Backend Services Developer Jobs in Chicago, IL

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Senior Back End Developer

Confidential Company

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 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!

Senior Backend Engineer

Halo Investing

Chicago, Illinois, USA

Full-time

About Halo: Halo Investing is an award-winning technology platform that disrupts how protective investment solutions are used worldwide. Headquartered in Chicago, with employees worldwide, we re on a mission to change the world by democratizing access to investment solutions that were previously unavailable to most investors. Named by Fast Company among Top 10 Most Innovative FinTech Companies, Halo is the first independent, multi-issuer platform for defined outcome investing. Halo Investing giv

Senior Manager, Software Engineering, Back End

Capital One

Chicago, Illinois, USA

Full-time

Senior Manager, Software Engineering, Back End Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologies. As

Senior Manager, Software Engineering, Back End (Java, Python, AWS)

Capital One

Chicago, Illinois, USA

Full-time

Senior Manager, Software Engineering, Back End (Java, Python, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emergi

Senior Java Backend Engineer fully remote NODE.JS

Paradigm Infotech

Remote

Contract

Must be located within USA No agency or C2C will NOT be considered and Visa sponsorship is not available nor provided JOB DESCRIPTION: System Design & Leadership Lead architectural discussions and make high-level design decisions that align with project and business goals. Conduct code reviews and enforce coding standards and best practices across the API team. Cross-functional Collaboration Partner with frontend, mobile, Salesforce, and DevOps engineers to deliver cohesive, end-to-end solut

Java Backend Engineer || Citizens only || W2

Paradigm Infotech

Remote

Contract

Role: Senior Java Backend Engineer Node JS Work mode: 100% remote Rate: $--/r on W2 no benefits. Visa: U.S. Citizenship + U.S.-based residency is required Not looking for Fullstack Engineers10+ years of exp6-12 months to hire Status: U.S. Citizenship + U.S.-based residency is requiredLocation: Remote - 9:00 - 5:00pm Central Time - the client is located in the southeastTechnologies: Node.js | TypeScript | Serverless Frameworks | AWS SAM | API documentation toolPractice Group: Consulting; Agile /

Software Engineer, Backend

West Coast Consulting LLC

Remote

Contract

Job Description Software Engineer, Backend Remote What You'll Do: Must Have GoGraphQLMicroservices ArchitecturePythonREST API Development Nice To Have gRPC Remote Procedure CallsthrifWork cross-functionally with product, design, and other engineering counterparts to execute on product and business strategy and build novel products and features that our users will love.Contribute to the full development cycle: technical design, development, test, experimentation, analysis, and launch. You'll b

Senior Software Engineer, Backend - DevX CI

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

Software Engineer, Backend

West Coast Consulting LLC

Remote

Contract

Job Description Backend Engineer Remote Automation: designing and implementing systems to automate manual processes, with clear error handling, observability, and fallback mechanisms.Optimized Content Classification: integrating LLMs to parse through terabytes of content, classifying it, and refining over multiple rounds of processing.Systems Architecture: We need automation solutions that will stand the test of time within the broader Reddit ecosystem, and can be used for future classification

Backend Product Software Engineer, Desktop Experience

Dropbox Inc

Remote

Full-time

Role Description Our strategy starts with our mission: how do we build the right set of products that can help our customers work in a more enlightened way? If the first big problem Dropbox solved was getting your files in the cloud, the new problem we're solving is helping you organize your life. In this role you will specialize in desktop platform development. The Desktop Developer Experience team builds core desktop technologies that enables product teams to create rich and intuitive foregr

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a

Backend Software Engineer

eBay Inc.

Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Backend Engineer

Mitchell Martin, Inc.

Remote or Overland Park, Kansas, USA

Full-time, Contract

Title: Backend EngineerLocation: Midwestern Region (Onsite) Employment Type: Full TimeCompensation Pay Range:$105000-$150000/YrsDescription * Develop and enhance backend systems to support new and existing products. * Collaborate with various stakeholders to ensure successful product development. * Maintain high-quality code standards and testing procedures. * Communicate effectively with team members and other departments. * Contribute to the overall success of the product lifecycle.Key Respons

Backend Engineer

Accroid Inc

Remote or Dallas, Texas, USA

Contract, Third Party

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

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with

Senior Software Engineer, Backend (Platform - CETI)

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 ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

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

Python Backend Engineer

ACL Digital

Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv

Senior Backend Engineer (Node.js + TypeScript) - AI meets FinTech

HENRY

Remote

Full-time

** Remote position ** Engineering scrums are at 9am EST Who We AreWe re a highly funded stealth startup that has built an institutional grade licensed exchange for trading illiquid real-world assets from commercial real estate to infrastructure, natural resources, and private credit. We re combining AI, deep regulatory infrastructure, and a modern tech stack to unlock trillions in global illiquid markets. What We re Looking ForWe re looking for a Senior Backend Engineer with strong experience bu

Senior Backend Compiler Engineer

NVIDIA Corporation

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