Back End Developer Jobs in Illinois

Refine Results
21 - 40 of 189 Jobs

Lead/Sr Java Backend Developer

Brillio, LLC

Remote

Full-time, Third Party

Role: Lead/Sr Java Backend Developer Years of Experience: 8+ years Location: Remote Job Description: Skills: Java, Spring boot, REST API, Kafka, Microservices Contributing to all stages of software development lifecycle Coding, unit testing, implementation, deploying builds, troubleshooting Production and environmental issues, coordination with QA, App Support & Business Design, implement and maintain application Analyzing user requirements to define system business objectives Defining applicat

Back End Java Developer (Remote)

ConsultNet, LLC

Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug

Backend Java Developer

4 Consulting Inc

Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He

Software Engineer, Backend ( Developer Experience - Server Foundations)

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 Software Engineer, Backend (Developer - Onchain Payments)

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

Backend Developer: Data

USG Corporation

Remote or Chicago, Illinois, USA

Full-time

BACKEND DEVELOPER: DATA (PRODUCT INFORMATION) OUR DIGITAL CUSTOMER EXPERIENCE JOURNEY Capability transformation USG is evolving its digital customer experience and translating the objective of being easiest to do business with into a sustainable technology roadmap. The digital transformation includes upgrading our technology stack and augmenting our teams, developing new digital platforms, and integrating a best-in-class eCommerce operating model to deliver exceptional customer experience fro

Backend Java Developer (Apps Dev Tech Lead Analyst - C13 )- IRVING

Citi

Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p

Back-End Java Developer

Software Guidance & Assistance

Chicago, Illinois, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Sr. Software Engineer for an opportunity with one of our premier clients in Chicago, IL. Responsibilities: Senior Software Engineer is responsible for working with a team of technology engineers, and contribute to projects to drive and execute the strategy for technology advances in Client's electronic trading platform Individual will be working on projects for systems that must achieve a unique blend of ultra-low latency performan

Java Developer

Collabera LLC

Remote or Toronto, Ontario, Canada

Full-time

Must Haves: 7-10 years of experience as a back end developer working on both design and development Java8+ RESTful services Spring framework Oracle database & PLSQL Versioning tools: GitLab 3+ years of experience with Kubernetes Working exposure to UI Frameworks: Spring boot Working exposure to front end technologies: Java Script Must be able to debug and read Java Script Strong object-oriented design and analysis skills Experienced usage of Software Engineering Processes Working within Agile

Backend Software Engineer

Bayside Solutions

Remote

Contract

Backend Software Engineer W2 Contract Salary Range: $114,400 - $135,200 per year Location: Austin, TX - Remote Role Requirements and Qualifications: 3-4+ years of backend development experience in Python and/or Java Proven track record of building platforms or adding features to backend services Experience developing large-scale web applications or platforms that serve other teams (e.g., REST services, backend architecture). Bachelor's degree in Computer Science Preferred Qualifications: Ex

Backend Software Engineer, ML

Bayside Solutions

Remote

Contract

Backend Software Engineer, ML W2 Contract Salary Range: $135,200 - $156,000 per year Location: Remote Role - PST Job Summary: As a Backend Software Engineer, you will work with the engineering team, EPM, and customers to support customer migration to next-generation services that generate, manage, and consume datasets, features, and embeddings used for ML training. You will utilize tooling to migrate data and work with customers to change their Python clients to start using the new SDK. Thi

Senior QA Engineer/Developer with Backend Testing Exp.

Combined Computer Resources

Chicago, Illinois, USA

Contract

Job Description We are seeking a meticulous and proactive Quality Assurance Engineer to join our dynamic team. As a QA Engineer, you will be responsible for ensuring the quality of our software applications through meticulous testing and collaboration with cross-functional teams. You will play a critical role in identifying bugs, usability issues, and other potential problems before our products are deployed to customers. Responsibilities Work with developers to automate the testing of in-sprin

Need Senior UI Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

Remote

Contract, Third Party

Position Senior UI Developer (10+ Years Experience) - RemoteLocation RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly experienced and creative Senior UI Developer with 10+ years of hands-on experience in designing and developing modern, responsive, and dynamic web applications. The ideal candidate will possess a strong portfolio of complex UI implementations, a deep understanding of front-end architecture, and a passion for delivering seamless user experiences.Key Re

Backend Software Engineer

Pinterest, Inc.

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility

Senior Backend Software Engineer

Pinterest, Inc.

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility

Backend Architect

Hirextra

Remote

Contract

Job Description We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems and trading platforms to lead the backend architecture and development for a new Futures Commodity Commissions Market (FCM) application. This platform, envisioned as a regulated sports prediction market and Robinhood s Prediction Market, will be built for a large-scale financial trading domain. The ideal candidate should have hands-on experience designing and scaling backend systems fo

Sr. ETL Backend Automation Tester - ONLY W2

nTech Solutions

Remote or Herndon, Virginia, USA

Contract

ONLY W2ONLY W2ONLY W2 Candidates based in a commutable distance to Reston, VA will be prioritized. Title: Sr. Backend Test Engineer Location: Reston, VA 20191 Duration: 9 Months Contract + Extension Job Description: Terms of Employment Contract, 9 MonthsThis position is remote. Candidates must be based in Eastern or Central time zones. Candidates based in a commutable distance to Reston, VA will be prioritized.Candidates must be comfortable traveling to Reston, VA roughly once per quarter for PI

Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra

Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste