1,667,085+ Lead Fullstack Engineer Javascript Jobs in USA — Top Companies Hiring June 2026

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Senior Full Stack Engineer — Remote, Unlimited PTO

A leading AI software company in Atlanta is seeking a skilled Senior Full Stack Back End Engineer. You will design and develop high-performing web applications, collaborate with cross-functional teams, and utilize modern technologies. The ideal candidate should be experienced with JavaScript, Python, Node.js, ...

Remote AI Model Trainer & Evaluator

A technology company is seeking a Software Engineer to join their team in a remote capacity. The role involves training AI models by providing coding challenges and assessing the output for quality and performance. Ideal candidates will have proficiency in programming languages like Python or JavaScript and b ...

Remote Backend Engineer for Fintech Platform & AI

A fintech startup is seeking a Backend Engineer to design and maintain backend services, ensuring system reliability and scalability. This role suits individuals with experience in backend system development, particularly using JavaScript or Node.js, and familiarity with databases like MongoDB. Join a remote- ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is seeking a Front-End Engineer II to develop single-page applications and enhance user experiences. The role involves collaborating with various teams, mentoring engineers, and applying knowledge of JavaScript and React. Experience in agile environments is expected. Employees enjoy compre ...

Remote AI DevOps Engineer: Model Evaluation & Training

A technology company is seeking a DevOps Engineer to work remotely on training AI models by measuring and improving chatbot performance. The ideal candidate will have proficiency in Python or JavaScript, be detail-oriented, and possess knowledge of algorithms and data structures. This position is independent ...

MLOps & AI Orchestration Engineer

Outlier is seeking a skilled backend engineer in California to enhance AI agents through human feedback and complex systems integration. The ideal candidate will have over 2 years of experience in backend engineering and a strong command of languages such as Python and JavaScript. This role requires ...

Senior .NET Engineer Remote, Paid Time Off & 401(k)

A leading software consultancy is seeking to hire a Staff .NET Engineer. The successful candidate will have over 10 years of experience in software engineering and will work with clients on integrating directly into teams or as part of a product team. Proficiency in C# and .NET is essential, along with strong fr ...

Remote Senior Frontend Engineer AI Powered Job Discovery

A leading job platform is seeking a Senior Software Engineer to design and build scalable frontend systems. The ideal candidate will have over 5 years of full-stack software engineering experience and proficiency in Java, JavaScript, and modern technologies like React. Strong communication and collaboration skil ...

Remote AI Model QA Engineer (Python/JS)

A tech solutions provider in the United States is seeking a Software Engineer to enhance AI models. You will be tasked with assessing the performance of AI chatbots and assessing their outputs. Proficiency in programming languages like Python or JavaScript is essential. Applicants will benefit from a flexible sc ...

Staff Software Engineer, AI DevEx — Build Secure AI Tools

A tech company focused on identity solutions is seeking a Staff Software Engineer to join the AI DevEx team. This role involves building developer tooling, creating demo applications, and contributing to open source projects. The ideal candidate is proficient in JavaScript, TypeScript, Golang, or Python and h ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is seeking a Front-End Engineer II to develop and enhance mobile-first single-page applications for internal systems and user experiences. This role involves collaborating with developers and designers while mentoring junior engineers. Ideal candidates have 3+ years of experience with framewor ...

AI Frontend Architect for Travel Platform (Relocation Included)

A global travel technology company is looking for a Staff Front-End Engineer in Seattle. This role involves designing AI-driven chat experiences and collaborating with engineers and data scientists. Candidates should have over 8 years of experience in building web applications and a strong mastery in JavaScri ...

Principal Front End Architect SaaS Cloud UI

A leading SaaS company in Bend, Oregon is seeking a Principal Software Engineer - Front End to innovate and streamline application development. In this role, you will architect reusable systems, implement features from design to delivery, mentor junior engineers, and establish best practices. Candidates should h ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is looking for a Front-End Engineer II to develop mobile-first single-page applications. This remote position involves strong collaboration with cross-functional teams and requires expertise in JavaScript, React, and Agile methodologies. You'll work on improving code quality, ment ...

Senior Python & Full Stack Engineer | Remote

Jobot is hiring a Senior Python Engineer / Senior Full Stack Developer, offering a fully remote position for a growing reinsurance company. The role requires strong Python skills and JavaScript experience with React and Node.js, alongside 8+ years in software development. Compensation ranges from $1 ...

Remote SOAR Engineer: Automations & SOC Playbooks

A cybersecurity firm is looking for a Remote SOAR Developer/Engineer to automate SOC processes, develop custom applications, and integrate SOAR platforms with existing tools. Candidates should have at least 2 years of relevant experience, a bachelor's degree in Computer Science or a related field, and profici ...

