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Contract Frontend Developer Jobs in Boston, MA (NOW HIRING)

Burlington, MA Duration : 6 Months contract Interview : Phone and Face to face in Burlington is ... Front-end development skills - JavaScript, jQuery, HTML, CSS SharePoint 2013/2016 experience ...

Contract - 6+ months Location: Boston or Quincy, MA - 4 days a week onsite Overview Seeking a ... Contribute across all layers of the application stack, including front-end, back-end, and data ...

Burlington, MA Duration : 6 Months contract Interview : Phone and Face to face in Burlington is ... • Front-end development skills - JavaScript, jQuery, HTML, CSS • SharePoint 2013/2016 ...

Experience in frontend development and user experience (UX) design required; experience with ... Duration: Long term * Contract to Hire: YES * Interview Details: 2 or 3 Total. One with the HM and ...

UI Developer

Boston, MA · On-site

$54.25 - $70.50/hr

Hi, Greetings from Conch Technologies Position: UI Developer (front-end) Location: Boston, MA, and Merrimack, NH Duration: 12+ Months Contract Required Technical Skills • Experience developing and ...

New

UI Developer

Boston, MA · On-site

$54.25 - $70.50/hr

Hi, Greetings from Conch Technologies Position: UI Developer (front-end) Location: Boston, MA, and Merrimack, NH Duration: 12+ Months Contract Required Technical Skills • Experience developing and ...

New

Sr. DevOps Engineer

Boston, MA · On-site

$183K - $227K/yr

Category-leading products include enterprise asset management, procurement and contract management ... Experience working across the stack (frontend + backend) and comfort shipping features end-to-end

Senior AI Engineer

Cambridge, MA

$114K - $156K/yr

Partner with frontend engineers throughout the software delivery lifecycle to define clean API contracts, streaming response patterns, error handling, and service-level behaviors that enable ...

New

... for -- frontend systems, terminal/SSH client patterns, backend service design, API contracts ... Background in developer tools, infrastructure tooling, or other technical-user-facing products

W2 Contract * Boston, MA Performance Strategic Advisors Technology (SAT) is seeking a Software ... Supporting and enhancing user experiences through Angular-based front-end development * Building ...

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Contract Frontend Developer information

See Boston, MA salary details

$46.2K

$120K

$168.9K

How much do contract frontend developer jobs pay per year?

As of Jul 16, 2026, the average yearly pay for contract frontend developer in Boston, MA is $119,952.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $131,500.00 per year, depending on experience, location, and employer.

What are Contract Frontend Developers?

Contract Frontend Developers are professionals hired on a temporary or project basis to build and maintain the user-facing parts of websites and web applications. They specialize in technologies like HTML, CSS, and JavaScript, and often work with frameworks such as React, Angular, or Vue.js. Unlike full-time employees, contract frontend developers typically work for a set duration or until the completion of specific tasks. Their flexible arrangement allows companies to scale development efforts according to project needs.

What are some common challenges Contract Frontend Developers face when joining new projects, and how can they adapt quickly?

Contract Frontend Developers often need to ramp up rapidly with unfamiliar codebases and team workflows. Adapting quickly involves proactive communication with team members, thorough review of project documentation, and leveraging onboarding resources provided. Familiarity with popular frameworks and version control systems helps, but flexibility and a willingness to ask clarifying questions are key. Building rapport with the team and participating in code reviews can also accelerate the adaptation process.

Are front-end developers still in demand?

Front-end developers are currently in high demand due to the ongoing growth of web and mobile applications. Skills in HTML, CSS, JavaScript, and frameworks like React or Angular are especially sought after, with many companies hiring contract and full-time developers to build user interfaces and improve user experience.

Will AI replace front-end dev?

AI tools can automate certain front-end development tasks such as code generation and testing, but they are unlikely to fully replace front-end developers. Front-end developers are needed to design user interfaces, implement complex interactions, and ensure accessibility and user experience, which require creativity and problem-solving skills that AI cannot fully replicate. Staying updated with frameworks like React or Vue and understanding UI/UX principles remain essential for front-end developers.

What is the difference between Contract Frontend Developer vs Contract Web Developer?

