Back End Developer Jobs in Illinois

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1 - 20 of 194 Jobs

Golang Backend Developer

Shift Code Analytics

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Remote

Third Party, Contract

Hi, Hope you are doing well I have an urgent opening of Golang Backend Developer at remote role Position Type: Contract Onsite Flexibility: 100% Remote Description: Interview: Virtual JD: Responsibilities: Develop automation scripts and systems with robust error handling, observability, and fallback mechanisms.Utilize LLMs for content parsing, classification, and iterative refinement using Retrieval-Augmented Generation (RAG).Design long-term, scalable automation solutions that align with Reddit
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Posted moments ago

Java web back-end developer

Aditi Consulting

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Remote or New York, New York, USA

Contract

Payrate: $95.89 - $95.89/hr. Summary: Understands that the success of a developer is to understand the core business processes of the business unit and business requirements as well as the architecture patterns and technology strategy (e.g., Transformation, SmartCore, DevOps). Conceive and write detailed software implementations/code while ensuring that their code/configurations adhere to the security, logging, error handling, and performance standards and non-functional requirements. Writes, co
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Posted moments ago

Lead Back-End Developer

Rang Technologies Inc.

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Deerfield, Illinois, USA

Contract

Title : Lead Back- End Developer Job Location: Deerfield, IL (Hybrid - 3 days/week onsite) Key Technology: Apache Spark, Azure, Spring, Java Required: 8+ years in backend, full-stack, or cloud-based software engineering o Must combine skills in both big data engineering and full-stack development. Backend development with Java 11, Spring Boot, Kubernetes, Azure Functions (C#) o Familiar with Spark-based batch jobs and Spring Boot RESTful APIs Frontend integration with Angular 9 and TypeScript 3.
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Posted 4 days ago

Lead Back-End Developer

Rang Technologies Inc.

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Deerfield, Illinois, USA

Third Party, Contract

Job Title : Lead Back-End Developer Work Location : Deerfield, IL (Hybrid) Must Have List: 8+ years in backend, full-stack, or cloud-based software engineering Proficiency in Azure Functions across C++, Python, and Java Solid knowledge of system architecture, API design, and integration patterns Strong understanding of Agile/Scrum delivery frameworks Proven experience delivering solutions using Azure PaaS services Experience with security-focused cloud architecture using Azure Key Vaults Experie
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Posted 4 days ago

Mid-Level Back-End Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Maximus is seeking a Mid-Level Back End Developer to join our team! The Mid-Level Back End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other
Posted 3 days ago | Updated 3 hours ago

Backend Platform Developer

Request Technology, LLC

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Oak Brook, Illinois, USA

Full-time

Backend Platform Developer C#, .NET Salary: Open Location: Oak Brook, IL Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* *This role is not open for C2C* Qualifications Bachelor's Degree5+ years of job-related experience as defined in the Essential Duties and ResponsibilitiesExperience in creating technical documentation is requiredExperience with Microsoft technology stack, including .NET, C#, Azure, AWS, SQL, Visual StudioExperience with GIT, No SQL dat
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Posted 7 days ago | Updated 4 hours ago

Lead Backend Developer

Y & L Consulting Inc.

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Remote

Full-time

PLEASE NO VENDORS OR C-2-C < dir="ltr">About the RoleWe re looking for a Senior Backend Software Engineer who s excited to get their hands dirty, solve real problems, and move fast. You ll play a critical role on a small, highly collaborative team working on products that directly impact our partners and customers. This isn t a siloed role we want someone who s not just comfortable, but energized by jumping into conversations with the product team, account managers, and customers. You ll help s
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Posted 5 days ago

Backend NodeJS Developer

Swanktek

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Chicago, Illinois, USA

Contract

Job Title: Backend NodeJS DeveloperLocation: Chicago, IL - Hybrid (3 days in Office)Duration: Long Term Contract Experience Level: 7+ years Job Description:We are looking rockstar back-end web developer with proficiency in NodeJS running on Azure to help us drive the next-phase of our SLA-management web application.The candidate should be able to independently develop efficient, secure and scalable RESTful APIs via NodeJS as part of the SLA Management devteam.Any experience in working on Azure-b
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Posted 14 days ago

ServiceNow Backend Developer

Nextgenpros Inc

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Remote

Contract

Role: ServiceNow Backend DeveloperLocation: Santa Clara, CA (Remote- Local Preferred)Type: Contract on W2 Description:-Key Responsibilities: Design and develop custom workflows using Flow Designer and Workflow Editor.Build and maintain Service Catalog items, including variables, UI policies, client/server scripts, and catalog tasks.Develop and maintain business rules, script includes, scheduled jobs, and REST/SOAP integrations.Collaborate with UI/UX, infrastructure, and business teams to gather
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Posted 5 days ago | Updated 3 days ago

Sr Back End Developer

Confidential Company

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Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working doing general app/web dev with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!
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Posted 17 days ago

Backend (NodeJS) Senior Developer

iTech US, Inc.

