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Front-end Jobs nearDenver, CO

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Remote Jobs

We are UBIO and we automate the web.
We are looking for an optimistic and resilient engineer who has developed markedly complex services in Javascript or Typescript. You would have been involved with platforms and services that perform and scale well on the cloud and you also enjoy discussing complex engineering topics. We are a small Engineering team, relying on tools like GitHub and Slack to keep us communicating efficiently. We also rely on architectural principles and guidelines to ensure our colleagues can pick up our work in the future, if necessary.
Apply now and work remotely at UBIO



  • Full-stack Developer
  • Location: Remote (anywhere), ideal European/Middle Eastern timezones
  • Travel opportunities in emerging markets, real social impact, truly purposeful work


The ideal candidate is a young, self-driven problem solver with a desire to contribute to building user-friendly software in an exciting, fast-growing startup environment focused on real-world social problems that really matter:

  • conflict prevention / management
  • security sector reform
  • counter violent extremism / counter-terrorism
  • international development
  • social impact monitoring & evaluation
  • corporate social responsibility, and more.

We are looking for a builder! A self-driven, pragmatic, resourceful individual with empathy towards our clients' realities in fragile contexts and a desire to make a positive difference in the world. Is that you?


AKTEK helps our clients make sense of fragile environments so they can better understand and mitigate their operational risks and achieve greater impact. “Warning” and “Alert” countries on the Fragile States Index make up 38% of the world’s economy and 83% of the population (World Bank, Fragile States Index).

Public and private organizations working in challenging environments need easy-to-use, collaborative tools to keep track of their operating context, holistically and in real-time. With the proper tools, they can take better decisions, maximize positive impact and reduce risk, and unlock economic, social and human capital for a better world.

AKTEK is a London-based company that operates as a globally distributed team, serving clients in more than 20 countries around the world, helping (among other things):

  • Delegations of international organisations like the UN and others in North Africa to better understand the political economy of their operating environments via dynamic stakeholder mapping;
  • Coastguard forces in Somalia to combat piracy and land border armed forces in Lebanon to protect territory via bespoke information management and communication systems;
  • Governments and embassies in the Middle East to analyze public perceptions and fight extremism.
  • Fortune 500 companies and NGOs in Latin America navigate their changing operational contexts with big data fusion, both in enviornmental and socio-political terms.

Learn more about our impact on our website: https://www.aktek.io/impact
Apply now and work remotely at AKTEK


Opensource Meteor Developer Node.js MariaDB MongoDB

Medical Informatics Engineering meteor js javascript node js mongodb node js meteor js mongodb

Apply now and work remotely at Medical Informatics Engineering


Jobs farther away

Back-end Web Developer

We are looking for a strong back-end developer to lead the development of our educational platform that revolutionizes the way schools use technology. As a Senior Web Developer you’ll be responsible for building reusable frameworks, creating scalable district-level tools, refining our metrics and data-collection architecture, and constantly scaling our services to support growth. Join a dynamic team of developers to come up with new and stimulating ways to engage young learners to get creative with code!

Tynker is used by over 60,000,000 students in 90,000 schools to learn coding. Our learning platform delivers courses that teach block coding students in kindergarten to high school where they learn JavaScript and Python. Tynker’s mission is to provide every child with solid foundations in STEM, programming and critical thinking skills to prepare them to become better architects of their future world.

Primary Tasks

  • Write efficient back-end code that handles millions of users

  • Define data models to support the user experience across multiple platforms

  • Design elegant APIs to power our suite of apps

  • Iterate and improve experiences periodically based on feedback

  • Perform data engineering tasks to support our machine learning efforts


  • BS/MS degree in Computer Science

  • 5+ years of professional experience building and maintaining large scale web applications (100K+ users)

  • Full grasp of HTML, CSS, JavaScript, and AJAX-based JSON/XML web services

  • Must be comfortable with using PHP 7+, Mongo, and other back-end technologies

  • Must be able to quickly adapt and learn to work within an unfamiliar codebase

  • Must be familiar with various design and architectural patterns

  • Should have experience consuming and designing creating RESTful APIs

  • Should understand modern front-end architectures and be able to modify JavaScript code

  • Demonstrated ability to be self-driven and work with minimal supervision

  • Strong object oriented fundamentals preferred

  • Experience with LMS, Google Classroom, Clever Secure Sync or Learning Tools Interoperability (LTI), is a big plus

  • Familiarity with AWS EC2 is a plus

Resumes from recruiters will NOT be accepted.


