Founding Backend Engineer(Go)

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking aFounding Backend Engineer(Go)to join one of ourclients' 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

• 5+ yearsof GoLangexperience

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

• Hands-on experience withDocker, Kubernetes (EKS) and containerized workloads

• Experience designingRESTful andgRPC APIs and using frameworks likeGin

• Hands-on experience with messaging systems (e.g.,SQS,Kafka)

• Experience withCI/CD pipelines (GitHub Actions or similar)

• Experience operatingPostgreSQL (RDS / Aurora), Neo4J(or similar)

• Experience withAI agents, LLM-based systems, MCP, RAG, Prompts, Embeddings, Vector, etc

• Experience withAI stack(AWS Bedrock, LangChain, pgvector or similar)

• Experience withInfrastructure as Code (Terraform)

• Experience withmonitoring, logging, observability (Grafana, OpenTelemetry, Prometheus)

• Ability totroubleshoot production issues end to end

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

• Experience supportingproduction SaaS platforms

• Strong understanding ofSaaS integrations and app-to-app permission flows

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

• Experience instartup or scale-up environments

• Low ego, high commitment, and atrue tech startup mentality

• Strongproblem-solving skills and ability to work in a collaborative environment

• ExcellentEnglish communication skills

Nice-to-have requirements:

• Experience working withJava

• Ability to code inPython

• Experience with security architecture, identity security, orsecurity engineering

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

• Experience withAWS in production environments

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

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

• Understanding ofOAuth/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 asSplunk, Microsoft Sentinel, or IBM QRadar

• Experience designingpermission models, identity graphs, or access control frameworks

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

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

• Familiarity withAI agent behavior, LLM security, or agent sandboxing

• Previous experience incybersecurity, identity startups

• You are a fan ofrock or metal music

• ExcellentGerman 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