Coretech

PASSION FOR INNOVATION

About

ABOUT CORETECH

Cutting-edge technology is only the beginning at CORETECH. Defined by our flexibility and fast integrations, our scalable, end-to-end solution is perfectly tailored to meet the needs of our clients.

With special attention to Big Data and personalization, our solution is based on .NET framework, C#, JavaScript, and our UI is built on a unique widget mechanism. We hire only the best in the industry, and if we recognize the talent and ambition, we provide a greenhouse for growth and success.

About
About

ABOUT CORETECH

Cutting-edge technology is only the beginning at CORETECH. Defined by our flexibility and fast integrations, our scalable, end-to-end solution is perfectly tailored to meet the needs of our clients.

With special attention to Big Data and personalization, our solution is based on .NET framework, C#, JavaScript, and our UI is built on a unique widget mechanism. We hire only the best in the industry, and if we recognize the talent and ambition, we provide a greenhouse for growth and success.

About
Team

ALL-STAR TEAM

At CORETECH, we understand the importance of our manpower. Without our brilliant team, we would not be where we are today. Get to know our leading managers and the tech experts who make it happen!

Amir

Amir Vaknin

CEO
Boris-L

Boris L.

Head of B2B Support
Yasen-U

Yasen U.

Head of Delivery
Yael

Yael A.

HR Manager

Borislav-M

Borislav M.

Technical Lead
Stoyan-G

Stoyan G.

R&D Manager
ga

Georgi A.

Marketing Manager
Igor

Igor V.

CTO
Team
stand

WHAT WE STAND FOR

Learn more about the culture that we nurture at CORETECH and the environment that enables us to deliver excellence to our clients.

AGILITY

The nature of the industry that CORETECH caters to requires us to move fast. That’s why we foster a culture of adaptability and speed, with no compromises on quality.

INNOVATION

We have to be the trend-setters, every Coretech employee needs to think of tomorrow, and the next big thing, and what role they have in making it happen.

LOYALTY

We nurture a culture of trust and loyalty, and it is relevant on every level. Employees need to trust each other in order to work harmoniously. The corporation needs to trust the employees, and vice versa. Loyalty is gained when there is trust on all sides.

CREATIVITY

Creativity is in everything, even in software development. It’s related to how we approach solving problems, how we approach user experience, and most of all in thinking of new innovations. With the right environment, creativity flows, and we do our utmost to provide that space.

EXCELLENCE

The product needs to be seamless, it needs to be flawless. The client experience has to be satisfying, it has to be recommendable.

DEDICATION

We put our hearts into what we do. We don’t give up until we succeed, it’s not done until delivered.

stand
stand

WHAT WE STAND FOR

Learn more about the culture that we nurture at CORETECH and the environment that enables us to deliver excellence to our clients.

AGILITY

The nature of the industry that CORETECH caters to requires us to move fast. That’s why we foster a culture of adaptability and speed, with no compromises on quality.

LOYALTY

We nurture a culture of trust and loyalty, and it is relevant on every level. Employees need to trust each other in order to work harmoniously. The corporation needs to trust the employees, and vice versa. Loyalty is gained when there is trust on all sides.

EXCELLENCE

The product needs to be seamless, it needs to be flawless. The client experience has to be satisfying, it has to be recommendable.

INNOVATION

We have to be the trend-setters, every Coretech employee needs to think of tomorrow, and the next big thing, and what role they have in making it happen.

CREATIVITY

Creativity is in everything, even in software development. It’s related to how we approach solving problems, how we approach user experience, and most of all in thinking of new innovations. With the right environment, creativity flows, and we do our utmost to provide that space.

DEDICATION

We put our hearts into what we do. We don’t give up until we succeed, it’s not done until delivered.

stand
News

OUR OPEN POSITIONS

View our challenging job offerings

Senior DevOps Engineer - IT

Description

What will be your part in this awesome story?

