Senior JavaScript Developer jobs in Hartford, CT

Remote Senior JavaScript/React Developer

Remote

•

Yesterday

AboutUs: BasedinSanFrancisco,California,TuringistheworldsleadingresearchacceleratorforfrontierAIlabsandatrustedpartnerforglobalenterprisesdeployingadvancedAIsystems.Turingsupportscustomersintwoways:first,byacceleratingfrontierresearchwithhigh-qualitydata,advancedtrainingpipelines,plustopAIresearcherswhospecializeinsoftwareengineering,logicalreasoning,STEM,multilinguality,multimodality,andagents;andsecond,byapplyingthatexpertisetohelpenterprisestransformAIfromproofofconceptintoproprietaryintellig

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Contract

200 - 300

Senior Full Stack Developer - JavaScript

Remote

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7d ago

Detailed Job Description: Position Title: Sr. Full Stack Engineer Location: 100% Remote Duration: 6 Months Contracts + Extension As a Senior Full Stack Engineer, candidate will be responsible for building and maintaining robust data pipelines and ETL processes that power analytics and reporting across Client programs. Candidate will also develop and optimize complex SQL queries to support large-scale educational data analysis and take responsibility for creating design specifications, unit te

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Contract

$75 - $82

Senior Full Stack Developer

Remote

•

13d ago

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS. This is a remote opportunity supporting ongoing application modernization, technology migration, and product enhancement initiatives. The Senior Full Stack Developer will collaborate with client stakeholders, solution architects, product owners, UX designers, platform engineers

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Contract

Depends on Experience

Remote Senior JavaScript/React Engineer

Remote

•

Yesterday

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Contract

200 - 300

Javascript developer

Remote or Hybrid in San Francisco, California

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4d ago

Need a strong engineer with expertise in JavaScript and Typescript developer for our direct client in Bay Area, CA USC/H1bs/EADs are acceptable It is open for W2/C2C/1099 It is long term contract role Thanks

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Contract

Depends on Experience

*Senior Software Engineer (Nodejs, Javascript, AWS exp.) - W2 role

Remote

•

8d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posi

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Contract, Third Party

Depends on Experience

JavaScript Developer (Remote)

Remote or Stafford, Virginia

•

Today

The following states/districts are excluded from this job ad: AK, CA, CO, CT, DC, HI, LA, MA, MN, MO, NE, NV, NH, NJ, NM, NY, ND, OR, PR, RI, VT, WA, WY Future Need - Actively Interviewing Location: Remote in any United States jurisdiction not excluded from this job advertisement. Are you passionate about JavaScript coding and ready to take on new challenges? We're seeking a skilled JavaScript Developer to support the development and enhancement of Department of Veterans Affairs solutions. If

Full-time

USD 89,759.00 - 117,910.00 per year

Senior JavaScript Test Automation Engineer

Remote

•

Today

We are looking for a Senior Test Automation Engineer with strong experience in JavaScript- or TypeScript-based automation frameworks. The ideal candidate should have hands-on experience building and maintaining automated tests for modern web applications and APIs, with a strong focus on quality, reliability, and maintainability. This role requires solid automation experience, strong testing fundamentals, and the ability to collaborate effectively with development, product, and QA teams. Responsi

Full-time

Senior Front End Software Developer (AI, React, JavaScript) - Remote US

Remote or Waltham, Massachusetts

•

Today

Job Title Senior Front End Software Developer (AI, React, JavaScript) - Remote US Location(s) United States - Waltham MA About Us Revvity is a developer and provider of end-to-end solutions designed to help scientists, researchers, and clinicians solve the world's greatest health challenges. We pair the enthusiasm of an industry disruptor with the experience of a longtime leader. Our team of 11,000+ colleagues from around the globe are vital to our success and the reason we're able to push bou

Full-time

USD 130,000.00 - 158,000.00 per year

Senior Full Stack Developer

Remote

•

22d ago

Senior Full Stack Developer Remote, Dallas, TX (Need to go Onsite for Final Interview) Note: Need experience with Micro Frontend and Playwright Position Summary We are seeking a highly skilled Senior Full Stack Developer to design, develop, and maintain scalable, cloud-native enterprise applications. The ideal candidate will have strong experience across both frontend and backend development, building modern web applications, RESTful APIs, microservices, and Micro Frontend architectures while de

