legacy systems jobs in chicago, il

Head of Engineering / CTO | Chicago- Algorithmic Trading

Chicago, Illinois

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11d ago

A leading HFT / quantitative trading firm is seeking a senior engineering leader to help shape the future of one of its most successful algorithmic trading businesses. The group has been operating successfully for over 20 years and is considered one of the firm's flagship trading teams. Historically, engineering has evolved in a highly entrepreneurial and fast-moving environment, and the team is now looking for a senior leader to modernise engineering practices, platform maturity, and organisati

Full-time

Senior Software Engineer / Hybrid in Suburbs of Chicago / .NET

Chicago, Illinois

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Today

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system. This is a full-time position. They are located in the southwest suburbs of

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Full-time

$120000 - $135000

Senior Frontend Engineer (React/React Native)

Chicago, Illinois

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Today

This is a full-time opportunity based in Chicago, IL with a leading provider of live event and tour management software used by top names in live entertainment. They build robust, scalable platforms that power guest list management, personnel tracking, and financial operations for touring professionals worldwide. The tech stack is modern and front-end focused, including React, React Native, Electron, TypeScript, and API-driven architectures. This role is all about owning the front end. We are lo

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Full-time

$150000 - $170000

Oracle Health Integration Oversight Lead

Remote or Chicago, Illinois

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Today

Huron helps its clients drive growth, enhance performance and sustain leadership in the markets they serve. We help healthcare organizations build innovation capabilities and accelerate key growth initiatives, enabling organizations to own the future, instead of being disrupted by it. Together, we empower clients to create sustainable growth, optimize internal processes and deliver better consumer outcomes. Health systems, hospitals and medical clinics are under immense pressure to improve clin

Full-time

Senior Engineer, Warehouse Management

Northbrook, Illinois

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Today

Maximize company sales growth and profitability by performing software application programming across multiple technologies to construct software applications that perform according to business requirements and priorities for warehousing and logistics systems, both package and custom. The Software Developer will work closely with technology and business associates to create new innovative technology solutions and show a readiness to guide team members. This position is remote This role is an Ind

Full-time

Managing Director, Software Engineering

Chicago, Illinois

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Today

Are you ready to make an impact? From designing customer-facing software to integrating complex platforms and leveraging actionable data, we partner with our clients to modernize every layer of your technology stack. Our engineering teams work on bringing modern architecture practices, cloud technologies, and industry expertise to build software that's as smart as it is impactful. As a Managing Director/Partner in our Technology and Experience practice and Software Engineering discipline, you

Full-time

USD 280,000.00 - 378,000.00 per year

Hiring | BSA (MFT Migration) | Remote | Contract (W2 Only)

Remote

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6d ago

Hi ,Greetings !! We do have opening for our client, Role : BSA (MFT Migration)Location : RemoteDuration : Long-term Contract Job Description : Role Overview The Senior Business Systems Analyst plays a critical customerfacing role focused on enabling successful transitions from Legacy MFT Platform to A New Modern MFT Platform, Optum s nextgeneration enterprise configuration and filetransfer platform. This role acts as a trusted advisor to customers and internal stakeholders by translating legacy

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Contract

Depends on Experience

Lead Software Engineer, Warehouse Management

Northbrook, Illinois

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Today

We are seeking a highly skilled and motivated Lead Software Engineer, Warehouse Management with 8+ years of experience to drive the delivery of complex and impactful software solutions. In this pivotal role, you will directly influence the success of cross-functional initiatives and product outcomes by providing technical leadership, establishing best practices, and mentoring our talented engineering team within an agile environment. You will be instrumental in shaping our technical direction an

Full-time

Voice Engineer - Associate

Oak Brook, Illinois

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Today

Department: 12298 Enterprise Corporate - Network & Telecommunications Engineering Status: Full time Benefits Eligible: Yes Hours Per Week: 40 Schedule Details/Additional Information: This position may require work after normal business hours. This position will require the team member to be included in a regular on-call rotation for after hour support. This position will require frequent travel to primary sites of care, admirative offices and clinics within the Chicago support area. Pay

Full-time

USD 30.70 - 46.05 per hour

Principal Software Engineer

Naperville, Illinois

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Today

What is in it for you Opportunity to shape enterprise-scale cloud commercial digital solutionsHigh visibility and influence across digital engineering initiativesStrong collaboration with product, business, and leadership teamsLeadership path without stepping away from hands-on engineering What you will do Lead end-to-end architecture and development of cloud-native, full-stack applicationsDefine and evolve cloud architecture standards for scalability, resiliency, security, and cost optimizatio

