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Java Python Developer Night Jobs in Mundelein, IL

3B Staffing LLC

Lead AI/Python Developer

Chicago, IL · On-site

$144K - $177K/yr

This engineer will play a crucial role in enhancing AI applications to improve customer experience ... Develop and maintain web applications using Python (primary), Java, and Java Spring. * Design ...

Posted today

3B Staffing LLC

Lead AI/Python Developer

Chicago, IL · On-site

$144K - $177K/yr

This engineer will play a crucial role in enhancing AI applications to improve customer experience ... Develop and maintain web applications using Python (primary), Java, and Java Spring. * Design ...

Posted today

Kanak Elite Services Inc

Java Full Stack Developer

Chicago, IL · On-site

$54 - $69.75/hr

JAVA FULL STACK DEVELOPER Location: Chicago, IL - onsite day 1 (Need Local Candidates) Join our ... Our technology stack includes Java, Python, and C#, and we are passionate about building products ...

MMI

Java Developer w/ Python or Perl

Chicago, IL · On-site

Java Developer w/ Python or Perl Location: Chicago, IL Position Type: Contract Unfortunately, we cannot work with 3rd party & H1B employee's. Description: -We are looking for a software developer to ...

Innovizant LLC

Java Developer/Architect

Schaumburg, IL

$61.75 - $83.50/hr

... Java, Python or C or C++ Experience in implementing and consuming Web Service technologies/APIs(SOAP, REST, JSON). Experience in Hibernate, Spring (boot, core, aop, mvc, orm) , Struts and related ...

Innovizant LLC

Java Developer/Architect

Schaumburg, IL · On-site

$61.75 - $83.50/hr

... include Java, Python or C or C++ • Experience in implementing and consuming Web Service ... programming • Experience in scheduling using AutoSys, Crontab • Experience working on a team ...

Hirekeyz Inc

DevOps/SRE Developer

Chicago, IL · On-site

Exp with at least 1 high level programming language (Java/Python etc) * Exp with setting up and managing Github and using GitHub Actions * Exp with setting up CI/CD pipelines for building and ...

IMC

Data Engineer

Chicago, IL · On-site

$118K - $141K/yr

We are seeking a dedicated and experienced Data Engineer to join our Chicago team. The ideal ... Build, deploy, and monitor our data processing pipelines (Java, Python, Spark, Flink) * Collaborate ...

MMI

Java Developer w/ Python or Perl

Chicago, IL

Title: Java Developer w/ Python or Perl Location: Chicago, IL Position Type: Contract Unfortunately, we cannot work with 3rd party & H1B employee's. Description: -We are looking for a software ...

IMC

Data Engineer

Chicago, IL · On-site

$175K - $225K/yr

We are seeking a dedicated and experienced Data Engineer to join our Chicago team. The ideal ... Build, deploy, and monitor our data processing pipelines (Java, Python, Spark, Flink) * Collaborate ...

FIS Amount

Automation Engineer

Chicago, IL

$80K - $100K/yr

You will play a crucial role in developing robust automation frameworks using Java/Python and other technologies to support our QA processes. You will collaborate closely with QA engineers ...

IMC

Data Engineer

Chicago, IL · On-site

$175K - $225K/yr

We are seeking a dedicated and experienced Data Engineer to join our Chicago team. The ideal ... Build, deploy, and monitor our data processing pipelines (Java, Python, Spark, Flink) * Collaborate ...

Code Lab Technology

Java Developer

Highland Park, IL · On-site

$52 - $67.25/hr

... Java Developer 12 Months Required: * Strong Development background in Java (Full Stack, preferred ... Python, required-1 year * PCF preferred * If they have front end experience with Angular JS

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All JobsJava Python Developer JobsJava Python Developer Night JobsJava Python Developer Night Jobs in Mundelein, IL

Java Python Developer Night information

See Mundelein, IL salary details

$10

$58

$98

How much do java python developer night jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for java python developer night in Mundelein, IL is $58.83, according to ZipRecruiter salary data. Most workers in this role earn between $49.09 and $68.46 per hour, depending on experience, location, and employer.

