454 junior python jobs at 198 companies in Berwyn, IL

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Junior Software Engineer
Chicago, Illinois, United States
OnsiteFull Time
TransMarket Group
TransMarket Group: A global proprietary trading firm utilizing automated technology.
Bachelor’s degree in a quantitative or technical field; programming in C++/Python; interest in finance; strong math and communication; onsite.
C++, Python, Linux scripting
2mo
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Junior Software Engineer
Chicago, Illinois, United States
$80k-$100k/yr OnsiteFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
Entry-level software engineer; learn SDLC, backend, coding; BS in CS or related field or equivalent practical experience; Java/C/C++, JavaScript; Java Spring Framework; handling high-priority requests; startup adaptability.
Java, C/C++, JavaScript, Python, Spring Framework, Spring Boot
2mo
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Junior Software Engineer (C++ & AI-Assisted Development)
Chicago, Illinois, United States
OnsiteFull Time
SG Cap Trading
SG Cap Trading: Proprietary trading firm developing automated trading software and systems.
1+ YOE1-2 years C++ experience; AI tooling experience; problem solving; BS in CS/CE or equivalent; Python is a plus; Git/IDE tooling; interest in local LLMs.
C++, Python, Git, CLion, VSCode, CI/CD, Local LLMs
1mo
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Junior Floor Trader
Chicago or London
$150k-$190k/yr OnsiteFull Time
Maven Securities
Maven Securities: Proprietary trading firm specializing in quantitative and systematic strategies.
0+ YOE0-2 years options market making experience preferred; strong Python and Excel skills; quick decision-making, numerical and analytical ability, excellent communication and teamwork.
Python, Microsoft Excel
1w
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Software Engineer (Entry-Level) - Python
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Pursuing a technical bachelor’s/masters/PhD graduating by Aug 2027 with 3.5+ major GPA, legal U.S. work authorization on day one (OPT/STEM accepted), strong Object-Oriented Python and distributed systems skills, and strong communication.
Python
1mo
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Junior Quantitative Analyst
Austin or Chicago or New York or Old Greenwich or San Francisco or West Palm Beach
$150k/yr OnsiteFull Time
WorldQuant
WorldQuant: Develops systematic investment strategies through quantitative research and data.
Undergraduate or advanced degree in a quantitative field; programming in Python and/or C++; Linux experience; strong problem-solving and quantitative skills; interest in financial data, machine learning, and data engineering.
Python, C++, Linux
2w
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Junior Security Analyst
Chicago, Illinois, United States
$24-$31/hr HybridFull Time
University of Chicago
University of Chicago: Provides higher education and conducts academic research.
0+ YOEEntry-level information security role supporting operations, vulnerability management, incident response, basic Python scripting, and log analysis; vocational training or equivalent and <2 years related experience.
Python
1mo
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Junior Data Scientist
Chicago or Austin or Denver or Washington or Atlanta or Boston or United States
$115k-$135k/yr RemoteFull Time
Cushman & Wakefield
Cushman & WakefieldNYSE: CWK: Global commercial real estate and property services firm.
2+ YOEBachelor's in a quantitative field, 2+ years experience in research/analytics/data science (real estate preferred), proficiency in Python/R and SQL, geospatial and econometric methods, working knowledge of cloud platforms.
Python, R, SQL, ArcGIS, QGIS, ACS, TIGER, LODES, BLS, IPUMS, NLCD, Overture Maps, Azure, AWS
3d
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Junior FPGA Engineer
Chicago, Illinois, United States
$150k/yr HybridFull Time
Eagle Seven
Eagle Seven: Proprietary firm executing algorithmic trading on global exchanges.
1+ YOEBachelor's in EE/CE/CS,1-3 years relevant experience, strong SystemVerilog/Verilog skills, ModelSim simulation experience, Python proficiency, familiarity with FPGA flows and high-speed interfaces.
SystemVerilog, Verilog, ModelSim, Questa, Vivado Simulator, Python, PCIe, Ethernet, DDR, Xilinx/AMD Vivado, Intel/Altera Quartus
1mo
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Junior Floor Trader
Chicago or London
$150k-$190k/yr OnsiteFull Time
Maven Securities
Maven Securities: Proprietary trading firm providing liquidity in global financial markets.
0+ YOE0-2 years options market making experience; strong Python and Excel, numerical and analytical skills, quick decision-making, teamwork and communication, interest in financial markets.
Python, Microsoft Excel
3w
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Junior Risk Analyst
Downers Grove, Illinois, United States
$85k-$105k/yr HybridFull Time
Invesco
InvescoNYSE: IVZ: Provides diversified investment management services and financial products globally.
1+ YOE1+ years relevant experience in investment risk, performance/attribution, or portfolio analytics; strong Python and quantitative skills; experience with risk/performance systems; bachelor’s degree in a quantitative field; progress toward CFA/CIPM/FRM desirable.
