Python Developer Jobs in Lake Forest, IL, US

1mo

Save

Mark Applied

Hide

1mo

Staff Engineer - Platform Engineering

Scottsdale or Chicago or San Francisco or New York

$145k-$223k/yr HybridFull Time

Early Warning Services: Operates payment and risk solutions for the financial industry.

8+ YOE8+ years in software/platform engineering; CI/CD, Kubernetes, Terraform; GitLab/Harness/Vault/Artifactory; on-prem and AWS; Python/Java/JavaScript/Shell; strong collaboration.

GitLab, Harness, Vault, Artifactory, Kubernetes, Docker, Podman, Terraform, AWS CloudFormation, Python, Java, JavaScript, Shell

1mo

Save

Mark Applied

Hide

1mo

Junior Software Engineer

Chicago, Illinois, United States

$80k-$130k/yr OnsiteFull Time

Geneva Trading: Global proprietary trading firm specializing in listed derivatives markets.

BS/MS in Computer Science/Engineering; strong OS and systems programming; proficient in C++ and Python; deep knowledge of Linux internals; collaborate with Traders and Quants.

C++, Python, Linux, Operating Systems, Kernel Bypass, CPU affinity, Memory management

Save

Mark Applied

Hide

Junior Full Stack Developer

Schaumburg, Illinois, United States

$64k-$111k/yr OnsiteFull Time

ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.

Bachelor’s degree in CS/Information Systems or related field; experience with server-side languages; proficient in C#, Java, NodeJS or Python; HTML/CSS/JavaScript; .NET; SQL Server/MySQL; problem-solving; good communication; version control; eager to learn.

NodeJS, .NET, SQL Server, HTML, CSS, JavaScript, Python, React, Angular, Microsoft Power Platform

1mo

Save

Mark Applied

Hide

1mo

Sr. Software Engineer

Chicago, Illinois, United States

$105k-$175k/yr HybridFull Time

Zoro: Online retailer of industrial tools and business maintenance supplies.

6+ YOE6+ years in software engineering; cloud-based microservices; TypeScript and Python; full-stack TS/Node.js; Docker/Kubernetes; CI/CD; observability; AI tooling

TypeScript, Python, Node.js, Docker, Kubernetes, Datadog, CI/CD, Terraform

Save

Mark Applied

Hide

Senior Software Engineer

Chicago, Illinois, United States

$130k-$165k/yr OnsiteFull Time

The Aspen Group: Provides comprehensive business support for retail healthcare practices.

5+ YOESenior software engineer with 5-8 years backend experience, deep .NET and Python, SQL, system design, cloud (AWS/Azure/GC), leadership and mentoring.

DotNet, Python, SQL, AWS, Azure, Google Cloud

Save

Mark Applied

Hide

Sr Solutions Engineer

Chicago, Illinois, United States

$81k-$118k/yr HybridFull Time

Conagra BrandsNYSE: CAG: Manufactures and markets a variety of packaged food brands.

5+ YOEFive+ years in software engineering; strong Python and TypeScript/JavaScript; experience building backend services, APIs, and data-driven applications; cloud experience with Azure or AWS; knowledge of data platforms and CI/CD; able to translate technical solutions to business outcomes.

Python, TypeScript, JavaScript, Azure, AWS, Snowflake, Databricks, Docker, React

2mo

Save

Mark Applied

Hide

2mo

Senior Software Engineer, Evening

Chicago, Illinois, United States

$134k-$167k/yr RemoteFull Time

PEAK6: Operates proprietary trading and develops financial technology solutions.

BS or MS in Computer Science or Engineering; proficient in Java, Go, or Python; strong problem-solving, communication; Linux familiarity.

Java, Go, Python, Linux

Save

Mark Applied

Hide

Sr. Backend Engineer - Integrations

Chicago, Illinois, United States

$153k/yr RemoteFull Time

Prolaio: Providing a clinical intelligence platform for precision cardiology.

5+ YOE5-7+ years backend/integration experience; Kotlin and/or Python; API design; cloud and containers; security/compliance in healthcare.

