Calyptus
Senior Backend Engineer
Calyptus Germany
Stellenbeschreibung:

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    Role Overview

    We’re seeking a Senior Backend Engineer with proven expertise in designing, building and owning scalable, high throughput and low latency microservices-based backends in TypeScript. Ideally, you will have experience doing so within the Solana ecosystem or broader blockchain space. The ideal candidate is a proactive and autonomous technical lead who thrives on tackling complex challenges and shares a passion for on-chain trading. You should have experience with system design/architecture, developing complex codebases sustainably with minimal technical debt, handling a large number of concurrent users with real-time data streaming, and directing a team to accomplish its goals and ship first-class products. As a Lead Backend Engineer you’ll convene directly with the co-founders and build new innovative features, bring on improvements to current products.


    Key Responsibilities

    • Project/Product Ownership: Leadership and oversight of Trojan Trading’s backend services while reporting directly to the technical co-founders.
    • Backend Development: Design, develop, and maintain robust backend services using TypeScript (Bun.js framework) to support trading functionality, tools/analytics for traders, third-party integrations, and more.
    • System Availability/Reliability: Design scalable and fault-tolerant architectures, implement monitoring/alerting, and maintain disaster recovery protocols to ensure system availability.
    • Performance Optimisation: Ensure backend systems & database queries deliver top-tier speed for thousands of concurrent users without compromising on reliability.
    • Code Quality: Uphold best practices by writing well-structured, efficient, and well-documented code.
    • Collaborate Across Teams: Work closely with frontend teams and users to align backend solutions with platform objectives.
    • Problem Solving: Identify, debug, and resolve complex technical issues to maintain smooth platform operations.

    Requirements

    Technical Expertise:

    Proficiency in Node.js/Bun.js and TypeScript with 7+ years of experience in backend development.
    Must have delivered a complex microservices-based backend serving web clients end-to-end.
    Experience serving a high number of concurrent users with large data-streaming requirements.
    Proficiency with building robust and optimised API endpoints and web sockets.
    Strong understanding of Postgres, including schema/query design and optimisation for high-performance/high-reliability use cases.


    Autonomy: Proven ability to work independently while driving projects to completion.


    Team Collaboration:

    Strong communication skills to work effectively within a cross-functional team.
    Experience leading a mid-sized engineer team.


    Nice-To-Haves

    Experience working on backend systems for crypto trading platforms, DeFi applications, or other data-heavy services.
    Passion or experience in on-chain trading; being a part-time trader on Solana is a plus.
    Knowledge of CI/CD pipelines and development tools for streamlined deployments.


    ____________________________________________________________


    Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles. Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.

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Stelleninformationen
  • Typ:

    Vollzeit
  • Arbeitsmodell:

    Remote
  • Kategorie:

    Development & IT
  • Erfahrung:

    Senior
  • Arbeitsverhältnis:

    Angestellt
  • Veröffentlichungsdatum:

    24 Aug 2025
  • Standort:

    Germany
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