Open to opportunities

christopher abella

@christopherabella3

Message

Backend-focused senior full stack engineer scaling cloud-native microservices and distributed systems.

Philippines

Message

What I'm looking for

I’m looking for a backend-leaning role where I can own cloud-native microservices and distributed systems—build secure, high-throughput APIs, improve reliability, and collaborate cross-functionally to deliver measurable outcomes.

I’m a backend-focused Senior Full Stack Engineer with 8+ years designing and scaling cloud-native platforms, microservices, and distributed systems across SaaS, fintech, and government technology. I lead backend architecture, build high-performance APIs, and deliver secure, resilient solutions that drive measurable business impact.

In my most recent role, I engineered microservices for a government procurement and bidding platform using Python (Django, FastAPI, Flask), achieving 99.99% uptime. I built a GraphQL layer to reduce over-fetching and improved performance by 30%, and I centralized contracting data by migrating 100,000+ records into MongoDB with real-time updates via Apache Kafka.

I also focus on reliability and security: I implemented OAuth2/JWT RBAC and mitigated potential data breaches by 65%, plus API throttling with Redis for 50+ concurrent client applications. Across earlier work, I delivered gRPC + Kafka services at 5,000+ TPS, built Go microservices supporting 2 million concurrent users, and established disaster recovery with AWS Backup for an RTO under 15 minutes.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Hireplicity, Inc.

Apr 2023 - Present (3 years 3 months)

Engineered Python-based microservices for a government procurement and bidding platform, achieving 99.99% uptime. Built a GraphQL querying layer, migrated 100,000+ records into MongoDB with Kafka-driven real-time updates, and improved security with OAuth2/JWT RBAC (65% breach risk reduction) plus Redis rate limiting for 50+ client applications.

Python Django fastAPI GraphQL MongoDB Apache Kafka WebSockets OAuth2 JWT RBAC Redis API Rate Limiting

Senior Full Stack Engineer

Global BrainForce

May 2019 - Mar 2023 (3 years 10 months)

Designed high-throughput fintech backend services in Java (Spring Boot) using gRPC and Apache Kafka, processing 5,000+ TPS with 85ms average latency and peak loads of 7,000 TPS. Integrated AWS Lambda (30% cost reduction, 50ms faster execution), automated infrastructure with Terraform (60% faster provisioning), and delivered fraud detection via event sourcing that reduced manual review workload by

Java Spring Boot gRPC Apache Kafka AWS Lambda Terraform MongoDB Splunk Event Sourcing

Software Developer

Chromedia Inc.

Jun 2018 - Apr 2019 (10 months)

Enhanced a microservices SaaS dashboard by building APIs in Node.js (NestJS) and improving automated API test coverage, reducing server response times by 150ms. Developed responsive React UIs with Tailwind CSS (20% faster mobile page loads), implemented Kafka/Redis event-driven communication (99.99% uptime), and automated provisioning for 50+ VMs with Terraform, cutting deployment time by 60%.