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Founding Backend Engineer(Go)

  • Hybrid
    • Berlin, Berlin, Germany
  • Engineering

-Founding Go Engineer role in a funded Berlin cybersecurity & AI startup
-Hybrid role from Berlin

Job description

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Founding Backend Engineer(Go) to join one of our clients' team in Berlin. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.

Key Responsibilities:

  • 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 whole platform from scratch

Job requirements

  • 5+ years of GoLang experience

  • Hands-on coding mentality; can build things from scratch and familiar with different architectures

  • 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)

  • Ability to troubleshoot production issues end to end

  • Experience with Coding CoPilots(Claude Code, GitHub Copilot, AWS CodeWhisperer, Codex, etc.)

  • Experience supporting production SaaS platforms

  • Strong understanding of SaaS integrations and app-to-app permission flows

  • High ownership mentality, startup mindset, and ability to move quickly

  • Experience in startup or scale-up environments

  • 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

Nice-to-have requirements:

  • Experience working with Java

  • Ability to code in Python

  • Experience with security architecture, identity security, or security engineering

  • Familiarity with compliance frameworks (NIS2, DORA, ISO 27001, SOC 2)

  • Experience with AWS in production environments

  • Exposure to graph-based modeling (identity graph, access graph, risk graph)

  • Familiarity with compliance frameworks (NIS2, DORA, ISO 27001, SOC 2)

  • Understanding of OAuth/OIDC, API tokens, IdP, scopes, SSO, SCIM, roles, RBAC/ABAC, service accounts

  • Familiarity with cloud identity and security controls (e.g. IAM, CloudTrail, Azure Active Directory / Entra ID)

  • Hands-on with SIEM platforms such as Splunk, Microsoft Sentinel, or IBM QRadar

  • Experience designing permission models, identity graphs, or access control frameworks

  • Knowledge of tokenization, Zero Trust principles, least privilege, and continuous verification

  • Experience with Security related to AI/LLM systems, agent logic, or willingness to learn fast

  • Familiarity with AI agent behavior, LLM security, or agent sandboxing

  • Previous experience in cybersecurity, identity startups

  • You are a fan of rock or metal music

  • Excellent German communication skills

Benefits:

  • 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 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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