  • Ensure the company Kubernetes infrastructure is highly available, scalable and secure by supporting and improving it in coherence with the IT and R&D requirements
  • Facilitate the delivery and operation of software created by our teams from development to distribution by building software releases and automating deployment and integration of new features, upgrades and bug fixes
  • Take an active role in root cause analysis and troubleshooting of misbehaving applications by analyzing run-time functional and performance metrics and providing post-mortem descriptions and further mitigation actions
  • Enable the uninterrupted operation of the business software systems and services by building solutions to problems that degrade their availability, performance, integrity and security
  • Participate in the analysis of the product requirements by meeting and discussing them with developers, product owners and other stakeholders
  • Be part of the planning of the delivery pipeline by estimating time required for delivery, analyzing dependencies between different software elements and improving visibility for other team members and teams
  • Ensure high operational standards by developing and maintaining in-depth knowledge and understanding of how the business software systems function and by keeping up-to-date product operation documentation and knowledge base

Requirements

What do you need in order to be part of CoreTech’s story:

  • 3+ years of experience as a SaaS Ops/Tech Ops/Infrastructure Ops/Dev Ops
  • 3+ years of experience with Docker and Kubernetes
  • 3+ years of experience with Jenkins or Rundeck, CI/CD, and infrastructure as code
  • 3+ years of experience with declarative configuration management / provisioning tools (Puppet, Chef, Ansible)
  • Experience with monitoring tools such as  Prometheus, Grafana, Sysdig, Nagios.
  • Experience with Jenkins, Jira, Confluence, Git / Bitbucket
  • Understanding of web development paradigms (RESTful APIs, pub/sub, security)
  • Experience with micro-services and supporting performant & scalable applications
  • A results-oriented, roll-up-the-sleeves-and-get-it-done attitude
  • Very good written and spoken English

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Senior Linux System Administrator – IT

Description

What will be your part in this awesome story?

  • Deployment and management of company’s Linux Production and Staging infrastructure
  • Deployment and management of company’s Cloud Environment
  • Datacenter deployment, maintenance and configurations
  • Troubleshooting, diagnosing and fixing Software or infrastructure environment issues
  • Performing software maintenance, security updates, upgrades and configuration
  • Responsibility (hands-on) for the 24/7 operations, expansion and maintenance of the production environment

Requirements

What do you need in order to be part of CoreTech’s story:

  • 5+ years of experience in supporting large Linux based deployments
  • Experience in virtualization, automation and cloud computing
  • Experience in scripting languages – Python, Perl, Bash (at least one is a big plus)
  • Experience in working with production environment
  • Experience managing K8s/docker environments
  • Networking experience
  • Experience with monitoring tools
  • Workable knowledge of Configuration Management and Deployment Products
  • Excellent English – verbal and written

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Head of IT

Description

What will be your part in this awesome story?

  • Manage and inspire five teams of IT professionals (Production Team, Corporate IT Team, DB Team, Security Team, SRE Team)
  • Take ownership of all IT related matters
  • Developing and implementing work procedures to improve day to day operation of the teams
  • Research the latest technologies and best practices, recommend technology solutions that meet business requirements
  • Administer network and data security, including directory, group policy, firewalls, antivirus, email security, etc.
  • Communicate with all IT related 3rd party service providers like Data Centers, CDN, DNS and others
  • Responsible for creating improvement plans of the IT processes on a global level
  • Responsibility and oversight of the 24/7 operations, expansion and maintenance of the production environment

Requirements

What do you need in order to be part of CoreTech’s story:

  • 8+ years of hands-on IT and managerial experience
  • Strong troubleshooting capabilities
  • Ability to coordinate multiple activities and work in a high pace environment
  • Experience with online web technologies and network protocols:
  • HTTP/2
    – CDN
    – DNS
    – Proxy
    – SSL, etc.
  • Experience with cloud and hybrid environments
  • Experience in both Linux and Windows administration
  • Must be able to inspire and lead diverse teams
  • Fluent written and verbal English communication skills

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Senior Automation QA Engineer - R&D

Description

Duties and activities:

  • Test and verify complex web applications and middleware systems by following best practices, using manual and automated tests and creating and maintaining test plans, test cases, test notes and appropriate documentation
  • Participate in the analysis of the product requirements and evaluate information required for testing by meeting and discussing requirements with developers, product owners and other stakeholders and collecting relevant information from other sources
  • Participate in the planning of the delivery pipeline by estimating time required for testing, analyzing dependencies between different product elements and improving visibility for other team members and teams
  • Take an active role in root cause analysis and troubleshooting of misbehaving applications by analyzing run-time functional and performance metrics, tracking, testing and reporting on bugs and bug fixes

