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Senior Front-End Engineer

At Instructure, we believe in the power of people to grow and succeed throughout their lives. Our goal is to amplify that power by creating intuitive products that simplify learning and personal development, facilitate meaningful relationships, and inspire people to go further in their educations and careers. We do this by giving smart, creative, passionate people opportunities to create awesome. And that's where you come in:

We are looking for a Senior/Lead Front-End Engineer with deep experience in front-end application logic and modern Javascript frameworks to help build data centric features into our Canvas platform. We look for engineers passionate about using data to gain insight, drive behavior and improve our products. Our software helps millions of users learn and grow. Come help accelerate the learning process by developing data centric features for K-12, higher education and corporate users.

Culturally our team will look and feel very much like a highly collaborative start-up. We value innovation, so much so that we have quarterly Hackweeks; a week each quarter to work on relevant pet projects and features. Most of our work is open source, even our primary product (Canvas). Check us out on Github: www.github.com/instructure.

Our Seattle office is located in the Pacific Building, 720 3rd Avenue, 15th Floor Seattle, WA 98104.

What we do:

  • The Instructure suite of SaaS applications produces terabytes of events and student information weekly. Your challenge will be to create the systems that organize this data and return insights to students, teachers and administrators. This team engineers the data and analytics platform for the entire Instructure application portfolio.

  • This is a growing team at Instructure with the opportunity to provide tangible positive impact to the business and end users. We are looking for creative, self-motivated, highly collaborative, extremely technical people who can drive a vision to reality.

  • We’re building innovative web applications. By leveraging single page application design, ES6, CSS3, and other cutting edge technologies, we hope to bring the richness of native desktop and mobile apps to the web.

  • We use the latest tools to support progressive browsers and companies: you can leave your IE6 hacks at home.

  • We are cloud native. For this job, that means bringing the fault-tolerant and high availability principles that power the cloud to the front-end to deliver lightning fast, ultra-reliable applications that delight our users.

What we look for:

  • Breadth of experience across languages and frameworks.

  • Deep knowledge of JavaScript, including the latest features in ES6.

  • Production experience with modern JS frameworks like React.

  • Demonstrated experience unit testing JavaScript applications to ensure application quality.

  • Capable communicators passionate about product development and user experience.

  • Autodidacts who love continual learning and exploration.

  • Engineering leaders who care about coding standards and writing lean, maintainable software.

  • 5+ plus years of professional software development experience.

  • BS or greater in Computer Science preferred.

Get in on all the awesome at Instructure.

  • Competitive salary, equity, and 401k

  • Employee stock purchase plan

  • 100% paid medical, dental, disability, and life insurance

  • HSA program, vision, voluntary life, and AD&D

  • Tuition reimbursement

  • Paid time off, 9 paid holidays, and flexible work schedules

  • Transportation allowance

  • Gym club reimbursements and rewards-based fitness tracking

  • Latest software and tools with top of the line equipment

  • Food, lots of food

We’ve always believed in hiring the most awesome people and treating them right. We know that the more diverse we are, the more diverse our ideas will be and when we openly welcome those ideas, our environment is better and our business is stronger.

At Instructure we participate in E-Verify and yes, in case you didn't catch it from the above, we are an Equal Opportunity Employer.


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Expert React / JavaScript Developer

Atlas is looking for an experienced, enthusiastic JavaScript expert, proficient in React and Redux, to build a greenfield user interface for our flagship financial advocate platform. The ideal candidate has a track record of success building intuitive interfaces and React applications. The candidate is self-motivated and ready to take ownership of the product.

REQUIRED: Must work on-site in San Francisco. Sorry, no visas.

For immediate consideration, email resume and GitHub/coding samples to bryan@atlas.health

Who are you?

