8 days ago
AWS Docker ElasticSearch Flask JavaScript Kubernetes MongoDB PostgreSQL Python React.js Redis | REMOTE WANTED:

- Senior Software Engineer - Backend (Python)

- Senior Software Engineer - Frontend (JavaScript/React)


At Close we’re a 100% remote team of ~35 building the sales communication platform of the future. We’ve built a next-generation CRM that eliminates manual data entry and helps sales teams close more deals. We are hiring product-focused engineers to help us unify the world's sales calls and emails into one beautiful workflow.

Our backend tech stack currently includes Python/Flask, Elasticsearch, MongoDB, Postgres, and Redis running in Docker/Kubernetes on AWS. Our backend primarily serves a well-documented public API that our frontend JavaScript/React app consumes.

We <3 open source – using dozens of open source projects with contributions to many of them, and released some of our own:

Yoyo Wallet 8 days ago
AWS Android Caffe Celery CircleCI Django Docker DynamoDB Golang IOS PostgreSQL Puppet Python RabbitMQ

Yoyo Wallet | Senior Software Engineer | London | Full time

Would you like to join a fun and fast growing FinTech company where you can play an important part in shaping its future? How about an opportunity to design next-generation systems in a highly collaborative work environment, where space for professional development is taken very seriously? Did we hear a big YES? Excellent - keep reading!

Yoyo Wallet is proud to be a market leader in the payment, loyalty and customer engagement space. Our focus is on high street retail and catering sectors where we are live in over 70 UK Universities, 600 Corporate locations and 800 retailer locations including Caffe Nero and Planet Organic. Exciting days lie ahead for the Yoyo team as we scale, and we would love you to be part of our journey.

From day one, you’ll be rolling up your sleeves and working closely across teams to power the Yoyo Wallet. Our product comprises of iOS and Android apps that talk to a suite of APIs powered by the Yoyo platform. We use a service-oriented architecture to support real-time, high-volume transactions that consistently deliver sub-one-second response times at the point-of-sale.

You’ll be working with a backend stack to include, but is not limited to: Python, Django, Event messaging and RESTful APIs, Services Oriented Architecture, PostgreSQL, DynamoDB, RabbitMQ, Celery, Puppet, Fabric, Docker, CircleCI / Continuous Deployment via ChatOps, and is hosted on AWS.

For more information and to apply, please go to

Searchmetrics 8 days ago
GraphQL JavaScript Node.js React.js

Searchmetrics | Frontend Developer Mid/Senior | React/Node | Berlin, Germany | FULL-TIME |

Hey, come be one of my new colleagues at Searchmetrics! We are looking for a JavaScript developer (Mid level or Senior) who is proficient with React.

You could:

- work on a huge modern React+GraphQL codebase in a great diverse team

- build interactive visualizations and reusable components for large search data sets

- extend our GraphQL "BFF" (Backend For Frontend) written in Node.js

We work in cross-functional teams, do a lot of integration & E2E testing and deploy to production every day (except Fridays!). Within the frontend department we have autonomy to make our own decisions on tech stack and best-practices and every member has a voice in that process. Our office is located in a nice area in Berlin, is dog friendly (our VP Engineering brings a dog himself) and the company provides snacks, fruits and as much coffee/drinks as you want.

If thats sound like a place where you would want to work, please apply at


Dennis (Frontend Dev @ Searchmetrics)

Lightning Labs 8 days ago
AWS Blockchain C C++ Electron.js GitHub Golang Grafana Kubernetes Prometheus React Native React.js

Lightning Labs | Frontend Developer, Crypto Protocol Engineer, Dev Ops, Infrastructure | San Francisco | Onsite or Remote | Full-time

Lightning Labs is hiring! We’re looking to expand our team to build technology that scales Bitcoin and blockchains. Our current focus is the development and deployment of the Lightning Network, an open blockchain scalability protocol. We push the edge of innovation with regard to blockchain scalability, privacy-preserving smart contracts, and cryptocurrency UX. If you’re interested in one of the positions below, please send a brief description of your relevant experience and resume/github to Email is hidden. And if you know someone who might be a good fit, we'd very much appreciate any referrals.

{Crypto Protocol Engineer}:

Experienced systems software engineer versed in applied cryptography, peer-to-peer networks, distributed systems, open source software, and cryptocurrency protocols to design and implement core protocol and algorithmic components of the Lightning Network. Solid programming skills, experience with Go, C, or C++. Prior contributions to crypto protocols and open source software collaboration preferred.

{Frontend Application Developer}:

Frontend developer to build secure cross-platform second-layer blockchain applications. Our applications are built on React, React Native, MobX, and Electron, communicating with a Lightning daemon over a binary RPC protocol. Ideal applicants will have experience building and shipping React Native applications and maintaining open source projects.

{DevOps Engineer}:

We currently deploy a number of backend services that make Lightning easier to use built on technology such as: etcd, Kubernetes, Prometheus, Grafana, and Traefik. Your role would be to help us secure and scale these systems via intelligent automation and robust service architecture. Experience with AWS is a bonus, as well as experience with Bitcoin, particularly in the area of key management.

Remote Onsite Full-time
JBrowse project 8 days ago
JavaScript React.js TypeScript

JBrowse project | Software Engineer | Remote and Onsite | Berkeley, CA


BACKGROUND: The JBrowse open source project is hiring. Join a distributed team of remote-working software engineers building the next face of the genomics web. The JBrowse genome browser is an all-JavaScript genome browser built using modern tooling and technologies (e.g. React, TypeScript, web workers) and tackling deep problems in genomics visualization such as gene fusions, inter-genome alignments and synteny, and phylogenetic navigation of entire genomic clades.