Full-time

USD 153,900.00 - 230,800.00 per year

Sr. AWS Full Stack Engineer

Chicago, Illinois

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Today

Job#: 3031476 Job Description: Sr. AWS Full Stack Engineer Location: Remote working CST hours Employment Type: Contract Duration: 12 months w/extension Role Overview The Senior Cloud Full Stack Engineer designs, builds, operates, and iterates on cloud-native solutions that enable end-to-end personalized experiences for guests. This role is an expert at solving technical challenges and building solutions using the best available tools in an AWS cloud-first environment. This position supports

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Full-time

Oracle ERP Technical

Remote

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Today

Position: ERP Technical / Integration Subject Matter Expert (SME) Duration: 2+ months Location: Remote Job Description The ERP Technical / Integration SME owns the technical and integration evaluation for ERP selection engagements. The role assesses vendors against hosting and compliance requirements, integration depth to adjacent enterprise platforms, data-migration feasibility from legacy systems, and long-term technical scalability. The Technical SME defines the target-state architecture, e

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Part-time

Depends on Experience

Mainframe Modernization Expert

Remote

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25d ago

Now Hiring: Mainframe Modernization Experts (100% Remote USA) Looking for professionals with strong experience in Mainframe Modernization & DevOps Transformation. Key Skills:Implementing CI/CD pipelines in mainframe environmentsHands-on with GitLab, Artifactory & IBM Dependency Based Build (DBB)Expertise in DevOps automation & pipeline orchestrationExperience in data migration & legacy system modernization Location: Remote (US Candidates Only)

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Contract

Depends on Experience

C# Developer

Chicago, Illinois

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Today

Senior Software Engineer - Capital Markets (C#/.NET) Location: Onsite (5 days/week) Type: Contract-to-Hire Level: Senior / Associate upon conversion Role Overview We are seeking a Senior Software Engineer to join a high-impact engineering team responsible for building and extending real-time, mission-critical systems supporting portfolio valuation, pricing, and execution workflows in the capital markets space. This role focuses heavily on backend development, data integration, and scalable, m

Full-time

Compensation information provided in the description

Sr Manager - IT Appl Dev

Chicago, Illinois

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Today

Description United's Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs, develops and maintains massively scaling technology solutions brought to life with innovative architectures, data analytics, and digital solutions. Job overview and responsibilities The Senior Manager of IT Application Development will lead a team responsible for creating, implementing, a

Full-time

Azure Data Engineer with Legacy to Databricks

Remote

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3d ago

Sr Data CloudDataIntegration&TransformationLocation: Remote (CST/EST Horus)Exp: 14+yrsNote: Need 14 + years of experience. Candidate should have good communication skills.Note Candidate must have experience of migration,integrationfrom Legacy system (COBOL, DB2) to AzureDatabricks.About the RoleWe are seeking a hands-on DataEngineerto develop and maintain scalable datapipelines andtransformationroutines within a modern Azure + Databricks environment. This role is focused on executing ingestion,

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Contract

65 - 70

Staff Software Development Engineer (Cloud & AI)

Remote or Buffalo Grove, Illinois

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Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. Requisition Job Description CVS Health is looking for a

Full-time

USD 130,295.00 - 260,590.00 per year

Looking for Salesforce Human-Centered Change Manager

Remote

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12d ago

Clearance: Must hold an active IRS MBI or Public Trust clearance.Job Title: Salesforce Human-Centered Change Manager Location: Remote Duration: 6+ Months Key Responsibilities Empathy-Based Discovery: Conduct user research, personas development, and journey mapping to understand how IRS employees currently interact with legacy systems vs. new Salesforce features.Change Impact Analysis: Assess the organizational impact of Salesforce deployments, identifying potential "friction points" and designin

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Contract

$60 - $71

Enterprise Mobile Application Developer (iOS/Android)

Remote

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Today

Hiring: Enterprise Mobile Application Developer (iOS/Android) Location: Remote (Must be within EST / preferably within 150 miles of Baltimore, MD for badge pickup & laptop collection candidate covers travel costs) Important Requirements: Must have LinkedIn with clear profile picture Must be verified candidate Must provide valid State ID proof Previous federal experience is a plus Must-Have Skills: Strong hands-on React Native experience (Required) Swift / SwiftUI Kotlin / Jetpack Compose Flut

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Contract

Depends on Experience

Hands on VP of Engineering / AI Strategy / Fullstack

Remote

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Today

This is a fully remote, full-time opportunity with a growing technology company operating at the intersection of SaaS, hardware, and the grocery industry. The engineering organization runs on a Ruby-based platform and is actively investing in AI-driven systems that integrate deeply into both software and physical products. This role is ideal for a hands-on engineering leader who wants real ownership. The VP of Engineering will guide technical strategy, lead a lean engineering team, and play a cr

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Full-time

$225000 - $275000

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legacy systems jobs in Chicago, IL, USA