Query performance optimization jobs

KDB+ Developer, Equities Electronic Trading Analytics

Citi · Posted Nov 11, 2026

Open

Singapore, Singapore
Hybrid
Full-time · Senior
3–8 years

KDB+ Developer, Equities Electronic Trading Analytics

Citi · Posted Nov 11, 2026

Open

Singapore, Singapore
Hybrid
Full-time · Senior
3–8 years

KDB+ Developer, Equities Electronic Trading Analytics (Assistant Vice President)

Citi · Posted Nov 11, 2026

Open

Singapore, Singapore
Hybrid
Full-time · Senior
3–8 years

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Senior KDB+ developer responsible for building and supporting high‑frequency, low‑latency analytics systems for Equities Electronic Trading.

Responsibilities

Design, develop, and maintain business‑critical high‑frequency/low‑latency systems on the KDB+ platform
Build and maintain data platforms for analytics generation and trading
Partner with product and technology teams to integrate functions and deploy new products
Resolve high‑impact problems and develop coding, testing, debugging standards
Leverage AI‑powered development tools to enhance productivity and code quality

Requirements

Bachelor's degree/University degree or equivalent experience
Nice to have: Markets Electronic Trading
Nice to have: Market Making domains

Skills

KDB+Q language FIX protocol load‑balancing high‑availability architectures query performance optimization

Senior KDB+ Developer, Equities Electronic Trading Analytics (Vice President)

Citi · Posted Nov 10, 2026

Open

Kowloon, Hong Kong
Hybrid
Full-time · Senior
5+ years

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Lead design, development, and delivery of high frequency/low latency KDB+ systems for equities electronic trading.

Responsibilities

Design, develop, and maintain business-critical high frequency/low latency systems on the KDB+ platform
Build and maintain data platforms for analytics generation and trading
Integrate functions and deploy new products and process improvements
Resolve high impact problems and maintain coding standards
Leverage AI-powered development tools

Requirements

Bachelor's degree/University degree or equivalent experience
Nice to have: Markets Electronic Trading
Nice to have: Market Making domains

Skills

KDB+Q language FIX protocol high availability load balancing query performance optimization AI-powered development tools

Senior KDB+ Developer, Equities Electronic Trading Analytics (Vice President)

Citi · Posted Nov 10, 2026

Open

Kowloon, Hong Kong
Hybrid
Full-time · Senior
5+ years

Apply with RefersoAI Apply on careers page

Lead design, development, and maintenance of high‑frequency, low‑latency KDB+ systems for equities electronic trading analytics.

Responsibilities

Design, develop, and maintain business‑critical high‑frequency/low‑latency KDB+ systems
Build and maintain data platforms for analytics generation and trading
Partner with management teams to integrate functions and deploy new products
Resolve high‑impact problems and develop coding, testing, debugging, and implementation standards
Leverage AI‑powered development tools to enhance productivity and code quality

Requirements

Bachelor's degree/University degree or equivalent experience
Nice to have: Markets Electronic Trading
Nice to have: Market Making domains

Skills

KDB+Q language FIX protocol high‑frequency/low‑latency systems load‑balancing high‑availability architectures

Senior Software Engineer

Find Your Talent (FYT) · Posted Aug 11, 2026

Open

United States
Senior
4+ years

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Senior Software Engineer responsible for designing, building, and scaling the core backend systems and microservices that power the freight and LTL carrier network.

Responsibilities

Own the core applications and algorithms that power freight and LTL carrier network
Design, build, and ship critical backend systems for carrier profiles, fleet management, schedules, and onboarding workflows
Architect marketplace mechanics for automated dispatch, matching shipments to carriers, scoring assignments, and managing offer expirations
Integrate routing, pricing, and payout rules to ensure on-time shipments and accurate financial pipelines
Debug production issues, ship API endpoints and database migrations, and operate background jobs and event‑streaming workflows

Skills

Backend development Distributed systems architecture Microservices Event‑driven data pipelines Kafka Redis PostgreSQL

Senior Data Architect

Zensar · Posted Nov 5, 2026

Open

Bengaluru South, Karnataka, India
Senior
10+ years

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Lead the architecture and design of Finance data platforms and data products at scale, focusing on transactional finance data systems and OLTP data modeling.

Responsibilities

Define and own the architecture for Finance transactional data platforms and core Finance datasets
Design enterprise-grade OLTP data models using MySQL and PostgreSQL
Model complex Finance domains such as payments, settlements, accounting, ledgers, reconciliation, financial events, adjustments, and reporting inputs
Define table grain, primary keys, foreign keys, indexes, constraints, partitioning strategies, retention policies, and historical tracking approaches
Establish standards for normalized data structures, transactional integrity, auditability, idempotency, and data consistency

Skills

OLTP data architecture MySQL PostgreSQL Hive Spark data warehouse technologies SQL