Kotlin, Python, RESTful APIs, Webhooks, Message Queues, ETL/ELT, GCP, Docker, Kubernetes, BigQuery, Dagster, Datadog, Prometheus, Grafana, HIPAA, SOC2

1mo

Save

Mark Applied

Hide

1mo

Software Engineer - Product Security and DevOps (Teradyne, Deer Park) (Deer Park, IL, US)

Deer Park, Illinois, United States

$100k-$160k/yr OnsiteFull Time

TeradyneNASDAQ: TER: Manufactures automated testing systems and industrial robotics.

5+ YOE5+ years in product security, DevOps, or software development; strong security tooling; C/C++/C#, .NET; Git/GitLab/Jenkins; Python; CI/CD; independent with strong ownership.

Git, GitLab, Jenkins, Python, C, C++, C#, NET, .NET, Static Analysis, Penetration Testing, Software Composition Analysis

1mo

Save

Mark Applied

Hide

1mo

Principal Software Engineer

Chicago, Illinois, United States

$137k-$234k/yr HybridFull Time

Northern TrustNASDAQ: NTRS: Financial services for individuals, families, and global institutions.

Senior software engineer with strong Python (PySpark/FastAPI), React, SQL, data modeling, Azure, and AI/ML production experience; ability to lead architecture and mentor others.

Python, PySpark, FastAPI, React, SQL, Azure, GitHub Copilot, Pandas, NumPy, Snowflake

Save

Mark Applied

Hide

Senior AI/ML Engineer

New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston

OnsiteFull Time

Cooley: Provides legal counsel to technology and life sciences companies.

5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.

Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses

Save

Mark Applied

Hide

Software Quality Engineer I

New Hartford or Austin or Chicago or Philadelphia

$70k-$80k/yr RemoteFull Time

PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.

0+ YOE0–2 years software/testing experience; Linux/Windows; Python; QA fundamentals.

Python, Linux, Windows, Jira, TestRail, CI pipelines, pytest

Save

Mark Applied

Hide

IT Spec (APPSW) "Principal Software Engineer", GS-2210-15, FPL GS-15 (DH), Full-time

San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle

$150k-$197k/yr RemoteFull Time

Federal Student Aid: Administers federal student loans and financial aid programs.

1+ YOESenior software engineer with cloud-native design, CI/CD, and cross-language development (Python, Java, JavaScript); leadership and architectural responsibilities.

Python, Java, JavaScript, CI/CD, Infrastructure as Code, Cloud platforms

Save

Mark Applied

Hide

Staff AI Engineer

Chicago or Rosemont

$170k-$240k/yr RemoteFull Time

IMO Health: Develops clinical terminology and data intelligence software for healthcare.

8+ YOE8+ years in software/AI/ML engineering with production systems experience; BS or MS in CS/Engineering; strong Python/Java; cloud, MLOps, CI/CD; exposure to healthcare AI is a plus.

Python, Java, AWS, Azure, Kubernetes, Docker, CI/CD, Terraform, MLflow, SageMaker, Kubeflow, Elasticsearch, Vector databases, NLP

Save

Mark Applied

Hide

Software Engineer – Future Financial Services

Southlake or Austin or Chicago or San Francisco

$43-$60/hr OnsiteFull Time

Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.

Bachelor’s degree in CS/CE/Data Science/Financial Engineering or equivalent; Python proficiency; experience applying AI capabilities; SDLC practices; strong communication and problem-solving.

Python, Gurobi, GitHub, CI/CD, Confluence, JIRA, Bamboo, LLMs, Cloud Platforms

1mo

Save

Mark Applied

Hide

1mo

Senior Full Stack Developer (React)

New Hyde Park or Moline or Hartford or Framingham or West Palm Beach or Norcross or Chicago or Milwaukee or Baltimore or Piscataway or United States

$125k-$150k/yr RemoteFull Time

Parts Authority: Distributes automotive and truck replacement parts to the aftermarket industry.

5+ YOE5+ years full-stack production experience; Python (FastAPI/Flask) and React (TypeScript); AI/ML integration; Kafka; PostgreSQL; Redis; strong communication.

