Junior Python Developer Jobs in Round Lake Beach, IL, US

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Junior Quantitative Developer

New York or Chicago

$125k-$185k/yr OnsiteFull Time

Harbor Capital Advisors: Provides active asset management and fund administration services.

0+ YOEBachelor’s degree in a quantitative/technical field; 0–3 years software/quantitative experience; strong Python; SQL/PostgreSQL; production engineering; interest in financial markets.

Python, SQL, PostgreSQL, Git, CI/CD, Data pipelines, ETL

1mo

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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

1mo

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1mo

Junior Quantitative Latency Engineer

Chicago or Austin or London or New York City or Singapore

$200k-$300k/yr HybridFull Time

Hudson River Trading: A quantitative firm using technology to trade global financial markets.

0+ YOEProficiency in Python and Pandas; strong data analytics; technical degree or equivalent; quick learner; cross-functional collaboration.

Python, Pandas, Data Analysis Tools

1mo

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1mo

JUNIOR INFRASTRUCTURE ENGINEER

Aurora, Illinois, United States

$80k-$120k/yr HybridFull Time

XR Trading: Provides liquidity in global financial markets using proprietary technology.

0+ YOEEarly-career infra engineer with TCP/IP, routing, troubleshooting, and scripting; onsite in Aurora, IL; CCNA preferred.

TCP/IP, Networking, Wireshark, tcpdump, Python, CCNA

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Junior Software Engineer

Chicago, Illinois, United States

OnsiteFull Time

TransMarket Group: A global proprietary trading firm utilizing automated technology.

Bachelor’s degree in a quantitative or technical field; programming experience in C++ and Python; strong math/finance knowledge; onsite only; excellent communication.

C++, Python, Linux

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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

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Software Engineer Internship (Technical Operations Team) - Summer 2026

Chicago, Illinois, United States

$25/hr OnsiteInternship

Gelber Group: Executes electronic trades using proprietary capital globally.

0+ YOEPursuing a BS/MS in CS or related field; junior or higher; strong Python; web development experience; good communication with non-engineering stakeholders.

Python, JavaScript, TypeScript, C#

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Junior Quality Engineer – AI Ecosystem

Chicago, Illinois, United States

$90k-$100k/yr HybridFull Time

LenovoHKSE: 992: Manufactures personal computers, mobile devices, and server infrastructure.

2+ YOE2+ years in Quality Engineering or Software Testing; Bachelor's in Engineering or a technical field; experience with manual and automated testing; basic automation (Python/Java/JavaScript).

Python, Java, JavaScript, Android, Cloud, CI/CD

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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

1mo

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1mo

2026 Summer Intern - Software Engineer

Chicago, Illinois, United States

$47/hr HybridInternship, Temporary

CIBCToronto Stock Exchange: CM: Provides personal, commercial, and investment banking and wealth management.

0+ YOEJunior or senior majoring in CS/IT/Software Engineering; expected graduation Dec 2026–Jun 2027; SDLC, Oracle/SQL, batch processing, firewalls, FTP/SFTP knowledge; Python; AI knowledge is a plus; strong teamwork and communication.

Python, Oracle, SQL, FTP/SFTP, Firewalls, Microsoft Office, Excel, PowerPoint

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Sr. Platform Engineer I

Chicago or Remote

$165k-$180k/yr HybridFull Time

NinjaTrader: Provides futures brokerage services and a trading software platform.

8+ YOE8+ years in platform engineering, DevOps, or developer tooling; strong CI/CD, Kubernetes/Docker, scripting (Python/Go/Bash); IaC (Terraform/Helm); cloud (AWS/GCP/Azure); focus on developer experience.

Kubernetes, Docker, Terraform, Helm, GitHub Actions, Python, Go, Bash

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Application Developer

Tampa or Cleveland or Sarasota or Arlington or Nashville or Milwaukee or Dearborn or Orlando or Charlotte

OnsiteFull Time

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

0+ YOEBachelor's in computer science, IT, software engineering, or related field; foundational programming experience; basic knowledge of C#/.NET, JavaScript/TypeScript, Python; introductory Azure and Power Platform concepts; APIs, databases, Git; strong teamwork and willingness to learn.

C# / .NET, JavaScript / TypeScript, Python, Azure, Power Platform, APIs, Databases, Git, Azure DevOps

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Associate AI Engineer / AI Engineer

Chicago or Lewisville or Toronto

$80k-$120k/yr HybridFull Time

Applied Systems: Cloud-based software for insurance agency and brokerage management.

