I am a backend-focused engineer with 8+ years of experience designing, building, and scaling backend systems for high-growth startups across Southeast Asia. I lead technical decisions, evolve system architectures, and deliver reliable backend solutions across fintech, edtech, healthtech, and logistics. I excel at collaborating with product managers to translate ideas into scalable tech, guide teams through architecture changes, and optimize performance and costs. I thrive in fast-paced environments and enjoy building robust, observable systems from monoliths to microservices.

Angky Crysna

I am a backend-focused engineer with 8+ years of experience designing, building, and scaling backend systems for high-growth startups across Southeast Asia. I lead technical decisions, evolve system architectures, and deliver reliable backend solutions across fintech, edtech, healthtech, and logistics. I excel at collaborating with product managers to translate ideas into scalable tech, guide teams through architecture changes, and optimize performance and costs. I thrive in fast-paced environments and enjoy building robust, observable systems from monoliths to microservices.

Available to hire

I am a backend-focused engineer with 8+ years of experience designing, building, and scaling backend systems for high-growth startups across Southeast Asia. I lead technical decisions, evolve system architectures, and deliver reliable backend solutions across fintech, edtech, healthtech, and logistics.

I excel at collaborating with product managers to translate ideas into scalable tech, guide teams through architecture changes, and optimize performance and costs. I thrive in fast-paced environments and enjoy building robust, observable systems from monoliths to microservices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Advanced
Indonesian
Fluent

Work Experience

Senior Backend Engineer at Little Lives Inc Pte Ltd
September 1, 2024 - Present
Designed backend services using DDD, event-driven architecture, and CQRS. Implemented event sourcing to improve auditability of financial data. Owned billing modules including invoices, receipts, credit notes, refunds, and ledger posting. Optimized database queries using indexing, materialized views, and query tuning, reducing average latency by 3-5x.
Tech Lead at PT Teknologi Usaha Nusantara (brooom.id)
February 1, 2023 - September 30, 2024
Led and executed PoC initiatives for third-party integrations. Worked closely with Product Managers to translate PRDs into feasible technical solutions. Advised on technical trade-offs, balancing stakeholder needs with engineering effort, scalability, and long-term maintainability. Performed cost and performance analysis during feature design, optimizing API contracts and database queries to prevent infrastructural cost overruns. Improved deployment efficiency by transitioning from environment-based branching with cherry-pick promotion to trunk-based development, reducing deployment lead time by ~30%.
Senior Backend Engineer at PT Teknologi Usaha Nusantara (brooom.id)
July 1, 2022 - September 30, 2024
Implemented Backend for Frontend (BFF) layer per client, reducing frontend complexity. Built a scalable monolith and progressively migrated 13+ domains to microservices to support team scaling. Developed a real-time search engine using Redis Search, reducing latency by ~5x. Integrated payment gateway, eKYC, logistics, and AI-based document processing services (OCR and IDP) to automate and scale backend workflows. Replaced Tokan logistics SaaS with an internal logistics system, cutting platform costs by ~90%.
Integration Solution Software Engineer at PT Adi Sarana Logistik (titipaja.id)
March 1, 2022 - June 30, 2022
Designed and maintained API integrations between internal WMS/OMS and external platforms such as marketplaces and social commerce channels. Designed back-office systems to support operational and reporting needs, enabling visibility into orders, inventory, and fulfillment metrics.
Software Engineer at Health Beats Pte Ltd
April 1, 2019 - June 30, 2022
Collaborated with Product Owners to deliver features for a global health care platform. Provided production and technical support across multiple time zones. Designed and developed backend APIs aligned with business requirements. Developed mobile and web frontend applications. Audited third-party dependencies using Snyk to reduce security risks. Migrated production data from MongoDB to Mongo Atlas.
Trainer & IT System Specialist at Miracle Training Center (MTC)
February 1, 2016 - January 31, 2019
Designed, developed, and maintained MTC's database and website. Provided public speaking training to children up to employee level. Trained English to children up to student level for beginner and intermediate levels.

Education

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Qualifications

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Industry Experience

Software & Internet, Financial Services, Healthcare, Education, Transportation & Logistics