Senior Node.js Developer (offline)

The Project is a security helper system for the office that recognizes strangers and notifies the security department. It will be based on rVision and guest systems to recognize people it already knows. Potential candidate will gain the valuable experience with both AI and IoT technologies.

Requirements:
Proven hands-on experience in JavaScript (es5, es6), TypeScript;
Knowledge of OOP;
Asynchronous programming in Node.js;
Event loop, libuv,
Architecture patterns (monolith, mvc, event-driven, microservices, clouds/aws);
Security (helmet, cors, scrf, https, secure cookie, inputs validation);
Logging/configuring, kibana, consul;
Caching;
Authorization (passport.js, roles);
Express.js / hapi.js / nest.js;
Processes / threads, child_process, cluster;
Databases(relational, mongodb, redis);
Code quality (eslint/tslint/sonarcube, editorconfig);
Testing (jest/mocha/jasmine/karma/supertest/sinon);
Automation (gulp/grunt/bash);
Rest + swagger
Network architecture (Proxying, load balancing, CDN);
Linux basics, Docker;
Continuing integration / Jenkins;
Git/github/bitbucket, code review.
Nice to have:
Knowledge of Jira, agile, scrum (basics);
Strong analytical skills and problem solving aptitude;
Attention to details.

English level:
Intermediate/Upper-Intermediate

Responsibilities:
Code, test and operate Node.js based services;
Migrate new development;
Effectively use tools and ingenuity to identify and fix bugs before they become a problem;
Take over maintenance and extend existing services;
Optimize use cases and error handling/test completeness.

We offer:
Official and timely pay;
Social perks;
Sick pay, vacations;
Flexible work schedule;
Friendly environment;
Medical insurance;
Opportunity for career growth.

About Olsys

OLSYS Ltd provides full-service solutions for mid-market and enterprise organizations.

With 15+ years of experience, 100+ projects and 50+ strong technical experts in the team, we continue to grow by expanding our development team in Europe, as well as expanding the base of new clients and projects.

As an enterprise software development company, we are building long term partnerships helping our clients accelerate their digital experiences with reasonable IT investments.
Our tailored approach, e-commerce focus, and flexible solutions allow us to design, develop, and deliver scalable, integrated commerce platforms that drive profits and boost the business.

Our industry focus:
— Banking and Finance (business continuity management, planning system, banking app development);
— Retail and E-Commerce (B2B Commerce, B2C Commerce, Digital/E-Commerce customer experience);
— Healthcare (website development for Healthcare organizations).

Our expertise includes:
— Commerce Solutions
— Development Services
— Creative Services
— Quality Assurance and Testing
— Maintenance and Support
— E-Commerce Consulting

Company website:
https://olsysltd.com/

DOU company page:
https://jobs.dou.ua/companies/olsys/