Full Stack Software Engineer

We’re looking for a Full Stack developer who will take a key role on our team. Our Full Stack developer must have knowledge in all stages of software development.

You’ll be working alongside other software engineers and collaborating on the various layers of the infrastructure for our ML Platform that includes data ingestion pipelines, model integration into inference pipelines, labeling tools, and data and model management tooling.

Full Stack Developer Skills and Expertise

  • Design overall architecture of web application

  • Maintain quality and ensure responsiveness of applications

  • Collaborate with the rest of the engineering team to design and launch new features

  • Maintain code integrity and organization

  • Understand and implement of security and data protection

  • Proficient and highly experienced with back-end programming languages and frameworks

  • Javascript

  • React

  • Node.js

  • Python

  • Flask

  • Django

  • Databases

  • MongoDB

  • Neo4J

  • Cloud platforms

  • Google

  • Container frameworks

  • Docker

  • Kubernetes

Bonus Skillsets

  • Experience with ML frameworks

  • Tensorflow

  • Keras

  • TensorRT


Full Stack Developer

optimize.health engineers develop technology-enabled experiences that make it easier for people to manage their health.

The optimize.health platform utilizes modern technologies like distributed computing, large-scale system design, healthcare-grade security, artificial intelligence, natural language processing, modern UI design, mobile-first principles, etc. The list goes on and will continue to expand as we grow.

As a member of the optimize.health engineering team, you will manage an important part of a technology platform that impacts the lives of many people. We are looking for skilled, mission-driven engineers and designers who are excited about the idea of changing an important part of the healthcare industry for the better.

Skills and Experience

  • ** Education and Experience**

  • At least a Bachelor’s degree in Computer Science/Engineering, or other relevant discipline

  • In lieu of a formal “degreed” education, an equivalent combination of experience would meet this requirement

  • At least 3 years of experience building scalable web applications

  • Preference for a great demo or portfolio of past work

  • Must-Have Skills

  • 3 years professional software development experience

  • 2 years experience with and a solid grasp of Javascript

  • Bonus Points For

  • Sharing your GitHub account or other public code repository

  • Experience with MongoDB and/or ElasticSearch

  • Any experience with

  • AI frameworks (e.g. TensorFlow)

  • EMR integrations (e.g. EPIC, Cerner, etc)

About You

  • Fast Learner

  • We are looking for software engineers who thrive on learning new technologies, and are fearless when it comes to delving out of their comfort zones. You should be able to adapt quickly to meet the needs of our growing business environment. Our platform is built primarily on the MEAN stack, so you must have advanced knowledge in JavaScript stack and knowledge of, or hunger to learn MongoDB, Redis, and ElasticSearch.

  • You’ve been challenged in the past and proven that you’re capable of quite a lot.

  • Fearlessness

  • You think a working proof of concept is the best way to make a point. Go ahead and wow us, because you strive on proving that speed and quality have absolutely no conflicts!

  • Strong Technical Chops and Passion for Your Work.

  • Staying on top of the latest and architectural trends is your passion.

  • You enjoy writing code and would spend the amount of your time doing so even if you didn’t have to in order to make a living.

  • Startup Culture

  • We work hard and when celebration is due, we play hard…you understand this

  • You must be a team player while also being comfortable taking initiative and speaking up if you see a better way to solve a problem

  • You’re excited by the idea that nothing is holding you back at optimize.health. If you can execute on a better idea then you’ll be encouraged to do so

  • Working on a small (<20 person team) is appealing to you, as is the idea of growing that team to eventually become much larger

  • Generous stock options

  • Appreciates Good Design; Focused On Delighting The User

  • At optimize.health, we wear various hats, but one common quality we all possess is an eye for design…good design. You must understand requirements beyond the written word. Whatever you work on, you should bring an attention to detail with the end goal of producing customer delight

  • Up For A Challenge

  • You may work on APIs today, web front end tomorrow, but you are also open to getting your hands wet on Android or iOS development next week if that’s what’s required in order to deliver the best results to the user. You are OK taking on new challenges that can be solved by 0s or 1s

  • You’re excited about building an amazing product more than almost anything else


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.