Python and SQL programming; data science exposure; interest in applied AI; cloud platforms (Google Cloud); API knowledge; problem-solving.

Python, SQL, Google Cloud, Vertex AI, Looker, Tableau, Power BI, Git

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Software Developer - Summer Internship 2026

Bensenville, Illinois, United States

OnsiteTemporary, Internship

Al Warren Oil Company: Distributes petroleum fuels, lubricants, and renewable energy products.

Current student or recent graduate in CS/Software Engineering; experience with JavaScript/Python; SQL/NoSQL databases; cloud familiarity; team player.

JavaScript, Python, SQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, APIs, Git

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Web Developer Intern (Milwaukee, WI, US, 53204-2941)

Milwaukee, Wisconsin, United States

OnsiteAll Commitments Available

KomatsuTokyo Stock Exchange: 6301: Manufactures and services construction, mining, and industrial heavy machinery.

0+ YOEPursuing or recently completed Bachelor’s/Master’s in Computer Science, Software Engineering, or related field; basic software development knowledge; AI and micro-services exposure; programming in Java, Python, C#, Kotlin, or similar.

Azure, Kubernetes, Java, Python, C#, .NET Core

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Software Development Engineer I

Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami

$37-$59/hr HybridFull Time

DLA Piper: Global law firm providing comprehensive legal and business services.

1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.

Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript

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Software Engineer, Entry Level

Milwaukee or Jacksonville or Atlanta

HybridFull Time

FISNYSE: FIS: Provides technology solutions for merchants, banks, and capital markets

1+ YOE1+ years software engineering experience; Java (Spring Boot) and Python; AWS; CI/CD; DevOps; REST/microservices; Agile/scrum; on-call readiness.

Java, Python, Spring Boot, AWS (EC2, ECS, EKS, Lambda, RDS, S3, SQS, API Gateway, IAM), Jenkins, GitHub Actions, AWS CodePipeline, Harness, Dynatrace, Splunk, CloudWatch, Docker, Kubernetes, Jira

1mo

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1mo

Software Engineer, Early Career

Chicago or New York

$150k-$200k/yr OnsiteFull Time

Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.

0+ YOEBachelor's in CS/Software Eng; 0-3 years experience; Python or C++; knowledge of event-driven architectures and distributed systems; strong quantitative skills preferred.

Python, C++

2mo

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2mo

Associate Software Engineer, Credit Tech

Chicago, Illinois, United States

$71k-$120k/yr HybridFull Time

MorningstarNasdaqGS: MORN: Provides independent investment research and financial data services.

0+ YOE0–2 years of software development experience; bachelor’s degree in computer science or related field; backend and cloud experience with AWS; REST APIs, Python, SQL/NoSQL; AWS services (Bedrock, Lambda, SQS, SNS, API Gateway, S3, RDS); frontend exposure (Vue.js) a plus; strong problem solving and Agile/Scrum familiarity.

AWS Bedrock, AWS Lambda, AWS SQS, AWS SNS, API Gateway, S3, RDS, REST APIs, Python, Vue.js, SQL, NoSQL, Git, AI-assisted development tools

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Software Development Engineer Intern

Belvidere, Illinois, United States

$25-$35/hr OnsiteInternship

AnritsuTokyo Stock Exchange: 6754: Global provider of communications test and measurement solutions

0+ YOEPursuing BS/MS in Computer Science/Computer Engineering; strong communication; analytical; OOAD knowledge; basic Python/Java/C++.

Python, Java, C++

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Software Engineer - Data

Chicago or New York

$175k-$225k/yr HybridFull Time

IMC: Global trading firm providing liquidity to financial markets.

1+ YOEBachelor's degree in Computer Science/Engineering or related field; 1 year of relevant experience; Java/C/C++, Python; Kafka, Spark/Flink; Kubernetes/Docker; Unix scripting; data handling with Big Data backends; monitoring tools; code reviews; collaborative environment.

Java, C/C++, Python, Kafka, Databricks, S3, HDFS, Apache Spark, Apache Flink, Kubernetes, Docker, Prometheus, Grafana, Unix scripting

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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

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Software Engineer, Innovation Team

Chicago, Illinois, United States

$90k-$120k/yr OnsiteFull Time

Alvarez & Marsal: Provides management consulting, restructuring, and business advisory services.

