Senior Back-End Developer - Internal Tooling

TN France; Paris; Hybride; EUR 60 000 - 100 000; Plein temps

Résumé du poste

Join a dynamic and innovative company at the forefront of the digital asset revolution. As a Senior Back-End Developer, you will play a pivotal role in designing and developing scalable backend services that power financial and crypto-native products. Collaborate with cross-functional teams and lead technical discussions, while advocating for best engineering practices. This is an exciting opportunity to work in a vibrant office in Paris, with a flexible work-from-anywhere policy and unlimited vacation. Be part of a rapidly expanding global technology company and make a significant impact in an emerging industry.

Prestations

Unlimited vacation policy

Performance-based bonuses

Apple equipment provided

Work from Anywhere policy

Awesome office location in Paris

Qualifications

• Proficiency in Java or Kotlin with strong knowledge of microservices architecture.
• Experience with relational and NoSQL databases like PostgreSQL and MySQL.

Responsabilités

• Design and maintain scalable backend services using Kotlin & Java.
• Build and optimize APIs for integration with front-end systems.
• Conduct code reviews and mentor junior developers.

Connaissances

Java

Kotlin

Microservices Architecture

API Design

PostgreSQL

MySQL

Problem-Solving

Attention to Detail

Outils

Docker

CI/CD Tools

Kafka

RabbitMQ

GCP

AWS

Azure

React

Description du poste

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Senior Back-End Developer - Internal Tooling, Paris

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Client:

BLOCKCHAIN

Location:

Paris, France

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

bf3245d7e2ce

Job Views:

5

Posted:

07.05.2025

Expiry Date:

21.06.2025

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Job Description:

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time

We are looking for Software Engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices.

WHAT YOU WILL DO:

• Design, develop, and maintain scalable backend services using Kotlin & Java
• Build and optimize APIs for seamless integration with front-end and third-party systems.
• Work with relational and NoSQL databases to manage and process large-scale data efficiently.
• Implement and maintain CI/CD pipelines for smooth deployment and testing processes.
• Collaborate with cross-functional teams to deliver secure, high-quality, and user-centric solutions.
• Conduct code reviews and mentor junior developers to foster a culture of continuous improvement.
• Work closely with design and product teams to ensure seamless integration of user-facing and server-side features.

WHAT YOU WILL NEED:

• Proficiency in Java or Kotlin
• Strong knowledge of microservices architecture, API design, and database systems (PostgreSQL, MySQL)
• Understanding of system design principles and scalable architectures
• Familiarity with Docker and CI/CD tools.
• Experience with event-driven architectures (e.g., Kafka, RabbitMQ).
• Strong problem-solving skills, attention to detail, and a commitment to code quality.

NICE TO HAVE:

• Experience with cloud platforms like GCP, AWS or Azure
• Knowledge of blockchain technologies or financial systems.
• Proficiency in frontend technologies like React

COMPENSATION & PERKS

• Competitive full-time salary based on experience and meaningful equity in an industry-leading company
• Awesome office location in the heart of Paris - working 4 days in the office is mandatory
• Work from Anywhere policy
• The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry
• Unlimited vacation policy; work hard and take time when you need it
• Performance-based bonuses paid in cash
• Apple equipment provided by the company

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.