Entry Level Quant Developer Jobs in Illinois (NOW HIRING)

Definian helps organizations define what's next by unlocking the full value of their data. With expertise spanning data strategy, modernization, advanced analytics, and AI & automation, Definian equips leaders to navigate their digital evolution with clarity and precision.
The Opportunity:
Definian is hiring Senior Consultants to join our growing delivery team. This is an entry-level role designed for problem solvers who want to work at the intersection of data, technology, and consulting.
In this role, you'll work directly with clients and project teams to understand business requirements, design and test technical solutions, and deliver meaningful business outcomes. You'll learn core skills in SQL, Python, data transformation, and enterprise applications (Oracle, Workday, etc.), while building consulting capabilities that set the foundation for long-term growth.
What You'll Be Doing:

• Designing and developing custom solutions for clients using a variety of software and programming tools, including Premier's proprietary software product (Applaud), SQL, PowerShell, Excel, VBA and others
• Using quantitative methods to derive actionable insights, patterns, and outcomes from data
• Taking direct ownership of mission critical data requirements in a fast paced, collaborative work environment
• Leveraging technical expertise to provide guidance and direction to clients as you tackle complex problems
• Identifying and translating client business requirements into technical deliverables
• Delivering technology solutions to clients across industries, such as Manufacturing & Distribution, Education & Government, Consumer & Industrial Products, and Life Sciences & Healthcare
• Working with clients to understand their current data landscape and advising on strategy to align with their future-state data landscape
• Providing leadership and mentorship to junior team members
• Note: The responsibilities for this position could expand to include other duties based on the needs of the company and the skills of the candidate.

What You'll Bring to the Team:

• At least 3 years of experience in a data or consulting role working on implementation projects preferred
• At least 1 year prior experience working directly with structured data (analyzing, organizing, reporting, etc.)
• BS/BA degree
• Intermediate experience with a programming or scripting language
• Intermediate experience with Microsoft Excel including formulas, pivot tables, and VBA
• Intermediate knowledge of SQL
• Excellent analytical, organizational and leadership abilities
• Outstanding verbal and written communication skills
• Strong attention to detail
• An inquisitive nature and desire to learn
• A passion for solving problems
• A personal drive to go above and beyond
• A strong sense of ownership and accountability for your work
• A strong sense of ethics
• Authorization to work in the US without support for a work visa
• Ability to travel up to 50% of the time.

Definian Perks & Benefits:

• Highly competitive compensation with annual bonus incentive
• 401K plan with company match
• Company paid individual health, dental, vision, disability, and life insurance coverage
• Four weeks of paid time off
• Ten company paid holidays
• Employee referral bonuses

Why Join Definian?:

• Be part of a fast-growing, AI-enabled consultancy redefining data services.
• Gain mentorship from industry experts and access to career pathways in Data Engineering, Migration, Governance, Analytics, and AI.
• Work on complex, high-impact projects with Fortune 500 clients and leading system integrators.
• Culture recognized by Built In's Best Places to Work, Crain's Chicago Business, and the Best & Brightest Companies to Work For.

**Compensation:** Annual base salary: $95,000 - $135,000, with eligibility for performance-based annual bonus (total compensation range: $97,000 - $158,000).
Founded in 1985 as Premier International and rebranded in 2025, Definian combines four decades of trusted results with the energy of an AI-enabled future. We are proud to be recognized as one of Crain's Best Places to Work in Chicago® and to be consistently named to the Inc. 5000 list for growth.
Definian is an EEO Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.