Developer Jobs in Illinois

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Assistant Chief Engineer (Data Center)

JLL

Elk Grove Village, Illinois, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e

Sr Systems Engineer (Hybrid Eligible)

Sierra Nevada Corporation

Remote or Plano, Texas, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t

Missile Systems Integration & Test Engineer III

Sierra Nevada Corporation

Remote or Lone Tree, Colorado, USA

Full-time

Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing, certification, deployment, and improvement of cutting-edge products and services. This role will involve designing and testing of advanced autonomous aircraft and missile systems, managing the product life-cycle from subsystem design through to fully integrated systems. These cover a very wide range from advanced mission paylo

Sr. Missile Systems Integration & Test Engineer

Sierra Nevada Corporation

Remote or Lone Tree, Colorado, USA

Full-time

Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing, certification, deployment, and improvement of cutting-edge products and services. This role will involve leading a team to design and test advanced autonomous aircraft and missile systems, managing the product life-cycle from subsystem design through to fully integrated systems. These cover a very wide range from advanced miss

Senior Boomi Developer

Techsunsoft

Remote

Contract, Third Party

Title - Boomi Developer or Architect Location: Remote Duration: 12 Month Work Type: W2/C2C/1099 ContractComplete JD would provide before interview if resume shortlisted!Standard Responsibilities of a Boomi Developer professional. Short Discussion with client on this position: This is an immediate need for a senior Boomi developer (someone who can talk to customer and frontend).

Senior DevOps Engineer / Architect (AWS | IaC/IaaC | Security)

Xoriant Corporation

Remote

Contract

DevOps Engineer, Senior The DevOps Engineer is responsible for designing, developing, testing, deploying, monitoring and updating the application release processes and pipelines . They automate and integrate development and infrastructure processes so that we can seize market opportunity without compromising quality. The idea candidate will act as an evangelist and champion the DevOps culture and be the change agent to help to foster a cultural shift in the software delivery process. Along with

Machine Learning Scientist (L5) - Payments DSE

Netflix, Inc.

Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Data is at the heart of our payment strategy and innovation at Netflix. In the Payments Data Science & Engineering team, we provide guidance to the business not only th

Java Full Stack Development Engineering Lead

Citi

Remote or Irving, Texas, USA

Full-time

About Citi: Citi creates economic value that is systemically responsible and, in our clients', best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be su

Engineering Manager (Consumer)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Senior Staff Data Engineer - AI Solutions

Circles Inc.

Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines

Principal Systems Engineer - Reliability & Maintainability Engineer

Sierra Nevada Corporation

Remote or Lone Tree, Colorado, USA

Full-time

If you like solving complex engineering problems using your analytical skills, this is the opportunity for you! As a Reliability and Maintainability Engineer, you will perform detailed analysis to establish reliability predictions, monitor equipment data for continuous validation of reliability predictions, and author reports summarizing your analysis. As a cross-functional engineer, you are in charge of system-level ownership of new products and processes through the product life cycle. This in

Sr. Principal Analyst(AI Engineer)

Factspan Inc

Remote

Contract

Job Title: Sr. Principal Analyst (AI Engineer)Location: Dallas, TX (Complete Remote)Type: Both Fulltime/ContractExperience: 5-10 yearsJob Description:Highly skilledAI Engineerwith a strong background in Python, Google Cloud Platform, Kubernetes, Docker, Kafka, worked on building microservices, scalable solutions, API development. Experience using AI Services and solutions and bringing these into production. Mongo or similar NoSQL DB experience. Knowledge on prompt engineering, observability fram

Lead Substation Physical Engineer

Leidos

Remote

Full-time

Are you ready for your next career challenge? We are in search of a Lead Substation Physical Engineer to join our diverse and fast-paced Atlanta, GA organization. As a core team member, you will be interacting with other electric utility disciplines, playing a valuable part in leading and designing high voltage utility substation projects. Our recognition as an industry leader is confirmed by the latest national rankings by Engineering News-Record (ENR) ranking Leidos within the Top 10 T&D Firms

Opening for AI Engineer for Tax related project - 100% Remote

Aptuity Solutions, Inc

Remote

Contract

We have an opening for AI Engineer for Tax related project Location - Remote Long term Contract Required Skills & Qualifications: Strong experience in AI agent development, multi-agent systems, or autonomous systems. Proficiency in Python, TensorFlow, PyTorch, LangChain, AutoGen, or similar frameworks. Understanding of LLMs, reinforcement learning, and AI reasoning/planning methods. Experience with agentic architectures, retrieval-augmented generation (RAG), or memory-based AI. Knowledge of API

Platform Engineer III

AFLAC

Remote

Full-time

Salary Range: $95,000 - $140,000 Job Posting End Date: 8/15/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Div

Sr Solutions Engineer

AFLAC

Remote

Full-time

Salary Range: $180,000 - $220,000 Job Posting End Date: 8/15/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Di

Engineer II, Field Service

Thermo Fisher Scientific

Remote or Santa Clara, California, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Able to lift 40 lbs. without assistance, Laboratory Setting, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Will work with hazardotoxic materials Job Description Job Title: Field Service Engineer II When you're part of the team at Thermo Fisher Scientific, you'll do important work, like helping customers in finding cures for cancer, protecting the environment or

Engineer, Sr Staff Fuels

Constellation Energy

Warrenville, 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

NC DEQ - Power Platform Developer

Mahantech Corporation

Remote or Raleigh, North Carolina, USA

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

Engagement Type Contract Short Description As a part of the NC DEQ Permitting Transformation Program (PTP), Power Platform Developers work with technical teams, subject matter experts, and business stakeholders to analyze business requirements and translate requirements into functionality. Complete Description The candidate will be allowed to work remotely until all staff return to site. At that point the candidate will be required to come onsite. The agency can ship equipment if the candida

Senior Engineering Manager (Institutional - Exchange)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the