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Senior Java Developer + DevOPS

Java, Google Cloud
Remote
8000-12000 BGN
Remote

Senior Java Developer + DevOPS

Java, Google Cloud
8000-12000 BGN
Company logo

DevOps Engineer

C#, Amazon AWS, MongoDB
Remote
4500-8500 BGN
Remote

DevOps Engineer

C#, Amazon AWS, MongoDB
4500-8500 BGN
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Machine Learning Engineer

Python
Remote
8364-11375 BGN
Remote

Machine Learning Engineer

Python
8364-11375 BGN
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Senior Machine Learning Engineer

Python
Remote
11666-14166 BGN
Remote

Senior Machine Learning Engineer

Python
11666-14166 BGN
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FULL-STACK JAVASCRIPT DEVELOPER

JavaScript, Amazon AWS, MySQL
Remote
8000-9000 BGN
Remote

FULL-STACK JAVASCRIPT DEVELOPER

JavaScript, Amazon AWS, MySQL
8000-9000 BGN
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Frontend Developer (Drupal) – Remote

JavaScript, Drupal
Remote
6000-9000 BGN
Remote

Frontend Developer (Drupal) – Remote

JavaScript, Drupal
6000-9000 BGN
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Frontend Developer (Drupal) – Hybrid

JavaScript, Drupal
Sofia, Bulgaria
6000-9000 BGN
Sofia, Bulgaria

Frontend Developer (Drupal) – Hybrid

JavaScript, Drupal
6000-9000 BGN
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Regular Backend Developer (Drupal) - Remote

PHP, Drupal
Remote
6000-9000 BGN
Remote

Regular Backend Developer (Drupal) - Remote

PHP, Drupal
6000-9000 BGN
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Regular Backend Developer (Drupal) - Hybrid

PHP, Drupal
Sofia, Bulgaria
6000-9000 BGN
Sofia, Bulgaria

Regular Backend Developer (Drupal) - Hybrid

PHP, Drupal
6000-9000 BGN
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Marketing & Growth Expert

Sofia, Bulgaria
2500-3500 BGN
Sofia, Bulgaria

Marketing & Growth Expert

2500-3500 BGN
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Lead Site Reliability Engineer

Kubernetes, MySQL
Remote
10450-11550 BGN
Remote

Lead Site Reliability Engineer

Kubernetes, MySQL
10450-11550 BGN
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Senior .NET Developer

C#, .NET Core, Microsoft SQL Server
София, България
11000-13000 BGN
София, България

Senior .NET Developer

C#, .NET Core, Microsoft SQL Server
11000-13000 BGN
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DevOps Engineer

Python, Amazon AWS, Oracle
Sofia, Bulgaria
7000-7500 BGN
Sofia, Bulgaria

DevOps Engineer

Python, Amazon AWS, Oracle
7000-7500 BGN
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Frontend Developer

JavaScript
Sofia, Bulgaria
5000-8000 BGN
Sofia, Bulgaria

Frontend Developer

JavaScript
5000-8000 BGN
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Fullstack Developer

Sofia, Bulgaria
7000-12000 BGN
Sofia, Bulgaria

Fullstack Developer

7000-12000 BGN
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Senior Backend Developer

JavaScript, Node.js, PostgreSQL
Sofia, Bulgaria
7000-12000 BGN
Sofia, Bulgaria

Senior Backend Developer

JavaScript, Node.js, PostgreSQL
7000-12000 BGN
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Mid Backend Developer

JavaScript, Node.js, PostgreSQL
Sofia, Bulgaria
5000-8000 BGN
Sofia, Bulgaria

Mid Backend Developer

JavaScript, Node.js, PostgreSQL
5000-8000 BGN
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Senior Java Developer

Java, Spring, MySQL
Remote
8300-10500 BGN
Remote

Senior Java Developer

Java, Spring, MySQL
8300-10500 BGN
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QA Engineer

Sofia, Bulgaria
>1800 BGN
Sofia, Bulgaria

QA Engineer

>1800 BGN
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Senior Software Developer C++

C++, Docker
Sofia, Bulgaria
>7500 BGN
Sofia, Bulgaria

Senior Software Developer C++

C++, Docker
>7500 BGN
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Software Developer C++

