React.js Jobs in Massachusetts

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Software Engineer, Frontend - UI Systems Team

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 12 days ago | Updated 2 hours ago

Senior Python Developer

SPG Consulting Services LLC

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Remote

Contract

Job Title: Senior Python DeveloperLocation: Dallas, TX (Onsite or Remote) "Empowering Education Through Technology"Are you a passionate Python developer ready to shape the future of digital learning? Join us in building next-gen LMS platforms like Open edX and Moodle, where your code directly impacts learners around the world. We're looking for a developer who thrives in full-stack environments and believes in clean, scalable, and secure code. Job Summary:Sage IT is seeking an experienced Senior
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Posted 10 days ago

PRINCIPAL AI ENGINEER, IS&T Applications

Boston University

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Boston, Massachusetts, USA

Full-time

Job Description Are you ready to challenge the status quo and help shape the future of higher education and beyond? At Boston University, we are assembling a world-class AI Engineering team to transform operations, drive innovation, and deliver innovative AI applications and agents. You will join as the Principal AI Engineer where you will work on cutting-edge technologies Agentic AI frameworks, LLMs, RAG, MCP, scalable AI architectures and develop solutions at the forefront of modern artificia
Posted 2 days ago | Updated 2 hours ago

Full Stack Engineer

Irvine Technology Corporation (ITC)

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Remote or Brookhaven, Georgia, USA

Contract

Full-Stack Engineer Our client is seeking a dynamic and forward-thinking engineer to lead the design and development of cutting-edge interoperability platforms. This role is ideal for someone who thrives on full lifecycle ownership from ideation to production and is passionate about connecting systems across hybrid environments. You ll be instrumental in shaping scalable, secure, and innovative solutions that drive integration and performance across platforms. Location: RemoteDuration: 1 year
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Posted 17 days ago | Updated 1 hour ago

Sr. SDE - UI

Unify Technologies, Inc.

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Remote

Full-time

Required Skills and Experience: React,Javascript,CSS - Microservices Qualification: Master's/Bachelor's degree or equivalent in Computer Science related fields. Experience: 4+ years
Posted 60+ days ago | Updated 10 hours ago

Software Engineer - Remote

Donnelley Financial Solutions

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Remote

Full-time

Join a dynamic team at the pulse of global markets, where we deliver innovative software and service solutions for essential financial reporting and capital markets transactions. At DFIN, we are a values-driven organization that empowers you to build a fulfilling career while bringing your authentic self to work every day. Our "Win as One" mentality ensures that our team's success is directly linked to Client, Shareholder and Employee Satisfaction. Recognized by Newsweek as one of AMERICA'S MOST
Posted 1 day ago | Updated 1 hour ago

Full stack Architect (Java,Spring Boot, Nest.js) - Remote

Nobl Q, LLC.

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Remote

Third Party, Contract

Job Title: Full stack Architect RemoteContract We are seeking a visionary and hands-on Full stack Architect with deep expertise in Java, React.js,Nest.js and application/web architecture to lead the design and development of scalable, secure, and high-performance solutions. This role involves owning the full stack technology direction, mentoring development teams, and ensuring architectural alignment with business goals. Key Responsibilities:Design and oversee the architecture of fullstack solut
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Posted 9 days ago

Principal Software Engineer - Front End

Veeva Systems

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Boston, Massachusetts, USA

Full-time

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer Success, Employee Success, and Speed. We're not just any public company - we made history in 2021 by becoming a public benefit corporation
Posted 24 days ago | Updated 1 hour ago

Senior Frontend Engineer

Rockstar Games

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Andover, Massachusetts, USA

Full-time

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is seeking a talented and experienced Frontend Engineer with a focus on the "back of the frontend" to join our online development team. Thi
Posted 8 days ago | Updated 1 hour ago

Senior Software Engineer

Ameriprise Financial

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Remote or Minneapolis, Minnesota, USA

Full-time

Ameriprise Financial, Inc. seeks a Senior Software Engineer, in Minneapolis, MN. Key Responsibilities to lead the development team through the design, development, documentation, testing, and modification of existing and new software applications, while championing standard techniques, procedures, and criteria. Participate in architecture design, performance monitoring, product evaluation, and buy vs. build decisions. Track and communicate development project status, dependencies, and risks/mi
Posted 14 days ago | Updated 2 hours ago

Mid Full Stack Software Engineer

Booz Allen Hamilton

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Lexington, Massachusetts, USA

Full-time

Job Number: R0221084 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 sof tware, 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 sof tware and systems from vision to production-ready. This role is more than just coding.
Posted 17 days ago | Updated 2 hours ago

Real Estate Sr. Systems Analyst

Fidelity Investments

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Boston, Massachusetts, USA

Full-time

Job Description: Job Title Real Estate Senior Systems Analyst The Role We are seeking a highly motivated and responsive team player who can multi-task and has excellent analytical skills. As a member of the Fidelity Real Estate Company (RE) Technology Innovation team, you will provide analysis and support for several real estate applications and systems. In this role, you will partner with the Director of Real Estate Technology Operations, other systems analysts, business subject matter expe
Posted 4 days ago | Updated 13 hours ago

Back End Java Developer (Remote)

ConsultNet, LLC

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Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug
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Posted 18 days ago | Updated 1 hour ago

Senior Fullstack Product Software Engineer, Dash

Dropbox Inc

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Remote

Full-time

Role Description As a Full Stack Engineer at Dropbox, you will help design and develop the seamless, scalable, and user-friendly experiences Dropbox users depend on. You will take ownership of key product areas, delivering end-to-end solutions that combine front-end user interfaces with robust back-end systems. You will play a leadership role in designing scalable architectures and driving impactful product enhancements. This year, Dropbox is on a mission to expedite the creation and implementa
Posted 42 days ago | Updated 7 days ago

Lead Full Stack Engineer

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

We are a gaming start-up reimagining how players connect, compete, and play online. We're building a next-generation platform that blends competitive gaming with social interaction, creating immersive experiences for a global community. Our team is made up of passionate engineers, designers, and gamers who are driven by creativity, innovation, and a shared love of games. We're looking for a Lead Full Stack Engineer to join us at a pivotal moment. This is a rare opportunity to take ownership of c
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Posted 60+ days ago | Updated 10 hours ago

Senior Software Engineer, AI Solutions

10x Genomics

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California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d
Posted 1 day ago | Updated 2 hours ago

Software Engineer III

Kforce Technology Staffing

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Remote or New York, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Software Engineer to join their team. As a Software Engineer , you will play a key role in building and maintaining robust, scalable, and secure web applications. You will work in a dynamic and fast-paced environment, collaborating with cross-functional teams to design and develop both frontend and backend solutions. Your primary responsibilities will span across building and optimizing RESTful services, developing modern web applications u
Posted 4 days ago | Updated 19 hours ago

Staff Software Engineer, AI Solutions

10x Genomics

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California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d
Posted 2 days ago | Updated 2 hours ago

Javascript Developer

Randstad - Torc

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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

Frontend Software Developer

Eliassen Group

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Anywhere, US

Contract

Description: ** Remote ** Pay rate: $53-$58/hr w2 React HTML5/CSS3 TypeScript/JavaScript VS Code Material UI Ag-Grid React SQL (Strong proficiency required) AWS (Strong proficiency required) We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Skills, experience, and other compensable factors will be considered when determining pay rate. Th
Posted 11 days ago | Updated 1 hour ago