React.js Jobs in Massachusetts

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Javascript Developer

Randstad - Torc

•

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 12 days ago

Mid Full Stack Software Engineer

Booz Allen Hamilton

•

Lexington, Massachusetts, USA

Full-time

Job Number: R0221218 Full Stack Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. A
Posted 18 days ago | Updated 4 hours ago

Advanced Software Engineer

General Dynamics

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Dedham, Massachusetts, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for acce
Posted 9 days ago | Updated 3 hours ago

Senior Software Engineer, Game Experience

Discord Inc.

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Remote

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. This position is
Posted 53 days ago | Updated 3 hours ago

Senior UX Designer

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

About Us We are a leading pharmaceutical research organization advancing breakthrough therapies through cutting-edge science, AI-driven discovery, and global collaboration. Our platforms integrate data, automation, and artificial intelligence to empower scientists working at the forefront of drug development. We're seeking a Senior UX Designer to lead the design of intuitive, intelligent tools used by scientists across the R&D pipeline-from early discovery to translational research. Role Overvi
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Posted 16 days ago | Updated moments ago

Senior Software Engineer II (Growth)

DigitalOcean

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Boston, Massachusetts, USA

Full-time

We're looking for an experienced Senior Software Engineer II to join our Growth R&D engineering team and play a crucial role in driving growth via our product activation strategy. You will collaborate closely with Product and UX Design and work across the full tech stack to ship everything from large-scale multi-product experiences that span across the Cloud Console to small but impactful Growth experiments to realize incremental improvements to activation business metrics. In addition to custo
Posted 55 days ago | Updated 3 hours ago

Application Developer - Officer

State Street Corporation

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Boston, Massachusetts, USA

Full-time

Who we are looking for State Street Global Technology Services ERM systems is looking for a developer to manage workflow functionality for Enterprise Risk Management Applications. We are looking for a full stack developer with strong big data skills for real time and batch based systems. What you will be responsible for As Developer you will Perform the technical design, development, integration, and testing efforts for data using various development languages and tools to create quality solu
Posted 6 days ago | Updated 3 hours ago

Backend Developer Level 2

Kforce Technology Staffing

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Remote or Cincinnati, Ohio, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Backend Developer Level 2 in Cincinnati, OH. Summary: We're looking for a skilled Backend Developer to join the Supply Chain Strategic Operations Support (SCSOS) team, which owns the full DevSecOps responsibilities for four enterprise applications. This role is essential to the long-term support and enhancement of applications that require 24x7 availability. You'll play a key role in the design, development, and maintenance of scalable bac
Posted 5 days ago | Updated 1 hour ago

Senior Software Engineer

10x Genomics

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California, USA

Full-time

10x Genomics creates powerful scientific tools that enable biological discoveries and drive exponential progress in the study of human health. Our talented team has a distinguished record of creating innovative instruments, reagents, and software that analyze biological systems at a resolution that matches the complexity of biology. Scientists have used our tools to discover the mechanisms behind Alzheimer's disease, cystic fibrosis, autism, stem cell differentiation, COVID-19, and more. We're
Posted 7 days ago | Updated 3 hours ago

Front End Developer - Contractor

Dimensional Fund Advisors LP

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Remote

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 4 days ago | Updated 3 hours ago

Application Developer

Valiant Solutions LLC

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Remote

Full-time

Valiant Solutions is seeking an Application Developer to support our agile software development practice supporting an environmentally focused Federal Government client. The agency's programs aim to promote environmental sustainability and protect the natural resources of our planet. As part of this contract, we will be supporting the agency's efforts to develop and maintain information systems that facilitate the tracking and reporting of environmental data. Our team will work closely with the
Posted 60+ days ago | Updated 9 days ago

Software Engineer, Frontend (Consumer - Growth)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 59 days ago | Updated 3 hours ago

C#/C++ Software Engineer (Portland, ME)

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Job Description This position is based in our Portland, ME office. The right candidate will be a highly motivated individual ready to join the Development team. Your responsibilities include developing software on project teams, designing software, collaborating with stakeholders, and participating in departmental initiatives. You are a problem solver at heart and enjoy leveraging technology to provide best in class solutions. You are an adaptable, driven, autonomous yet collaborative engineer
Easy Apply
Posted 46 days ago | Updated moments ago

Full Stack Developer - Remote

Jobot

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US

Full-time

Growing tech company in the supply chain space is hiring for a Remote Software Developer skilled in React and .NET! This Jobot Job is hosted by: Sydney Weaver Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $90,000 - $120,000 per year A bit about us: Growing tech company in the supply chain sector is seeking a talented Frontend Software Developer. In this key role, you will influence architectural decisions and project strategies, utilizing
Posted moments ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Boston, Massachusetts, USA

Full-time

About Us We're a fast-growing fintech company transforming the way people interact with their finances. Our platform helps users make smarter financial decisions by offering real-time insights, automated tools, and secure integrations with banks and financial institutions. We're backed by top-tier investors and trusted by thousands of users daily. The Role As a Senior Software Engineer, you'll play a critical role in shaping the core product experience. You'll work across the stack using React
Easy Apply
Posted 58 days ago | Updated moments ago

Senior Software Engineer, Frontend (Consumer - Trading)

Coinbase

•

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 29 days ago | Updated 3 hours ago

Sr. Manager, UX Engineering

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 22 days ago | Updated 3 hours ago

Senior ServiceNow Software Engineer

ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 11 days ago | Updated 3 hours ago

Senior Data Analyst (Remote)

Progressive Leasing

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Utah, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 3 hours ago

Java Developer - Equity Finance - VP

Citi

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Remote or New York, New York, USA

Full-time

What We do / The Team The Equity Finance Technology team are seeking a development role for the Trading application, located in New York. The role requires working with technologists across geographical locations and executing on the technical delivery. This role requires strong expertise in Java and the ability to work with traders in building business solutions through agile delivery. Responsibilities: Resolve variety of high impact problems/projects through in-depth evaluation of complex bu
Posted 51 days ago | Updated 3 hours ago