Back End Software Developer Jobs in Chicago, IL

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161 - 180 of 237 Jobs

Sr., Java Developer

OpTech

•

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o
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Posted 60+ days ago | Updated 25 days ago

Software Engineer - Remote

UnitedHealth Group

•

Remote or Draper, Utah, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 20 hours ago | Updated 9 hours ago

Staff iOS Engineer, Banking Mobile

Block Inc

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California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 36 days ago | Updated 9 hours ago

Senior Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

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Remote

Full-time

Job Description As a Senior Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Design and implementation of the CDA data platform, ensuring it is scalable,
Posted 24 days ago | Updated 9 hours ago

Principal Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

•

Remote

Full-time

Job Description As a Principal Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Lead the design and implementation of the CDA data platform, ensuring it i
Posted 24 days ago | Updated 9 hours ago

Backend Engineer

Accroid Inc

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Remote or Dallas, Texas, USA

Third Party, Contract

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase
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Posted 31 days ago | Updated 31 days ago

Sr Backend Engineer

Robert Half

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Remote or Bellevue, Washington, USA

Contract

Description Robert Half is seeking a Senior Backend Engineer to support a Financial Services organization based in Seattle, WA. This role involves building out a new cloud-native integration platform as part of a larger greenfield development effort supporting vendor, policy, and claim systems. The position is Remote, in a 6-month contract (with potential to convert to full-time). Apply today! Job Details: Schedule: Flexible - candidates can work PST or EST; asynchronous communication is comfor
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Posted 13 days ago | Updated 6 hours ago

Frontend Developer with Backbone.js

GTSS Inc

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Remote

Contract, Third Party

Title: Frontend Developer with Backbone.js Mode of Work: Remote Role Key Responsibilities:Develop, maintain, and optimize complex Backbone.js-based web applications Write clean, scalable, and modular JavaScript code using Backbone s models, views, collections, and routers Integrate front-end logic with RESTful APIs and third-party services Collaborate with designers, product managers, and backend developers to implement new features Refactor and modernize legacy Backbone code where appropriate
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Posted 5 days ago

Senior Software Engineer - Database

VAST Data

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Remote

Full-time

Description VAST Data is looking for a Senior Software Engineer to join our growing team! This is a great opportunity to join one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence. Take part in the design and implementation of the internals of the next-generation hugely scalable and highly performant analytical and vector database. "VAST's data management vision is the f
Posted 58 days ago | Updated 9 hours ago

AWS Developer with Lambda, Node.js, DynamoDB, Genesys Cloud

SidRam Technologies

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Remote

Contract

Job Title: AWS Developer (Lambda, Node.js, DynamoDB, Genesys Cloud) Location: Remote Duration: 12+ Months Job Summary: We are looking for an experienced AWS Backend Developer to augment our current team supporting Genesys Cloud integrations. This role involves enhancing and developing serverless applications using AWS Lambda, Node.js, and DynamoDB, with a focus on data transformation and efficient file transfers. Key Responsibilities: Support post-migration integration of Genesys Cloud into the
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Posted 9 hours ago

Senior Software Engineer - Database

VAST Data

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Remote or Vancouver, Washington, USA

Full-time

Description VAST Data is looking for a Senior Software Engineer to join our growing team! This is a great opportunity to join one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence. Take part in the design and implementation of the internals of the next-generation hugely scalable and highly performant analytical and vector database. "VAST's data management vision is the f
Posted 60+ days ago | Updated 9 hours ago

Angular Developer

Cloudpaths

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Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena
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Posted 4 days ago

Golang -Backend Engineer

SES

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Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and
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Posted 4 days ago

Senior Java Backend Engineer

EPAM Systems

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Remote

Full-time

We are seeking a highly skilled and experienced Senior Java Backend Engineer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining scalable and efficient backend systems that support our business needs. If you are interested in this opportunity - apply! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking space in Kuta
Posted 60+ days ago | Updated 9 hours ago

AWS Backend Engineer

Atika Tech

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Remote

Full-time, Contract

Position: AWS Backend Engineer Location: Remote Experience: 8+ Years Design, develop, and maintain scalable backend services, APIs, and data pipelines using AWS, Python, PySpark, and OpenSearch, ensuring high performance, quality, and collaboration across teams. Responsibilities: Design, develop, and maintain backend services and APIs using AWS technologies. Implement and manage search and analytics solutions using Elastic Search (OpenSearch). Develop data processing pipelines using Python a
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Posted 10 days ago | Updated 4 hours ago

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

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Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and
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Posted 12 days ago | Updated 16 hours ago

Front End Developer - Contractor

Dimensional Fund Advisors LP

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Remote

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 18 days ago | Updated 9 hours ago

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Hi Professionals, We have an immediate openings for the below role, If interested please apply. Job Title: BACKEND ENGINEER/ UI SOLUTION ARCHITECT Type :C2CInterview: Telephonic & RemoteJOB RESPONSIBILITIESOVERALL EXPERIENCE 12YRS+ We are seeking a Senior Backend Engineer / Solutions Architect to join our client s innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident designing scalable backend architectures within
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Posted 41 days ago | Updated 10 hours ago

Senior Backend Compiler Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are searching for a Senior Backend Compiler Engineer with experience in LLVM code generation for an exciting and fun role in our GPU Software organization. Our Compiler team is responsible for constructing and emitting the highest performance GPU machine instructions for Graphics (OpenGL, Vulkan, DX) and Compute (CUDA, PTX, OpenCL, Fortran, C++). This team is comprised of worldwide leading compiler engineering experts who provide leading edge performance and capabilities for NVIDIA's current
Posted 36 days ago | Updated 9 hours ago

Java Backend Engineer - AVP

Citi

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Remote or Tampa, Florida, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 4 days ago | Updated 9 hours ago