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Full Stack Developer Nextjs Jobs in Boston, MA (NOW HIRING)

krg technology inc

Full Stack Java Developer

Boston, MA · On-site

$57 - $73.50/hr

Full Stack Java Developer Location: Boston/Portsmouth, MA Job Type: Full time JOB RESPONSIBILITIES: * Should be able to write / design Cloud native code in Java, JavaScript based that meets the ...

Scadea

Full Stack Engineer

Boston, MA · On-site

Full Stack Engineer Location: Boston, MA - 5 days a week onsite is required Length: 6-10 months Top Skills Required: Top must haves: Java & AWS - with some exposure to React is fine Must be a team ...

Raytheon Technologies

Full Stack Developer

Cambridge, MA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Today, BBN's scientists and engineers are working to advance the state-of-the-art on topics ranging from machine language translation to quantum cryptography. BBN offers the opportunity to perform ...

krg technology inc

Full Stack Developer

Boston, MA

Expert programming skill in Spring Boot , Java Frameworks , Java EE architecture * Front-end web development experience with HTML5, JavaScript / JavaScript based frameworks, and CSS3 is desirable

RTX Corporate

Full Stack Developer

Cambridge, MA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Today, BBN's scientists and engineers are working to advance the state-of-the-art on topics ranging from machine language translation to quantum cryptography. BBN offers the opportunity to perform ...

THE KRAFT GROUP

Full Stack Developer

Foxboro, MA · On-site

$120K - $140K/yr

Experience with one or more programming languages such as C#, Java, or Visual Basic * Familiarity with version control tools (GitHub, Azure DevOps) * Experience with Power BI for reporting and ...

Chewy

Senior Full Stack Engineer, Sponsored Ads

Boston, MA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As an experienced Software Engineer with a background in frontend and full-stack development. You ... NextJS and React * Proven experience building scalable, highly available systems. * Experience ...

Chewy

Senior Full Stack Engineer, Sponsored Ads

Boston, MA · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As an experienced Software Engineer with a background in frontend and full-stack development. You ... NextJS and React * Proven experience building scalable, highly available systems. * Experience ...

Infosys Limited Digital

Java Full stack Developer

Boston, MA · On-site

$78K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Full stack Technical Skills 2 Technology|Java|Springboot Technical Skills 3 Technology|Reactive Programming|react JS Technical Skills 4 Technology|Oracle|PL/SQL Overview The Infosys Financial ...

Jobsbridge

Full Stack Developer (UI/UX)

Waltham, MA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Role And Responsibilities Work as a member of a software development team as ...

Jobsbridge

Java Full Stack

Waltham, MA

$56.75 - $73/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Responsibilities Work as a member of a software development team as a full ...

Demoulas Super Markets, Inc.

Be Seen First

Senior Full Stack Web Developer

Andover, MA · On-site

$120K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position Summary We are seeking a talented and motivated senior level Full-Stack Web Developer to join our dynamic development team. The ideal candidate is a fast learner, team-oriented, and ...

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All JobsFull Stack Developer Nextjs JobsFull Stack Developer Nextjs Jobs in Boston, MA

Full Stack Developer Nextjs information

See Boston, MA salary details

$26

$64

$93

How much do full stack developer nextjs jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for full stack developer nextjs in Boston, MA is $64.38, according to ZipRecruiter salary data. Most workers in this role earn between $53.56 and $74.18 per hour, depending on experience, location, and employer.

What is a full stack developer with expertise in Next.js?

A Full Stack Developer with expertise in Next.js is a software professional skilled in both front-end and back-end web development, with a focus on building applications using the Next.js framework. Next.js is a popular React framework that enables server-side rendering, static site generation, and easy routing for web applications. These developers are capable of designing user interfaces, developing APIs, managing databases, and deploying scalable web solutions. Their knowledge allows them to handle the entire development process, from creating the client-facing components to managing the server infrastructure.

What are the key skills and qualifications needed to thrive as a full stack developer specializing in Next.js?

To thrive as a Full Stack Developer specializing in Next.js, you need strong proficiency in JavaScript/TypeScript, React, Node.js, and an understanding of both front-end and back-end web development, often supported by a degree in computer science or related experience. Experience with tools such as Next.js, version control systems like Git, RESTful APIs, and familiarity with databases (SQL/NoSQL) is typically required. Excellent problem-solving skills, adaptability, and effective communication set outstanding developers apart when collaborating with teams and stakeholders. These skills and qualities are crucial for building robust, scalable, and maintainable web applications that meet user and business needs.

