Sr. Software Engineer Jobs in Illinois

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AI Developer Python | LLM | GenAI | RAG Expert (Remote, )

NextGen IT Services

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Remote

Contract

We are hiring a Senior AI Developer to work on a high-impact Artificial Intelligence and Emerging Technology initiative. This is a hands-on engineering role, focused 80% on Python development, and 100% on LLM + RAG-based solution delivery. You ll work in a highly technical, collaborative team that builds production-ready full-stack applications infused with AI. Key ResponsibilitiesDesign and develop full-stack apps with GenAI + LLM integration Build APIs and RAG pipelines using Python, LangChain
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Posted 6 days ago | Updated 6 days ago

Senior AI Developer Python | LLM | RAG (Remote U.S. Only)

NextGen IT Services

•

Remote

Contract

We are hiring a Senior AI Developer to work on a high-impact Artificial Intelligence and Emerging Technology initiative. This is a hands-on engineering role, focused 80% on Python development, and 100% on LLM + RAG-based solution delivery. You ll work in a highly technical, collaborative team that builds production-ready full-stack applications infused with AI. Key ResponsibilitiesDesign and develop full-stack apps with GenAI + LLM integration Build APIs and RAG pipelines using Python, LangChain
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Posted 6 days ago | Updated 6 days ago

Lead React Developer

Primetime Technologies Inc

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Remote

Contract

REQUIRED 7+ years previous experience working as a React.js developer. 7+ years experience in React.js, HTML, CSS3. Vast experience in JavaScript and React concepts, advanced front-end coding skills, and an expert level understanding of progressive web applications. Extensive experience on front-end development and demonstrated ability to work in a fast-paced environment. Passion for supporting, collaborating, and coaching engineering teams. Comfortable driving code reviews and operating as anoi
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Posted 26 days ago | Updated 8 days ago

Engineer, Mechanical

Constellation Energy

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Warrenville, Illinois, USA

Full-time

PRIMARY PURPOSE OF POSITION Performs advanced technical/engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. PRIMARY DUTIES AND ACCOUNTABILITIES Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.Provide technical expertise
Posted 60+ days ago | Updated 4 hours ago

StarLIMS Developer

VRTek Consulting

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Remote

Contract

MUST have very good communication We are seeking a highly skilled Senior StarLIMS Developer. The successful candidate will play a pivotal role in the design, development, customization, and maintenance of StarLIMS. This role requires strong technical expertise, problem-solving skills, and a collaborative mindset to work effectively within cross-functional teams and contribute to the success of StarLIMS system. Key Responsibilities: Development and Configuration: Design, develop, and configure St
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Posted 1 day ago | Updated 12 hours ago

IOS Developer

Tekfortune Inc.

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Bolingbrook, Illinois, USA

Contract

Title: IOS Developer Location: Bolingbrook, Illinois [ONSITE] Job Description: We are looking for a skilled and experienced Lead iOS Developer to join our team for a strategic retail customer, Ulta Beauty Key Responsibilities: Lead the design, architecture, and development of complex iOS applications for retail customers.Collaborate with cross-functional teams including business analysts, designers, and backend developers.Work directly with the customer (Ulta Beauty) to gather requirements, pres
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Posted 2 days ago

iOS Developer

Vankay Systems

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Bolingbrook, Illinois, USA

Contract

Job Title: iOS Developer Hiring Mode: Contract Long Term Location: Bolingbrook, Illinois - OnsiteJob Description:We are looking for a skilled and experienced Lead iOS Developer to join our team for a strategic retail customer, Ulta BeautyKey Responsibilities:Lead the design, architecture, and development of complex iOS applications for retail customers.Collaborate with cross-functional teams including business analysts, designers, and backend developers.Work directly with the customer (Ulta Beau
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Posted 2 days ago

Cryptography Security Enginner

TEKsystems c/o Allegis Group

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Chicago, Illinois, USA

Full-time

The Senior Encryption Engineer leads first line of defense Information Security services around data protection security and related matters. They review, design and develop security operational processes, standards, and procedures utilizing current and new technologies to improve security controls and business performance. The Senior Encryption Engineer will coordinate with internal teams to implement data security solutions and improve security that is aligned with corporate business objective
Posted 8 days ago | Updated 1 hour ago

Golang Developer(Kubernetes & Azure) - Remote

Mokshaa LLC

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Remote or Seattle, Washington, USA

Full-time, Part-time, Contract, Third Party

Job Title: Golang Developer (Kubernetes & Azure) - Remote Engagement type : W2/1099/ C2C Client Domain: Aviation Domain Pay Range: $60/hr onwards - negotiable depending on experience & engagement type Golang Engineer/Developer (mandatory) with Kubernetes and Azure Expertise(good to have). Job Summary: We are seeking an experienced Golang Developer to join our team, specializing in building scalable and efficient software solutions using Golang, Kubernetes, and Azure. The ideal candidate will
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Posted 16 days ago | Updated 1 day ago

