Backend Systems Architect
TestZeusBengaluru, Republic Of India, IN23 hours ago
Job descriptionImplement and operate Kafka or RabbitMQ pipelines for job queues, ingestion, and telemetry. Design and optimise PostgreSQL schemas, indexes, and queries for performance and reliability. Use Redis (or similar) for caching, rate limiting, and ephemeral data patterns. Containerise services using Docker and orchestrate them using Kubernetes (Helm / Kustomize). Set up and maintain CI / CD pipelines (GitHub Actions or similar) and infrastructure-as-code (Terraform). Establish observability : metrics, logs, and traces via Prometheus, Grafana, ELK / EFK or equivalents. Define SLOs, alerts, and incident playbooks , and lead post-mortems in a blameless manner. Plan and implement horizontal scaling , blue-green / rolling deployments, and capacity management. Manage secrets, TLS, and secure configurations , working with cloud-native security best practices. Conduct cost, performance, and capacity reviews to keep the platform efficient as it grows. Expose and consume backend endpoints for LLM evaluation, vector search (Pinecone / Weaviate / mem0), and feedback loops . Collaborate closely with AI engineers to integrate agents with backend services and event pipelines. Ensure backend systems are agent-ready : idempotent, observable, and robust to retries and failures. Lead 2–3 backend / DevOps engineers through design docs, code reviews, and technical decision-making. Drive post-mortems and architectural discussions, fostering a blameless, learning-first culture . Partner with frontend and AI teams to deliver user-visible features end-to-end. Communicate clearly with founders and product stakeholders on trade-offs, timelines, and risks. B.E. / B.Tech / M.S. in Computer Science or a related field, or equivalent practical experience. 4–7 years of total experience, strongly back-end-centric . Experience in leading projects or mentoring engineers (formal or informal leadership). Backend Engineering 4–5 years building production microservices in Go and Python (FastAPI / Flask or similar). Proven delivery of at least one high-concurrency, production-facing service . Event & Data Stack Hands-on experience with Kafka or RabbitMQ for queues and event pipelines. Strong PostgreSQL design skills (schemas, indexing, performance tuning). Practical usage of Redis (or equivalent) for caching and transient data. DevOps & Reliability Solid experience with Kubernetes & Docker for deploying and managing services. Ownership of CI / CD pipelines (GitHub Actions or similar). Familiarity with monitoring & observability tools such as Prometheus, Grafana, ELK / EFK. Experience integrating with LLM services or vector databases (Pinecone, Weaviate, pgvector, mem0, etc.). Exposure to compliance-heavy or multi-region systems (data residency, failover, etc.). Prior experience in high-scale, SaaS, or developer-tools companies. Impact & Ownership Power thousands of autonomous tests daily by owning the backend core of Hercules. Influence architecture, tooling, and engineering culture from an early stage. Competitive Compensation & Equity Market-aligned salary with meaningful stock options . Growth & Learning Deep exposure to Kubernetes, cost-optimised cloud infra, AI integrations, and event-driven architectures . Support for conferences, learning budgets, and open-source contributions . Collaborative Culture Work in small, focused squads with direct access to founders. Health cover, PTO, and a Bangalore workspace optimised for high-bandwidth collaboration. Your CV Your Current and Expected CTC Years of experience in Backend Engineering (specifically with Python and Go ) Links to Public Work (e.G., GitHub, Medium, personal website) We’re excited to hear from you!
Lead Backend Engineer ( Python, Go)
Location : Bangalore (Office)
Experience : 4-7 years (Senior-level)
Role Type : Full-time (Tech Lead)
About TestZeus
TestZeus is pioneering the next generation of autonomous software testing with AI agents. We’re the team behind Hercules, the world’s first open-source testing agent. We combine large language models, multi-agent orchestration, and retrieval pipelines to deliver zero-maintenance testing for web and API workloads. We are seeking a Lead Backend Engineer who can own the engine that powers Hercules : distributed microservices, event-driven pipelines, and reliable APIs. You’ll lead a small backend / DevOps pod, balance Python agility with Go performance, and ensure our platform is robust, observable, and scalable.
Key Responsibilities
1. Backend Architecture & Microservices
- Design and build production microservices in Go (high-throughput workloads) and Python (FastAPI / Flask for developer-friendly APIs).
- Define and maintain gRPC / REST contracts , authentication / authorization flows, and rate-limiting strategies.
- Own database migrations and schema evolution for services in production.
2. Eventing & Data Layer
3. DevOps, Reliability & Observability
4. Scalability, Security & Cost
5. AI / Agent Platform Integration
6. Leadership, Mentorship & Collaboration
Qualifications & Skills Education
Experience
Must-Have Skills
Nice-to-Have
Why Join TestZeus?
Application Process
To apply, please share the following details with us :
📬 Submit all the above to : hiring@testzeus.com
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System Architect • Bengaluru, Republic Of India, IN
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