Python, SQL, FactSet, MSCI Risk Metrics
3w
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Junior FPGA Developer
Chicago, Illinois, United States
$100k-$175k/yr OnsiteFull Time
Edgehog Trading
Edgehog Trading: Proprietary firm specializing in systematic electronic options market-making.
BS/MS in EE/CE or related field, hands-on RTL design in Verilog/SystemVerilog, familiarity with ModelSim/QuestaSim/Vivado/Quartus and synthesis flow, Linux proficiency, Python/C/C++ a plus, eagerness to apply AI tools and learn HFT.
Verilog, SystemVerilog, ModelSim, QuestaSim, Vivado, Quartus, Linux, Python, C, C++
1w
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Software Engineer (C++ or Python) – 2027 Grads
New York City or London or Singapore or Austin or Chicago
$300k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
BS/MS in CS or related; proficient in C/C++ or Python, strong CS fundamentals, Linux/UNIX knowledge, excellent debugging and problem-solving, eligible for full-time roles in 2027.
C/C++, Python, UNIX, Linux
2w
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Junior AI/ML Engineer
Lisle, Illinois, United States
$76k-$114k/yr OnsiteFull Time
International Motors
International Motors: Manufacturer of commercial trucks, buses, and diesel engines.
0+ YOEBachelor's degree (or pursuing) accepted with no experience OR 2+ years software engineering; experience with Python, Pandas, Scikit-learn, SQL, Databricks, Dataiku, and Azure; foundational ML knowledge and strong teamwork and learning ability.
Python, Pandas, Scikit-learn, SQL, Databricks, Dataiku, Azure
1w
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Junior Architect / Senior Data Engineer - Remote
Schaumburg or Minneapolis or Washington or Springfield or United States
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEHands-on experience with Azure Data Factory, Databricks/PySpark, Synapse/Fabric, T-SQL and Python; strong data warehouse, ETL, CI/CD, monitoring and migration skills; willing to travel ~10%.
Azure Data Factory, Azure Synapse Analytics, Databricks, Microsoft Fabric, Azure Data Lake Storage Gen2, Delta Lake, Parquet, PySpark, T-SQL, Spark SQL, KQL, PowerShell, Bash, Azure Key Vault, Azure AD, Entra ID, Azure Monitor, Log Analytics, Azure DevOps, ARM, Bicep, Terraform, Synapse Dedicated SQL Pool, Azure SQL, Teradata, Snowflake, Informatica PowerCenter, Unity Catalog, OneLake, pandas, pytest
4d
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Internship - Quantitative Trading
Austin or Chicago or New York City
$5k-$6k/wk OnsiteInternship
Virtu Financial
Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.
Rising-junior college students for a 10-week internship; strong quantitative background (physics, engineering, math, statistics), outstanding problem-solving, and some programming experience (Python, SQL, Java, C++).
Python, SQL, Java, C++
1w
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Software Engineer – 2027 Internship Program (June Start)
Chicago, Illinois, United States
$150k-$200k/yr OnsiteInternship
Old Mission
Old Mission: Quantitative proprietary trading firm specializing in global market making.
Currently pursuing Bachelors or Masters in CS/CE or similar, 3.0+ GPA, junior standing with graduation Dec 2027 or May 2028, comfortable with C++, Python or TypeScript, strong CS fundamentals, able to start June 1, 2027.
C++, Python, TypeScript
3mo
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Sr Data Scientist, Fraud Risk Oversight
Austin or Chicago
$131k-$194k/yr HybridFull Time
PayPal
PayPalNASDAQ: PYPL: Digital platform for sending money and processing online payments.
3+ YOE3+ years experience with a Bachelor’s degree or equivalent; strong Python and SQL; experience in fraud risk analytics and mentoring junior scientists.
Python, SQL, Tableau, Looker, Power BI
4d
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Data Engineer
Chicago, Illinois, United States
$100k-$145k/yr RemoteFull Time
NinjaHoldings
NinjaHoldings: Provides digital banking, lending, and underwriting analytics platforms.
3+ YOE3+ years data engineering experience, bachelor’s degree preferred, advanced SQL, Python, AWS experience, experience building data pipelines and supervising junior engineers.
SQL, Python, Postgres, MySQL, EC2, RDS, Redshift, Glue, S3, Flask, RestAPI, Ruby on Rails
1mo
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Senior Data Scientist
United States or Chicago
$125k-$145k/yr HybridFull Time
AArete
AArete: Strategic profitability and digital transformation consulting services.
6+ YOE6+ years experience, bachelor’s in a quantitative field required (advanced degree preferred). Strong Python and SQL skills, experience with AI/ML, generative and agentic AI, BI tools, and ability to lead projects and mentor junior data scientists.
Python, SQL, Tableau, Microsoft Power BI, Claude Code, GitHub Copilot, Amazon SageMaker, Amazon Bedrock, AWS Lambda, AWS Glue, Amazon S3, Amazon Redshift, Snowflake