AspectContract Frontend DeveloperContract Web Developer
Required SkillsHTML, CSS, JavaScript, frameworks like React or AngularHTML, CSS, JavaScript, backend integration, server-side scripting
Work EnvironmentFront-end focused, UI/UX design, client-side developmentFull-stack or backend focus, server management, database interaction
Industry UsageWeb applications, mobile apps, SaaS platformsWebsites, web applications, e-commerce platforms

Contract Frontend Developers specialize in creating the visual and interactive parts of websites and applications, focusing on client-side technologies. Contract Web Developers may handle both front-end and back-end tasks, working on the entire web development stack. While both roles require similar credentials, the Contract Frontend Developer role is more focused on UI/UX and front-end frameworks, making it ideal for projects emphasizing user interface design and interactivity.

Can you work remotely as a front-end developer?

Yes, many front-end developer roles, including contract positions, are available for remote work. These jobs often require proficiency with collaboration tools like Git, Slack, and video conferencing, and may have specific time zone or communication requirements. Remote work flexibility depends on the employer and project needs.

How much do remote frontend developers make?

Remote frontend developers typically earn between $60,000 and $120,000 annually, depending on experience, location, and skill set. Senior developers with expertise in frameworks like React or Angular and strong portfolios tend to earn higher salaries, especially when working for established companies or on complex projects.

What are the key skills and qualifications needed to thrive as a Contract Frontend Developer, and why are they important?

To thrive as a Contract Frontend Developer, you need strong proficiency in HTML, CSS, JavaScript, and a solid understanding of modern frontend frameworks like React, Vue, or Angular, often supported by a relevant degree or bootcamp experience. Familiarity with version control systems (such as Git), build tools (Webpack, npm), and responsive design practices is typically required. Excellent problem-solving, communication, and time management skills help you adapt quickly and collaborate effectively with remote teams or multiple clients. These skills ensure timely, high-quality project delivery and seamless integration into diverse development environments.
What are the most commonly searched types of Frontend Developer jobs in Boston, MA? The most popular types of Frontend Developer jobs in Boston, MA are:
What cities near Boston, MA are hiring for Contract Frontend Developer jobs? Cities near Boston, MA with the most Contract Frontend Developer job openings:
Infographic showing various Contract Frontend Developer job openings in Boston, MA as of July 2026, with employment types broken down into 1% As Needed, 62% Full Time, 22% Part Time, 1% Temporary, and 14% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution, with an average salary of $119,952 per year, or $57.7 per hour.

Sr Principal/ Principal Software Engineer, AI Lab Execution System

Lila Sciences

Cambridge, MA • On-site

$137K - $189K/yr

Full-time

Medical, Dental, Vision, Life

Re-posted 22 days ago


Job description

Your Impact at LILA
We are seeking a Senior Principal or Principal Software Engineer, AI Lab Execution System to join our Scientific System of Record Team and help define and build the next-generation AI-driven scientific platform.
In this role, you will serve as a technical leader for systems that connect scientific intent, laboratory execution, data capture, and AI-driven analysis. You will shape the architecture of user interfaces, services, high-performance APIs, databases, and reliability-critical systems that integrate advanced AI frameworks with complex scientific analytics and laboratory workflows.
You'll work closely with ML researchers, platform engineers, data engineers, product teams, and scientists to turn complex scientific processes into scalable, elegant software systems. These systems will need to support diverse workloads across structured SQL databases, data lakehouses, workflow engines, and lab execution environments.
This is an opportunity to set technical direction for a cutting-edge AI platform with real scientific impact. If you are passionate about building high-leverage systems, mentoring strong engineers, and solving ambiguous problems at the intersection of AI, software, and science, we would love to hear from you.
About The Team
The Scientific System of Record Team (SSR) builds the memory layer for Lila's operations. It answers two questions:what did we plan to build? and what actually happened? These systems connect scientific intent to physical reality. Together with the data and automation teams, their systems ensure reproducibility and close the Design-Build-Test-Learn (DBTL) loop.
What You'll Be Building
  • Technical Strategy and Architecture: Define architectural direction for the AI Lab Execution System and related Scientific System of Record capabilities, balancing long-term platform evolution with near-term product delivery.
  • Lab Execution and Scientific Workflows: Design systems that model scientific intent, experiment planning, protocol execution, sample and asset state, operational events, and results capture across complex lab workflows.
  • User Interfaces and APIs: Lead the design of high-performance, secure, and well-documented UIs and APIs that support scientists, automation systems, ML workflows, and AI-driven applications.
  • Data and System Modeling: Establish durable domain models, schemas, and data contracts across SQL, NoSQL, vector databases, data lakehouses, and other scientific data systems.
  • Reliability, Performance, and Scale: Set technical standards for high availability, low latency, observability, fault tolerance, and operational excellence
  • Cloud and Infrastructure: Guide the use of AWS services, Kubernetes, and modern DevOps practices to build production-grade systems that scale across teams and workloads.
  • Cross-Functional Influence: Partner deeply with scientists, ML researchers, platform engineers, data engineers, automation teams, and product leaders to translate scientific and operational needs into coherent platform architecture.
  • Engineering Excellence: Mentor engineers, drive architecture reviews, raise the quality bar, and help establish patterns, tools, and practices that improve engineering velocity and system quality.