What are some typical challenges full stack developers face when working with Next.js in a collaborative team environment?

Full Stack Developers using Next.js often encounter challenges related to maintaining consistency between server-side and client-side code, especially in larger teams. Effective communication is crucial to coordinate tasks like API integration, handling shared state, and managing deployment pipelines. Collaborating closely with UI/UX designers and backend engineers ensures that features are delivered efficiently and meet performance standards. Embracing best practices, such as code reviews and modular design, helps teams overcome these common hurdles while working with Next.js.

What is the difference between Full Stack Developer Nextjs vs Front End Developer?

AspectFull Stack Developer NextjsFront End Developer
Required skillsJavaScript, React, Next.js, Node.js, databasesHTML, CSS, JavaScript, frameworks like React or Angular
Work environmentDevelops both client and server-side applications, often in full project teamsFocuses on user interface and client-side features
Industry usageWeb development, startups, tech companiesWeb design agencies, front-end teams in various industries

Full Stack Developer Nextjs has a broader scope, covering both front-end and back-end development, often requiring knowledge of databases and server-side logic. Front End Developer specializes in creating engaging user interfaces and client-side functionality. While both roles use JavaScript and related frameworks, Full Stack Developers are equipped to handle entire applications, whereas Front End Developers focus on the visual and interactive aspects of websites.

What are popular job titles related to Full Stack Developer Nextjs jobs in Boston, MA?

For Full Stack Developer Nextjs jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Full Stack Developer Nextjs jobs in Boston, MA look for?

The top searched job categories for Full Stack Developer Nextjs jobs in Boston, MA are:

Full Stack Developer Nextjs jobs near you
Infographic showing various Full Stack Developer Nextjs job openings in Boston, MA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $133,912 per year, or $64.4 per hour.