Remote Senior Python Engineer | Full Stack (React/Node)

Jobot is looking for a Senior Python Engineer / Senior Full Stack Developer to join a growing reinsurance company. This role offers a fully remote work environment with a competitive salary ranging from $150,000 to $200,000 per year and an annual bonus of up to 25%.Ideal candidates should have at least 8 years o ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is seeking a Front-End Engineer II to develop and enhance single-page applications. The candidate will collaborate with developers and designers, focusing on mobile-first development using Ember.js and React.Applicants should have 3+ years of experience, strong JavaScript fundamentals, and the ...

Senior Platform Engineer Scale, Secure & Innovate

A leading hospitality company is seeking a Senior Product Engineer to join their Digital Sales & Events team. This role involves designing scalable digital solutions and mentoring engineers. Candidates should have over 5 years of experience in software engineering, strong skills in Java and JavaScript, and ex ...

Remote Android Engineer for AI Apps & Training

A leading AI development company seeks an Android Software Engineer to design coding solutions for AI systems. Enjoy flexible remote work, a competitive pay starting at $40+ per hour, and a chance to shape the future of AI technologies. Ideal candidates are fluent in English and have proficiency in programmin ...

Head of Technology

Do you want to be part of the core team that is building the next one-of-a-kind tech companies that can potentially change your career's trajectory?! We are striving to build the future of AI for consumer enterprises, and our founders need your help as we are growing. Come join us and leave your mark! ...

QA Engineer Automated 3

***Position is 60% Remote in Austin, TX: Mon-Tues (ONSITE) -- Wed-Fri (REMOTE).***The program will only allow candidates who are LOCAL TO THE AUSTIN AREA ONLY.I. DESCRIPTION OF SERVICESThe Agency requires the services of 1 QA Engineer Aut ...

QA Engineer Automated 3

I. DESCRIPTION OF SERVICESTexas Health and Human Services Commission requires the services of 1 QA Engineer Automated 3, hereafter referred to as Candidate(s), who meets the general qualifications of QA Engineer Automated 3, Quality Assurance (QA) and Testing and the specifications outlined in this document for ...

Senior Technical Support Engineer (Linux)

Overview Base pay range $75,000.00/yr - $85,000.00/yr Engineer Solutions that Empower Students Are you passionate about technology, troubleshooting, and making an impact in education? MasteryPrep is seeking a Technical Support Engineer to provide high-quality support to both internal teams and external users, en ...

Tech Lead/Full Stack Python API Developer

Stratacent is seeking a Senior Fullstack Engineer, you will be a core member of a cross-functional, integration team responsible for developing and executing on a vision for the Platform. We practice an agile, highly customer focused, and learning-based approach to product development. You will be a part of e ...

Java Developer

Payrate: $;- $ Summary:We are looking for an experienced Fullstack Engineer with a strong focus on backend development utilizing Java and Spring. The main objective is to develop and enhance a new integration service that connects Azure-based services with Manhattan's MA ...

Automation Engineer: Build Internal Tools & AI Workflows (Hiring Immediately)

A unique hospitality enterprise in the United States is seeking an Associate Systems & Automation Engineer to enhance internal tools and automation. This role focuses on resolving operational challenges using JavaScript and TypeScript while contributing to full-stack development. The ideal candidate should ha ...

Frontend Engineer AI Radiology UI, Stock & Unlimited PTO

A leading healthcare technology company is looking for a Frontend Software Engineer to create innovative, user-friendly applications for physicians. In this role, you will work collaboratively with product managers and designers to develop tools that enhance the engagement of doctors with medical imaging syst ...

Remote Cloud Platform Engineer AI Model QA

A technology company is seeking a Cloud Platform Engineer to enhance AI models. Responsibilities include evaluating AI outputs through coding challenges and ensuring model correctness and performance. The ideal candidate possesses strong programming skills, particularly in Python or JavaScript, and works with ...

Senior .NET Engineer Remote, Paid Time Off & 401(k)

A dynamic software consultancy is seeking a Staff .NET Engineer to join its team. The role involves working directly with clients or as part of a product team to deliver high-quality software solutions. The ideal candidate will have over 10 years of experience in software engineering, proficiency in C# and .N ...

Staff Front End Engineer — React, Performance & Scalable UI

A leading online travel platform based in San Jose is seeking a Staff Software Engineer (Front End) to enhance user interfaces and collaborate with cross-functional teams. The ideal candidate will have over 8 years of front-end development experience and expertise in React, JavaScript, and performance optimiz ...

Remote Backend Engineer (JS/Scala) Long Term

A leading technology firm is seeking a JavaScript Back End Engineer for a fully remote W2 role. Candidates must have over 7 years of experience, including at least 2 years in Scala. Responsibilities include developing Java/Scala based REST APIs, supporting project functionalities, and troubleshooting producti ...

Senior Frontend Engineer Healthcare AI (Remote LATAM)

A healthcare technology company is looking for a Frontend Engineer to design and enhance web applications for healthcare professionals. You will collaborate with cross-functional teams to build responsive user interfaces and mentor junior developers. The ideal candidate has over 5 years of experience in front ...