What is the difference between Java Python Developer Night vs Java Python Developer Day?

AspectJava Python Developer NightJava Python Developer Day
Work HoursTypically overnight or late-night shiftsStandard daytime hours, usually 9am-5pm
Work EnvironmentLess crowded, quieter, often in 24/7 operationsBusy office or on-site environment during regular hours
Required SkillsSame technical skills, possibly with experience in night shift coordinationSame technical skills, with daytime collaboration focus
Employer UsageUsed in industries with 24/7 operations like IT support, bankingCommon in corporate offices, tech firms, and development teams

Java Python Developer Night roles involve working during overnight hours, often in 24/7 environments, while Java Python Developer Day roles follow regular daytime schedules. Both require similar technical skills, but the work environment and shift timing differ significantly.

What are popular job titles related to Java Python Developer Night jobs in Mundelein, IL? For Java Python Developer Night jobs in Mundelein, IL, the most frequently searched job titles are:
What job categories do people searching Java Python Developer Night jobs in Mundelein, IL look for? The top searched job categories for Java Python Developer Night jobs in Mundelein, IL are:
What cities near Mundelein, IL are hiring for Java Python Developer Night jobs? Cities near Mundelein, IL with the most Java Python Developer Night job openings:
Java Python Developer Night jobs near you
Infographic showing various Java Python Developer Night job openings in Mundelein, IL as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 16% Part Time, 5% Contract, and 3% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $122,368 per year, or $58.8 per hour.

Lead AI/Python Developer

3B Staffing LLC

Chicago, IL • On-site

$144K - $177K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

This engineer will play a crucial role in enhancing AI applications to improve customer experience and optimize internal processes. The ideal candidate will have experience developing chatbots, implementing AI agents, and working with advanced AI technologies such as LangChain, LlamaIndex, CrewAI, and Vector Databases. Additionally, they will work on fine-tuning AI models, optimizing Prompt Engineering, RAG, and GraphRAG methodologies to deliver intelligent, high-performing solutions.
As a key contributor, you will collaborate with stakeholders to leverage key performance indicators (KPIs), build data pipelines, ensure proper permission structures, and implement robust security measures within our AI ecosystem.
Key Responsibilities

  • Develop and maintain web applications using Python (primary), Java, and Java Spring.
  • Design, build, and optimize RESTful APIs to integrate internal systems and external services.
  • Migrate existing applications to a microservices-based architecture using containers.
  • Develop AI-driven applications leveraging LangChain, LlamaIndex, CrewAI, Vector Databases, and Neo4J.
  • Implement AI agents and optimize Prompt Engineering, RAG, GraphRAG, and fine-tuning techniques.
  • Develop and enhance AI-powered chatbots and automation solutions to improve business efficiency and user experience.
  • Work with OpenAI, Google AI, and open-source models to drive innovation.
  • Build and manage API-based data pipelines for real-time and batch data processing.
  • Ensure robust security and compliance standards in data processing workflows.
  • Enhance deployment automation and infrastructure reliability, working closely with DevOps and Operations teams.
  • Monitor system performance, latency, and API reliability through observability tools.
  • Write clean, efficient, and testable code, ensuring best practices in code reviews, unit testing, and performance optimization.
  • Document development processes and architectural decisions following internal frameworks.
  • Work in an Agile environment, participating in sprints, stand-ups, and retrospective meetings.
Required Qualifications
  • 5+ years of Full Stack Development experience with a strong emphasis on Python.
  • Proficient with Java full Stack development.
  • Experience with AI/ML application development, including Chatbots, AI agents, and Prompt Engineering.
  • Hands-on experience with LangChain, LlamaIndex, CrewAI, and Vector Databases.
  • Expertise in cloud-native architectures and deploying applications using microservices and containers.
  • Proficiency in FastAPI and Pydantic for API development and data validation.
  • Strong knowledge of Graph Databases (Neo4J) and ML data pipelines.
  • Familiarity with OpenAI, Google AI, and open-source AI models.
  • Experience with DevOps, CI/CD pipelines, and observability tools.
  • Proven track record in developing AI applications that enhance automation and customer engagement.
Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment

Apply