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Typescript React Developer Junior Jobs in Massachusetts

Senior React Developer

Boston, MA · On-site

$120 - $170/hr

Experience with Typescript * Experience with NodeJS (min 3 years) * Experience with React (min 3 ... Good understanding of DevOps strategies and Cloud products * Good understanding of full stack ...

Sr. AI Developer

Boston, MA · On-site

$59.25 - $78.25/hr

NET, Python, and TypeScript/React, writing well-structured services, clean APIs, and tested code ... Strong software engineering fundamentals, including data structures, system design, and testing ...

Principal Software Engineer

Boston, MA · On-site

$150 - $230/hr

Exercise your technical chops while coaching and collaborating with junior software engineers ... Design, build, and integrate full‑stack solutions using JavaScript/TypeScript, React, Node.js, ...

Senior Software Engineer (Frontend, Growth)

Boston, MA · On-site

$133K - $175K/yr

Required : • 5+ years of professional experience in frontend software engineering, with deep expertise in TypeScript, React, and modern web frameworks (Next.js strongly preferred) • Track record ...

Principal Software Engineer

Boston, MA · Hybrid

$146K - $196K/yr

Exercise your technical chops while coaching and collaborating with junior software engineers ... Design, build, and integrate fullstack solutions using JavaScript/TypeScript, React, Node.js, Next ...

Principal Software Engineer

Boston, MA · Hybrid

$146K - $196K/yr

Exercise your technical chops while coaching and collaborating with junior software engineers ... Design, build, and integrate full-stack solutions using JavaScript/TypeScript, React, Node.js, Next ...

The Research Engineer role involves developing AI algorithms and systems that drive innovative ... Typescript + React • Experience with robot arms / manipulation • Experience with motion ...

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Typescript React Developer Junior information

What is a Typescript React developer junior?

Typescript React Developer Juniors are entry-level software developers who specialize in building web applications using React, a popular JavaScript library for user interfaces, and TypeScript, a typed superset of JavaScript. They typically have foundational knowledge of these technologies and work on tasks such as developing components, fixing bugs, and collaborating with more experienced developers. Junior developers are expected to learn best practices, write clean and maintainable code, and gradually take on more complex responsibilities as they gain experience.

What are the key skills and qualifications needed to thrive as a junior Typescript React developer?

To thrive as a Junior TypeScript React Developer, you need a solid understanding of JavaScript, TypeScript, React fundamentals, and basic web development principles, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, package managers (npm/yarn), and front-end build tools is typically required. Strong problem-solving skills, attention to detail, and effective communication help you collaborate and learn within development teams. These skills and qualities are crucial for building reliable, maintainable user interfaces and for growing professionally in a fast-paced tech environment.

What are some common challenges junior Typescript React developers face when joining a new team, and how can they overcome them?

Junior Typescript React developers often encounter challenges such as understanding established codebases, adapting to team coding standards, and effectively using TypeScript’s type system. To overcome these, it’s helpful to actively participate in code reviews, seek feedback from senior developers, and make use of available documentation. Regularly pairing with teammates and practicing writing typed components can also accelerate learning and ease the transition into collaborative workflows.

What is the difference between Typescript React Developer Junior vs Typescript React Developer Mid-Level?

CriteriaTypescript React Developer JuniorTypescript React Developer Mid-Level
Experience0-2 years2-5 years
SkillsBasic understanding of React and Typescript, limited project experienceProficient in React and Typescript, able to handle complex projects
ResponsibilitiesAssist in development, bug fixing, learning best practicesLead small features, optimize code, mentor juniors
Work EnvironmentEntry-level teams, supervised tasksCollaborative teams, independent task management

The main difference between a Typescript React Developer Junior and a Mid-Level is experience and responsibility. Juniors are typically new to the field, focusing on learning and assisting, while Mid-Level developers handle more complex tasks and contribute more independently.

What are popular job titles related to Typescript React Developer Junior jobs in Massachusetts?

For Typescript React Developer Junior jobs in Massachusetts, the most frequently searched job titles are:

What cities in Massachusetts are hiring for Typescript React Developer Junior jobs?

Cities in Massachusetts with the most Typescript React Developer Junior job openings:

Infographic showing various Typescript React Developer Junior job openings in Massachusetts as of August 2026, with employment types broken down into 79% Full Time, 7% Part Time, 1% Temporary, 12% Contract, and 1% Nights. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Lead Software Engineer, Fullstack (Python, Typescript, React, AWS)

Capital One

Cambridge, MA • On-site

Full-time

Posted 6 days ago


Key responsibilities

  • Lead a portfolio of diverse technology projects and a team of developers to create solutions that meet regulatory needs.

  • Collaborate with digital product managers to deliver robust cloud-based solutions that enhance user experiences.

  • Share knowledge of emerging technologies, mentor team members, and experiment with new tools and frameworks.


Capital One rating

7.8

Company rating: 7.8 out of 10

Based on 148 frontline employees who took The Breakroom Quiz

89th of 175 rated banks


Job description

Lead Software Engineer, Fullstack (Python, Typescript, React, AWS)

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead Software Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One.

Risk Tech is responsible for transforming risk management into a real time, intelligent discipline powered by modern products and technical capabilities. Our mission is divided into two primary functional pillars: Risk Management Tech (RMT), which develops the frameworks and tools for monitoring risks, testing controls, and managing regulatory requirements; and AML and Compliance Tech (ACT), which ensures our products are delivered ethically and in strict compliance with BSA/AML regulations and global laws.

Reinforcing these pillars are our commitment to Architecture & Engineering Excellence. Our Architecture team bridges the gap between business strategy and technical execution through a customer centric, domain oriented lens, while our Engineering Excellence team empowers our talent to build better, more resilient systems every day. Together, we ensure that Risk Tech isn't just a safeguard - it's a competitive advantage.

What You'll Do:

  • Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company

  • Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community

  • Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment

  • Utilize programming languages like JavaScript, Java, Node.JS, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services

Basic Qualifications:

  • Bachelor's Degree

  • At least 4 years of experience in software engineering (Internship experience does not apply)

  • At least 1 year experience with cloud computing (AWS, Microsoft Azure, Google Cloud)

Preferred Qualifications:

  • Master's Degree

  • 7+ years of experience in at least one of the following:Python, Typescript, React

  • 3+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service

  • 4+ years of experience in open source frameworks

  • 1+ years of people management experience

  • 2+ years of experience in Agile practices

  • Experience leveraging interactive AI tooling to accelerate productivity, utilizing capabilities beyond basic code completion

At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

Cambridge, MA: $197,300 - $225,100 for Lead Software Engineer


McLean, VA: $197,300 - $225,100 for Lead Software Engineer


New York, NY: $215,200 - $245,600 for Lead Software Engineer


Richmond, VA: $179,400 - $204,700 for Lead Software Engineer








Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at theCapital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

This role is expected to accept applications for a minimum of 5 business days.No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City's Fair Chance Act; Philadelphia's Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).


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