Performance Tuning jobs in Buffalo Grove, IL

Vernon Hills, Illinois

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Today

Location: Vernon Hills, IL Salary: $120,000.00 USD Annually - $140,000.00 USD Annually Description: Overview We're looking for a hands-on Oracle DBA with deep Oracle EBS expertise to help drive the evolution of a next-generation data platform. This is not a traditional DBA role - the majority of your time will be spent on modernization initiatives including automation, platform engineering, and cloud-aligned architecture. If you're a DBA who wants to stay relevant in today's market and grow

Contract

USD 120,000.00 - 140,000.00 per year

Sr Oracle EBS Admin / Hybrid in Lincolnshire, IL / Linux / WebLogic

Lincolnshire, Illinois

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Today

A global technology company is seeking a Data Platform Engineer (Oracle EBS Application DBA) for a full-time position based in Lincolnshire, IL (hybrid, 3 days onsite). The role sits within an internal IT organization responsible for maintaining and evolving a large-scale Oracle environment, including Oracle E-Business Suite (12.2.x), Oracle Database (19c RAC), and WebLogic on Linux. This position combines application DBA responsibilities with broader platform support across both on-premise and

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Full-time

$120000 - $141000

Full Stack .Net Engineer / Hybrid / Chicago / Northwest Suburbs

Schaumburg, Illinois

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Today

A large enterprise organization is seeking a Full Stack .NET Application Developer to support the development and modernization of web applications. This is a hybrid contract-to-hire role based in Northwest suburbs of Chicago (2 days onsite) working with .NET Core, C#, Angular, and modern web technologies. This role is ideal for a hands-on developer who enjoys working across the full stack and contributing directly to production systems. The team is looking for someone who can work independently

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Contract

$45 - $55

Senior Data Engineer

Waukegan, Illinois

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Today

Senior Data Engineer Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Fuel the future of data engineering and analytics for our growing North American company! As a Senior Data Engineer at Uline, you'll play a pivotal role in constructing and maintaining our new, cutting-edge data collection systems and analytics platform. Careers Packed with Potential. Backed by 45+ years of success, Uline offers opportunities to grow your career with stability you can count

Full-time

USD 96,000.00 - 148,000.00 per year

Junior C++ Developer

Chicago, Illinois

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Today

We are seeking aspiring C++ engineers to join our Systematic technology team, focused on building modern low latency, high availability research and trading infrastructure. Key Responsibilities Design & Development: Architect, develop, and optimize low latency trading components and infrastructure, with a focus on performance, reliability, and scalability. Market Access: Integrate and maintain connectivity to global exchanges and liquidity venues. Develop and maintain order management systems (

Full-time

GPU Systems Engineer - NYC / London / Chicago- Innovative Algo Trading

Chicago, Illinois

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11d ago

This is one of the world's leading algorithmic trading firms, looking for engineers with large-scale Linux expertise to take on a high-impact role with broad scope, covering everything from HPC/AI cluster design & performance tuning, to troubleshooting and automation for thousands of nodes. Joining the R&D team, this role offers motivated engineers the opportunity to design, build, and optimize large-scale infrastructure, including triple-digit petabyte-scale storage and massive CPU and GPU clus

Full-time

US Supplier Delivery Consultant - Engineering Lifecycle Management

Chicago, Illinois

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Today

We are looking for a highly skilled Resident Engineer to support a large-scale application modernization initiative involving the migration of 20+ applications from Tradition WebSphere Application Server (WAS) to Open Liberty/WebSphere Liberty. Ability to implement, install, configure, customize, upgrade, migrate, develop, or design Engineering Lifecycle Management (ELM) solutions. Support the move from non-production to production environment and participate in knowledge sharing for self-suffi

Full-time

MDM data analyst

Chicago, Illinois

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Today

Job Title: MDM data analyst Location: Chicago, Illinois (Onsite-Hybrid) Mode of Hire: Contract Job Description: A senior Data Analyst with approximately 70% technical expertise (SQL, Python, Data Analysis, Data Lineage) and 30% business acumen, capable of independently engaging with business stakeholders, understanding requirements, investigating data issues, and providing data-driven solutions in a banking environment. Strong hands-on expertise in SQL (advanced querying, joins, performance o

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Full-time, Contract, Third Party

Tableau Developer

Chicago, Illinois

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Today

Position: Tableau Developer Location: Chicago, IL Key Responsibilities Dashboard Development: Design executive, operational, and regulatory reporting dashboards using Tableau Desktop, Server, and Cloud. Data Modeling: Build reliable data connections, semantic layers, and complex calculated fields. Security & Governance: Configure strict user access permissions and row-level security mapped to banking compliance rules. Performance Tuning: Optimize slow-loading workbooks, heavy extracts, and larg