You are excited about making a difference in healthcare and people’s lives. You are a JavaScript enthusiast and web developer with an entrepreneurial mindset who strives for solutions, and doesn’t make excuses. You have superior work ethic, work well in teams, and learn quickly. You are accepting of critical feedback and constantly iterate and improve. You have extensive experience building modern web applications and understand the trade-offs inherent in different design choices. You are comfortable working with a continuous integration pipeline, and communicating with backend engineers. You are comfortable with the command-line and have an efficient workflow to produce reliable software. You are conscious about your productivity and are only satisfied when you deliver a working product that is a joy to use.

Technical must haves for this role are:

  • 3+ years professional experience building JavaScript web applications

  • 2+ years professional experience building React/Redux applications

  • Familiar with newer ECMAScript syntax and best practices

  • Fluent in data structures and algorithms

  • Familiar with Jest or other popular testing framework

  • Familiar with HTTP protocol, session handling, authentication, and latency issues


  • Competent in at least one compiled language

  • GraphQL

  • SocketIO

  • Google Cloud Platform

  • CircleCI


Lead JavaScript React Developer

Big Ladder Software in Denver, CO 1027 mi javascript reactjs react-redux css3 rest

Perhaps in a past life you were a mechanical engineer or energy modeler that was drawn into the intriguing world of web programming and software development long ago. Maybe you have a degree in physics or mathematics but somewhere along the way you became more excited about creating the software tools rather than using them. Or possibly you’re just a really talented web developer that drives a Prius and loves to recycle. You are now an encyclopedia of programming knowledge and web wisdom accrued over the years. So what’s missing? Maybe you’ve been working at Internetz Inc. where you and a horde of other developers try to maximize the clicks while hanging on for that mercurial, next round of VC funding. Somewhere in the back of your mind, you wonder if it might be possible to put your skills to good use for a higher purpose… What if you could enjoy the challenge of interesting, creative work, while also having a meaningful impact on the planet? What if you could play a major role in a small, but growing, dynamic team of mechanical engineers, scientists, and programmers? Sound like you?


This job is a full-time position at our headquarters in downtown Denver. If hired, responsibilities would include:

  • Reenvisioning a legacy application into a stunning, modern JavaScript web application

  • Developing web-based user interfaces for energy modeling tools

  • Redesigning and updating company websites (bigladdersoftware.com, unmethours.com).

Minimum Qualifications

To be considered for the job, you should be able to demonstrate the following minimum qualifications:

  • Minimum three years professional experience as a front-end JavaScript developer

  • Experience leading the development of a significant web application project

  • Experience with systems integration using REST, SOAP, and other APIs

  • Strong understanding of the fundamentals of programming

  • Excellent skills and proven experience with JavaScript, HTML5, and CSS3

  • Ability to rapidly implement single-page applications from design specs

  • Experience using React and Redux libraries for complex applications

  • Experience integrating with databases and web services in the middle of the stack

  • Familiarity with full-stack web development and application deployment

  • Experience with version control systems (preferably Git)

  • Excellent communication and people skills.

Preferred Qualifications

The following qualifications are not required but will help your application stand out from the crowd:

  • Background in energy/building science, energy modeling, physics, or mathematics

  • Experience with UI/UX design

  • Experience with web application testing frameworks

  • Experience with data visualization and/or charting libraries (D3, etc.)

  • Experience with scripting languages (Ruby, Python, etc.)

  • Experience with open-source software development.


Senior Software Engineer (Javascript & Fullstack preferred!)


  • Matching and search algorithm: the core experience that helps schools discover teacher matches based on a multitude of attributes.

  • Data warehousing and analytics: optimize data collection, storage, and analytics to share data back to schools to improve their use of Selected and their own recruiting workflows

  • Technical leadership: estimating and architecting scalable, maintainable, and documenting systems, including greenfield projects.


  • 4+ years of professional experience

  • Expert knowledge of JavaScript (other scripting languages accepted, but our stack is all JS)

  • Experience with MongoDB, or similar NoSQL databases

  • Advanced knowledge of NodeJS

  • Strong system design and architecture skills

  • Bonus points for experience with React & Redux, CSS, and UX problem solving


  • Someone who thrives in an early-stage startup environment

  • Excited about solving complex challenges methodologically and with simplicity

  • Inclusive and value unique perspectives and backgrounds

  • An excellent communicator: direct, accurate, and succinct

  • Curious and have a growth mindset. You're not expected to know everything! We will learn together.