What You'll Need To Succeed
  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.
  • 8-15 years of engineering experience building and deploying large-scale systems in production. You must be strong in either front-end or backend.
  • Strong expertise in at least one of the following areas, with the ability to reason across all three: front-end engineering, backend engineering, or data modeling and system design.
  • TypeScript, React, and Python: Strong experience building modern applications with React and TypeScript; Python experience is strongly preferred.
  • Systems and Data Architecture: Deep experience designing scalable application architectures, APIs, domain models, schemas, indexes, data contracts, and distributed data systems.
  • Databases: Strong experience with SQL and at least one of NoSQL, vector databases, graph databases, search systems, or data lakehouse architectures.
  • API and Platform Design: Proven ability to design APIs, platform abstractions, and integration patterns that are reliable, maintainable, and easy for other teams to build on.
  • Scientific or Data-Intensive Domains: Experience working in life sciences, materials science, ML platforms, laboratory systems, automation platforms, or other research-heavy and data-intensive environments.
  • Operational Excellence: Experience designing production systems with strong observability, reliability, incident response, performance tuning, and long-term maintainability.
  • Technical Leadership: Ability to mentor senior engineers, align stakeholders, make clear technical trade-offs, and drive complex initiatives from ambiguity to production.
  • Communication and Collaboration: Strong listening skills and the ability to explain complex technical ideas to scientists, engineers, product leaders, and executives.
  • Hands-on experience using AI coding assistants or AI-augmented engineering workflows to improve productivity.

Bonus Points For
  • Orchestration Systems: Experience with orchestrators tools (Airflow, Prefect, Temporal, Dagster).
  • Familiarity with Python for Science: Familiarity with data science and ML libraries (pandas, numpy, scipy, jax, pytorch).
  • Experience designing systems that support auditability, traceability, reproducibility, data provenance, or regulated workflows.

Compensation
We offer competitive base compensation with bonus potential and generous early-stage equity. Your final offer will reflect your background, expertise, and expected impact.
U.S. Benefits. Full-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program.
International Benefits. Full-time employees outside the U.S. receive a comprehensive benefits program tailored to their region. USD salary ranges apply only to U.S.-based positions; international salaries are set to local market.
Expected Base Salary Range
$204,000-$348,000 USD
About LILA
Lila Sciences is building Scientific Superintelligence™ to solve humankind's greatest challenges. We believe science is the most inspiring frontier for AI. Rather than hard-coding expert knowledge into tools, LILA builds systems that can learn for themselves.
LILA combines advanced AI models with proprietary AI Science Factory™ instruments into an operating system for science that executes the entire scientific method autonomously, accelerating discovery at unprecedented speed, scale, and impact across medicine, materials, and energy. Learn more at www.lila.ai.
Guided by our core values of truth, trust, curiosity, grit, and velocity, we move with startup speed while tackling problems of historic importance. If this sounds like an environment you'd love to work in, even if you don't meet every qualification listed above, we encourage you to apply.
We're All In
Lila Sciences is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
Information you provide during your application process will be handled in accordance with our Candidate Privacy Policy.
A Note to Agencies
Lila Sciences does not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to Lila Sciences or its employees is strictly prohibited unless contacted directly by Lila Science's internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of Lila Sciences, and Lila Sciences will not owe any referral or other fees with respect thereto.