Full Stack Agentic Developer

CRA International

Boston, MA • On-site

Other

Posted 2 days ago

New

Job description

About Charles River Associates
Charles River Associates is a leading global consulting firm that provides economic, financial, and business management expertise to major law firms, corporations and governments around the world. CRA advises clients on economic and financial matters pertaining to litigation and regulatory proceedings, and guides corporations through critical business strategy and performance-related issues. Since 1965, clients have engaged CRA for its combination of industry experience and rigorous, fact-based analysis that provide clients with clear, implementable solutions to complex business concerns.
Position Overview
Charles River Associates is seeking a Full Stack Agentic Developer to help build and evolve a web-based AI platform that enables experts to translate domain expertise into scalable, validated AI-driven workflows. This is a senior full stack engineering role for someone who began with strong product and platform skills and has advanced into LLM-powered agentic systems.
The product combines a React/Vite web client, a Node.js/TypeScript backend proxy, Azure-hosted services, and isolated remote execution environments where AI agents run tools against sandboxed project workspaces. This role bridges the application layer and the agent layer: user experience, APIs, session and file workflows, real-time streaming, custom agent runtime behavior, proprietary tools, model-provider integrations, prompt and context systems, reliability, and observability.
The ideal candidate is not a narrow frontend engineer, not a pure backend engineer, and not a prompt-only AI specialist. CRA needs a hands-on full stack developer who can design excellent product experiences, write production-grade TypeScript and React, extend Node.js/Express APIs, and also understand how agentic systems plan, use tools, recover from errors, stream activity, and produce work that users can inspect and trust.
Core Mission
The Full Stack Agentic Developer will own the path from user intent to agent action to reviewed output. This person will build the product workflows and underlying agentic capabilities that let consultants and domain experts create sessions, upload and organize materials, launch AI-assisted work, monitor agent activity in real time, review files and intermediate outputs, and rely on the platform for high-quality analytical work in confidential, high-stakes environments.
Key Responsibilities
Full Stack Product Development
  • Build and evolve the React web application across core product surfaces: authentication, session setup, workspace navigation, file review, streaming agent activity, results review, and user-facing administration.
  • Create reusable component patterns for complex, stateful workflows while keeping the application maintainable, accessible, and easy for the team to extend.
  • Build and maintain Express/TypeScript API endpoints that support the web application, including session orchestration, file management, workspace operations, usage tracking, and new product capabilities.
  • Integrate frontend workflows with backend services for authentication, LLM routing, usage tracking, agent orchestration, cloud storage, and PostgreSQL-backed application data.
  • Translate complex backend and agent states into intuitive interface patterns, including empty states, progress states, error states, review states, and resumable workflows.
Real-Time Agent Experience
  • Implement and improve the real-time streaming interface between the backend, agent runtime, and UI, primarily through server-sent events and related event-driven patterns.
  • Render incremental agent output such as token-by-token text, tool execution cards, plans, task lists, progress indicators, cost and usage indicators, file changes, warnings, and final workflow states.
  • Manage stream connection lifecycle, retries, cancellation, cooperative stop, stop/resume behavior, error recovery, and clear feedback when long-running agent workflows are in progress.
  • Help define event contracts so the UI can present agent behavior clearly without exposing unnecessary implementation complexity to end users.
  • Design UX and API patterns that help users understand what the agent is doing, what files it has changed, what outputs are ready for review, and what still requires human judgment.
Agentic Runtime and Tooling
  • Own and improve parts of the custom multi-turn agent loop where the agent sends messages to model providers, parses streaming responses, executes tools, observes results, and iterates within an isolated cloud container.
  • Develop proprietary tools that expand agent capabilities across file operations, analysis, transformation, visualization, document creation, data processing, validation, and workflow automation.
  • Extend the containerized execution environment to support new languages, libraries, utilities, file types, analytical methods, and integrations needed by expert users.
  • Design clear tool schemas, permission boundaries, workspace access patterns, input validation, and error messages that help agents use tools effectively and safely.
  • Create reusable patterns for adding new tools so agent capabilities can expand without making the runtime brittle, opaque, or hard to debug.
LLM Provider, Prompt, and Context Systems
  • Support multi-model integration across OpenAI, Anthropic, and other frontier or local models, including provider-specific message formats, tool-calling formats, streaming behavior, structured outputs, and error patterns.
  • Build and maintain translation layers that normalize provider differences while preserving access to the strongest capabilities of each model.
  • Design and maintain prompt and context systems that shape agent behavior, including analytical identity, methodology compliance, interaction modes, tool usage policies, quality standards, and escalation patterns.
  • Implement token estimation, usage tracking, context compression, conversation summarization, prompt caching, and model-selection patterns for long-running analytical sessions.
  • Evaluate how agent behavior changes across providers, model families, prompts, tools, and workflows, then adapt the product and runtime to improve quality, cost, speed, reliability, privacy, and user trust.
Session, File, and Workspace Lifecycle
  • Own the user-facing lifecycle of an AI work session, including creation, configuration, file upload, streaming execution, interruption, resumption, result review, workspace cleanup, and teardown.
  • Implement browser-to-cloud file flows including multi-file upload, progress tracking, validation, workspace browsing, previewing, downloading, and handling of large or mixed file types.
  • Support interfaces and APIs that help users understand the state of remote workspaces, generated outputs, intermediate artifacts, source files, and final deliverables.
  • Improve the connection between workspace state and agent state so users can review work product clearly and engineers can debug session behavior reliably.
Reliability, Security, and Observability
  • Implement reliability patterns such as retry logic, rate-limit handling, tool error recovery, cooperative stop, graceful cancellation, resumability, and failure reporting.
  • Build with enterprise readiness in mind, including secure browser authentication flows, JWT lifecycle, role-based access, CORS, CSRF considerations, auditability, privacy-sensitive UI patterns, and careful handling of confidential work product.
  • Add structured logging, tracing, transcript capture, metrics, tests, and debugging tools so agent behavior can be understood at both the engineering and product level.
  • Partner with product, domain experts, backend, infrastructure, and security stakeholders to ensure end-to-end features are reliable across the browser, API layer, cloud services, and agent execution environment.
  • Contribute to delivery discipline by writing clear technical notes, estimating work thoughtfully, supporting sprint planning, and continuously improving development practices.

