Logo TechBiz Global GmbH

Founding Backend Engineer

Job

  • Level
    Senior
  • Job Field
    IT, Security, Back End
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Berlin
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you will develop backend applications using Go, design cloud solutions on AWS, work on databases, optimize RESTful APIs, and help build a complete platform from scratch.

    Job Technologies

    Your role in the team

    • Develop and maintain backend applications using Go.
    • Design and optimize cloud-based solutions using AWS services (EC2, Lambda, S3, SQS, SNS, etc.).
    • Design, use and manage databases, including PostgreSQL, Neo4J, Redis, and Elasticsearch.
    • Develop, manage, and optimize containerized applications using Docker.
    • Automate processes using Bash/Python scripting.
    • Optimize and maintain RESTful APIs, ensuring security and performance.
    • Work closely with frontend engineers, DevOps, and product team to deliver robust applications.
    • Monitor, debug, and improve backend performance, reliability, and scalability.
    • Implement caching, messaging queues, and event-driven architectures where needed.
    • Build the entire platform from scratch.

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    Our expectations of you

    Qualifications

    • Hands-on coding mentality; can build things from scratch and familiar with different architectures.
    • Ability to troubleshoot production issues end to end.
    • Starkes Verständnis von SaaS-Integrationen und App-to-App-Berechtigungsflüssen.
    • High ownership mentality, startup mindset, and ability to move quickly.
    • Low ego, high commitment, and a true tech startup mentality.
    • Strong problem-solving skills and ability to work in a collaborative environment.
    • Excellent English communication skills.
    • Ability to code in Python.
    • Vertrautheit mit Compliance-Rahmenwerken (NIS2, DORA, ISO 27001, SOC 2).
    • Exposure to graph-based modeling (identity graph, access graph, risk graph).
    • Understanding of OAuth/OIDC, API tokens, IdP, scopes, SSO, SCIM, roles, RBAC/ABAC, service accounts.
    • Vertrautheit mit Cloud-Identitäts- und Sicherheitskontrollen (z. B. IAM, CloudTrail, Azure Active Directory / Entra ID).
    • Hands-on experience with SIEM platforms such as Splunk, Microsoft Sentinel, or IBM QRadar.
    • Knowledge of tokenization, Zero Trust principles, least privilege, and continuous verification.
    • Vertrautheit mit dem Verhalten von KI-Agenten, Sicherheit von LLMs oder Agentensandboxing.
    • You are a fan of rock or metal music.
    • Excellent German communication skills.

    Experience

    • 5+ years of GoLang experience.
    • Hands-on experience with Docker, Kubernetes (EKS) and containerized workloads.
    • Experience designing RESTful and gRPC APIs and using frameworks like Gin.
    • Hands-on experience with messaging systems (e.g., SQS, Kafka).
    • Experience with CI/CD pipelines (GitHub Actions or similar).
    • Experience operating PostgreSQL (RDS / Aurora), Neo4J (or similar).
    • Experience with AI agents, LLM-based systems, MCP, RAG, Prompts, Embeddings, Vector, etc.
    • Experience with AI stack (AWS Bedrock, LangChain, pgvector or similar).
    • Experience with Infrastructure as Code (Terraform).
    • Experience with monitoring, logging, observability (Grafana, OpenTelemetry, Prometheus).
    • Experience with Coding CoPilots (Claude Code, GitHub Copilot, AWS CodeWhisperer, Codex, etc.).
    • Experience supporting production SaaS platforms.
    • Experience in startup or scale-up environments.
    • Nice-to-have requirements: Experience working with Java.
    • Experience with security architecture, identity security, or security engineering.
    • Experience with AWS in production environments.
    • Experience designing permission models, identity graphs, or access control frameworks.
    • Experience with security related to AI/LLM systems, agent logic, or willingness to learn fast.
    • Previous experience in cybersecurity, identity startups.

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    What we offer

    • Founding Team Member Equity - ESOPs in a cybersecurity company.
    • Competitive Compensation - salary aligned with market, flexible early-stage arrangements possible.
    • Founding Team Member Status - shape the company from day one and own critical technical decisions.
    • Fresh Funding Secured - immediate runway to build, hire, and execute fast.
    • Security Contribution - contribute to security architecture across identity, AI agents, and enforcement.
    • High Autonomy - freedom to design and build without corporate overhead.
    • Work with a Technical CEO and CPTO - fast iteration, strong alignment, clear direction.
    • Cutting-Edge Domain - identity security, SaaS-to-SaaS access, AI agent governance.
    • Massive Learning Curve - quickly gain depth in cybersecurity, identity, and AI systems.
    • Fast Career Path - opportunity to evolve into leadership as we scale the engineering team.
    • Berlin Location - top-tier tech environment with strong cybersecurity and AI ecosystems.
    • Direct Impact - your architecture and code become the foundation of the entire platform.
    • Best Equipment and Tools - High quality equipment and modern tools to help you do your best work from day one.
    • Team Offsites - Regular team offsites designed to build strong connections, alignment, and shared momentum.

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    Topics that you deal with on the job

    Job Locations

    • Location Berlin

      Germany

    This is your employer

    TechBiz Global GmbH

    TechBiz Global GmbH

    TechBiz Global GmbH is a leading company in the field of IT recruitment and software development. The company supports its clients in scaling and achieving new successes. Based in Germany, it offers a variety of services.

    Description

  • Company Type
    Recruiting Agency
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication
  • Logo TechBiz Global GmbH

    Founding Backend Engineer

    Location
    Berlin
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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