Referso Jobs

Backend Engineer

PayPay · Posted Oct 20, 2025

Open

Japan
Hybrid
Full-time
4+ years
Visa sponsorship

Backend Engineer

PayPay · Posted Oct 20, 2025

Open

Japan
Hybrid
Full-time
4+ years
Visa sponsorship

Principal Software Engineer

PayPay · Posted May 17, 2023

Open

Hybrid
Full-time · Principal
7+ years
Visa sponsorship

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Lead and architect large-scale distributed systems for PayPay’s high‑scalability, high‑availability platforms.

Compensation

Annual salary paid in 12 installments (monthly)

Responsibilities

Design, develop, test, deploy, maintain and improve software and core platform
Lead technical aspects for multiple projects through hands‑on execution and guidance of other engineers
Provide architectural blueprints and technical leadership
Provide input and guidance during all phases of programs to solve challenging technical issues
Build common platforms to support different business vertical application systems

Requirements

Degree in Computer Engineering or Computer Science
Nice to have: Experience in finance or payment industry
Nice to have: Experience with AWS services
Nice to have: Contribute to open‑source projects
Nice to have: Japanese language ability

Skills

Java Kotlin Scala Spring Boot JUnit

Principal Staff Software Engineer, Data Infrastructure

LinkedIn · Posted Nov 4, 2026

Open

Mountain View, California, United States
Hybrid
Full-time · Staff
$231K–$378K per year
10+ years

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A highly technical leadership role focused on database performance and efficiency optimization across online and offline data infrastructure, specifically focusing on relational systems and large-scale distributed systems.

Compensation

$231,000 to $378,000

Responsibilities

Set technical direction for database performance and efficiency optimization across LinkedIn’s online and offline data infrastructure.
Lead improvements to database and offline systems, including query planning and execution, indexing, storage, and application access patterns.
Diagnose performance bottlenecks across application, database, and storage layers, and drive improvements in latency, throughput, resource utilization, and infrastructure cost.
Extend optimization approaches across offline analytical, nearline, streaming, and batch systems, identifying opportunities to improve query execution and storage efficiency.
Shape architectures that connect online transactional and offline analytical systems, including query federation and converged data platforms.

Requirements

BA/BS degree in Computer Science or a related technical field
Nice to have: Master’s or PhD in Computer Science
Nice to have: query optimizers
Nice to have: execution engines
Nice to have: storage engines

Skills

database internals

Cloud Platform Engineer (DB Specialist)

PayPay · Posted Jun 28, 2023

Open

Hybrid
Full-time
5+ years
Visa sponsorship

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Cloud Platform Engineers who specialize in databases at scale on mission critical systems.

Compensation

Annual salary paid in 12 installments (monthly)

Responsibilities

Database operations, including monitoring, configuration management, upgrade, scaling, backup, and data migration.
Iterate on database operations to improve quality and efficiency
Troubleshoot stability and performance problems
Contribute to documentation for communicating knowledge, experience and for effective decision-making
Research and test new tools in database ecosystems, and adopt them in PayPay Group.

Requirements

Nice to have: Jenkins
Nice to have: Ansible
Nice to have: Docker
Nice to have: Kubernetes
Nice to have: remote environment

Skills

DBA experience MySQL PostgreSQL AWS IaC Terraform Python

Backend Engineer

Backend Engineer

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Principal Software Engineer

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Principal Staff Software Engineer, Data Infrastructure

Compensation

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Requirements

Skills

Cloud Platform Engineer (DB Specialist)

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Skills

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TiDB jobs

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