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The latest AI and developer news from Toss, with short summaries.

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In the AI era, high-performing organizations need Toss-style TPMs

Toss redefined the TPM role to solve boundary problems in the AI era.

·2026.05.14 09:00

Why Toss Payments Introduced PQC 10 Years Before Quantum Computers Arrive

Toss Payments upgraded its security protocols over 4 years and fully adopted PQC in 2026.

·2026.04.27 17:00

StarRocks Operations: Isolating Multi-Tenant Workloads with Resource Groups

Resource Groups in StarRocks were used to separate service, batch, and dashboard queries.

·2026.04.23 14:00

Introducing Toss Place's Data Bot 'PANDA': How Every Team Member Can Work Like a Data Expert

Toss Place automated repetitive queries with the AI data bot 'PANDA.'

·2026.04.23 12:00

Preparing for the Quantum Computing Era: Why Change Services 10 Years Early with Quantum-Resistant Cryptography?

Toss Payments introduced PQC into its payment services 10 years ahead of schedule without burdening merchants.

·2026.04.23 12:00

Extending Ad Frequency Capping Real-Time Aggregation to 7 Days with Apache Flink and RocksDB Tuning

Apache Flink and RocksDB tuning enabled real-time ad impression aggregation from 1 minute to 7 days.

·2026.04.16 11:00

Obsessed with Perfection - The Making of Toss Front 2

The development record of Toss's payment terminal Front 2, which obsessed over perfection to redesign NFC, replaceability, and internal structure all at once.

·2026.04.09 11:00

Layers of Time: Celebrating Time Together with Toss

Toss transformed its 1st–10th anniversary gifts into a lighting fixture that builds up layer by layer, designing an experience that celebrates time itself.

·2026.04.07 18:00

Why Toss reduced its design roles to 2

Toss consolidated its previously 6-way divided design roles into 2: Product Designer and Visual Designer.

·2026.04.03 10:00

97% Smaller, 2x Faster: How es-toolkit Surpassed 10 Million Weekly Downloads

es-toolkit is an ES Modules- and TypeScript-based utility library that replaces lodash.

·2026.04.01 10:00

Driving Execution with Metric Review

Toss Place connects metric analysis to execution through Metric Review.

·2026.03.25 10:00

Automating Service Vulnerability Analysis with LLMs #2

MCP, SAST, Multi-Agent, and Open Model were combined to improve both the accuracy and cost of vulnerability analysis.

·2026.03.20 10:00

Entering the Era of Software 3.0

LLMs can only perform real work when there is a harness and layered design in place.

·2026.03.17 12:00

Foreign User Research: Why Did Canadian User B Fail Toss Authentication

Foreign users hit walls with name formats and address input, leading them to give up on Toss sign-up and authentication.

·2026.03.06 10:00

Experiment design know-how every junior designer should know

Start with screens you can validate quickly, and test one clear hypothesis at a time.

·2026.02.27 11:00

Designing an Easy-to-Use Toss Front SDK

Toss Place used the Facade pattern to design a Toss Front SDK focused on user intent, improving developer experience and stability.

·2026.02.26 14:00

The Software 3.0 Era: Raising the Floor of Organizational Productivity through Harness

This piece proposes a strategy to level up an organization's LLM utilization capability by leveraging Claude Code's plugins and marketplace.

·2026.02.26 10:00

From Perimeter Security to Zero Trust: A Security Advancement Journey

Toss Payments introduces the phased security advancement process it built in a hybrid IDC and AWS environment.

·2026.02.10 11:00

6 Principles for Boosting Marketing Copy Click-Through Rates

Toss shared 6 principles for writing marketing copy that maximizes click-through rates without deceiving users.

·2026.01.30 10:00

Entering the Software 3.0 Era

This analyzes AI agents, the core of the Software 3.0 era, from the perspective of the existing layered architecture.

·2026.01.26 14:00