C++, Docker
Sofia, Bulgaria
>3500 BGN
Sofia, Bulgaria

Software Developer C++

C++, Docker
>3500 BGN
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Senior Software Developer - Android

Java, Android
Sofia, Bulgaria
>7500 BGN
Sofia, Bulgaria

Senior Software Developer - Android

Java, Android
>7500 BGN
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Software Developer - Android

Java, Android
Sofia, Bulgaria
>3500 BGN
Sofia, Bulgaria

Software Developer - Android

Java, Android
>3500 BGN
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Database Developer

Oracle
Sofia, Bulgaria
7000-8000 BGN
Sofia, Bulgaria

Database Developer

Oracle
7000-8000 BGN
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Senior Private Cloud Technology Expert

Sofia, Bulgaria
4500-5500 BGN
Sofia, Bulgaria

Senior Private Cloud Technology Expert

4500-5500 BGN
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Flutter Senior developer

, .NET Core
Sofia, Bulgaria
7500-9500 BGN
Sofia, Bulgaria

Flutter Senior developer

, .NET Core
7500-9500 BGN
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QA Automation Test Engineer (Senior)

Java, Kubernetes
Remote
5500-7000 BGN
Remote

QA Automation Test Engineer (Senior)

Java, Kubernetes
5500-7000 BGN
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Senior Java Developer

Java, Spring, Oracle
Remote
8500-10500 BGN
Remote

Senior Java Developer

Java, Spring, Oracle
8500-10500 BGN
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Digital Marketing Manager

Varna, Bulgaria
3000-4000 BGN
Varna, Bulgaria

Digital Marketing Manager

3000-4000 BGN
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Wordpress Technician

C++, Wordpress, MySQL
Varna, Bulgaria
3000-4000 BGN
Varna, Bulgaria

Wordpress Technician

C++, Wordpress, MySQL
3000-4000 BGN
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Mobile Developer

Dart, Flutter
Remote
3800-6000 BGN
Remote

Mobile Developer

Dart, Flutter
3800-6000 BGN
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Web Developer

HTML/CSS, Vue.js
Remote
3800-6000 BGN
Remote

Web Developer

HTML/CSS, Vue.js
3800-6000 BGN
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Senior JavaScript Developer with React

JavaScript, React.js
Remote
6000-8500 BGN
Remote

Senior JavaScript Developer with React

JavaScript, React.js
6000-8500 BGN
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Senior Node.js Developer

JavaScript, Node.js
Remote
6000-8500 BGN
Remote

Senior Node.js Developer

JavaScript, Node.js
6000-8500 BGN
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Senior Clojure Developer

Clojure, MongoDB
Remote
6500-10000 BGN
Remote

Senior Clojure Developer

Clojure, MongoDB
6500-10000 BGN
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Sales Specialist

Sofia, Bulgaria
3400-6000 BGN
Sofia, Bulgaria

Sales Specialist

3400-6000 BGN
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Senior C++ Software Developer

C++,
Sofia, Bulgaria
6000-8000 BGN
Sofia, Bulgaria

Senior C++ Software Developer

C++,
6000-8000 BGN
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Senior React/React Native Developer

JavaScript, MySQL
Remote
8500-15000 BGN
Remote

Senior React/React Native Developer

JavaScript, MySQL
8500-15000 BGN
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Blockchain Developer

JavaScript, MySQL
Sofia, Bulgaria
6000-11500 BGN
Sofia, Bulgaria

Blockchain Developer

JavaScript, MySQL
6000-11500 BGN
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Senior Java Developer

Java, Spring, MongoDB
Remote
11500-18800 BGN
Remote

Senior Java Developer

Java, Spring, MongoDB
11500-18800 BGN
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Senior Blockchain Developer - DeFi

JavaScript, MySQL
Sofia, Bulgaria
11500-16500 BGN
Sofia, Bulgaria

Senior Blockchain Developer - DeFi

JavaScript, MySQL
11500-16500 BGN
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Software Engineer Node.js

JavaScript, Amazon AWS
Remote
5000-8000 BGN
Remote

Software Engineer Node.js

JavaScript, Amazon AWS
5000-8000 BGN
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Senior Software Engineer Node.js

JavaScript, Amazon AWS
Remote
8000-10500 BGN
Remote

Senior Software Engineer Node.js

JavaScript, Amazon AWS
8000-10500 BGN
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EMBEDDED HARDWARE ENGINEER

