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  •  ...Job Title Designs, builds and unit tests new and modified functionality features as related to sprint deliverables .Net API Developer with microservices and AWS cloud experience Provide technical insights to support release planning, including user stories breakdown... 
    Suggested

    Omni Inclusive

    Chicago, IL
    3 days ago
  • A leading tech company based in Chicago is seeking a professional for mobile-first API development and cloud-native backend engineering roles. You will design and build secure, scalable REST/JSON or GraphQL APIs and operate backend services in an AWS environment, ensuring... 
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    Lorien

    Chicago, IL
    3 days ago
  •  ...least 3 years of experience in Tomcat, or other major commercial application servers • At least 2 years of experience in OAuth2 or some API authentication mechanism• At least 2 years of experience in API tooling like Swagger or RAML along with Unit testing and code review... 
    Suggested
    Permanent employment
    Full time
    H1b

    Sonsoft

    Chicago, IL
    5 days ago
  • A leading tech company based in Chicago is hiring a Mobile Developer V to design and develop secure, mobile-optimized APIs optimized for high-performance applications. The role demands strong experience in cloud-native environments and an understanding of security best... 
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    Compunnel

    Chicago, IL
    13 hours ago
  • $70k - $85k

     ...Full Time - Salary: $70K-$85K - Department: IT - Location: On-site (5 days a week)We are seeking a.NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. The ideal candidate has strong... 
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    Permanent employment
    Full time

    Conexus Food Solutions

    Chicago, IL
    4 days ago
  • Overview Mobile-First API Development: Design and build secure, scalable REST/JSON (or GraphQL) APIs optimized for mobile consumption...  ..., and versioning. Cloud-Native Backend Engineering: Develop and operate backend services in a AWS cloud environment, integrating... 
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    Lorien

    Chicago, IL
    3 days ago
  • $119.77k - $140.9k

     ...position will be responsible for the system development for the Hogan API application, using ISTIO Gateway, Kubernetes, Spring Boot, Java...  ...ready code that is easily testable, easily understood by other developers and accounts for edge cases and errors.Consistently considers... 
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    Full time
    Work at office
    Local area
    Remote work
    Flexible hours
    3 days per week

    US Bank

    Chicago, IL
    3 days ago
  • Caterpillar Inc. is hiring a Senior Software Engineer to design, develop, and deliver scalable, secure cloud solutions powering Caterpillar’s digital future. You will build backend APIs and microservices using Java 21+, Spring Boot, and AWS, collaborating with cross-functional... 
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    Caterpillar Financial Service Corp

    Chicago, IL
    4 days ago
  • $150k - $170k

     ...architectural directions. Support and mentor junior designers and developers through knowledge sharing, collaboration and effective problem...  ...-focused engineer who can operate across front end, backend, API integrations, security, and cloud infrastructure. They should be... 
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    Full time

    CIBC Bank

    Chicago, IL
    4 days ago
  • A prominent global leader seeks a Senior Application Engineer to join their Chicago team. The role involves deep expertise in Java, API development, and cloud engineering, focusing on building scalable solutions. Candidates should have at least 7 years of experience in... 
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    Full time

    MMD Services

    Chicago, IL
    3 days ago
  • $120k - $150k

     ...GenAI and Central Platform teams in Chicago, IL. In this role, you will design and develop applications for next-generation AI assistants, focusing on scalable architecture and modern API development. Join our hybrid work environment where substantial project ownership... 
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    JLL

    Chicago, IL
    3 days ago
  •  ...API Solutions Engineer Location: Remote Interview Mode: 2 rounds of virtual interview Type: Long term contract Job Description...  ...clients in onboarding to the platform and API gateway. Develop tooling and automation around manual consulting process Work... 
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    Long term contract
    Immediate start
    Remote work

    RIT Solutions, Inc.

    Chicago, IL
    2 days ago
  • Cresset is seeking a skilled Data Engineer to develop the data warehouse and data platform on AWS, Databricks, and Snowflake. You will design APIs and event-driven services to expose data to downstream applications and AI experiences. You will work with senior engineers... 
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    Cresset

    Chicago, IL
    2 days ago
  • EngineersOfAI is looking for a Senior Engineer to join their Core Platform team in Chicago, Illinois. You will develop innovative solutions for scaling Reddit's API services that support millions of transactions while mentoring junior engineers. The ideal candidate will... 
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    Remote job
    Flexible hours

    EngineersOfAI

    Chicago, IL
    3 days ago
  •  ...vehicle manufacturing company in Lisle, Illinois, seeks a skilled Lead .Net Developer to drive software development for the Commercial Sales Experience product. This role involves developing Web APIs in .NET Core and modernizing applications while ensuring application... 
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    International Motors

    Lisle, IL
    5 days ago
  •  ...diagnostics company is seeking a Software Engineer to design and develop well-structured code and manage the entire product development...  ...development with a team, and ensuring robust service delivery through API development and testing. Candidates should have 1-3 years in... 

