Founding Backend Engineer(Go)
TechBiz Global GmbH8 months ago
Berlin, GermanySenior
Responsibilities
- Develop and maintain backend applications using Go.
- Design and optimize cloud-based solutions using AWS services.
- Design, manage, and optimize PostgreSQL, Neo4j, Redis, and Elasticsearch databases.
- Develop, manage, and optimize Docker-based containerized applications and Kubernetes workloads.
- Automate processes with Bash and Python scripting.
- Design, use, and maintain secure, performant RESTful and gRPC APIs.
- Implement caching, messaging queues, and event-driven architectures.
- Monitor, debug, and improve backend performance, reliability, and scalability.
- Build the platform and core components from scratch as a founding team member.
- Collaborate with frontend engineering, DevOps, and product teams.
- Troubleshoot production issues end to end and support production SaaS platforms.
- Contribute to security architecture spanning identity, AI agents, and automated enforcement.
Requirements
- 5+ years of Go experience.
- Hands-on coding experience building systems from scratch with familiarity across architectures.
- Hands-on experience with Docker, Kubernetes, and EKS containerized workloads.
- Experience designing RESTful and gRPC APIs, including frameworks such as Gin.
- Experience with messaging systems such as SQS and Kafka.
- Experience with CI/CD pipelines such as GitHub Actions.
- Experience operating PostgreSQL through RDS or Aurora and Neo4j or similar databases.
- Experience with AI agents, LLM-based systems, MCP, RAG, prompts, embeddings, and vector technologies.
- Experience with AWS Bedrock, LangChain, pgvector, or similar AI-stack technologies.
- Experience with Terraform and infrastructure as code.
- Experience with Grafana, OpenTelemetry, Prometheus, and observability practices.
- Experience with coding copilots such as Claude Code, GitHub Copilot, AWS CodeWhisperer, or Codex.
- Strong understanding of SaaS integrations and app-to-app permission flows.
- Experience in startup or scale-up environments and the ability to work with high ownership and speed.
- Strong problem-solving and collaborative communication skills, including excellent English.
- Preferred experience with Java, Python, AWS production environments, security architecture, identity security, or security engineering.
- Preferred familiarity with NIS2, DORA, ISO 27001, SOC 2, graph-based modeling, OAuth/OIDC, SSO, SCIM, RBAC/ABAC, IAM, CloudTrail, Azure Active Directory/Entra ID, SIEM platforms, Zero Trust, least privilege, and AI/LLM security.
- Preferred experience designing permission models, identity graphs, or access-control frameworks and working in cybersecurity or identity startups.
- Excellent German communication skills are a preferred qualification.
Benefits
- Founding-team equity through ESOPs.
- Competitive compensation with flexible early-stage arrangements.
- High autonomy and ownership of critical technical decisions.
- Opportunity to work with the Technical CEO and CPTO and progress toward leadership as the team scales.
- Fresh funding and immediate runway for company growth.
- Direct impact on the foundation of the entire platform.
- High-quality equipment and modern tools.
- Regular team offsites.
- Hybrid work arrangement in central Berlin.
Tech Stack
Apache KafkaAWSBashDockerElasticsearchGinGitHub ActionsGoGrafanagRPCJavaKubernetesNeo4jPostgreSQLPrometheusPythonRedisSplunkTerraform
Categories
About TechBiz Global GmbH
TechBiz Global GmbH provides IT recruitment, outstaffing, and custom software development for startups and enterprises, plus consulting around product building and scaling. The privately held company is headquartered in Berlin and was founded in 2021. It staffs engineering roles for clients and delivers outsourced development teams, supporting engagements across multiple countries.