Founding Backend Engineer(Go)

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 GoDesign and optimize cloud-based solutions using AWS services (EC2, Lambda, S3, SQS, SNS, etc.)Design, use and manage databases, including PostgreSQL, Neo4J, Redis, and ElasticsearchDevelop, manage, and optimize containerized applications using DockerAutomate processes using Bash/Python scriptingOptimize and maintain RESTful APIs, ensuring security and performanceWork closely with frontend engineers, DevOps, and product team to deliver robust applicationsMonitor, debug, and improve backend performance, reliability, and scalabilityImplement caching, messaging queues, and event-driven architectures where neededBuild whole platform from scratch5+ years of GoLang experienceHands-on coding mentality; can build things from scratch and familiar with different architecturesHands-on experience with Docker, Kubernetes (EKS) and containerized workloadsExperience designing RESTful and gRPC APIs and using frameworks like GinHands-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, etcExperience 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 endExperience with Coding CoPilots(Claude Code, GitHub Copilot, AWS CodeWhisperer, Codex, etc.)Experience supporting production SaaS platformsStrong understanding of SaaS integrations and app-to-app permission flowsHigh ownership mentality, startup mindset, and ability to move quicklyExperience in startup or scale-up environmentsLow ego, high commitment, and a true tech startup mentalityStrong problem-solving skills and ability to work in a collaborative environmentExcellent English communication skillsNice-to-have requirements:Experience working with JavaAbility to code in PythonExperience with security architecture, identity security, or security engineeringFamiliarity with compliance frameworks (NIS2, DORA, ISO 27001, SOC 2)Experience with AWS in production environmentsExposure 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 accountsFamiliarity 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 QRadarExperience designing permission models, identity graphs, or access control frameworksKnowledge of tokenization, Zero Trust principles, least privilege, and continuous verificationExperience with Security related to AI/LLM systems, agent logic, or willingness to learn fastFamiliarity with AI agent behavior, LLM security, or agent sandboxingPrevious experience in cybersecurity, identity startupsYou are a fan of rock or metal musicExcellent German communication skillsBenefits:Founding Team Member Equity — ESOPs in a cybersecurity companyCompetitive Compensation — salary aligned with market, flexible early-stage arrangements possibleFounding Team Member Status — shape the company from day one and own critical technical decisionsFresh Funding Secured — immediate runway to build, hire, and execute fastSecurity Contribution — contribute to security architecture across identity, AI agents, and enforcementHigh Autonomy — freedom to design and build without corporate overheadWork with a Technical CEO and CPTO — fast iteration, strong alignment, clear directionCutting-Edge Domain — identity security, SaaS-to-SaaS access, AI agent governanceMassive Learning Curve — quickly gain depth in cybersecurity, identity, and AI systemsFast Career Path — opportunity evolve into leadership as we scale the engineering teamBerlin Location — top-tier tech environment with strong cybersecurity and AI ecosystemsDirect Impact — your architecture and code become the foundation of the entire platformBest Equipment and Tools - High quality equipment and modern tools to help you do your best work from day oneTeam Offsites - Regular team offsites designed to build strong connections, alignment, and shared momentumFind more English Speaking Jobs in Germany on Arbeitnow

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 GoDesign and optimize cloud-based solutions using AWS services (EC2, Lambda, S3, SQS, SNS, etc.)Design, use and manage databases, including PostgreSQL, Neo4J, Redis, and ElasticsearchDevelop, manage, and optimize containerized applications using DockerAutomate processes using Bash/Python scriptingOptimize and maintain RESTful APIs, ensuring security and performanceWork closely with frontend engineers, DevOps, and product team to deliver robust applicationsMonitor, debug, and improve backend performance, reliability, and scalabilityImplement caching, messaging queues, and event-driven architectures where neededBuild whole platform from scratch5+ years of GoLang experienceHands-on coding mentality; can build things from scratch and familiar with different architecturesHands-on experience with Docker, Kubernetes (EKS) and containerized workloadsExperience designing RESTful and gRPC APIs and using frameworks like GinHands-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, etcExperience 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 endExperience with Coding CoPilots(Claude Code, GitHub Copilot, AWS CodeWhisperer, Codex, etc.)Experience supporting production SaaS platformsStrong understanding of SaaS integrations and app-to-app permission flowsHigh ownership mentality, startup mindset, and ability to move quicklyExperience in startup or scale-up environmentsLow ego, high commitment, and a true tech startup mentalityStrong problem-solving skills and ability to work in a collaborative environmentExcellent English communication skillsNice-to-have requirements:Experience working with JavaAbility to code in PythonExperience with security architecture, identity security, or security engineeringFamiliarity with compliance frameworks (NIS2, DORA, ISO 27001, SOC 2)Experience with AWS in production environmentsExposure 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 accountsFamiliarity 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 QRadarExperience designing permission models, identity graphs, or access control frameworksKnowledge of tokenization, Zero Trust principles, least privilege, and continuous verificationExperience with Security related to AI/LLM systems, agent logic, or willingness to learn fastFamiliarity with AI agent behavior, LLM security, or agent sandboxingPrevious experience in cybersecurity, identity startupsYou are a fan of rock or metal musicExcellent German communication skillsBenefits:Founding Team Member Equity — ESOPs in a cybersecurity companyCompetitive Compensation — salary aligned with market, flexible early-stage arrangements possibleFounding Team Member Status — shape the company from day one and own critical technical decisionsFresh Funding Secured — immediate runway to build, hire, and execute fastSecurity Contribution — contribute to security architecture across identity, AI agents, and enforcementHigh Autonomy — freedom to design and build without corporate overheadWork with a Technical CEO and CPTO — fast iteration, strong alignment, clear directionCutting-Edge Domain — identity security, SaaS-to-SaaS access, AI agent governanceMassive Learning Curve — quickly gain depth in cybersecurity, identity, and AI systemsFast Career Path — opportunity evolve into leadership as we scale the engineering teamBerlin Location — top-tier tech environment with strong cybersecurity and AI ecosystemsDirect Impact — your architecture and code become the foundation of the entire platformBest Equipment and Tools - High quality equipment and modern tools to help you do your best work from day oneTeam Offsites - Regular team offsites designed to build strong connections, alignment, and shared momentumFind more English Speaking Jobs in Germany on Arbeitnow