RESPONSIBILITIES: Responsibilities of the job include planning and executing code, and liaising with other developers and users.

TECHNOLOGIES: JavaScript (React, mobx-state-tree, many many npm modules)

REQUIREMENTS: Must have a degree (or equivalent experience) in programming-related areas. Experience in biology/bioinformatics a big plus.

LOCALE: Remote working is OK, within the US.

COMPENSATION: Annual Salary Range: $103k - $156k

HOW TO APPLY: Search for job #27476 at

DEADLINE: August 31, 2019

Remote Onsite
EventGeek 8 days ago

EventGeek | Product Manager | Full-time | 100% Remote (US) |

EventGeek is the project management tool event marketing teams rely on to plan thousands of events and millions of dollars of budget.

We're hiring an opinionated product manager who will own the entire product lifecycle, from user research to delivery.

Responsibilities - Owning & managing the roadmap - Using user research and analytics to develop new features - Codifying ideas into requirements and specs - Iterating with designer on UX wireframes - Managing product development with a distributed team of developers - Defining success metrics Questions? Reach out to Email is hidden Role:

Remote Full-time
8 days ago
Machine learning Natural Language Processing

Penn Medicine - Predictive Healthcare team | Software Engineer, Data Scientist | Philadelphia, PA | ONSITE | Full-time

Help improve patient outcomes by predicting the future.

Penn Medicine (a.k.a University of Pennsylvania Health System) is the largest private employer in Philadelphia and home to the nation's first hospital. The predictive healthcare team focuses on using machine learning to help clinicians make more informed decisions.

We’re seeking both a Software Engineer ( and a Data Scientist ( to help us build operational predictive applications that utilize Electronic Medical Record (time series, imagery, text), social media, wearables, and IoT data.

As a Software Engineer you will:

* Collaborate with our Data Scientists and clinical partners to build predictive healthcare applications that can reliably scale to the needs of the organization.

* Create and deploy micro-services to our cloud-based and on-premise Hashicorp clusters.

* Build frameworks designed to speed up and facilitate algorithm development.

As a Data Scientist you will:

* Collaborate with our Software Engineers and clinical partners to apply machine learning and statistics to help improve the lives of people affected by serious illness.

* Work for the PAIR center on leading the Data Science aspects of projects that will improve patient outcomes

* Lead large data acquisition, data mining, NLP, and analysis projects.

You will report under Michael Draugelis @mdraugelis, Chief Data Scientist, and work directly with the rest of the Predictive Healthcare team.

If you have any questions I can be reached at Email is hidden

Onsite Full-time
Doist 8 days ago
Android IOS Java Swift

Doist | Senior Android Developer | Java | World | Full-time | Remote:

Doist | Senior iOS Developer | Swift | World | Full-time | Remote:

At Doist, our mission is to inspire the workplace of the future by creating simple yet powerful productivity tools that promote a calmer, more balanced, more fulfilling way to work and live.

We envision a future in which people can work without distractions from anywhere in the world on things that they are passionate about and then unplug at the end of the day with the reassuring peace-of-mind that their tasks and teamwork are accounted for.

These are all remote positions, so you'll be free to work from wherever you please and on a schedule that works best for you.

To learn more about who we are and how we work, please check out our Ambition & Balance blog:

For questions, feel free to reach out at Email is hidden.

Remote Full-time
9 days ago
CSS Drupal HTML JavaScript

Santa Cruz Bicycles and Cervelo | Jr-Mid Front End Developer Salt Lake City, UT | Full Time | Onsite

Santa Cruz and Cervelo Bicycles are looking for a front end developer to join our new shared web development team. You’ll work with a small team to create great online experiences as we enhance our rider facing and dealer facing web platforms.

Since we are a small team you’ll need to wear many hats. This candidate will need to have great design skills, and the development skills to translate design to production code, along with the pragmatism to prioritize getting things done vs pixel perfectness. We presently have Magento and Drupal in production but you’ll be part of the team responsible for selecting the technologies to move us into the future, so language experience is less important than a desire to learn.

Requirements: HTML, CSS, JS, and 1 year of professional development experience.

If you have a passion for bikes, design, and development, please send your resume and portfolio, or any questions to me! Email address can be found in profile

Onsite Full-time
9 days ago

Dazzle Rocks|Multiple roles|Helsinki, Finland|Full-time |ONSITE

We are a mobile games startup focused on building MMO games for the social generation, connecting the East and the West. Our first game, called 7 Legends, is based on an original IP and features unique story universe, quirky characters and many worlds.

Dazzle Rocks is founded by Ex-Rovio team Stella Wang and Joonas Jokela, and is built on a multinational, young and skilled team. We want to raise the bar of mobile entertainment when it comes to multiplayer technology, game design, social features and teamwork.

There are new openings in our team for an enthusiastic User Acquisition Manager, experienced Game Developer, Game Designer, Back End Engineer and Data Engineer roles. This is a great opportunity to work on something different in the mobile gaming industry! We are looking to work with the most ambitious, driven and creative people around. For more information check out our openings at

To join our growing team send us your CV, cover and other relevant information to Email is hidden

Onsite Full-time