Algorithm Developer Jobs in Illinois, United States

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Sr Director Algorithm Engineering

United States

$231k-$385k/yr RemoteFull Time

DexcomNASDAQ: DXCM: Develops continuous glucose monitoring systems for diabetes management.

17+ YOE13+ MgmtLead teams on end-to-end product development; expertise in signal processing, embedded algorithms, cloud analytics, and data-driven decision making in biosensing.

Embedded systems, Signal processing, Algorithms, Machine learning, Data analytics, Firmware

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Principal Scientist Algorithm Lead

United States

RemoteFull Time

NeoGenomicsNASDAQ: NEO: Provides specialized oncology diagnostic testing and clinical laboratory services.

8+ YOEPhD in a quantitative field; 8+ years in clinical NGS algorithms; leadership in validation and regulatory submissions; proficient in Python and R; ML/AI experience with NGS data.

Python, R, Workflow orchestration, Validation automation

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1mo

Senior Software Engineer, ML Platform

Canada or United States

$156k-$211k/yr RemoteFull Time

Afresh: AI-powered inventory management for grocery store fresh food departments.

4+ YOEBS in Computer Science or related field; 4+ years software development; collaboration with ML teams; technical leadership; expert in Python; strong API and data structures/algorithms.

Python, APIs, Data Structures, Algorithms

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1mo

Associate Director/Director, Oncology Algorithm & Data Products

United States

$175k-$250k/yr RemoteFull Time

NateraNASDAQ: NTRA: Provides clinical genetic testing and diagnostics services.

5+ YOE5+ years product management in oncology diagnostics/genomics; led products from concept to launch; strong knowledge of oncology diagnostics, biomarker development, and genomic data; experience with large datasets; collaborate with data science/bioinformatics teams.

Next-Generation Sequencing, Bioinformatics, Data Analysis

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Senior Backend Engineer

United States or Czech Republic or Canada or Hungary or Iceland or Ireland or Poland or Slovakia or South Africa or Spain or Argentina or Austria or Brazil or Bulgaria or Croatia or Cyprus or Estonia or Finland or Greece or Israel or Latvia or Malta or Mexico or Switzerland or Uruguay or United Kingdom

$179k/yr RemoteFull Time

DuckDuckGo: Offers a privacy-focused search engine and secure web browser.

7+ YOE7+ years in backend development; strong product sense; AI tooling familiarity; strong data structures/algorithms; data-driven; project management; excellent communication; mentoring experience.

Perl, Go, Node.js

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Software Developer (Chicago)

Chicago or New York or Toronto

$150k-$250k/yr OnsiteFull Time

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++

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1mo

Senior Software Engineer

United States

$110k-$125k/yr RemoteFull Time

Aquent: Provides creative staffing and workforce solutions for global brands.

7+ YOE7+ years of software development experience; expert in Python and JS/TS/React; strong data/algorithms; databases (MongoDB/SQL); Git; Docker; AWS; strong problem solving and remote collaboration.

Python, JavaScript, TypeScript, React, MongoDB, SQL, Git, Docker, Kubernetes, AWS

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2mo

Remote - Middle to Senior Python Developer - (Payment Team)

United States

RemoteContract, Full Time

Torrero: Provides white-label casino and sportsbook platforms for iGaming.

5+ YOE5+ years commercial Python/Django development; strong Python 3.x, Django; experience with highly loaded systems; English and Russian language proficiency; knowledge of design patterns, data structures, and algorithms.

Python, Django, PostgreSQL, MongoDB, RabbitMQ, Redis

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1mo

Staff Software Developer C++

United States

$110k-$125k/yr RemoteFull Time

Corel: Developing professional creativity and productivity software solutions

5+ YOE5+ years in C++ development; cross‑platform (macOS/Windows/Linux); OOP, design patterns, algorithms, data structures; client‑server and multi‑component apps; strong English; nice‑to‑have Qt/C++, unit testing, Linux shell scripting, TDD.

C++, Qt/C++, Unit testing, Linux shell scripting, TDD

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Software Engineer

Illinois, United States

$86k-$139k/yr RemoteAll Commitments Available

Highmark Health: Provides health insurance and integrated medical care services.

