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Junior Node Js Developer Jobs in Boston, MA (NOW HIRING)

ICONSTAFF

Principal Software Engineer

Boston, MA · On-site +1

$145K - $175K/yr

Mentor junior engineers Success Metrics * Delivery of high-quality features * System reliability ... Proficiency in JavaScript (TypeScript), SQL, React, Next.js * Experience with AWS (ECS, Lambda ...

Blitzy

Senior Front End Engineer

Cambridge, MA · On-site

$150K - $185K/yr

You mentor junior frontend engineers, conducting code reviews and elevating the team's technical ... Deep expertise in React.js and its ecosystem including hooks, context, performance optimization ...

Markforged

Senior Software Engineer

Waltham, MA

$146K - $198K/yr

Plan for the growth of Markforged's infrastructure and mentor junior team members * UX/Design ... Three.js, Canvas, D3, WebGL and more) * Experience with CAD/CAM software and 3D modeling libraries ...

twenty80.io

Senior Full Stack Software Engineer

Boston, MA · On-site +1

$160K - $210K/yr

Mentor junior engineers and contribute to a strong engineering culture Tech Environment The engineering team works with a modern startup stack, including: * Frontend: React, TypeScript, Next.js

Blitzy

Senior Front End Engineer

Cambridge, MA · On-site

$135K - $185K/yr

... interfaces, mentor junior engineers, and establish best practices as the company scales ... in React.js and its ecosystem including hooks, context, performance optimization, and modern ...

HDR

Software Engineer

Boston, MA · On-site

... to junior developers. • Identify opportunities for technical and process improvements. • ... React/Next.js or other modern frameworks. • Experience with source control systems and issue ...

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Junior Node Js Developer information

See Boston, MA salary details

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$96.7K

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How much do junior node js developer jobs pay per year?

As of Jul 20, 2026, the average yearly pay for junior node js developer in Boston, MA is $96,658.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,800.00 and $94,500.00 per year, depending on experience, location, and employer.

What does a typical day look like for a Junior Node Js Developer?

A typical day for a Junior Node Js Developer involves writing and testing server-side code, fixing bugs, and collaborating with other developers to implement new features or improve existing ones. You’ll likely participate in daily standup meetings, review code through pull requests, and communicate with front-end developers or database administrators to ensure seamless integration of application components. Often, you’ll receive guidance and feedback from senior developers or team leads as you grow your skillset. This hands-on environment helps you gain practical experience while working on meaningful projects within a supportive team structure.

What is a Junior Node Js Developer job?

A Junior Node.js Developer is an entry-level software developer who specializes in building and maintaining server-side applications using Node.js. They typically work on backend logic, database interactions, and API integrations, often under the guidance of senior developers. Their responsibilities may include writing clean and efficient code, debugging applications, and collaborating with frontend developers to create seamless applications. This role is ideal for those with a basic understanding of JavaScript, Node.js frameworks like Express.js, and database management. Junior Node.js Developers often grow into more advanced backend roles with experience and skill development.

What are the key skills and qualifications needed to thrive in the Junior Node Js Developer position, and why are they important?

As a Junior Node Js Developer, you should possess a basic understanding of JavaScript, Node.js, and fundamental web development concepts, typically supported by a degree in computer science or relevant coursework. Familiarity with version control systems like Git, package managers such as npm, and RESTful API integration is highly beneficial. Strong problem-solving abilities, eagerness to learn, and effective teamwork skills will help you excel in this position. These skills are crucial for building reliable web applications, collaborating on projects, and adapting to rapidly evolving development environments.

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Junior Node Js Developer jobs near you

Senior/Staff Software Engineer [Full Stack]

Prudentia Sciences

Boston, MA • On-site

Full-time

Medical, Life

Posted 8 days ago

Job description

About Prudentia Sciences
Prudentia Sciences is an AI-powered technology platform transforming how biopharma, biotech, and life sciences investors approach portfolio management, due diligence, and value/risk simulation. Our platform accelerates investment in breakthrough therapies by:
  • Empowering biopharma to accelerate drug pipelines, maximize ROI, and achieve clinical and commercial success for greater patient impact
  • Enabling strategic positioning of asset value during portfolio planning and dealmaking
  • Equipping investors with data-driven insights to optimize capital allocation in drug asset transactions