  • Anxious to make and have a direct impact.


Sr. Frontend Engineer - Midtown New York

Sr. Front-end Engineer

Midtown Manhattan, NY

Our purpose

Small business makes the world go ‘round – it is at the heart of the global economy. At Xero we want millions of small businesses to thrive with better tools, better information and meaningful connections. We aim to make running a small business more efficient and profitable, and more enjoyable too.

What you will do

You will work with your cross-functional team to deliver beautiful software that is valuable to our customers. You will offer your ideas and collaborate to provide technical designs you are proud of. We encourage you to show your passion for technology, help and inspire others in Xero and within the community we support.

As a senior, you will coach the less experienced developers in your team and offer them support and guidance. You will be confident leading technical discussions and be inclusive of other’s ideas. You are passionate about your craft and will be an active contributor to Xero’s global development community.

What we’re looking for

  • JavaScript (ES6, React, Redux, Webpack)

  • Performance optimization techniques

  • SASS, CSS and HTML and an understanding of CSS modules or CSS in JS

  • Familiar with continuous integration and automated deployment systems

  • Demonstrated technical leadership in a web application development team

  • An understanding of Agile methods and concepts

Bonus if you have experience with (or interest in learning about)

  • UX Design and user testing

  • Building and monitoring scalable platforms

  • Distributed systems

  • Working with newer technologies/concepts like Typescript, PWAs & infrastructure as code

Why Xero

This is an outstanding opportunity in a dynamic, fast paced, growth-orientated business. We’ve got huge global reach and appeal, and a strategy in place for continued success. If you meet the above criteria, then we’d like you to be a part of the next chapter of the Xero success story.

What we offer

The opportunity to be part of a growing global success story; a fun, fast-paced work environment and a relaxed, supportive team which encourages personal growth; competitive salary, shares in the company; generous 4-weeks of PTO, 5 wellness days, standard holidays and office closure between Christmas and New Year’s; flexible work arrangements and a great office environment located in the heart of Manhattan.

If you…

  • love doing #beautiful work and contributing to a beautiful experience for our customers

  • show your passion for the #human side of software development through cultivating a deep understanding of the needs and aspirations of small business owners

  • seek the #challenge of complex technical problems, crazy-smart collaborators and a fast-paced work environment

  • champion creative development by bringing a unique point of view while inspiring impeccable work from others

  • take ownership by driving meaningful change & delivering results with passion and purpose

…then we’d love to hear from you.

Interested candidates should apply online or submit their resume to michael.shinn@xero.com


Full Stack Engineer

At Noom, we use scientifically proven methods to help our users create healthier lifestyles, and manage important conditions like Type-II Diabetes, Obesity, and Hypertension. Our Engineering team is at the forefront of this challenge, solving complex technical and UX problems on our mobile apps that center around habits, behavior, and lifestyle.

We are looking for a full-stack engineer to join our Web team and help build the tools that hundreds of human coaches use every day to help our users change their lives for the better.

What You’ll Like About Us

  • We work on problems that affect the lives of real people. Our users depend on us to make positive changes to their health and their lives.

  • We base our work on scientifically-proven, peer-reviewed methodologies that are designed by medical professionals

  • A respectful, diverse, and dynamic environment in which Engineering is a first-class citizen, and where you’ll be able to work on a variety of interesting problems that affect the lives of real people.

  • A generous budget for personal development expenses like training courses, conferences, and books.

  • Three weeks’ paid vacation, and a flexible work policy that is remote- and family-friendly. We worry about results, not time spent in seats.

  • Delicious (and nutritious) daily lunches and snacks prepared by Sam, our NYC office on-site chef.