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Chicago, Illinois, USA

Contract, Third Party

Backend (NodeJS) Senior Developer Location: Chicago, IL Type: Contract At least 7 years of professional development experience with significant experience working as a on complicated projects with multiple cross functional teams Over 4 years of experience in developing server-side APIs using NodeJS on Linux. Strong experience in deploying/managing NodeJS applications on Azure and associated cloud-native deployment infrastructure. Knowledge of Security protocols like Open IDC, OAuth 2.0 would be
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Posted 15 days ago | Updated 7 days ago

Backend Developer - TypeScript/Node

Covenant Eyes

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Remote

Full-time

We do not allow remote work in the following states - CA, CO, CT, LA, ME, MA, NJ, NY, OR, RI, VT, WA, WV, and Washington DC. Overview OverviewWorking at Covenant Eyes is about something bigger than creating and selling software; its about creating a movement and changing culture. At the end of the day you are contributing to saving a marriage, protecting a childs innocence, strengthening a commitment to purity, and working to end sexual exploitation. As a company focused on restoring relationshi
Posted 12 days ago | Updated 12 days ago

Back-End Java Developer

Software Guidance & Assistance

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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
Posted 49 days ago | Updated 8 hours ago

Sterling OMS Back-End Developer

Infinite Computer Solutions (ICS)

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Remote

Third Party, Contract

About the Role We are looking for a skilled and motivated Back-End Developer with hands-on experience in IBM Sterling Order Management System (OMS) to join our growing technology team. As a Sterling OMS Developer, you will be responsible for building, customizing, and maintaining robust back-end solutions that support complex order management workflows across multiple channels. Key Responsibilities Design, develop, and maintain back-end components of Sterling OMS using Java and Sterling APIs.Con
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Posted 26 days ago

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

Citi

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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
Posted 28 days ago | Updated 9 hours ago

Backend Developer with Mobile Apps (W2-Contract)

Techouts, Inc

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Remote

Contract

Backend Developer with Mobile Apps Duration: 9+ months Engagement type: REMOTE Consultant must work on our Company Payroll (W2-Contract) Senior Backend Software Developer / Mobile Apps. Will report to the Director of Infrastructure and work closely with Product Managers to deliver well-architected experiences to the customer base. Responsibilities: Improve the performance of the backend services that power our mobile application and make them more maintainable and scalable Design, build, and sca
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Posted 20 days ago | Updated 18 days ago

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

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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
Posted 8 days ago | Updated 9 hours ago

Sr. Java Backend developer with P&C

HL Solutions LLC

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Remote

Full-time

Java backend developer with commercial Property and Casualty insurance experience is Must have. Job Description: Java/J2EE, Spring boot, Kafka/streaming, Elastic stack, Rest API5-10 years experience Technology Stack: The preferred technology stack includes Java J2EE, Spring Boot, Kafka streaming, and REST API. Experience: Experience in message-driven architecture and streaming is essential, with optional knowledge of Elastic. Kafka and Java: Kafka is used for near real-time streaming and Java i
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Posted 1 day ago | Updated 1 day ago

Java Backend Developer

Idexcel Inc.

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Bloomington, Illinois, USA

Contract

IDEXCEL client is Looking for Job Title: Java Backend Developer @ Bloomington, IL (Hybrid ) Job Title: Java Backend Developer Location: Bloomington, IL -- Hybrid - In office 3 days a week Duration: 12+ Months JD: Strong proficiency in one or more coding languages (Java Spring Boot, Java Script, Angular Ionic, Python) Experience with development platforms (GitLab, Azure, Docker, Kubernetes) Implementation of web applications and microservice development Understanding of software development l
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Posted 8 days ago | Updated 2 hours ago

Backend developer

Prism IT Corp

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Remote

Full-time

We seek a candidate who is forward-thinking, hands-on, and has a strong sense of ownership. If you thrive in a fast-paced environment, enjoy mentoring, and are passionate about building scalable and mission-critical financial systems, we d love to hear from you. What You ll Do Lead the development and testing of key systems and services.Design and shape the technical architecture of our evolving banking core.Translate product requirements into user stories and scalable technical solutions.Develo
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Posted 32 days ago | Updated 28 days ago