Python, FastAPI, SQLAlchemy, Pydantic, React, TypeScript, Tailwind, Redis, PostgreSQL, Kafka, Databricks, MLflow, Docker, Kubernetes, GitHub Actions, Terraform, ODBC, Data Queues, WebSockets, FastAPI, RH other

Save

Mark Applied

Hide

Senior Software Engineer

Lisle, Illinois, United States

$92k-$138k/yr OnsiteFull Time

International Motors: Manufacturer of commercial trucks, buses, and transportation solutions.

3+ YOE3+ years software engineering; server-side TypeScript/Python/Java/C#/Ruby; frontend React/Angular/Vue; Azure/AWS/GCP; SQL/data engineering; SOLID principles; code reviews.

TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, Azure, AWS, GCP, Terraform, Jest, SQLServer

3mo

Save

Mark Applied

Hide

3mo

Full Stack Engineer - ETF Focus

Chicago, Illinois, United States

$140k-$300k/yr OnsiteFull Time

Corgi: AI-native insurance carrier providing automated coverage for startups.

Builds full-stack apps with Python, TypeScript, SQL on AWS; experience with data pipelines and fintech/regulatory workflows.

Python, TypeScript, SQL, AWS

Save

Mark Applied

Hide

Site Reliability Engineer II

Chicago, Illinois, United States

$94k-$157k/yr HybridFull Time

CME GroupNASDAQ: CME: Operates global derivatives marketplaces for trading futures and options.

Linux experience, scripting (Python/Bash), strong problem-solving, on-call, cloud migration know-how.

Linux, Python, Bash, OpenTelemetry, Splunk, Prometheus, Grafana, Kubernetes, Google Cloud Platform, GCP

Save

Mark Applied

Hide

AI/ML Engineer (AWS)

Chicago or Detroit

$120k-$140k/yr HybridFull Time

ReplyBorsa Italiana: REY: Digital transformation, IT consulting, and system integration services.

3+ YOEExperience in ML/AI on AWS; Python; large language models; CI/CD; 3+ years in production; US citizen or GC; Bachelor's in CS/Engineering.

AWS, Python, Machine Learning, Large Language Models, CI/CD

Save

Mark Applied

Hide

Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.

5+ YOEBachelor's degree in CS/Software/Data Eng or related field; 5+ years full-stack software development; 5+ years React/JavaScript/TypeScript; 3+ years ontology/taxonomy development; 5+ years web development with ReactJS/Redux/JS/TS/HTML/CSS

Palantir Foundry, Workshop, Slate, React, TypeScript, Python, PySpark, REST, JDBC, S3/Parquet, Git

2mo

Save

Mark Applied

Hide

2mo

Quantum Software Engineer - Machine Learning

Chicago, Illinois, United States

$135k-$160k/yr HybridFull Time

InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.

BS/MS in related field; ML model development; tensor networks or physics-informed ML; Python with PyTorch/JAX/TensorFlow; HPC/GPU experience; strong math; travel up to 10%; collaborative R&D environment.

Python, PyTorch, JAX, TensorFlow, Tensor Networks, HPC, GPUs

1mo

Save

Mark Applied

Hide

1mo

Ignition Developer

Bannockburn or Chicago or Crystal Lake or Mokena or Naperville or Peoria

$100k-$120k/yr HybridFull Time

Baxter & Woodman: Engineering and technology services for municipal infrastructure projects.

5+ YOE5+ years experience designing and developing HMI/SCADA with Ignition; SQL, Python, Java; PLC/IT/OT knowledge; ISA 101; BS in CS/EE/related field; 100k-120k; multiple IL locations.

Ignition, SQL, Python, Java, MQTT, Modbus, DNP3

2mo

Save

Mark Applied

Hide

2mo

Lead Software Engineer (Full Stack)

Lincolnwood, Illinois, United States

$130k-$180k/yr RemoteFull Time

Lyric National: Provides concierge healthcare services to long-term care facilities.