What We’re Looking For:

  • 3+ years of experience designing and managing complex web-based applications, with a focus on picking the right tool for the job. We use Django and React, with MySQL and PostgreSQL as the backing data store, but we’re always on the lookout for technologies that can make our job easier.

  • An appreciation for the importance to strike a balance between getting code out quickly and following best practices. We move fast, but we like to build good software and manage risk carefully.

  • Excellent communicator: you’re comfortable explaining technical problems in person and in writing.

  • Team player: you enjoy teaching new concepts to, and collaborating with, the team.

  • Strong sense of responsibility and ownership; you will have come from an environment in which people are responsible for their own code.


Front-end Developer

Paxful is a leading peer-to-peer powered bitcoin marketplace and a universal money translator. Our mission is social justice through financial freedom worldwide. By offering a platform with over 300 financial networks that empowers both merchants and buyers alike, we have created opportunities for millions across the globe who don’t have access to traditional banking services.

Paxful was founded in 2015 and has an established headquarters in New York, with offices in Estonia, Hong Kong, the Philippines and Johannesburg. Currently, we have over 200 dedicated employees globally and are growing rapidly. We have millions of users, a strong business model, and are completely bootstrapped. One of our pillars is giving back to the communities we help through initiatives such as #BuiltWithBitcoin. You’ll be joining an international team that seeks to make real, sustainable change in the world.

Paxful teams tend to have:

  • **An open mind: **We believe that change and new ideas are exciting, not threatening.

  • **A proactive attitude: **We’re willing and ready to roll up our sleeves and take responsibility.

  • Accountability: As colleagues, we take care of each other and our work.

  • **Self-direction: **We figure out solutions on our own and take charge of carrying them out.

  • **An adaptive mindset: **We shift our processes, perspectives, and working styles along with the environment.

  • Passion: We feel driven by being part of the mission.

Sound like a fit?

We are looking for a Front-end Developer who will write efficient, testable, and reusable code using React, Redux, and Typescript. Working with the Product team in the New York office, you'll be using your awesome software development skills to ensure the creation of new functionality and have an impact on the front-end architecture on one of the largest peer-to-peer bitcoin exchange services. Responsibilities include creation of new features using the most advanced technologies and a functional approach. Ultimately, you will help to change the global FinTech system for the better.

What you will do:

  • Write efficient, testable, and reusable code

  • Solve complex performance problems and architectural challenges

  • Work closely with our developers and product owners in an agile team

  • Help to troubleshoot, test, and maintain the product

  • Follow company coding standards

  • Perform code reviews and mentor your peers

  • Cover your code with tests

What you’ll bring to this role:

  • 3+ years of relevant software development experience

  • Strong TypeScript skills

  • Good knowledge of state management libraries

  • Experience with frameworks such as React

  • Experience with state management libraries such as Redux

  • Experience with Functional programming techniques

  • Experience with working in a team setting

  • Must be able to physically work in our New York Office (this is not a remote role)

Ideally, you’ll also have:

  • Bachelor’s degree in computer science or related field

  • Experience with statically typed programming languages

  • Experience with PHP

  • Ready to work in the fast-growing environment

  • Experience or interest in cryptocurrency, blockchain and/or financial technology


  • Healthcare insurance, including dental and vision

  • Catered lunch and dinner daily, with premium snacks

  • Gym membership of your choice and personal training sessions

  • Sports nutrition and supplements, massages and chiropractor sessions

  • Training and professional development resources

  • Paid company events and retreats

  • Generous paid time off

  • Paid maternity/paternity leave including a one-time bonus to support newborn

  • Commuter benefits

  • 401(k) with company matching

  • Accessible office in the West Village

  • Flexible hours


Senior Frontend Developer (Cryptocurrencies)


Chainalysis is one of the fastest growing companies in the cryptocurrency space. Our cryptocurrency investigation and compliance software is used by the world’s leading law enforcement agencies, regulators, and businesses as they combat fraud, human trafficking, money laundering, and other illicit activity involving cryptocurrencies. With offices in New York, Washington D.C., London, and Copenhagen, we are backed by Accel, Benchmark and other leading names in venture capital. Our mission is to build trust in blockchains.

