53 algorithm developer jobs at 22 companies in Illinois

2w
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Quantum Algorithm Engineer — AMER
Yorktown Heights or San Jose or San Francisco or Cambridge or Chicago or New York City
$265k-$315k/yr HybridFull Time
IBM
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.
Python, Qiskit, IBM Quantum software stack, GitHub, C, C++, Rust, HPC, CI/CD
1w
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Senior Software Engineer, C++
Amsterdam or New York City or Chicago
$185k-$225k/yr OnsiteFull Time
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.
C++, Rust, Python, TypeScript, FIX, WebSocket, HTTP, TLS
2mo
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Software Engineer – Trading Systems
Chicago, Illinois, United States
$100k-$140k/yr OnsiteFull Time
Wolverine Trading
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.
C++
1mo
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Engineer, Execution Technology
Chicago or New York
$150k-$225k/yr OnsiteFull Time
Balyasny Asset Management
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#.
Java, C#
2mo
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Software Developer (Chicago)
Chicago or New York or Toronto
$150k-$250k/yr OnsiteFull Time
DV Trading
DV Trading: Proprietary trading firm providing liquidity to global financial markets.
0+ YOE0-7 years experience; proficient in C++ (modern C++); fast learner; strong work ethic; interest in algorithmic trading.
C++
3w
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Guidewire Rating Developer (San Francisco, CA, US)
San Francisco or Atlanta or Chicago or New York City or Mississauga
$80k-$95k/yr OnsiteFull Time
Capgemini
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.
Gosu, Guidewire PolicyCenter, Guidewire BillingCenter, Guidewire ClaimCenter, GUnit, JUnit
3d
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Software Developer
Chicago, Illinois, United States
$225k/yr OnsiteFull Time
DRW
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.
C++, Java, Python, TCP/IP
1w
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Campus UI Software Engineer (Intern)
Chicago, Illinois, United States
$250k/yr OnsiteInternship
Jump Trading
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.
TypeScript, Python, React, Linux
3w
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Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
Balyasny Asset Management
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.
C++, CI/CD
1mo
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Software Engineer
San Jose or New York City or New York or Washington or Illinois or United States or Canada
$124k-$174k/yr HybridFull Time
Cisco
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.
C++, Python, SAI, SONiC, GDB, PDB
3w
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Senior Software Engineer - New Customer Experience
San Francisco or Chicago or United States or Canada
$140k-$175k/yr RemoteFull Time
Pantheon
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.
Python, GoLang, JavaScript, GraphQL, Auth0, Terraform, Google Cloud, GCP, AWS, Kubernetes, RESTful, LinkedIn Learning, E-verify
2w
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Graduate Software Engineer
Chicago, Illinois, United States
$200k/yr OnsiteFull Time
IMC
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.
Java, C++
1mo
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Software Engineer III, Editing
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/yr RemoteFull Time
Wikimedia Foundation
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.
JavaScript, PHP, Python, Ruby, CSS, MediaWiki API, VisualEditor, GitHub
3mo
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Software Engineer, Intern (Summer 2027)
Chicago or London
OnsiteInternship
Aquatic Capital Management
Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.
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
1w
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Senior Software Engineer (GO/Typescript)
Chicago or Raleigh or Royal Oak or New York City or United States
$123k-$175k/yr HybridFull Time
SpotOn
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+).
Golang, JavaScript, TypeScript, PHP, AWS, Terraform, Kubernetes
3d
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Software Engineer – 2027 Graduate Program (August Start)
Chicago, Illinois, United States
$175k-$200k/yr OnsiteFull Time
Old Mission
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.
C++, Python, SQL, JavaScript, React, Linux
2d
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Control Systems Engineer
Peoria, Illinois, United States
$98k-$146k/yr OnsiteFull Time
Caterpillar
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.
Python, Matlab/Simulink, C++, ROS
3w
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Space Engineer/Principal Engineer Systems
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
Northrop Grumman
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.
MATLAB, Python, Robot Framework, DOORS, ClearCase, ClearQuest
3w
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Space Sr. Principal Engineer Systems
Rolling Meadows, Illinois, United States
$136k-$204k/yr OnsiteFull Time
Northrop Grumman
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.
MATLAB, Python, Robot Framework, DOORS, DXL, ClearCase, ClearQuest
3mo
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Quantitative Technologist (C++ Intern)
Chicago, Illinois, United States
OnsiteInternship
Radix Trading
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