3+ YOE3 years in algorithms, data structures, design patterns; 3+ years in Java/Python/JavaScript; REST/JSON; familiarity with web technologies; healthcare domain experience preferred.

Java, Python, JavaScript, React, Angular, NodeJS, NoSQL, HTML5, CSS, Google Cloud Platform, Amazon Web Services, REST, JSON

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1mo

Senior Software Engineer

United States

$150k-$200k/yr RemoteFull Time

Stellar Cyber: Unified platform for automated cyber threat detection and response.

3+ YOEBachelor’s or Master’s in CS or related field; 3 years software development or 2 years with advanced degree; 3 years data structures/algorithms; 2 years backend, APIs, microservices; cloud/docker/Kubernetes; Python/Java/Go; strong writing

Docker, Kubernetes, REST, gRPC, Python, Java, Go

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Sr. Software Engineer

United States

RemoteFull Time

MastercamNasdaq Stockholm: SAND: Provides computer-aided design and manufacturing software solutions.

10+ YOESenior software engineer with 10-14 years of commercial C#/C++ experience; strong math and algorithms; experience with parallel Computing and CNC/machining domains.

C++, C#, GPGPU, SIMD, Parallel Programming

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Positioning and Controls Software Engineer

Mossville, Illinois, United States

$98k-$146k/yr OnsiteFull Time

CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.

Develop and test positioning state estimator and control algorithms in Simulink/C++, work with real-time hardware; create automated tests; strong communication; relocation and visa sponsorship available.

Simulink, C++, Real-Time Operating System, Kalman Filters, GNSS, IMU, Embedded Control Systems

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1mo

Staff Software Developer C++

North America

$110k-$125k/yr RemoteFull Time

Corel: Develops professional graphics, virtualization, and productivity software solutions.

5+ YOE5+ years C++ experience on macOS/Windows/Linux; strong OOP/design patterns/algorithms; client-server and multi-component cross-platform apps; good written English.

Qt/C++, Unit testing, Linux shell scripting

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Senior Software Engineer, Behavior Planning

Atlanta or South San Francisco or New York City or Toronto or United States

RemoteFull Time

AeroVect: Develops autonomous driving software for airport logistics vehicles.

3+ YOE3+ years in autonomous driving/robotics; expert in C++ and Python; strong planning algorithms; ROS/ROS2 experience; Master’s in CS/Robotics or related field.

C++, Python, ROS/ROS2

3mo

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3mo

Experienced Software Engineer

Chicago or London or New York City or Austin or Boulder or Seattle

$200k-$300k/yr OnsiteFull Time

Hudson River Trading: Scientific quantitative trading firm developing automated algorithmic strategies.

3+ YOEBachelor's or Master's in CS/Engineering; experience at top-tier firm; Python or C++; strong data structures and communication.

Python, C++, Data Structures, Algorithms, Distributed Systems, Debugging, Software Development Lifecycle

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Machine Learning Engineer, XLS, Compiler

Chicago, Illinois, United States

$174k-$252k/yr OnsiteFull Time

GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.

5+ YOEBachelor’s degree, 5+ years C++ software development, 3 years testing/launching software with 1 year in design/architecture, 3 years ML infrastructure, compiler construction; preferred Master/PhD, 5 years data structures/algorithms, 1 year leadership, SystemVerilog.

C++, SystemVerilog, Machine Learning infrastructure, Compiler design

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1mo

Senior Java Engineer - Distributed Systems - Elasticsearch

United States

$133k-$211k/yr RemoteFull Time

ElasticNYSE: ESTC: Software platform for search, security, and observability.

Distributed systems expertise, strong Java, knowledge of data structures, concurrency, and algorithms; able to own projects end-to-end.

Java, Netty, Lucene, JDK

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Cryptography Engineer - Product Security, Cybersecurity (Remote)

United States

$120k-$180k/yr RemoteFull Time

CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and cybersecurity services.

4+ YOE4+ years in cryptography, TLS lifecycle, HSMs, code signing, automation; experience with cryptographic algorithms (AES, RSA, ECC) and cloud/Linux; scalable systems.