Documentum Developer with Life Science Experience

Spiceorb

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Remote

Contract, Third Party

Senior Documentum developer with Life Science Experience Location:- Remote Exp: 10+ Candidate should have strong experience in LSQM (specially in upgrade projects) Notes : Must have 10 or more years of recent development or production admin/support experience with Documentum version 16 or above. JD: Role Scope / Deliverables: Must have 10 or more years of recent development / production admin/support experience with Documentum version 16 or aboveThe resources are needed to support upgrade o
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Posted 2 days ago

Distribution Planning Engineer

ENTRUST Solutions Group

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Remote or Columbus, Ohio, USA

Full-time

Introduction: Are you passionate about enhancing power distribution systems and shaping the future of energy? Join our Distribution Planning team, where you'll play a pivotal role in upgrading, maintaining, and automating power distribution systems. Collaborate with diverse teams and bring your expertise to solve complex challenges in the energy sector. Responsibilities: This position offers hybrid, and in-office options depending on location. As a Distribution Planning Engineer, you'll be at
Posted 5 days ago | Updated 4 hours ago

Lead Systems Requirement Engineer

GE Vernova

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Oakbrook Terrace, Illinois, USA

Full-time

Job Description Summary Systems engineering is a cross-functional engineering discipline centered on an approach, mindset, and process. All activities that consider both the business and the technical needs of the customers with the goal of providing a quality product that meets the users needs. The discipline that executes a robust process of design, creation, and optimization of systems, consisting of identification and quantification of system requirements, creation of alternate system design
Posted 26 days ago | Updated 4 hours ago

Engineer, Electrical

Constellation Energy

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Marseilles, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 60+ days ago | Updated 4 hours ago

SharePoint Developer Journeyman - Remote

Dunhill Professional Search

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Remote

Full-time

U.S. Citizenship Required with Secret Security Clearance SharePoint Developer Journeyman is responsible for developing, coding, testing, and debugging SharePoint software and enhancements to existing SharePoint software. The SharePoint Developer is responsible for a complex development project, providing general oversight and direction to the developers on the project in a senior developer capacity. Conceives, designs, and tests logical structure to meet program requirements. Writes programs acc
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Posted 26 days ago | Updated 1 hour ago

(Python Based) Lead Research Engineer

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Research Engineer Do you love creating innovative solutions for customers? We are seeking a passionate Lead Research Engineer who will bring expertise in AI and ML and is interested in building data-driven capabilities that drive transformation. As a member of Thomson Reuters Labs you will have a direct impact on our company by helping to create new and innovative capabilities that will delight our customers. What does Thomson Reuters Labs do? We experiment, we build, we deliver. We suppor
Posted 60+ days ago | Updated 4 hours ago

Full Stack Java Developer - AVP - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de
Posted 44 days ago | Updated 16 hours ago

PostgreSQL Database Engineer

People Force Consulting Inc

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Remote

Third Party, Contract

We are looking for experienced Database Engineers with strong expertise in PostgreSQL and a working knowledge of Ruby. The ideal candidates will have a proven track record in database design, optimization, and refactoring, and will be comfortable working in a collaborative, fast-paced environment. Responsibilities: - Design, refactor, and optimize PostgreSQL database schemas, tables, and complex joins.Analyze and improve query performance and indexing strategies.Collaborate with development team
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Posted 6 days ago | Updated 1 day ago

Static Timing Analysis (STA) Engineer

Infobahn Softworld Inc.

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Remote or Santa Clara, California, USA

Full-time, Contract, Third Party

Role Title: Senior ASIC Engineer, Static Timing Analysis Location: Remote is an option for right fit / San Jose, CA / Austin, TX / Longmont, CO Duration: 12+ months contract Description: Responsible for the development of complex multi-mode / multi-corner timing constraints that are compatible for RTL and signoff Drive the pre-route timing checks and QoR clean up to eliminate SDC issues and ensure a quality handoff for STA checks Requires a mix of SDC knowledge, EDA tool competence and TCL bas
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Posted 16 days ago | Updated 8 hours ago

SQL Developer with MSBI and Power BI

Everest Global Solutions

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Remote

Contract

Job Title: SQL Developer with MSBI and Power BI Location: 100% Remote (USA) Employment Type: W2 Duration:12 Months Contract Job Summary: We are seeking an experienced SQL Developer with strong expertise in MSBI (SSIS, SSRS, SSAS) and Power BI for a 100% remote W2 opportunity. The ideal candidate will be responsible for building and maintaining robust data solutions that support business intelligence, reporting, and analytics needs. Key Responsibilities: Develop advanced SQL queries, stored proce
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Posted 6 hours ago

Lead Monitoring Engineer

Mindlance

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Remote

Contract

Lead Monitoring Engineer Location - Washington, District of Columbia Duration: 9 months contract Job Description About the project: This initiative focuses on migrating infrastructure from Go-Cloud to AWS, with Datadog being implemented as the primary monitoring and observability platform. Client is currently in the process of replacing AppDynamics with Datadog and has already completed the migration of SolarWinds and Nagios monitoring capabilities into Datadog. In parallel, they are migrating a
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Posted 35 days ago | Updated 21 days ago