.**ATTENTION: CVs will be received from applicants residing in Hermosillo, Sonora or willing to relocate.****Work modality: On site.****RESPONSIBILITIES**:- Architecture and implementation of user-facing parts of systems.- Collaborate with product owners, designers, other engineers, and customer success to build the best user experience.**ESSENTIAL SKILLS**:- Can-do attitude with a strong sense of ownership and responsibility.- Solid Computer Science and Software Engineering background.- Experience building highly scalable RESTful web services and APIs.- Experience with Node.Js & Express.Js.- Experience with HTML, CSS and JavaScript (ES5 and higher).- Experience with front-end frameworks such as Angular.Js (1-4), React, Vue.Js, etc.- Experience with preprocessor stylesheet languages such as Sass, & Less.- Opinionated, but willing to compromise and take direction.**ADDITIONAL SKILLS**:- HTML5, JavaScript and CSS3 expert.- Knowledge of other web libraries and frameworks such as Polymer, React, etc.- Understanding of front-end performance issues and optimization strategies (i.E. Caching, CDNs, concatenation and minification, sprites, SVGs, fonts, etc.).- Experience with message queueing technologies such as RabbitMQ, SQS, Kafka.- Experience with event driven service architectures.- Experience with other programming languages than JavaScript.- Experience with front-end build environments (Grunt, Gulp, etc.).- Experience with object oriented and functional programming paradigms.- Active interest in Bitcoin, Ethereum or other digital currencies & the blockchain.- Ownership of one or more digital currencies.- Familiarity with the workings of one or more cryptocurrencies.- Programmed smart contracts.- Deployed 1 or more Bitcoin, Ethereum or other crypto network nodes.**WHAT WE OFFER**:- Salary + competitive equity in a high growth-stage startup.- Mayor Medical Health Insurance.- 3 PTO (Personal Time Off) days since day 1.- 12 day vacation period since day 1.- Initial contract per project (6 months).- Opportunity for advancement & growth in a rapidly expanding team.- Mentorship, learning & education programs.**NECODEX**We are providers of technology services at an international level. We provide our clients, collaborators and communities with the resources to reach their maximum potential through the generation of first-rate technological development environments, building expert and innovative teams on the creation and/or improvement of digital products.Since its inception, Necodex has always opened its doors to diversity by fostering an inclusive workplace where all our employees can develop their potential. Necodex has a recruitment process where it considers all applicants for any vacancy, regardless of race, religion, sexual orientation, gender identity, age, disability status or nationality.**Salary**: $90,000.00 - $130,000.00 per monthAbility to commute/relocate:- 83000, Hermosillo, Son