Necessary experience, skills and knowledge:

  • 4+ years of experience as a QA Engineer
  • 3+ years of experience testing commercial web-based software products
  •  3+ years of experience designing test cases and end-to-end integration testing
  • 2+ years of experience in automation testing
  • Experience (on the QA side) with two or more of the following technologies:
  • Node.JS, React, TypeScript, Pure JavaScript, SPA
  • Experience with automated testing with Selenium Web Driver
  • Excellent understanding of software development QA processes – planning, cases, bug tracking
  • Very good written and spoken English, used day-to-day in a professional environment
  • If you like our story and you want to make a real difference in the tech world, come to our office for some coffee, a chat, and to become part of our family.

Necessary soft skills:

  • Mature, self-organized and responsible person
  • Able and willing to help other team members with their tasks where needed
  • Able to work with minimal supervision

Desirable experience, skills and knowledge:

  • Experience with CI/CD tools and pipelines
  • Experience with PostgreSQL, MongoDB
  • Understanding of Progressive Web Apps and Accelerated Mobile Pages

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  •  Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Senior Full-stack Node.JS Developer - R&D

Description

What will be your part in this awesome story?

  • Deliver readable, testable and reusable code by following best practices, using unit tests and creating and maintaining appropriate documentation
  • Participate in the analysis of the product requirements by meeting and discussing them with developers, product owners and other stakeholders
  • Participate in the planning of the delivery pipeline by estimating time required for delivery, analyzing dependencies between different software elements and improving visibility for other team members and teams
  • Take an active role in root cause analysis and troubleshooting of misbehaving applications by analyzing run-time functional and performance metrics and fixing bugs
  • Participate in the repurposing of existing software components on changes of product features or architecture by improving and refactoring

Requirements

What do you need in order to be part of CoreTech’s story:

  • 4+ years of experience developing web-based commercial software products
  • Excellent knowledge of Node.JS, npm, TypeScript and JavaScript
  • Experience with SOA / micro-services and developing performant & scalable applications
  • Understanding of web development paradigms (RESTful APIs, pub/sub, security)
  • Very good written and spoken English, used day-to-day in a professional environment

Necessary soft skills:

  • Mature, self-organized and responsible person
  • Able and willing to help other team members with their tasks where needed

Desirable experience, skills and knowledge:

  • Understanding of OOP and SOLID principles
  • Understanding of and experience with relational and non-relational databases
  • Experience with webpack, yarn, PostgreSQL, MongoDB, SPA
  • Understanding of Progressive Web Apps and Accelerated Mobile Pages
  • Experience with Git or another DVCS
  • Familiarity with Jenkins, Jira, Confluence, Bitbucket
  • Experience with some of the following: CSS-preprocessors (LESS, SASS), Docker and Kubernetes, Kafka, WebSockets, MQTT, gRPC, MessagePack, protobuf

Why to be part of our story?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Senior C# Developer – R&D

Description

What will be your part in this awesome story?

  • Deliver readable, testable and reusable code by following best practices, using unit tests and creating and maintaining appropriate documentation
  • Participate in the analysis of the product requirements by meeting and discussing them with developers, product owners and other stakeholders
  • Participate in the planning of the delivery pipeline by estimating time required for delivery, analyzing dependencies between different software elements and improving visibility for other team members and teams
  • Take an active role in root cause analysis and troubleshooting of misbehaving applications by analyzing run-time functional and performance metrics and fixing bugs
  • Participate in the re-purposing of existing software components on changes of product features or architecture by improving and refactorin

Requirements

What do you need in order to be part of CoreTech’s story:

  • 4+ years of experience developing commercial software products
  • 4+ years of experience developing web-based software products
  • Understanding of OOP and SOLID principles
  • Understanding of and experience with relational and non-relational databases
  • Experience with SOA / micro-services and developing performant & scalable applications
  • Experience with several of the following: .NET Core, C#, PostgreSQL, MongoDB
  • Experience with Git or another DVCS
  • Very good written and spoken English
  • Familiarity with Jenkins, Jira, Confluence, Bitbucket
  • Familiarity with Docker, Kubernetes, Kafka

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  •  Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  •  Breakfast and snacks
  • Birthday vouchers
  •  Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions
  • If you are interested in joining the CoreTech Team, send us your CV in English.
  • Only short-listed candidates will be contacted.
  • Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Office Assistant – Administration

Description

What will be your part in this awesome story?

