Senior JavaScript Developer jobs in Hartford, CT

Remote Senior JavaScript/React Developer

Remote

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Today

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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14d 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

Remote Senior JavaScript/React Engineer

Remote

•

Today

Easy Apply

Contract

200 - 300

Senior Full Stack Developer

Remote

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6d 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

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

Remote

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15d 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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Third Party, Contract

Depends on Experience

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

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 Full Stack Developer

Remote

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29d 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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Third Party, Contract

$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 Full Stack Developer (Java/React)

Remote

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Yesterday

Job Description: Our client is seeking a Senior Full Stack Developer (Java/React) to join their team. The Senior Full Stack Developer architects, designs, and builds features and capabilities within the Payments domain using modern tools, technologies, frameworks, and systems. They apply a systematic application of scientific and technological knowledge, methods, and experience to the design, implementation, testing, and documentation of software. They own and manage running their application in

Contract, Third Party

70 - 90

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 React.js / Full-Stack Developer

Remote

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6d ago

Senior React.js / Full-Stack Developer - Remote Work Arrangement: Remote Job Type: Contract Contract Duration: 12 Months Employment Type: W2 Only (No C2C) Interview RequirementAn in-person face-to-face interview is required as part of the selection process. Specific interview location and details will be discussed during the recruiter screening call. Job DescriptionWe are seeking a Senior React.js / Full-Stack Developer with strong frontend expertise and hands-on backend development experience

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Contract

50 - 55

Application Developer - Senior

Remote

•

Today

Description Synergy Business Innovation & Solutions is a premier implementer of cutting-edge software solutions. Synergy brings the experience and expertise necessary to deliver capability that provides tangible ROI to our customers. Our core areas of expertise are in the fields of Digital Transformation, Cloud Solutions, SaaS and Low-Code/No-Code Solutions, Emerging Technologies, Data Analytics and Visualization, Information Assurance, and Business Process Re-Engineering. Synergy offers its e

Full-time

USD 100,000.00 - 120,000.00 per year

Senior Java Developer

Remote

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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

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8d ago

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

Remote or Waltham, Massachusetts

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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 or San Antonio, Texas

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Today

Job Family: Software Development & Support Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: The Full-Stack Developer will work closely with clients, digital leaders, solutions architects, and technical/ functional leads across Guidehouse digital teams and market segments to support client projects and provide solutions for growth efforts and capabilities build-out.Serve as a key member of the modernization team to support technical challenges/dem

Full-time

USD 92,000.00 - 153,000.00 per year

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

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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

Senior JavaScript Developer jobs in Hartford, CT, USA