Query Performance Optimization jobs

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

Citi · Posted Nov 10, 2026

Open

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

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

Citi · Posted Nov 10, 2026

Open

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

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 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

Sr. Associate, Data Analysis & Visualization (Data Analyst)

Alcon · Posted Nov 4, 2026

Open

Bangalore, India
Senior
4–7 years

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Responsible for using data science techniques to analyze data, create visualizations, and support data-driven solutions within Alcon's Analytics & Intelligence function.

Responsibilities

Perform specialized data analysis and visualization tasks
Conduct independent research to optimize outcomes
Utilize data science techniques such as statistical analysis and data mining to extract insights and create meaningful visualizations
Achieve goals through mainly self-directed work with potential oversight from management
Make decisions within the scope of assigned tasks

Requirements

Bachelor's degree
Master's degree
Nice to have: Tableau
Nice to have: Finance data sets
Nice to have: Healthcare industry

Skills

Advanced SQL ETL Data Flows Data Warehousing Data Modeling Query Performance Optimization Requirements Gathering