Backend Technical Lead

ABOUT INVISIA SOFTWARE

Invisia Software develops and operates digital products with an emphasis on dependable engineering, practical problem-solving and measurable product quality. Our teams build customer-facing applications and the services behind them, integrating external platforms and handling transaction-critical workflows.

THE OPPORTUNITY

We are looking for a hands-on Backend Technical Lead to take technical ownership of the backend services that support real-time availability, reservations, third-party integrations, payments and customer-facing APIs. You will design and write production code, guide backend engineers, strengthen reliability, and turn agreed product requirements into maintainable technical solutions. This is a technical leadership role, not a purely managerial or architecture-only position.

KEY RESPONSIBILITIES

Backend design and hands-on engineering

• Design, develop and evolve services, REST APIs, data models and asynchronous workflows using Node.js, TypeScript and AWS.
• Make sound technical decisions on DynamoDB access patterns, relational data, indexing, caching and queue-based processing; document important trade-offs.
• Build resilient integrations with external service providers, including timeout handling, retries, rate limits, idempotency and safe failure recovery.

Transaction correctness and platform reliability

• Own the technical integrity of reservation and payment workflows, including state transitions, duplicate prevention, callbacks/webhooks and recoverable failure scenarios.
• Implement controls and support operational reconciliation for transaction status, refunds and external-system mismatches; partner with the appropriate business and finance owners.
• Diagnose production issues using logs, metrics and traces; coordinate incident response, lead technical root-cause analysis and drive preventive fixes.
• Set and improve practical backend service objectives with engineering and DevOps, covering latency, errors, availability, capacity and cloud efficiency.

Technical delivery and team leadership

• Translate approved requirements into implementation designs, estimates, technical tasks and dependencies; raise risks early and deliver to agreed engineering commitments.
• Remain actively involved in development, complex debugging, design reviews and code reviews; unblock engineers without becoming a single point of failure.
• Mentor backend engineers, uphold clean code and secure engineering practices, and improve unit, integration and contract testing.
• Work closely with Product, TPM, Web/Mobile, QA and DevOps on API contracts, releases, incident prevention and end-to-end solution quality.
• Own backend-level technical decisions; align material architectural or platform changes with the designated Engineering Leader / CTO.

REQUIRED EXPERIENCE AND CAPABILITIES

• Strong recent production experience with Node.js and TypeScript, including personally designing and delivering complex backend services.
• Usually 8-12 years in backend engineering, including demonstrated technical leadership of engineers or critical services; proven ability matters more than tenure.
• Practical AWS experience, especially with relevant services such as Lambda, API Gateway, DynamoDB, SQS/SNS, RDS and CloudWatch.
• Good command of NoSQL and SQL data modeling, query optimization, consistency, caching and event-driven design.
• Experience with external APIs and transaction-critical workflows; understands idempotency, observability, failure modes and data integrity.
• Evidence of production troubleshooting, code quality improvements, automated testing and safe deployments.
• Clear technical communication, ownership of outcomes and the ability to make pragmatic decisions in a growing engineering team.

GOOD TO HAVE

• Experience with reservation, availability, inventory, e-commerce, marketplace or payment processing systems.
• Stripe, Redis, Datadog, infrastructure-as-code, CI/CD automation or comparable tooling.
• Experience improving a live platform incrementally while preserving service continuity.

WHAT SUCCESS LOOKS LIKE

• Within the first 90 days, develop a working understanding of critical backend services, map key failure and performance risks, and deliver prioritized improvements with the team.
• Establish meaningful service baselines, visible engineering-quality practices and clear technical ownership for important backend components.
• Over time, demonstrate measurable gains in transaction reliability, incident recurrence, API performance, code quality and predictable technical delivery.

SELECTION PROCESS

Introductory discussion and experience review; practical backend system-design / debugging exercise; deep technical discussion and code review; leadership and collaboration interview. We focus on evidence of work personally owned and problems solved.