Senior Back-end Developer (Node.js, Rust)

BeInCrypto • Spain
Remote
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AI Summary

BeInCrypto is seeking an experienced Senior Back-end Developer to build microservices infrastructure, implement user authentication and authorization systems, and optimize backend services for scalability and speed.

Key Highlights
Design, develop, and maintain robust and high-performance microservices in Rust and Node.js
Implement and manage user authentication and authorization systems
Optimize existing backend systems for scalability and speed
Technical Skills Required
Node.js Rust Microservices Authentication and Authorization APIs Database technologies (SQL and NoSQL) Caching solutions Cloud services (AWS, Azure, GCP) Containerization technologies (Docker, Kubernetes) Continuous integration and deployment (CI/CD) pipelines
Benefits & Perks
100% remote work
Flexible working hours
Paid time off
Clear goals and freedom to define the ways to achieve them
Internal learning programs & masterclasses
Culture of open communication, healthy and constructive feedback
Support for personal branding and industry visibility
Career growth opportunities

Job Description


About BE[IN]CRYPTO


Since 2018, BeInCrypto has grown and consistently maintained its position among the top 3 crypto media platforms worldwide.



  • Our global team of 150+ professionals collaborates across 50+ countries.

  • Our platform supports 26 languages and attracts 7 million readers monthly.

  • We have successfully launched and expanded 5+ business units, including InMarkets, BonusHunter, Web3 Jobs, Top Picks, Newsletters, and more.

  • We are official media partners of top industry events covering both offline and online with at least 100+ conferences annually. You can meet us at TOKEN2049, EthCC, Paris Blockchain Week and others.


United by our passion for blockchain and our mission to be the most user-centric media platform in Web3, we make reliable information accessible to traders worldwide—delivering insights in your language every day!


We are looking for an experienced Senior Back-end Developer with a strong background in Node.js and Rust. The ideal candidate will be instrumental in building our microservices infrastructure, playing a crucial role in the development and deployment of scalable and efficient backend services.


Tasks

Key Responsibilities:



  • Design, develop, and maintain robust and high-performance microservices, primarily in Rust, and potentially in Node.js, to support a Next.js application.

  • Implement and manage user authentication and authorization systems.

  • Design and manage data caching layers and strategies for efficient data retrieval.

  • Develop and integrate APIs for accessing and manipulating various data sources.

  • Ensure that APIs and server-side configurations are optimized for search engines, including efficient loading and response times.

  • Collaborate with the frontend team to implement server-side rendering or other techniques beneficial for SEO and to ensure seamless integration of backend services.

  • Collaborate with cross-functional teams to define and implement new features.

  • Optimize existing backend systems for scalability and speed.

  • Ensure code quality, stability, and scalability through best practices and code reviews.

  • Work closely with the DevOps team to facilitate deployment and efficient scaling of services.


Requirements

Qualifications:



  • At least 5 years of experience in backend development, with a focus on Node.js and Rust.

  • Proven experience in building and managing microservices architectures.

  • Strong understanding of authentication and authorization protocols.

  • Familiarity with developing and managing APIs, particularly RESTful services.

  • Proficiency in database technologies (both SQL and NoSQL) and caching solutions.

  • Understanding of the impact of backend technologies on SEO.

  • Experience with cloud services (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes).

  • Familiarity with continuous integration and deployment (CI/CD) pipelines.

  • Excellent problem-solving skills and attention to detail.

  • Strong communication skills and the ability to work effectively in a team setting.


Benefits

What we offer to you:



  • 100% remote work—no location limits

  • Flexible working hours to suit your lifestyle, no time trackers

  • Paid time off to recharge

  • Clear goals and freedom to define the ways to achieve them

  • Internal learning programs & masterclasses

  • Culture of open communication, healthy and constructive feedback

  • Support for personal branding and industry visibility

  • Career growth opportunities—60% of our managers were promoted from within

  • An inclusive workplace where everyone—regardless of background, nationality, gender, identity, abilities, or beliefs—can thrive


Ready to start your new journey with us?


At BIC, we value your expertise, ideas, curiosity, dynamism, adaptability, and passion for innovation. If this approach resonates with you, we’d love to welcome you to our team and achieve new heights together! Apply now, and our Recruitment team will contact you with the next steps.


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