1+ YOE1-2 years experience building full-stack apps; focus on frontend with React; REST APIs; Git/Jira; CI/CD; Docker; Linux; MVC; plus Python/Django and cloud skills a plus.

React, JavaScript, Git, Jira, GitHub Actions, Docker, Linux, WSL2, VSCode, REST API, CI/CD, Python, Django, AWS, Azure

10h

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10h

Software Engineer Intern

Chicago, Illinois, United States

$25-$35/hr OnsiteFull Time, Internship

HERE Technologies: Provides high-precision mapping and location data for global enterprises.

0+ YOEUndergrad CS/CE/MIS; ML/data pipeline experience; Python/Java; CI/CD; AWS; Unix/Linux; Git; strong communication; team-oriented; self-motivated.

Python, Java, J2EE, Spring, JSON, Protobuf, XML, AWS, Unix/Linux, Git, Subversion, CVS, CI/CD, GitLab, Jenkins, Kubernetes, Docker

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Software Engineer Intern

Chicago, Illinois, United States

$25-$35/hr OnsiteInternship

HERE Technologies: Provides digital mapping data and location-based software services.

Pursuing undergraduate CS/CE/MIS degree with experience in data or ML pipelines; proficient in Python/Java/Spring; familiar with data formats (JSON/Protobuf/XML); AWS knowledge; Unix/Linux; Git; CI/CD (GitLab/Jenkins); strong communication; team player; ability to work independently.

Python, Java, Spring, JSON, Protobuf, XML, AWS, Unix/Linux, Git, CI/CD, GitLab, Jenkins

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Web Developer (Django)

Wheaton, Illinois, United States

$70k-$90k/yr RemoteFull Time

Crossway: Publishes the ESV Bible and gospel-centered Christian literature.

Proficiency in Python, Django, HTML, JavaScript, SQL, Git; detail-oriented, organized, and collaborative.

Python, Django, HTML, JavaScript, SQL, Git

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Mainframe Developer

Chicago, Illinois, United States

$50k-$94k/yr HybridFull Time

CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.

Mainframe development experience with COBOL, Db2, JCL; familiarity with DevOps for mainframe; strong problem-solving and collaboration.

COBOL, DB2, JCL, Python, DevOps tools (Micro Focus, IBM, Compuware), CICS, VSAM, FILEAID, SPUFI, Gen 10, CoolGen, Open Legacy, IBM DVM, GitHub, SCLM IDZ, Changeman

1mo

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1mo

Embedded Software Engineer – Intern

Schaumburg, Illinois, United States

OnsiteFull Time, Internship

rf IDEASNYSE: ROP: Designs and manufactures RFID readers for logical access control.

Pursuing a Bachelor's in CS/CE/EE or related; strong C/C++; version control; embedded systems coursework or projects; able to read/understand codebases.

C, C++, Version Control, RTOS, Python, USB/HID

1mo

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1mo

Embedded Software Engineer I

Schaumburg, Illinois, United States

$71k-$100k/yr HybridFull Time

Life Fitness: Designs and manufactures commercial and home fitness equipment.

BS in Computer Science/Software/Computer Engineering; C/C++; embedded Linux with Yocto; Git; unit tests with Google Test/Mock; kernel interfaces; Agile/Scrum; strong teamwork.

C, C++, Embedded Linux, Yocto, Git, Google Test/Mock, Linux kernel drivers, Jira, Jenkins, Python, Shell

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Software Engineer I (Full Stack) Java

Deerfield, Illinois, United States

$79k-$127k/yr HybridFull Time

Walgreens: Retail pharmacy providing prescriptions and health and wellness products.

4+ YOEFull stack role requiring Java backend, React/Angular frontend, CI/CD, cloud, and Agile experience.

Java, Spring Boot, REST APIs, React, Angular, Oracle, MySQL, MongoDB, Azure, AWS, Google Cloud, CI/CD, Docker, Python, Bash, Linux

1mo

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1mo

JR APPLICATION DEVELOPER

Bloomingdale, Illinois, United States

$60k-$75k/yr OnsiteFull Time

NOW Health Group: Manufactures and distributes natural health products and supplements.

0+ YOEEntry-level developer; bachelor's in computer science; internship or prior relevant work; basic programming in multiple languages; SQL experience; basic AI, cloud computing knowledge; willingness to learn tools.