6+ YOELead full-stack engineer with 6+ years of experience, strong Python, API/integration, frontend JS, and cloud/container skills.

Python, Temporal, Celery, PostgreSQL, JavaScript, HTMX, Alpine.js, Docker, Kubernetes, Azure

2mo

Save

Mark Applied

Hide

2mo

Senior AI Software Engineer

Chicago or United States

HybridFull Time

FISNYSE: FIS: Technology solutions for global banking, payments, and capital markets.

5+ YOE5+ years backend software engineering with Python; API design, cloud, and AI/ML integration; strong communication; responsible AI.

Python, Java, FastAPI, PostgreSQL, Redis, AWS, Bedrock, Kubernetes, Docker, OpenAI, Claude, LangChain, vector databases, Redshift, Temporal

Save

Mark Applied

Hide

Senior Software Engineer - Product

New York or Chicago

$170k-$190k/yr HybridFull Time

ElectronX: Operates a regulated electricity derivatives exchange market.

5+ YOE5+ years full-stack software engineering; strong backend in Python/Go; strong frontend in TypeScript/React; APIs, distributed systems, databases; security and compliance awareness; Bachelor’s degree

Python, Go, TypeScript, React, PostgreSQL, MySQL, Git, Docker, Kubernetes, Terraform

Save

Mark Applied

Hide

Lead Software Engineer, Gen AI

Chicago or Peoria

$128k-$209k/yr OnsiteFull Time

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

Lead Software Engineer for Gen AI; Python, AWS, CI/CD, LangChain/LangGraph, FastAPI; collaboration with data scientists; production AI pipelines.

Python, GitHub Actions, AWS, SageMaker, Lambda, API Gateway, RDS, FastAPI, LangChain, LangGraph, Semantic Kernel, Crew.ai, Apache Airflow

1mo

Save

Mark Applied

Hide

1mo

Senior Developer

Chicago, Illinois, United States

$140k-$170k/yr OnsiteFull Time

Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage platforms.

5+ YOE5+ years C/C++ on Linux; 2+ years blockchain with EVM/non-EVM; DeFi custody experience; smart contract security; strong communication.

Solidity, Hardhat, Foundry, RPC, C++, Python, Go, Rust, Bash, TCP/IP

Save

Mark Applied

Hide

Deployed Engineer (Salt Lake City)

San Francisco or New York or Chicago or Austin or Denver or Atlanta or London or Amsterdam

$150k-$250k/yr RemoteFull Time

LangChain: Tools for building and deploying production-ready AI agents.

3+ YOE3+ years in a technical role; strong Python and JavaScript; experience with agent-based or LLM-powered applications; comfortable with customer-facing engagements; able to explain tradeoffs clearly; bias toward action; able to operate AI agents in production.

Python, JavaScript, LangChain, LangGraph

Save

Mark Applied

Hide

Software Engineer II, QP

Chicago, Illinois, United States

$125k-$160k/yr RemoteFull Time

Ocient: Hyperscale data analytics platform for large and complex datasets.

2+ YOEBS/MS/PhD in CS/related field; 2+ years with OO languages; 1+ years Python/test infra; strong data structures/algorithms; Linux; English fluency; experience with performance testing.

C++, Java, C#, Python, Linux

Save

Mark Applied

Hide

AI deployment engineer (US)

San Francisco or Chicago or Austin or New York City

$132k-$185k/yr HybridFull Time

Writer: Platform for building and deploying enterprise generative AI agents.

5+ YOE5+ years in technical SaaS roles; 3+ years in solutions architecture or technical consulting; Python and API fluency; experience delivering complex enterprise solutions; strong communication; builder mindset; customer-focused.

Python, APIs, Knowledge Graph, WRITER platform

2mo

Save

Mark Applied

Hide

2mo

AI Engineer

Chicago or Atlanta or New York

$175k-$240k/yr HybridFull Time

Antares Capital: Provides credit and investment solutions for middle-market companies and investors.

5+ YOE5+ years AI/ML development; 2+ years with LLM systems; strong Python; experience with RAG, vector databases, ontology modeling, and MLOps.