Desired Qualifications
  • Bachelor's degree in Software Engineering, Engineering, or other relevant discipline with programming/technology experience, advanced degree desirable;
  • 6+ years of professional software engineering experience, with strong hands-on ownership across frontend, backend, and production product systems;
  • Strong TypeScript skills across the stack, including modern React development and Node.js/Express API development;
  • Experience building component-driven React applications with complex state, multiple interconnected views, real-time updates, and user-facing workflows that require careful error handling;
  • Experience building or consuming real-time interfaces using server-sent events, WebSockets, streaming APIs, or similar event-driven patterns;
  • Experience building LLM-powered agentic systems that use tools, execute multi-turn workflows, manage state, and recover from errors; not just experience building static chatbots;
  • Experience with LLM tool calling or function calling, including tool schema design, streaming tool input/output, multi-turn execution, and provider-specific implementation details;
  • Strong prompt engineering ability for structured, multi-step workflows, including prompts that encode policies, methodology, roles, and tool usage expectations;
  • Comfort working in Python for agent tools, data processing, automation, evaluation, and integration with analytical libraries;
  • Good understanding of browser authentication flows, JWT lifecycle, token refresh, CORS, secure cookies, role-based access, and frontend/backend security boundaries;
  • Familiarity with PostgreSQL and API-driven application design, including practical awareness of schema design, queries, migrations, and data access patterns;
  • Experience with Docker or Linux-based execution environments and practical understanding of isolation, filesystem access, dependency management, and runtime troubleshooting;
  • Strong product judgment, debugging instincts, documentation discipline, and ability to reason about AI behavior, software behavior, and user impact at the same time.

Strongly Preferred Experience
  • Experience designing custom agent frameworks, agent runtimes, orchestration loops, tool-extension systems, or evaluation harnesses rather than relying entirely on off-the-shelf frameworks.
  • Experience with OpenAI, Anthropic, and other model provider APIs, including streaming, tool use, structured outputs, usage tracking, rate limits, and provider-specific failures.
  • Experience with file-heavy web applications, including upload progress, large file handling, previewing, workspace navigation, generated-output review, and download flows.
  • Experience rendering markdown, structured outputs, tool activity, logs, transcripts, plans, or other rich incremental content in React.
  • Experience with sandboxed or ephemeral compute patterns, dynamically provisioned containers, secure credential injection, and session-scoped runtime lifecycles.
  • Experience with Azure services such as Static Web Apps, Container Apps, Container Instances, Blob Storage, Azure Database for PostgreSQL, Application Insights, or related cloud services.
  • Experience with Docker, GitHub Actions, CI/CD practices, structured logging, cloud observability, and collaboration in a distributed engineering environment.
  • Experience with headless browser automation, document generation, data analysis, visualization, file conversion, R, LaTeX, or workflow automation tools.
  • Experience working in consulting, professional services, legal, economic, healthcare, life sciences, energy, financial services, or other confidential/high-stakes environments.
  • Familiarity with responsible AI practices, model evaluation, transcript review, quality controls, AI governance, and enterprise AI adoption.

Core Environment
  • Frontend: TypeScript, React, Vite, Tailwind CSS
  • Backend: Node.js, Express, TypeScript
  • Agent runtime: Custom multi-turn agent loop, proprietary tools, model-provider adapters, and streaming event protocol
  • Languages: TypeScript, Node.js, Python; with R, LaTeX, and shell utilities available in execution environments
  • Model providers: OpenAI, Anthropic, and other frontier or local models as needed
  • Data: PostgreSQL and API-driven application state
  • Streaming: Server-sent events and event-driven UI updates
  • Runtime: Containerized Ubuntu-based agent environments with sandboxed project workspaces
  • Cloud: Microsoft Azure-hosted web, backend, storage, database, container, and observability infrastructure
  • Product context: Expert-driven AI workflows where transparency, reliability, confidentiality, and quality control are critical

Career Growth and Benefits
  • CRA's robust skills development programs, including a commitment to offering 100 hours of training annually through formal and informal programs, encourage you to thrive as an individual and team member. Training encompasses technical training, presentation skills, internal seminars, and career mentoring and performance coaching from an assigned senior colleague. Additional leadership and collaboration opportunities exist through internal firm development activities.
  • We offer a comprehensive total rewards program including a superior benefits package, wellness programming to support physical, mental, emotional and financial well-being, and in-house immigration support for foreign nationals and international business travelers.

Work Location Flexibility
CRA creates a work environment that enables our colleagues to benefit from being together in the office to best deliver on our promise of career growth, mentorship and inclusivity. At the same time, we recognize that individuals realize a range of benefits when working from home periodically. We currently expect that individuals spend at least 3 to 4 days a week working in the office (which may include traveling to another CRA office or to client meetings), with

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