Backed by GV (Google Ventures), Iaso Ventures, and Virtue, we're on a mission to unlock the full potential of pharmaceutical R&D by empowering decision-makers with real-time, data-driven insights.
The Opportunity
We're seeking an exceptional Senior/Staff Software Engineer to build and lead our core platform as we scale. This is a rare opportunity to join a high-impact technology company in a major growth stage, where you'll act as tech lead for our core platform, ensuring our pharma and biopharma customers achieve transformative outcomes with our platform. Our platform is quickly seeing exceptional demand in its sector, and backed by top tier life science investors who have an informed perspective on where AI can have a profound impact in the industry.
What You'll Do
  • End-to-End Platform Ownership: Design, build, and scale the web platform that enables deal teams to explore, upload, and analyze drug assets from discovery through due diligence and valuation.
  • Front-End Architecture & UX: Develop intuitive, data-rich interfaces using modern frameworks (React/Next.js preferred) that empower users to manage deal pipelines, upload documents, and interpret LLM-driven insights.
  • Workflow & Orchestration: Implement robust backend services and job orchestration layers (e.g., FastAPI, Node, or similar) that coordinate document ingestion, model execution, and results delivery across the platform.
  • Data Visualization & Insight Delivery: Create dynamic, interactive components that visualize scientific assessments, risk analyses and deal insights generated by ML pipelines.
  • API & Integration Engineering: Design and maintain clean, scalable APIs between the core LLM orchestration layer and the platform. Collaborate closely with ML engineers to expose model outputs as user-ready insights.
  • Reliability & Scalability: Deploy and monitor platform services on AWS (or equivalent). Ensure high availability, low latency, and secure handling of sensitive scientific and deal data.
  • Collaboration & Product Thinking: Work cross-functionally with ML engineers, product leads, and domain experts to translate scientific and business logic into actionable workflows that drive decision-making.
  • Continuous Improvement: Champion engineering best practices - automated testing, CI/CD, observability, and modular architecture - while staying current on advances in AI-driven platform development.

Who You Are
Core Qualifications:
  • Education: Bachelor's, Master's, or Ph.D. in Computer Science, Software Engineering, or a related technical field.
  • Full-Stack Engineering: Proven experience building modern web applications end-to-end - from intuitive, performant front-ends (React, Next.js, or similar) to robust, scalable back-ends (FastAPI, Node.js, or equivalent).
  • Product & Platform Development: Hands-on experience designing and implementing complex, data-driven applications that integrate with APIs, asynchronous job systems, or machine learning backends.
  • Frontend Architecture & UX: Strong command of component-based design, state management, and visualization frameworks (e.g., React Query, Redux, D3, Plotly) to deliver interactive, insight-driven user experiences.
  • Backend & API Engineering: Expertise in developing RESTful or GraphQL APIs, integrating authentication/authorization, and managing event-driven workflows and background jobs.
  • Database & Data Flow: Comfort working with both relational and NoSQL databases (e.g., Postgres, MongoDB, DynamoDB), and designing efficient data access layers for large, dynamic datasets.
  • Cloud Infrastructure & DevOps: Experience deploying full-stack applications in cloud environments (AWS, GCP, or Azure) using modern DevOps practices - including Docker, Kubernetes, Terraform, and CI/CD pipelines.
  • Security & Compliance Awareness: Familiarity with best practices for secure data handling, user authentication, and compliance (especially valuable in healthcare, life sciences, or enterprise environments).
  • Collaboration & Product Mindset: Strong communication and collaboration skills; ability to work closely with ML engineers, product managers, and scientific domain experts to deliver elegant, high-impact user workflows.
Soft Skills:
  • Strong problem-solving skills and an analytical mindset.
  • Passion for continuous learning, rapid prototyping, and iterating based on user needs.
  • Autonomous, self-starter attitude with a strong sense of ownership.
  • Excellent communication skills-able to explain technical ideas clearly to non-technical audiences.
  • Collaborative team player with a desire to build things that truly matter.
Bonus
  • Experience in healthcare, life sciences, or biopharma sectors is nice, but not required. More important is a willingness to dive into the field and a curiosity to learn about life sciences and the drug development process, and how deal making revolves around it.

What We Offer
  • Impact: Your work directly enables breakthrough therapies to reach patients faster
  • Ownership: Build and lead the platform as a foundational engineering leader
  • Growth: Shape our product experience during a critical scaling phase
  • Compensation: Competitive salary, performance bonus, and equity
  • Team: Collaborative, mission-driven colleagues passionate about transforming biopharma

Location
We are a remote-first company, but looking for team members to be located in the Northeast (Boston, New York, DC, etc.)

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