Sofia, Bulgaria
5500-6000 BGN
Sofia, Bulgaria

EMBEDDED HARDWARE ENGINEER

5500-6000 BGN
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Младши експерт Клиентски център Еконт

Ruse, Bulgaria
1800-2000 BGN
Ruse, Bulgaria

Младши експерт Клиентски център Еконт

1800-2000 BGN
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Microsoft Cloud Solutions Technology Expert

Sofia, Bulgaria
5000-6500 BGN
Sofia, Bulgaria

Microsoft Cloud Solutions Technology Expert

5000-6500 BGN
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Cyber Security Technology Expert

Sofia, Bulgaria
4000-5000 BGN
Sofia, Bulgaria

Cyber Security Technology Expert

4000-5000 BGN
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Database Administrator/ Developer

Oracle
Sofia, Bulgaria
6000-7000 BGN
Sofia, Bulgaria

Database Administrator/ Developer

Oracle
6000-7000 BGN
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Frontend Engineer

JavaScript, Flask, MongoDB
Remote
8000-11000 BGN
Remote

Frontend Engineer

JavaScript, Flask, MongoDB
8000-11000 BGN
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Senior Software Engineer (PHP)

PHP, Docker, MySQL
Remote
8000-10000 BGN
Remote

Senior Software Engineer (PHP)

PHP, Docker, MySQL
8000-10000 BGN

Blockchain Developer

Sofia, Bulgaria
Senior
Full Time
Description

Stand out and lead the way. ​​Define an industry. Forge the path to truly blockchain-based, deflationary, and limitless finance. 

Nexo is the world’s leading regulated digital assets institution. Our mission is to maximize the value and utility of cryptocurrencies by signature products created in Bulgaria. For four years now, we have processed $130+ billion for over 5,000,000+ users around the globe. And this is only the beginning.

Job details
Role
Backend developer
Seniority
Senior
Job Type
Full Time
Team Size
5-10
Stock Options
No
Monthly gross salary
6000 - 11500 BGN
Location
Sofia, Bulgaria
Home office (days/week)
2
Fully remote
No
Customer facing
No
Business travel
Yes
Tech Requirements
Primary Language
JavaScript
Main Database
MySQL
Requirements
  • 4+ years of experience in Software Engineering
  • 2+ years of experience as Blockchain Developer Experience with our stack: NodeJs, MongoDB, MySQL, AWS, Kafka
  • Familiar with Web3 Stack: Web3, Ethers, Hardhat, OpenZepellin Tooling, Smart Contract Debugging
  • Strong understanding of blockchains, smart contracts & dApps, different types of wallets and standards
  • Mastery of applied encryption principles (asymmetric versus symmetric encryption, digital signatures, hashing, message authentication, generating and safely transferring key pairs)
  • Appreciate the differences between ERC20 and ERC721
  • Experience leading 3rd party Integrations
  • Self-starter and comfortable to work effectively in a fluid, fast-paced startup environment and meet the deadlines; ability to work independently but within one strong team
Responsibilities
  • Collaborating with managers to determine blockchain technology needs and envisaged functionalities.
  • Brainstorm and help evaluate applications for new tools and technologies as they continually evolve
  • Applying the latest cryptology techniques to protect digital transaction data against cyberattacks and information hacks.
  • Maintain and extend current client- and server-side applications responsible for integration and business logic
  • Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals
  • Keeping up with current blockchain technologies and cryptography methods.
  • Document new solutions as well as maintaining that of existing ones
Projects you will be working on
slide 9 to 10 of 5
Benefits & perks
  • Attractive remuneration package
  • Annual bonuses
  • Learning Hub
  • Hybrid way of work and work from home
  • Inspiring atmosphere and innovative projects
  • Future career development in a global company leading the innovative blockchain space
  • Tailor-made personal benefits package — you want it, you get it
  • Wellness program including additional health insurance, Multisport card, sports activities, standing desks & protective glasses and many more
  • Free assorted healthy snacks and fresh fruits in the office
  • Weekly gourmet breakfast meet-ups
  • Free parking with a designated space, free electric bikes & public transport
  • Epic regular team buildings and parties
  • And so many more…
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