  • You are the first face clients and employees are likely to see each day so a friendly manner is essential. Your job includes reporting, data entry and keeping track of visitors as well as answering phone calls.
  • Your role here is indispensable as you will help the company office run smoothly. It is a role that involves setting up meetings, making travel arrangements, be in charge of bookkeeping, logistics, maintenance and facility handling.
  • Supporting the company’s top executives and employees, with in depth communication with Office Manager in Sofia, HR and Finance Departments.

Requirements

What do you need in order to be part of CoreTech’s story:

  • Proven experience in providing office administrative services to technology companies
  • Previous experience as an Office Assistant or Administrator
  • Excellent English skills, ability to prepare and handle high quality and professional materials in English
  • Ability to work well under low supervision and to initiate and progress various activities and tasks in an independent way
  • Extremely organized with high attention to details
  • Proactive, ready to help and support others’ work
  • Communication skills – interactive, helpful and friendly
  • Discretion and trustworthiness in terms of highly confidential information
  • An expert knowledge of standard software packages and the ability to learn company-specific software if required
  • Very good organizational skills, able to prioritize under pressure, do follow-ups
  • Diligent and loyal, quick and effective, responsible, with a “can-do” attitude
  • At least 1 year prior experience on a similar position in an international company

Why be part of our story is good for you?

  • Cool colleagues and family-like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  • Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  • Breakfast and snacks
  • Birthday vouchers
  • Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions

If you are interested in joining the CoreTech Team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Personal Assistant and Driver - Administration

Description

What will be your part in this awesome story?

  • Manage all administrative tasks and routines of the owner and CEO of the company
  • Booking and arranging travel, transport and accommodation
  • Manage diary and schedule meetings and appointments
  • Booking restaurants and event planning
  • To be available 24/7 upon request
  • Drive the Owner of the company
  • Translation between English and Bulgarian
  • Assistance with personal matters
  • Dealing and negotiating with external providers and suppliers

What do you need in order to be part of CoreTech’s story:

  • Experience in providing administrative services
  • Excellent English skills. Ability to prepare and handle high quality and professional materials in English
  • Ability to work well under low supervision. Ability to initiate and progress various activities and tasks in an independent way
  • Extremely organized with high attention to details. Ability to prioritize tasks and functions well in a dynamic environment
  • Pro-activity
  • Communication skills: interactive, helpful and friendly
  • Discretion and trustworthiness in terms of highly confidential information
  • Clean driving license
  • Very good organizational skills, able to prioritize under pressure, do follow-ups and remind the Owner of important communication via various channels
  • Diligent and loyal, quick and effective, responsible, with attention to detail, with a “can-do” attitude

Why to be part of our story is good for you?

  • Cool colleagues and family like organization culture
  • Career development
  • Multisport card
  • Food and Gift vouchers
  • Transport cost coverage
  • Additional health insurance
  • 21 holidays paid vacation
  • Flexible working hours
  •  Fitness corner and coach in the office to train you
  • Fun company events
  • Massages in the office
  •  Breakfast and snacks
  • Birthday vouchers
  •  Wedding and new baby bonus
  • Language lessons in the office (Hebrew or English)
  • Knowledge Sharing Sessions
  • If you are interested in joining the CoreTech Team, send us your CV in English.
  • Only short-listed candidates will be contacted.
  • Confidentiality of all applications is assured!

*In regard with GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company.

Send Us Your CV
News
Contact

Get Connected.

We welcome you to contact us for more information
about any of our products or services.

SOFIA OFFICE

89B Vitosha Blvd., Millennium Center, 14th floor
Sofia, Bulgaria,
phone: +359 877 317 666
e-mail: [email protected]

TAIPEI OFFICE

The CORETECH office in Taipei. Taiwan is the natural extension of our powerhouse in Sofia. Where we have team members developing our innovative software solutions.

Contact