Resume
Navin Sadanandan
Professional Summary
Staff Engineer with more than 8 years of experience building and managing core infrastructure, security, and data for high-growth FinTech and healthcare companies. Specializes in the intersection of software, security, and the metal.
Technical Skills
Core Languages: Python, Rust, Golang, Javascript
Operating Systems & Kernels: Linux (including kernel development), SeL4, Android, Windows, BSD
Networking & Security: VRRP, WireGuard, OpenVPN, IPSec, PKI, Cryptography, Firewall & Access Control Engineering
Frameworks, Libraries & Tools: Containers, K8s, Jenkins, Keycloak, Temporal, Spark
Infrastructure & Cloud: AWS, GCP, On-prem, Rackspace
Databases & Data Stores: PostgreSQL, Elasticsearch, Cassandra, Hudi, BigQuery
Practices & Methodologies: CI/CD, Distributed Systems, Compliance (PCI-DSS, HIPAA, SOC2), Infrastructure as Code (IaC), Site Reliability Engineering (SRE)
Operating Systems & Kernels: Linux (including kernel development), SeL4, Android, Windows, BSD
Networking & Security: VRRP, WireGuard, OpenVPN, IPSec, PKI, Cryptography, Firewall & Access Control Engineering
Frameworks, Libraries & Tools: Containers, K8s, Jenkins, Keycloak, Temporal, Spark
Infrastructure & Cloud: AWS, GCP, On-prem, Rackspace
Databases & Data Stores: PostgreSQL, Elasticsearch, Cassandra, Hudi, BigQuery
Practices & Methodologies: CI/CD, Distributed Systems, Compliance (PCI-DSS, HIPAA, SOC2), Infrastructure as Code (IaC), Site Reliability Engineering (SRE)
Professional Experience
Independent Researcher
Jan 2026 – Present
Self-Employed | Bengaluru, India
- Designed and built an automated systematic trading framework integrating Pandas, TA-Lib, and D3.js to execute multi-indicator trading strategies, position sizing, and quantitative risk management.
- Developing foundational kernel-level programming skills and experimenting with x86 assembly.
Staff Engineer
April 2023 – December 2025
Epifi / Fi | FinTech | Bengaluru, India
- Authored foundational architectural blueprints and security guidelines across platform teams, standardizing compliance and infrastructure usage for all engineers in the org (~50) .
- Architected and bootstrapped GCP from scratch, establishing organization hierarchy, secure networking, and transitioning from managed VPN to a cost-optimized, self-hosted Wireguard VPN bridging GCP and AWS .
- Engineered the core GCP data platform migration from Hudi/Snowflake to BigQuery, single-handedly provisioning Airflow, self-hosted PostgreSQL, and IaC automation while optimizing cross-cloud backup transfers .
- Configured enterprise CDC pipelines for PostgreSQL and CockroachDB (Vortex) alongside Kafka optimizations in collaboration with the data team .
- Maintained legacy Hudi/Snowflake data pipelines (Airflow/EMR) while simultaneously managing core AWS infrastructure, production compliance audits, and security controls .
- Acted as the primary technical authority for all security audits, ensuring 100% adherence to PCI-DSS and other critical compliance frameworks .
- Served as the organization's de-facto expert for mission-critical production incidents, utilizing deep-dive application code and infrastructure debugging .
- Provided guidance and mentorship to developers across the organization, fostering a culture of technical excellence and security-first development .
Senior Software Engineer (Infrastructure)
September 2021 – April 2023
Epifi / Fi | Fintech | Bengaluru, India
- Spearheaded infrastructure hardening, networking, and security across AWS (VPC, EC2, IAM) for a rapidly scaling engineering org of 100+ developers, serving as the sole infrastructure and security owner .
- Successfully navigated the company's first major compliance audit with a live production product, ensuring rigorous adherence to PCI-DSS standards .
- Architected secure, self-serve CI/CD deployment pipelines using Jenkins and automation scripts, enabling developers to independently provision S3 buckets, queues, and access controls under strict compliance parameters .
- Managed critical database and operating system upgrades, resolving complex cross-compilation and OS-level application failures (including Golang libraries dependent on low-level C libraries) .
- Coordinated external security penetration testing by configuring Burp Suite and guiding third-party auditors through the application architecture .
Technical Co-founder
October 2020 – January 2021
Automata Ventures | Autotech | Bengaluru,
India
- Designed core system architecture and developed initial prototypes for a B2B parking and mobility product, incorporating React frontend interfaces, React Native mobile apps, and IoT hardware integration.
Senior Systems Engineer & Infrastructure Lead
July 2018 – October 2020
Evive | Healthcare | Bengaluru, India
- Managed entire production infrastructure maintaining Elastic Stack, Cassandra, Vault, Consul, PostgreSQL, and Redis.
- Designed architecture for cloud migration from on-premise infrastructure while implementing security standards such as HIPAA and SOC2.
- Executed Production Backup Data Center migration and introduced Golang into the company.
DevOps Engineer & Systems Engineer
June 2016 – July 2018
Evive | Healthcare | Bengaluru, India
- Automated provisioning of 50-100 Linux servers and 10+ Windows servers via SaltStack, including core databases and monitoring services.
- Automated frontend CI/CD pipelines with Node.js and Webpack, and executed Production Main Data Center migration.
Education
B.Sc. in Chemistry, Botany, Zoology
2016
St. Joseph's College (Autonomous) | Bengaluru, India