Query optimization Jobs in Illinois

Refine Results
1 - 20 of 71 Jobs

Senior Python Developer

Simple Solutions

Remote

Contract, Third Party

Senior Python Developer100% REMOTEContract role We are seeking a skilled Senior Python Developer with expertise in data manipulation, SQL, and handling large data repositories. The ideal candidate will be responsible for developing efficient data processing solutions, optimizing database queries, and ensuring seamless integration of large datasets. Must-Haves: Minimum 5 years of software engineering delivery using event-driven architectures and Python Minimum 2 years of working with Micro Svc's

.NET Core Developer

Rose International

Chicago, Illinois, USA

Full-time

Date Posted: 05/30/2025 Hiring Organization: Rose International Position Number: 483487 Industry: Financial Services Job Title: .NET Core Developer Job Location: Chicago, IL, USA, 60604 Work Model: Hybrid Work Model Details: Hybrid: 3 days onsite Shift: 8am to 5pm CST Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 12 Min Hourly Rate($): 80.00 Max Hourly Rate($): 85.00 Must Have Skills/Attributes: .Net, Docker, Kafka, Kubernetes Experience Desired: Experienc

DB2 Database Architect

COOLSOFT

Remote

Contract

Role: DB2 Database Architect Location: Remote Client: ValueMomentum Inc Responsibilities: A DB2 Architect responsible for managing and maintaining IBM DB2 databases, ensuring that they are running efficiently and securely. Knowledge of integration of DB2 databases on various platforms (IIB, ETL, JAVA etc.). SQL & Query Optimization standards: Proficiency in writing complex SQL queries and optimizing SQL Queries for finetuning performance issues. Knowledge of the DB2 query optimization process, w

Sr Full Stack

GovCIO

Remote

Full-time

Overview GovCIO is hiring an experienced software engineer to manage application processes and maintenance for complex conceptual data at the Department of Veterans Affairs. This role requires knowledge of SQL Server, Oracle, and database design to include s oftware maintenance and system enhancements. This position is fully remote within the United States. Responsibilities Lead efforts for applications managing complex conceptual data in C#, .NET, and SQL Server environments. Develop and opt

Linux Engineer/ Trading

Motion Recruitment Partners, LLC

Chicago, Illinois, USA

Full-time

Exciting job opportunity for a Linux Engineer in Chicago's competitive trading technology sector. You will directly impact high-performance trading systems, while working for a leading financial technology firm specializing in proprietary, latency-sensitive trading platforms that demand technical excellence and operational precision. This is a rare opportunity to work at the intersection of finance and cutting-edge technology where microseconds matter! They are seeking a talented Linux engineer

Senior Backend Engineer

Kforce Technology Staffing

Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a

Data Warehouse Architect

Dilytics Inc

Remote

Third Party, Contract

Job Title: Data Warehouse Architect Client: State client Location: Sacramento, California (Remote Local candidates preferred) Duration: Long Term Job Description We are seeking an experienced Data Warehouse Architect to support a critical project for the State of California. The role will primarily be remote, but candidates local to Sacramento, CA will be given strong preference. Minimum Qualifications (MSQs): 1. Must have a minimum of eight (8) years of experience in dimensional modeling, data

Data Engineer

GovCIO

Remote

Full-time

Overview GovCIO is hiring a Data Engineer and Architect to lead the modernization of legacy software systems for complex conceptual data at the Department of Veterans Affairs. The candidate will work closely with leadership, architects, and business stakeholders to develop and implement strategies for transitioning outdated applications to secure, scalable, and resilient . This position is fully remote within the United States. Please note: The contract has been awarded; however, this position

Oracle DBA

Kforce Technology Staffing

Remote or New York, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Oracle DBA in New York, NY. Responsibilities: * Database Administration: Manage and maintain Oracle databases, ensuring high availability, security, and reliability * AWS Integration: Deploy, configure, and manage Oracle databases on AWS, leveraging AWS services for scalability and performance * Oracle GoldenGate: Implement and manage Oracle GoldenGate for real-time data replication and integration across heterogeneous environments * Perf