Oracle SQL Developer, Toad, Oracle BI, SQL, Python, Java, JavaScript, C#, AWS, Azure, Google Cloud Platform

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Software Engineer I (.NET MVC)

Warrenville, Illinois, United States

$70k-$90k/yr OnsiteFull Time

Phigenics: Provides independent water management guidance and safety testing services.

1+ YOEAssociates or Bachelor's in Computer Science; 1-3 years IT experience; skills in C#, ASP.NET MVC, JavaScript, SQL Server; US resident with Green Card or citizenship; no visa sponsorship.

C#, ASP.NET MVC, Entity Framework, JavaScript, jQuery, CSS, Bootstrap, SQL Server, Python, .NET

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Reliability Engineer

Milwaukee, Wisconsin, United States

OnsiteFull Time

Milwaukee ToolHong Kong Stock Exchange: 0669: Manufacturer of professional-grade power tools and jobsite solutions.

0+ YOEBachelor's in electrical or mechanical engineering with 0-2 years in product development, reliability, testing or quality; strong analytical, data analysis, and programming skills.

Python, nCode Glyphworks, Dewesoft, LabVIEW, Minitab, Reliasoft Weibull++

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Embedded Software Engineer – Level 1 or 2

Rolling Meadows, Illinois, United States

$73k-$109k/yr OnsiteFull Time

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

1+ YOEBachelor’s in STEM with 1-2 years experience; TS/SCI clearance; C/C++; scripting; lab testing; on-site rollings Meadows IL.

C, C++, Python, JavaScript, Perl, Unix shell, Oscilloscopes, signal generators, spectrum analyzers

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Senior Solution Engineer

Chicago, Illinois, United States

$165k-$217k/yr RemoteFull Time

SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.

10+ YOE10+ years in industry with at least 5 in pre-sales; strong presentation skills; experience with large-scale database/data warehouse tech; SQL, Python; travel ~30%.

SQL, Python

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Data Engineer Intern

Milwaukee, Wisconsin, United States

$38k-$57k/yr HybridFull Time, Internship

MGICNYSE: MTG: Provides mortgage insurance to lenders for low-down-payment home loans.

Pursuing a bachelor’s degree in computer science, data analytics, data science, or related field; strong SQL and Python; familiar with data warehousing and BI concepts; collaborative and self-motivated; hybrid work in Milwaukee.

AWS, Snowflake, Fivetran, Dbt, SQL, Python

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Software Engineer, Full Stack - AI (Chicago) (Chicago, IL, US)

Chicago, Illinois, United States

$110k-$130k/yr HybridFull Time

Fitch Group: Provides global credit ratings and financial market research services.

1+ YOE1+ years software engineering; BS in computer science or software engineering; experience with AWS data services (Glue, Lambda, S3, DynamoDB); Python (PySpark, Pandas, FastAPI); SQL; Kafka; Airflow; Snowflake; AI tools for code; REST/GraphQL APIs; GitHub Copilot or similar.

AWS (Glue, Lambda, S3, DynamoDB), PySpark, Pandas, FastAPI, SQL, Kafka, Airflow, Snowflake, Iceberg, Delta Lake, Collibra, Alation, GraphQL, REST, GitHub Copilot, AI tools for coding

1mo

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1mo

FPGA Engineer (IL, Chicago)

Chicago, Illinois, United States

OnsiteFull Time

EndoSec: Security software and cryptographic hardware for government and defense.

Experience with RTL languages (VHDL/Verilog), C/C++, Python; FPGA design/verification; hardware security; Xilinx/Intel toolchains; system integration; ability to obtain US government security clearance.

RTL, C/C++, Python, VHDL, Verilog, Tcl, Vivado, GHDL, Questa, Quartus Prime, Zynq, Agilex, AXI, ACE, Avalon, cocotb, pyuvm

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Forward Deployed Engineer I, GenAI, Google Cloud

San Francisco or Atlanta or Austin or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Miami or New York City or Portland or Los Angeles or Reston or Seattle or Sunnyvale or Washington D.C.

$102k-$145k/yr OnsiteFull Time

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

1+ YOEBachelor's degree; experience in AI, Python/Typescript; cloud experience; applied AI knowledge.

Python, Typescript, Cloud Platform, LangGraph, CrewAI, Google ADK, RAG, MCP