Remote AI Cloud Platform Engineer — Model Training & Evaluation

A leading AI training company is seeking a Cloud Platform Engineer to evaluate AI chatbot outputs through coding challenges and writing tasks. This role requires proficiency in programming languages such as JavaScript, Python, and others, along with strong English fluency. The position is flexible and remote, of ...

Senior Full Stack AI Engineer — Lead Architecture

A leading travel technology company is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences. The ideal candidate should have over 8 years of software engineering experience, expertise in Java, Kotlin, .NET, and JavaScript frameworks, and a track record of leading architecture on ...

Web Engineer (Americas) Own Growth Website & SEO

A security infrastructure platform is seeking an exceptional Web Engineer to enhance their website and drive user adoption. This position involves collaborating with design and marketing to create pixel-perfect experiences. The ideal candidate will excel in JavaScript, React.js, and SEO practices, with a bias ...

Remote AI DevOps Engineer: Model Evaluation & Training

A leading AI training company is seeking a DevOps Engineer to join their remote team. In this role, you will provide coding challenges to AI chatbots and evaluate their outputs for correctness and performance. Candidates should be proficient in Python or JavaScript and have experience with algorithms and debu ...

Senior SDET, PAM Automation Architect (Remote)

A leading cybersecurity company is hiring a Senior Software Development Engineer in Test (SDET) to join their PAM team. This role is primarily remote, optimizing automation workflows across cloud environments. Candidates should have 5+ years in test automation and solid programming skills in Python or JavaScr ...

Front End Engineer II (Remote) — Build Modern SPAs

The Eliassen Group is seeking a Front‑End Engineer II for a permanent remote position responsible for building and enhancing single-page applications. You will collaborate with developers and designers, mentor interns, and apply your JavaScript and React skills in a dynamic environment.The ideal candidate ha ...

Remote Web Platform Engineer AI Model Evaluator

An AI training company is seeking a Web Platform Engineer to evaluate AI chatbots' outputs and improve their logic. The role allows for remote work and on-demand project selection, paying $30-$40+ per hour. Candidates should be fluent in English and have experience with programming languages including Python ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is seeking a Front-End Engineer II to enhance single-page applications while partnering with various teams. The candidate will work primarily with Ember.js and React, focusing on responsive design and accessibility. Responsibilities include mentoring, developing components, and ensuring code q ...

AI Driven TypeScript Senior Engineer Remote

A leading SaaS management firm is seeking a Senior Software Engineer specializing in TypeScript who will develop innovative browser automation solutions. The role is fully remote and requires 3+ years of experience in web development, particularly with JavaScript and TypeScript. Candidates should be eager to ...

Staff Frontend Engineer, Robotics Data Visualization

A robotics company in San Francisco is seeking a Frontend Staff Software Engineer to build high-performance, interactive tools for robotics data visualization. The ideal candidate has over 8 years of experience, strong skills in Rust and JavaScript/TypeScript, and a passion for innovative frontend solutions. You ...

Remote AI Model QA Engineer (Python/JS)

A leading AI training company is seeking a Software Engineer to join their remote team. In this role, you will be responsible for training AI models by providing coding challenges and evaluating their performance and logic. Candidates should be proficient in at least one programming language, such as Python or J ...

AI Model Ops Engineer Remote

A technology company is looking for a skilled DevOps Engineer to join their remote team. The role involves training AI models and evaluating their outputs through coding challenges. Applicants should be proficient in at least one programming language, such as Python or JavaScript, and possess strong problem-solv ...

Front End Engineer II (Remote) — Build Modern SPAs

Eliassen Group is searching for a Front-End Engineer II to enhance single-page applications for clients. This remote position requires strong JavaScript, HTML, and CSS skills, along with experience in frameworks like React or Ember.js. The ideal candidate will work collaboratively within a scrum tea ...

Remote Full Stack Engineer for AI Model Training

A leading AI development company is seeking a Full Stack Engineer to enhance AI chatbot performance. In this remote position, you'll evaluate AI outputs, ensure quality, and tackle coding challenges. Proficiency in programming languages like Python or JavaScript is essential. The role is independent contract- ...

Senior Platform Backend Engineer (Remote)

SmithRx, a rapidly growing Health-Tech company in San Francisco, is seeking a Staff Software Engineer to drive innovation in their product suite. This role involves key responsibilities from design to implementation with a focus on back-end architecture using languages like Golang and JavaScript. The ideal ca ...

Remote DevX Integration Engineer

An AI-first e-commerce platform is seeking a Software Engineer who will act as a technical partner to customers. Responsibilities include maintaining open-source UI libraries, troubleshooting integrations, and collaborating across teams. The ideal candidate has 2+ years of experience in software engineering, ...

Senior Full Stack Engineer — Remote (Entertainment)

A global talent and entertainment company is seeking an experienced software engineer to join their team. You'll work on architecting and developing web applications, collaborating with various teams to ensure product usability. The ideal candidate should have 5+ years of experience, proficiency in Python and ...

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    Lead Fullstack Engineer Javascript Jobs in United States Job Search Guide, Trends and Insights