Data Warehouse Architect

Link Technologies

Remote

Contract

JOB-7269Data Warehouse ArchitectREMOTEContractLink Technologies (LinkTechConsulting.com), a Las Vegas based IT consulting firm, is currently seeking a Data Warehouse Architect to join our team. Employer asks for I-9 information. QUALIFICATIONS Minimum eight (8) years of experience in data warehousing, business intelligence architecture, or enterprise data modeling.Extensive hands-on experience with Microsoft SQL Server, including data warehouse design and schema development.Proficient in cloud-b

Full Stack Developer (Node)

DRC Systems USA LLC

Remote

Contract

Overview: Looking for a Full Stack Developer with experience in the logistics or transportation industryTop Skills Required Java, Node.js, AWS , Angular OR React.js) MySQL - Strong knowledge of MySQL databases, including schema design and query optimization. New Relic OR similar for application performance monitoring and logging. Background in logistics, transportation, or freight rate management systems.

Full Stack Developer

Horizontal Talent

Remote

Contract

Are you a talented Full Stack Developer looking for an exciting opportunity to work remotely? Join our team and leverage your skills in Angular and Java Spring Boot to build and maintain cutting-edge applications. Responsibilities Design, develop, and maintain scalable full-stack applications using Angular and Java Spring Boot. Build and optimize responsive, high-performance UI components using Angular, TypeScript, and NgRx/Redux. Develop RESTful APIs with Spring Boot, Hibernate/JPA, and ensure

Java developer

Biztec Global LLC

Remote or Austin, Texas, USA

Contract, Third Party

Title: Software Engineer Location: Remote or Austin, Texas Mandatory Skills: Backend Java, microservices, Spring Boot, TDD Required skills: Spring, Spring Boot, SQL, Microservices, AWS, Backend Development, Kafka, TDD (Test Driven Development) KEY RESPONSIBILITIES Design and Development: o Design, develop, and maintain backend systems using Java (e.g., Spring, Hibernate), ensuring scalability, performance, and maintainability. o Create and optimize SQL queries and ensure efficient data retrieval

Associate Data Engineer

CVS Health

Remote or Hartford, Connecticut, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Microsoft Dynamics CRM Dev Manager

Alight Solutions LLC

Illinois, USA

Full-time

Microsoft Dynamics CRM Dev Manager Are you a technologist who's passionate about building complex systems? Are you an accomplished, visionary executive with a proven track record in optimization? Our Story At Alight, we believe a company's success starts with its people. At our core, we Champion People, help our colleagues Grow with Purpose and true to our name we encourage colleagues to "Be Alight." Our Values Champion People - be empathetic and help create a place where everyone belongs.

Software Engineer Staff

Lockheed Martin Corporation

Remote or Colorado Springs, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Sr. Network and Cloud Architect

McKesson Corporation

Remote or Irving, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

Senior Database Engineer (Remote)

Cisco Systems, Inc.

Remote

Full-time

Applications are accepted until further notice At Cisco Meraki, we know that technology can connect, empower, and drive us. Our mission is to simplify technology so our customers can focus on what's most important to them: their students, patients, customers, and businesses. We're making networking easier, faster, and intelligent with technology that simply works. The modern world runs on the internet, and the internet cannot exist without its underlying infrastructure. Meraki makes setting up

Data Engineer - Retail Analytics Engineering

CVS Health

Remote or Irving, Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Senior .NET Developer / Hybrid / Chicago, IL

Motion Recruitment Partners, LLC

Chicago, Illinois, USA

Full-time

Founded in 2018, this ticketing company is a leader in the live events industry. They specialize in optimizing the management, pricing, and distribution of ticket inventory for major ticket brokers, sports teams, and venues across the country. Their flagship product provides real-time integrations with top secondary markets offering advanced features such as automated pricing tools, robust data analytics, and customizable distribution settings to maximize profitability and efficiency for their c