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Contract, Third Party

$0 - $0

Senior Web Developer

Remote

•

Today

At Vanta, our mission is to help businesses earn and prove trust.We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. Vanta is seeking a skilled and motivated Senior Web Developer to join our growing web team. In this role, you will be a strong individual contributor workin

Full-time

USD 116,000.00 - 137,000.00 per year

Senior REACT JS Developer

Remote or Hybrid in Washington, District of Columbia

•

Today

Role Description: The role will require you to design, develop and test using React JS technologies which will facilitate application development and implementation from development to QA to production. You will work to gain an understanding of the current system infrastructure, security needs, network considerations, methodologies. In this role, you will primarily focus on ReactJS programming, integrate designs and wireframes within the application code, write application interface code with J

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Contract, Third Party

Depends on Experience

Senior Developer (Front-End)

Remote

•

Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Software Engineering Job Qualifications: Skills: Agile Scrum Development, Microsoft Azure, User Experience (UX), Web Applications Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Job Description Overview: We are seeking a highly skilled Senior Developer with over 7 years

Full-time

USD 111,155.00 - 150,385.00 per year

Senior Java Developer

Remote

•

Today

CTEC is a leading technology firm that provides modernization, digital transformation, and application development services to the U.S. Federal Government. Headquartered in McLean, VA, CTEC has over 300 team members working on mission-critical systems and projects for agencies such as the Department of Homeland Security, Internal Revenue Service, and the Office of Personnel Management. The work we do effects millions of U.S. citizens daily as they interact with the systems we build. Our best-in-

Full-time

Senior Developer

Remote

•

Yesterday

Senior Developer - Remote Primary Location: Remote Frankfort Kentucky V-Soft Consulting is currently hiring for a Senior Developer - Remote for our premier client Frankfort, Kentucky. Education and Experience Bachelors degree in computer science, Mathematics, or related field 5+ yrs. job experience or associate degree in computer science/information technology (related field) with 2+ yrs. job-related experience 2+ year experience configuring, implementing, and troubleshooting enterprise applic

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Contract

Depends on Experience

Senior Application Developer

Remote

•

12d ago

Company Description We make AI safe, confidential, and compliant for companies. Verapath is an AI platform company based in Greenwich, CT, focused on managing the risks associated with artificial intelligence systems. As AI becomes increasingly foundational to business and society, organizations must proactively address security vulnerabilities, regulatory compliance, bias, and model risk. Verapath delivers AI security, governance, risk, and compliance solutions for medium-to-large enterprises d

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Full-time

100,000 - 200,000

Senior Frontend Engineer

Remote

•

Today

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. Role Overview We're looking for a Senior Frontend Engineer to help build and improve core product experiences at ClickUp. You'll wo

Full-time

USD 160,000.00 - 210,000.00 per year

Senior Asset Development Engineer

Remote

•

Today

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Our Professional Services development team is growing, and we are see

Full-time

USD 114,500.00 per year

Senior Software Engineer (Frontend)

Remote

•

Today

Overview Join an amazing team that is consistently recognized for our achievements and culture, including our most recent Forbes award of being one of America's Best Midsize Employers for 2026! Position Summary: As a Senior Software Engineer, you will play a crucial role in designing, developing, and maintaining complex software systems. This position involves leading agile teams or projects, mentoring junior engineers, and ensuring the delivery of high-quality software solutions. Geo-Salary

Full-time

USD 94,458.00 - 179,048.00 per year

Software Engineer IV (Technical Lead) - HYBRID Preferred (Raleigh or Jersey City) OR REMOTE

Remote or Jersey City, New Jersey

•

Today

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility . JOB SUMMARY The Software Engineer IV (Lead) develops, implements, and maintains software solutions that enable business operations to achieve company goals and objectives. This role combines hands-on

Full-time

USD 115,000.00 - 180,000.00 per year

Senior JavaScript Developer jobs in Hartford, CT, USA