We are looking for a mission aligned frontend engineer to help build the next generation of cryptocurrency analysis tools. You will be responsible for creating interfaces on top of data-intensive applications that are used by the top companies in the cryptocurrency industry. This position is located in New York.


  • Work with the design team to build data visualizations and dashboards that present a large amount of information in an intuitive way

  • Collaborate with backend engineers to guide the design of APIs

  • Contribute early in the product development process by giving feedback on wireframes and roadmap

  • Maintain code quality and codebase organization


  • Proficiency with React, JavaScript/ES6, HTML, CSS, client-side performance, cross-browser compatibility, and browser developer tools

  • Experience building responsive UIs in single-page applications that solve complex problems

  • Commitment to well-tested code and delivering a high-quality UX

  • Intellectually curious person who loves learning about new technologies and languages

  • Full time in New York office

Bonus points:

  • Interest in the cryptocurrency ecosystem

  • Background in computer science or engineering

  • Previous work experience at a startup

  • Passionate about UX and design

  • Contributions to a top open source project

You belong here.

At Chainalysis, we believe that diversity of experience and thought makes us stronger. We encourage applicants across any race, ethnicity, gender/gender expression, age, religion, ability and experience. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us. We can’t wait to meet you.

Perks & Benefits

We offer a comprehensive benefits package including competitive salaries, stock options, medical, dental and vision - which cover domestic partners as well - plus life and disability coverage, 20 vacation days, and a 401K plan. Chainalysists also get to participate in our annual Huddle, a week-long destination event that promotes team-building, professional development, and fun! In the office, you’ll have access to a Mac or PC of your choice and a fully stocked kitchen.


Senior Full Stack JavaScript Developer Who Loves Docker

Babbel is a global language learning company with over 600 employees, headquartered in Berlin. Babbel’s products are available worldwide across multiple platforms and support those who take joy in learning outside of work or school. Millions of users are benefiting from 9,000+ hours of language content created by Babbel’s team of in-house language experts. Their NYC office focuses on their main site, e-magazine/Blog, and overall US presence, https://www.babbel.com/en/magazine.

As their Senior Full-stack Software Engineer, you will be self-motivated, full of ideas as well as energy, and help shape the engineering of Babbel’s marketing efforts in the US.


  • Extensive JavaScript coding experience, preferably in a start-up/digital environment

  • Professional experience with React, Redux, Node.js and Docker

  • Self-starter with an entrepreneurial spirit who is used to working in small and agile teams, enjoys responsibility, and has the know-how to get stuff done

  • Solid understanding of website UX, compatibility, and accessibility, including cross-platform and web browser issues

  • Good knowledge of the marketing landscape including the tech side

  • Experience with major marketing tools and technologies such as tracking services, landing page optimization, and ESPs

  • Analytical mindset with a fluency in statistical measurement of marketing campaigns

  • Fluency in written and spoken English

  • Bonus: multilingual with a strong understanding of Spanish dialects in the USA


  • Building, maintaining, and improving server and CDN infrastructure on AWS via infrastructure-as-code (Terraform) and containers (Docker)

  • React (w/Redux) component creation and maintenance including hooks & new context

  • Can support Node.js instances powering isomorphic/universal rendering

  • Helping the team transition to a Docker-based local development and production stack

  • API creation, maintenance, and improvement on Node.js

  • Adding, maintaining, and improving automated testing including unit and end-to-end

  • Implementation (coding), deployment, and refinement of marketing executions

  • Collaborate with designers and marketers, bringing their designs to life on the web

  • Creation of A/B tests including landing pages, content, and email flows

  • Integration of third-party tools and services

They are also looking for a Mid Level Front End Engineer with 2 years of professional React and Redux.