TLS, HSM, Code Signing, Scripting, Python, Bash, Go, Linux, Cloud

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Forward Deployed Engineer

Chicago or Remote, United States

$80k-$110k/yr HybridFull Time

FourKites: AI-powered platform for real-time supply chain visibility and tracking

4+ YOE0–4 years software engineering; strong Java; data structures & algorithms; REST APIs; enterprise integration; LLMs; agentic workflows; OAuth 2.0; production-grade code with test coverage

Java, REST APIs, HTTP/HTTPS, SFTP, EDI, XML, JSON, Agent Studio, LangGraph, LangChain, Claude, OpenAI

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Full Stack Software Engineer

United States

$82k-$172k/yr RemoteFull Time

CACINYSE: CACI: Provides information technology and professional services to government clients.

5+ YOEUS citizen with ability to obtain security clearance; BS in Computer Science or related field; 5+ years software development; strong Java or Java-like languages; full-stack web dev; knowledge of algorithms, data structures, and RDBMS; POSIX CLI experience; CI/CD; testing.

Java, Kotlin, C#, Scala, React, H2, AWS, CI/CD, POSIX

2mo

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2mo

Software Engineer II, I/O

United States

$125k-$160k/yr RemoteFull Time

Ocient: High-performance data analytics software for massive datasets.

1+ YOEBS/MS/PhD in CS/CE or related field; 1+ years OO programming; CPU architecture familiarity; strong data structures/algorithms; C/C++ experience; English fluency.

C++, Python, C, SQL

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1mo

Software Engineer, Intern (Summer 2027)

Chicago or London

OnsiteInternship

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

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1mo

Software Engineer I (Chicago, IL, US, 60607)

Chicago, Illinois, United States

$84k-$105k/yr OnsiteFull Time

McDonald'sNYSE: MCD: Operate and franchise a global chain of quick-service restaurants.

0+ YOEBachelor’s degree in Computer Engineering or Computer Science; internships; experience with C#, Angular/TypeScript, SQL; knowledge of data structures and algorithms; strong communication.

C#, Angular, TypeScript, SQL

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Senior Software Engineer - Machine Learning

Chicago or Frisco

$152k-$186k/yr HybridFull Time

Uber Freight: Digital marketplace connecting shippers with trucking carriers.

5+ YOE5+ years ML engineering; production ML deployment; ML theory and algorithms; programming in Python/Go/Java; experience with PyTorch/TensorFlow/Scikit-Learn/Spark MLlib.

PyTorch, TensorFlow, Scikit-Learn, Spark MLlib, Python, Go, Java, Storm, Spark, Flink

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Senior Navigation & Guidance Engineer

United States

$160k-$235k/yr RemoteFull Time

K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.

Senior GNC engineer with experience in attitude control and estimation, GNC flight software verification, and algorithm development (Python, C/C++, MATLAB, Julia).

Python, Julia, C/C++, MATLAB

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1mo

Senior AI Engineer - LLM Systems & RAG Optimization

United States

RemoteContract

Texas Sports Academy: Private K-8 school integrating accelerated academics with elite athletics.

Masters or PhD in CS/AI; extensive LLM and retrieval-augmented generation experience; Python and ML frameworks proficiency; strong analytical and communication skills.

Python, TensorFlow, PyTorch, NLP libraries, Data structures, Algorithms

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Interview Engineer (United States)

United States

RemoteContract

Karat: Provides live technical interviewing services for software engineering candidates.

3+ YOE3+ years software development experience; strong English; reliable internet; webcam; interview experience preferred; remote contract-based work.

Algorithms, Data Structures, Programming Languages, Remote Collaboration Tools

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Senior Staff Machine Learning Engineer, Growth Platform Engineering

United States

$244k-$305k/yr RemoteFull Time

AirbnbNASDAQ: ABNB: Online marketplace for vacation rentals and travel experiences.

12+ YOE12+ years in applied ML/AI; strong software and data engineering; expertise in ML/AI best practices and relevant algorithms; experience with TensorFlow, PyTorch, Kubernetes, Airflow, Kafka; strong architectural skills; mentoring capabilities.

