About the role
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
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