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Contract

Senior iOS Engineer / FitnessTech

Chicago, Illinois

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Today

A rapidly growing consumer technology company in the health and wellness space is hiring a full-time Senior iOS Software Engineer. This remote opportunity offers the chance to work on a category-defining connected hardware platform supported by advanced mobile applications, artificial intelligence, and biometric technology. The team builds primarily with Swift, SwiftUI, and Combine to deliver a premium user experience across a global customer base. This position offers the opportunity to influen

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Full-time

$180000 - $210000

Jr. Data Engineer – Databricks / PySpark / Power BI

Lincolnshire, Illinois

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3d ago

Role: Jr. Data Engineer Databricks / PySpark / Power BI Location: Lincolnshire, IL Onsite Duration: 12 Months Job Overview:We are seeking an experienced Data Engineer to take ownership of enterprise data engineering, analytics, and production support initiatives. This is a hands-on technical role requiring strong expertise in SQL, Databricks, PySpark, and Power BI, along with the ability to work directly with client stakeholders and coordinate distributed/offshore engineering teams. The ideal

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Contract

Depends on Experience

Azure Integration Services Consultant (with TIBCO- experience)

Waukegan, Illinois

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2d ago

We are seeking an experienced Azure Integration Services Consultant (with TIBCO experience) to join a large-scale enterprise integration modernization program. This role sits at the intersection of legacy middleware operations and cloud-native integration architecture: the consultant will develop and enhancing enterprise integration using TIBCO BusinessWorks (BW) 5.x integration landscape while simultaneously designing, building, and migrating integrations to Microsoft Azure Integration Services

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Contract

Depends on Experience

Embedded Software Engineer III

Buffalo Grove, Illinois

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Today

Company Description Job Description It's not just about your career or job title It's about who you are and the impact you will make on the world. Because whether it's for each other or our customers, we put People First. When our people come together, we Expand the Possible and continuously look for ways to improve what we create and how we do it. If you are constantly striving to grow, you're in good company. We are revolutionizing the way the world moves for future generations, and we want

Full-time

USD 79,300.00 - 113,000.00 per year

Senior Software Engineer, Trading Platform, C++

Chicago, Illinois

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Today

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and En

Full-time

USD 175,000.00 - 240,000.00 per year

Senior Typescript Engineer / Node.JS / React

Chicago, Illinois

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Today

A rapidly growing sleep technology company is seeking a Senior Software Engineer to join its engineering organization. The team develops connected hardware, cloud-native software, AI-powered experiences, and large-scale data systems that help consumers optimize recovery and performance. The environment includes distributed systems, microservices, cloud infrastructure, data processing pipelines, and modern backend technologies such as Ruby, Node.JS, and TypeScript. This is an opportunity for an e

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Full-time

$180000 - $220000

Senior Software Engineer, Trading Platform, C++

Chicago, Illinois

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8d ago

Full-time

USD 175,000.00 - 240,000.00 per year

Senior Linux Systems Administrator / HPC

Chicago, Illinois

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Today

A leading institution in Chicago is hiring a Systems Administrator to support advanced computing systems within a fast-growing data science environment. This role focuses on Linux infrastructure, high performance computing clusters, and modern automation tools such as Ansible, Docker, and distributed storage technologies. This is a unique opportunity to work in a highly technical environment supporting cutting edge research in artificial intelligence and large-scale data processing. The team is

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Full-time

$100000 - $120000

Senior Software Engineer - Hybrid in Schaumburg, IL

Schaumburg, Illinois

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Today

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, and data they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits, and career development opportunities. Come make an impact on the communities we serve as you help us advance heal

Full-time

USD 91,700.00 - 163,700.00 per year

Senior C++ Engineer / Prop Trading / Woodridge, IL

Woodridge, Illinois

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Today

An established proprietary trading organization in Woodridge, IL is expanding its engineering team as part of a large-scale technology growth initiative. The company develops highly performant trading systems and infrastructure and is seeking experienced C++ engineers who enjoy solving complex technical challenges involving low-latency processing, distributed systems, and large-scale performance optimization. This is an opportunity to join a business that views engineering as a strategic advanta

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Full-time

$150000 - $175000

Senior Android Engineer / FitnessTech

Chicago, Illinois

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Today

A rapidly growing health technology company is seeking a full-time Senior Android Software Engineer to join its engineering organization. This role can support engineers interested in building premium mobile experiences that connect with sophisticated hardware and data-driven wellness products. The environment is highly collaborative and leverages modern Android technologies including Kotlin, Jetpack Compose, Coroutines, Flow, MVVM, and MVI architectures. This opportunity is ideal for engineers

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Full-time

$180000 - $230000

Performance Tuning jobs in Buffalo Grove, IL, USA