Python, Databricks, Spark, Delta Lake, Unity Catalog, FAISS, Pinecone, Milvus, Microsoft Fabric, Azure, Terraform, Docker, REST, GraphQL

2mo

Save

Mark Applied

Hide

2mo

Data Engineer

Oak Brook, Illinois, United States

$104k-$138k/yr OnsiteFull Time

Worldpac: Wholesale distributor of original equipment and aftermarket automotive parts.

4+ YOE4+ years in data engineering or software development; SQL and Python; cloud data platforms; ETL/ELT pipelines; on-site in Oak Brook, IL.

SQL, Python, Snowflake, Databricks, BigQuery, Redshift, Airflow, Prefect, Dagster, Kafka, Kinesis, AWS

Save

Mark Applied

Hide

Full Stack Software Engineer

Reston or Chicago or Plano

$123k-$161k/yr HybridFull Time

Fannie MaeOTCQB: FNMA: Providing liquidity and stability to the U.S. housing market.

2+ YOE2 years SDLC experience; backend Java/TypeScript/Python; Angular frontend; SQL/NoSQL; AWS; DevOps; GenAI tools; mortgage domain knowledge.

Node.js, Python, Java, Spring Boot, Angular, NgRx, RxJS, TypeScript, JavaScript, Git, Jenkins, Docker, Terraform, AWS CloudFormation, DynamoDB, PostgreSQL, Oracle, Postman, Putty, IntelliJ, VSCode

1mo

Save

Mark Applied

Hide

1mo

Sr Engineer - Machine Learning - Regulatory

Chicago, Illinois, United States

$140k-$173k/yr HybridFull Time

CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.

5+ YOESenior software engineer with 5+ years Python, strong SQL, production ML experience, cloud data platforms (Snowflake/Databricks/BigQuery), CI/CD, Docker, mentoring.

Python, SQL, Snowflake, Databricks, BigQuery, Docker, CI/CD, PyTorch

2mo

Save

Mark Applied

Hide

2mo

Senior Full-Stack Engineer

Chicago, Illinois, United States

HybridFull Time, Contract

Human Agency: Develops custom artificial intelligence software and organizational AI strategies.

Senior full-stack engineer with backend in Python and Ruby on Rails, secure systems, AI/ML integration, frontend in React/Vue, and experience with CI/CD and encryption.

Python, Ruby on Rails, OpenAI APIs, LangChain, Hugging Face, Pinecone, Weaviate, React, Vue, Okta, Snowflake

Save

Mark Applied

Hide

2026 Summer Intern - Software Engineer

Chicago, Illinois, United States

$47/hr HybridTemporary

CIBCToronto Stock Exchange: CM: Providing personal and business banking and wealth management services.

0+ YOEJunior or senior majoring in CS/IT/SE or related field; graduation 2026-2027; knowledge of SDLC, databases (Oracle/SQL), and security basics; Python experience; adaptable and team oriented.

C++, Python, Oracle, SQL, Excel, Office, STL

Save

Mark Applied

Hide

Principal Innovation Engineer

Minnetonka or Austin or Chicago or Dallas or Detroit or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland

$102k-$208k/yr OnsiteFull Time

HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.

10+ YOEBachelor’s degree in Computer Science or related field; 10+ years in software engineering and architecture; hands-on end-to-end development; experience with AI-enabled applications and API/integration patterns; ability to lead complex initiatives in fast-paced environment.

Java, Python, TypeScript, JavaScript, React, Next.js, APIs, Workflow automation, Cloud platforms, Vertex AI, Gemini

Save

Mark Applied

Hide

Sr. Power BI Developer

Atlanta or Sarasota or Tampa or Columbus or Charlotte or Detroit or Nashville or Chicago or Dallas

OnsiteFull Time

Intertape Polymer Group: Produces industrial tapes, films, and automated packaging equipment.

3+ YOE3-5 years BI development and data engineering; Microsoft Fabric; Power BI; SQL (T-SQL); PySpark; Python.

Microsoft Fabric, Power BI, SQL, PySpark, Python