Freelance Frontend Jobs

Build and maintain backend services for software products, with Java engineering as the main focus. You’ll contribute across the product lifecycle, from design and implementation…

Improve the path from account creation to a working AI agent by finding where new users struggle and building measurable fixes. This role combines frontend focused full stack engi…

Develop and support SAP applications for transportation, logistics, financial, and business management operations. The work combines ABAP backend development with SAP S/4HANA mode…

Embed with internal business teams to identify work that could be improved through AI and build production-ready tools around their real workflows. You will deliver solutions end…

Build and maintain web applications and services as a senior full stack engineer, working across .NET back-end systems and TypeScript front ends. The role combines hands-on delive…

Apply software development expertise and fluency in Russian to evaluate and improve AI-generated technical responses. You’ll test the model on coding tasks and engineering concept…

Evaluate and improve advanced language models by applying software engineering expertise and fluency in French. The work focuses on testing technical reasoning in realistic coding…

Help improve advanced language models by testing their software engineering knowledge in German. You will use coding expertise to assess technical correctness and reasoning, evalu…

Evaluate AI-generated software work across frontend and backend development, using your full stack experience to judge code quality and architectural choices. You’ll identify erro…

Use software engineering expertise and Latin American Spanish fluency to evaluate and improve AI responses to coding tasks. You’ll examine technical problem solving in Spanish, ch…

Join an early engineering team building AI-enabled recruiting and workflow products for enterprise, federal, and regulated customers. Working directly with company founders, you’l…

Help improve AI systems by creating and evaluating challenging machine learning and numerical computing tasks. You will develop reference solutions, assess model-generated code, a…

Use your government security and defense technology experience to help evaluate and improve AI systems. The work involves developing realistic, unclassified scenarios, reviewing t…

Use data engineering expertise to create and assess tasks that help improve AI systems’ ability to work with data. This is flexible, part-time remote contract work focused on real…

Contribute machine learning expertise to the development and evaluation of AI systems through flexible, part-time remote contract work. You will create realistic modeling tasks, a…

Own end-to-end product design for software that helps people understand and respond to complex operational challenges. You’ll work closely with engineers, product partners, subjec…

Own product design from discovery through implementation for complex software used in government or operational settings. Working closely with engineers, product partners, and sub…

Provide hands-on technical leadership for a multi-site web platform, owning code quality, release readiness, and ongoing improvements to performance, security, and maintainability…

Evaluate AI-generated research in computer science and computational physics through rigorous technical review. In this flexible, part-time remote contract role, you will set dema…

Build and operate backend features for consumer and business-facing products that help people manage the removal of their personal information from data broker sites. The role com…

Lead full-stack development for responsive business applications supporting a large government user community. You will deliver features across web interfaces, secure services, an…

Review business data and documents for accuracy as part-time, remote contract work supporting AI evaluation. The work combines careful comparison against assignment criteria with…

Create and evaluate challenging machine-learning engineering tasks that help assess AI systems working with model development and operations. This part-time contract work calls fo…

Help protect a web application and its supporting infrastructure by building security into product development, managing vulnerabilities, and guiding engineering teams on secure p…

Build web experiences for custom websites and application projects. You’ll work with design and backend colleagues to deliver responsive, maintainable solutions, with attention to…

Build production-ready mobile applications for client projects, supporting both iOS and Android through a cross-platform approach. The work spans app development, service integrat…

Develop frontend features and shared components for web applications, taking them from product needs through implementation and refinement. You’ll work closely with product, desig…

Lead application management for a global enterprise performance management environment that supports financial reporting, budgeting, forecasting, and close processes. The director…

Build and support full stack enterprise applications for legal operations, matter and document management, and regulatory processes. The work spans user interfaces, backend servic…

Build and operate enterprise workflow and role-based applications across the full stack. You will contribute to frontend interfaces, backend services, APIs, cloud deployment, and…

Provide senior technical leadership across software products and engineering teams. Set architectural direction, lead complex initiatives from early design through delivery, and h…

Build and improve automated quality checks for a mobile app used to access financial products. You’ll shape the testing strategy and work with engineering, product, and design to…

Lead technical delivery for a software product that helps organizations manage security compliance. This is a hands-on engineering role: you’ll write and ship code, own system des…

Lead engineering for a growing software product focused on helping organizations manage security compliance, while shaping the technical direction and the team that delivers it. T…

Own the solution architecture for a CoreMedia platform supporting complex digital commerce and customer experience programmes. You will guide delivery teams from target-state desi…

Build and improve automated quality practices for mobile applications. You will work with cross-functional teammates to turn testing strategies into scalable test suites, expand c…

Remote technology role with responsibilities and requirements described in the listing. Responsibilities The original listing contains the role-specific day-to-day scope. Requirem…

Remote technology role with responsibilities and requirements described in the listing. Responsibilities The original listing contains the role-specific day-to-day scope. Requirem…

Lead the technical direction for an AI-enabled software development experience where engineers and coding agents work together. The role combines architecture and hands-on enginee…

Remote technology role with responsibilities and requirements described in the listing. Responsibilities The original listing contains the role-specific day-to-day scope. Requirem…

Remote technology role with responsibilities and requirements described in the listing. Responsibilities The original listing contains the role-specific day-to-day scope. Requirem…

Remote technology role with responsibilities and requirements described in the listing. Responsibilities The original listing contains the role-specific day-to-day scope. Requirem…

Build and refine AI agents that help businesses handle customer questions, appointments, support, and online services. You’ll use AI-assisted development tools to create working p…

Provide advanced production support for Momentum Financials, resolving complex user issues and helping maintain reliable financial system operations. The role combines ticket owne…

Build and maintain customer-facing subscription product features across a TypeScript application, from initial requirements through production release and follow-up. You’ll work a…

Own customer-facing product areas from early planning through production for software that helps government and industry teams work with public-sector contracting data. The role c…

Lead a strategic initiative to build consumer shopping products that help people track deals and price changes. You’ll shape the problem with business stakeholders, then own the p…

Deliver full-stack features for a part-time product project that uses AI to analyze events in video. You will work directly with the project’s technical lead in a shared codebase,…