TensorFlow, PyTorch, Kubernetes, Airflow, Kafka

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ML Engineer (Caesarea, HA, IL)

Caesarea, Illinois, United States

OnsiteFull Time

Hexion: Manufactures specialty resins and adhesives for industrial and construction sectors.

5+ YOE5+ years of applying ML algorithms in production; strong Python (NumPy, Pandas); experience turning research into production code; ability to work with noisy industrial data; collaborative.

Python, NumPy, Pandas, PyTorch, TensorFlow, MLflow, DVC, SCADA

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Quantitative Technologist (C++ Intern)

Chicago, Illinois, United States

OnsiteInternship

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

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1mo

Lead AI & Data Infrastructure Engineer

United States

$140k-$175k/yr RemoteFull Time

Matium: Digital marketplace for industrial raw material trading.

6+ YOE6+ years in data engineering, ML or applied AI; proficient in Python, SQL, data stack; experience deploying ML models; familiarity with recommender systems/marketplace algorithms; distributed data systems; scalable data pipelines; startup environment.

Python, SQL, Cloud platforms, Data pipelines, Machine learning, Big data technologies

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Java Coding Specialist - Freelance AI Trainer Project

United States

$45/hr RemoteContract, Temporary

Invisible Technologies: Provides AI training and automation through managed expert workforces.

Java expert with deep fluency in OOD, concurrency, JVM, data structures, algorithms, and system architecture; strong communication to document failures; applicable to freelance AI trainer project.

Java, JVM, Concurrency, Data Structures, Algorithms

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HART, INC. - Engineering Intern

United States

RemoteAll Commitments Available

Hart: Provides interoperability and data transformation platforms for health systems.

Pursuing a Bachelor's in CS/Software Engineering; knowledge of data structures/algorithms; programming experience; Git; strong communication; able to work independently.

Git, Programming Languages

2mo

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2mo

Sr. Applied Scientist

United States

$161k-$257k/yr RemoteFull Time

ZillowNASDAQ: ZG: Operates a digital real estate marketplace for property transactions.

5+ YOE5+ years in applied science with optimization or production ML; 3+ years owning production ML systems; Python/SQL; advanced degree in quantitative field; strong math, algorithms, and software engineering.

Python, SQL, Machine Learning, Optimization

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1mo

Senior Lead Trading Strategist

United States

$184k-$230k/yr RemoteFull Time

DraftKingsNASDAQ: DKNG: Provide online sports betting, fantasy sports, and casino gaming.

7+ YOE7+ years in ML, quantitative modeling, or algorithmic strategy; strong Python (NumPy, Pandas, PyTorch) and performance languages; expertise in market making, microstructure, liquidity modeling, and risk optimization; experience with automated trading; strong leadership and communication.

Python, NumPy, Pandas, PyTorch, C++, C#, Java, Rust

2mo

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2mo

Senior Scientist, Quantum Applications - Chicago

United States

$146k-$191k/yr RemoteFull Time

IonQNYSE: IONQ: Provides cloud-accessible trapped-ion quantum computing hardware and software.

6+ YOESenior scientist with 6+ years experience; expertise in Python/C++ and quantum SDKs; PhD preferred; strong communication and collaboration; experience with quantum algorithms in chemistry/optimization/ML.

Python, C++, Qiskit

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Optimization Performance Specialist

Charlotte or United States

RemoteFull Time

Fastbreak AI: AI-powered scheduling and operations software for sports organizations.

3+ YOEMS or PhD in Operations Research, Computer Science, Applied Mathematics, or related field; 3+ years in software engineering, data analysis or managing computational workloads; Python proficiency; strong algorithmic performance measurement and statistical analysis; distributed workloads experience (AWS, Azure); Git and software engineering practices...

Python, Git, AWS, Azure, Scripting, Open-source optimization libraries

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Head of Engineer, Algorithmic Trading Group

Chicago, Illinois, United States

$300k-$400k/yr OnsiteFull Time

DRW: Technology-driven principal trading firm operating in global financial markets

10+ YOE5+ Mgmt10+ years in software engineering with at least 5 years in senior engineering leadership; experience with latency-sensitive distributed systems; proven team leadership; familiarity with generative AI and autonomous agents.

Generative AI tools, Autonomous agents, Low-latency systems