accuracy and coding fluency in German.
Capture reproducible error traces and suggest improvements.
Project World Wide is shaping the future of AI through high-quality training data. They appear to be a technologically advanced organization focused on evolving language models into powerful engines.
Design, build, and ship meaningful fullstack features every week.
Act as an AI engineer on designated projects, building AI-powered features.
Debug production issues, maintain a stable marketplace, and advocate for quality, performance, and security.
OfferZen connects South African tech talent to the right teams. They value unique and diverse approaches and ensure they create opportunities to share and learn from each other, with a focus on building a connected tribe.
Design and build scalable, performant, secure, and highly available systems.
Write clean, modular and maintainable code with unit test coverage.
Implement strategies for standardizing design patterns to accelerate development velocity across the team.
VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. As an independent, publicly traded company, VERSANT brings together powerhouse cable networks with dynamic digital and direct-to-consumer brands.
Implement and evolve the AI audit event pipeline, including event ingestion, schema normalization, storage design, partitioning, retention, and export capabilities.
Implement access control for AI Governance features by integrating permissions for audit logs, policy configuration, and governance dashboards into GitLab's existing authorization model.
Contribute backend functionality for the AI agent artifact feature, supporting structured storage and retrieval of agent run metadata alongside existing CI/CD artifacts.
GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. The company has more than 50 million registered users and a high-performance culture driven by values and continuous knowledge exchange.
Conduct code reviews across the platform codebase.
Build and maintain integrations with enterprise systems including SharePoint (via Microsoft Graph API), GitLab, EPDM, and internal Hub services.
Develop and maintain LLM API integrations across multiple providers.
General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, they partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas.
Lead web application delivery of an AI-enabled SaaS platform.
Provide technical leadership in design and code reviews.
Manage a distributed team of software and quality engineers.
Firstup aims to improve employee experience by serving as the communication pipeline for the workforce. They connect over 17 million employees daily and are considered experts in workforce communications and technology.
Guide the design and implementation of backend features for GitLab Secret Detection in Ruby on Rails, GraphQL, and Go.
Build clean, well-tested, maintainable code that meets GitLab standards for reliability and performance.
Partner with product management and engineering peers to deliver backend capabilities that improve detection, validation, remediation, and audit trail coverage.
GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. They have more than 50 million registered users and are a high-performance culture driven by their values and continuous knowledge exchange.
Evaluate model-generated Java solutions for correctness and quality.
Identify and document failure patterns in the model's logic.
Assess the suitability of problems for training purposes.
The company is working on evolving large-scale language models from clever chatbots into engines of real scientific and engineering progress. As a freelance project, benefits such as health insurance and PTO do not apply.
Design, develop, and maintain LLM-powered applications and autonomous agents
Build agentic workflows and orchestration layers using LangGraph or similar frameworks
Implement and refine prompt engineering strategies for reliability, safety, and performance
NBCUniversal is a world-leading media and entertainment company that creates and distributes content across film, television, and streaming. We own leading entertainment and news brands and operate industry-leading theme parks around the world and champion an inclusive culture.
Own agent quality end-to-end: diagnosis, improvement, and validation across SmartAssist's orchestrator and subagents
Drive quality improvements through prompt engineering, context engineering, and RAG retrieval tuning
Extend and mature our evaluation framework: scorers, golden datasets, regression gates, and online evaluation for production traffic
Smartsheet has been helping people and teams achieve for over 20 years. They are building tools that empower teams to automate the manual, uncover insights, and scale smarter.