53 algorithm developer jobs at 22 companies in Illinois
2w
Save
Mark Applied
Hide
2w
Quantum Algorithm Engineer — AMER
Yorktown Heights or San Jose or San Francisco or Cambridge or Chicago or New York City
$265k-$315k/yrHybridFull Time
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
5+ YOEPhD required in physics, CS, CE or equivalent; 5+ years hands-on quantum computing experience; strong Python, Qiskit and IBM Quantum stack skills; experience with quantum hardware, benchmarking, and performance optimization.
Flow Traders: Provides liquidity and market making across global financial markets.
5+ YOE5+ years C++ development experience, strong algorithms and multithreading knowledge, interest in high-performance systems, and good communication skills.
Wolverine Trading: Proprietary trading, asset management, and execution services firm.
2+ YOEBachelor's in CS or related field; 2+ years software development; strong C++, concurrent programming; knowledge of algorithms and data structures; good communication.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
5+ YOE5+ years building financial/trading systems in Java, expertise in multi-threaded/concurrency and lock-free algorithms, distributed systems experience, strong communication, familiarity with AI-assisted development tools, comfortable with C#.
Guidewire Rating Developer (San Francisco, CA, US)
San Francisco or Atlanta or Chicago or New York City or Mississauga
$80k-$95k/yrOnsiteFull Time
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Guidewire PolicyCenter/BillingCenter/ClaimCenter configuration and Gosu development experience; expertise in Guidewire rating architecture, ratebooks and rating algorithms; team leadership and upgrade experience.
DRW: Technology-driven principal trading firm operating in global financial markets
Degree in CS/Math/Physics or related expected by June 2027; proficiency in C++, Java or Python; experience with multi-threading, network programming (TCP/IP), API design, data processing, and algorithms.
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Proficiency in TypeScript and Python, web frameworks, Linux development, strong data structures/algorithms and threading knowledge, teamwork and reliable availability; internship-level candidates encouraged.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
Strong foundation in algorithms, data structures, distributed systems, and software design; proficiency in low-level C++; familiarity with automated testing and CI/CD; strong communication and collaboration skills.
San Jose or New York City or New York or Washington or Illinois or United States or Canada
$124k-$174k/yrHybridFull Time
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
3+ YOEBachelor's degree and 3+ years engineering experience; proficiency in C++ and Python; experience with algorithms, data structures, and networking; debugging and community engagement experience preferred.
Senior Software Engineer - New Customer Experience
San Francisco or Chicago or United States or Canada
$140k-$175k/yrRemoteFull Time
Pantheon: Cloud platform for managing WordPress and Drupal websites.
5+ YOE5+ years software development experience; advanced proficiency with Python, GoLang, or JavaScript; strong distributed systems, data structures, and algorithms knowledge; experience with cloud (GCP/AWS), Kubernetes, GraphQL/REST APIs, Auth0, Terraform; strong communication.
IMC: Global trading firm providing liquidity to financial markets.
University student graduating Sept 2026–July 2027 in CS/Engineering, strong algorithms and data structures, proficiency in a programming language (Java or C++), strong analytical and collaboration skills.
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$95k-$149k/yrRemoteFull Time
Wikimedia Foundation: Operates Wikipedia and provides global free knowledge infrastructure.
2+ YOE2–5 years software engineering experience; proficiency with JavaScript or PHP (or similar), unit testing, version control, strong written communication, and solid algorithms/data-structures skills.
Pursuing BS, MS, or PhD in STEM with expected graduation Fall 2027–Spring 2028; strong Python/C++; knowledge of algorithms and systems; collaborative mindset; eager to learn software design and testing.
Python, C++, Git, Linux, Refactoring, Test Driven Development
Chicago or Raleigh or Royal Oak or New York City or United States
$123k-$175k/yrHybridFull Time
SpotOn: Provides point-of-sale and business management software for restaurants.
5+ YOE5+ years building high-traffic production software; strong Golang and JavaScript/TypeScript skills; AI tool experience; familiarity with data structures, algorithms, and system design; strong English communication (B2+).
Software Engineer – 2027 Graduate Program (August Start)
Chicago, Illinois, United States
$175k-$200k/yrOnsiteFull Time
Old Mission: Quantitative proprietary trading firm specializing in global market making.
Undergraduate or advanced degree in a quantitative field, minimum 3.0 GPA, knowledge of C++, Python, SQL, JavaScript, React, Linux, systems programming, data structures and algorithms, strong communication and problem-solving skills.
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design and integrate embedded control systems, develop sensing/planning/control algorithms, validate and test machine solutions; bachelor's in engineering required.
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEU.S. citizen able to obtain Top Secret clearance; BS in EE/Aerospace (or related) with 2+ years experience (or MS/PhD alternatives); experience in signal processing, algorithm development, MATLAB/Python, DOORS, integration & test.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBS/MS/PhD in EE, Aerospace, Physics or related with 8/6/3+ years experience respectively; U.S. citizenship and ability to obtain Top Secret clearance; experience in signal processing, algorithm development, integration & test, MATLAB/Python, DOORS, ClearCase/ClearQuest.
Radix Trading: Proprietary firm focused on quantitative research and scientific trading.
0+ YOEStrong analytical skills; proficiency in C/C++; understanding of data structures, algorithms, and distributed systems; production software development experience; internship or research in finance/trading preferred.
C++, C, Data Structures, Algorithms, Distributed Systems, Software Architecture, Production Software Development