    Quest Diagnostics

    Chicago, IL
    4 days ago
  •  ...integrations. The ideal candidate will be responsible for designing, developing, implementing, and supporting B2B/EDI transaction processes and...  ...troubleshoot communication protocols including AS2, SFTP, and APIs. Create and support APIs and integration interfaces for... 

    Veriipro

    Itasca, IL
    1 day ago
  •  ...React, TypeScript, Python, and Flask. The successful candidate will be instrumental in developing both front-end and back-end components of our web applications, working with REST APIs, and managing SQL databases. This role is perfect for someone who is a passionate... 

    AI Front desk

    Chicago, IL
    a month ago
  • Talent Hires is looking for a Senior Developer position in Chicago, IL, focusing on the Salesforce platform using Apex. Candidates must have...  ...application architecture is essential, along with experience in API integrations and relational database design. #J-18808-Ljbffr... 

    TalentHires

    Chicago, IL
    1 day ago
  • Reddit, Inc. is hiring a Senior Engineer for the Core Platform team to design and scale API services used by hundreds of millions of users. You will mentor junior engineers, deliver high-uptime backend systems, and influence roadmaps across distributed services written... 
    Remote work

    Reddit, Inc.

    Chicago, IL
    13 hours ago
  •  ...the Microsoft .NET stack, with emphasis on scalable, secure, and high-performance systems. Responsibilities include creating RESTful APIs, database design and optimization, and applying architecture principles to deliver reliable platforms. #J-18808-Ljbffr Selby... 

    Selby Jennings

    Chicago, IL
    2 days ago
  • $130k - $140k

    181 SEI Global Services, Inc. is seeking an experienced developer to write code across all tiers of applications using technologies like...  ...in cloud-based applications. The role includes creating RESTful APIs and participating in agile ceremonies, with a competitive... 

    181 SEI Global Services, Inc.

    Chicago, IL
    3 days ago
  • Apex Systems is seeking a Senior .NET/F# Developer to join onsite in Chicago, IL (with Denver, CO as an alternative). This contract role...  ...design, develop, and deliver complex software, focusing on RESTful APIs, Event-based integrations, and architecture patterns while... 
    Full time
    Contract work

    Apex Systems

    Chicago, IL
    3 days ago
  • United Airlines is seeking a Senior Developer to design, build, and maintain operational data solutions and AI-enabled applications. You will...  ...and React to create scalable datasets, analytics products, and API integrations for cross-team use. The role emphasizes translating... 

    United Airlines

    Chicago, IL
    1 day ago
  • NinjaTrader is seeking a Senior Solutions Engineer, Evaluation Services in Chicago or Remote, to serve as a technical contact for API integrations. The role requires 5+ years in technical support or solutions engineering, excellent troubleshooting skills, and the ability... 
    Remote job

    NinjaTrader

    Chicago, IL
    3 days ago
  • Specializedsoft.com is seeking a backend specialist to design and deliver scalable backend services and APIs for enterprise clients in Chicago. The role emphasizes reliability and high-performance software solutions. Candidates should have 5+ years of experience with Java... 

    Specializedsoft.com

    Chicago, IL
    2 days ago
  •  ...Years |Employment Type:Full Time About the Role We're seeking aGo API Engineerto design and build high-performance, scalable APIs. You...  ...at Vettura AI by 2x Sign in to set job alerts for “Back End Developer” roles. Warrenville, IL $87,200.00-$129,200.00 2 days ago Senior... 
    Remote job
    Full time

    Vettura AI

    Naperville, IL
    5 days ago
  •  ...tech company in Chicago is looking for a motivated Full Stack Developer with 0-7 years of experience. The role involves building and maintaining...  ...systems are essential. Candidates should be able to design APIs, collaborate across teams for UI/UX implementation, and ensure... 

    Stealth Startup

    Chicago, IL
    4 days ago
  • $115k - $135k

    A leading tech company is seeking a Senior Java Web Developer with over 6 years of experience. The role involves developing web and API-based solutions, unit testing, and collaborating with teams remotely. Candidates should have strong skills in Java, AngularJS, and the... 
    Remote job

    Next Generation Inc.

    Chicago, IL
    4 days ago
  •  ...ll bridge complex payment technology with strategic deal-making and connect clients to our network of Local Payment Methods, modern APIs (GAPI), and MoR solutions. You will guide pre-sales architecture, RFP responses, integration scoping, and go-live enablement, working... 
    Work at office
    Local area

    Roman Health Pharmacy LLC

    Chicago, IL
    5 days ago