Senior Software Engineer (Backend)

About BreachLock

• BreachLock is a fast-growing cybersecurity company focused on modern, scalable, and continuous security testing
• solutions. We operate at the intersection of offensive security, automation, and cloud-native engineering—building
• systems that are both resilient and intelligent.

Role Overview

• We are looking for a Senior Backend Engineer with strong fundamentals and a builder mindset to help design and
• scale backend systems powering our cybersecurity platform. This role involves working on distributed systems, APIs,
• and data-intensive applications in a fast-paced startup environment.

Key Responsibilities

• ● Design, develop, and maintain scalable backend services and APIs
• ● Build and optimize microservices-based architectures
• ● Work with graph and relational databases to model complex security data
• ● Own end-to-end delivery of features—from design to deployment
• ● Collaborate with product, frontend, and security teams
• ● Improve system performance, reliability, and observability
• ● Participate in system design discussions and technical decision-making

Tech Stack

• ● Languages & Frameworks: Python, FastAPI, Django
• ● Databases: PostgreSQL, MongoDB, Dgraph
• ● Infrastructure: GCP, Kubernetes
• ● Streaming & Messaging: Kafka
• ● Architecture: Microservices

Required Skills

• ● 3–4 years of backend development experience
• ● Strong proficiency in Python and modern backend frameworks
• ● Solid understanding of system design principles and distributed systems
• ● Experience with microservices architecture
• ● Hands-on experience with PostgreSQL and/or MongoDB
• ● Familiarity with event-driven systems (Kafka or similar)
• ● Experience deploying and managing applications on GCP
• ● Understanding of containerization and orchestration (Docker, Kubernetes)
• ● Strong debugging, problem-solving, and performance optimization skills

Good to Have

• ● Experience with graph databases (Dgraph or similar)
• ● Exposure to cybersecurity domain or security tooling
• ● Knowledge of observability tools (logging, tracing, monitoring)
• ● Experience working in high-growth startups

What We’re Looking For

• ● Ownership mindset—you build, ship, and improve
• ● Ability to work in ambiguous, fast-moving environments
• ● Strong communication and collaboration skills
• ● Bias for action and continuous learning

Why Join Us

• ● Work on real-world cybersecurity challenges at scale
• ● Opportunity to influence architecture and core systems
• ● High ownership and impact from day one
• ● Fast-paced startup environment with strong growth potential