Average salary: $91,223 /yearly

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  • $65.45k - $117k

    About the role We’re looking for a seasoned Senior .NET Developer to join our team and drive the development of scalable batch processes and API integrations. This role is ideal for someone with deep expertise in .NET Core, C#, and database technologies, who thrives in... 
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    Temporary work
    Remote work

    Cognizant

    Springfield, IL
    6 days ago
  • Overview Java API Developer Location: Anywhere Type: Contract Category: Engineer Industry: Insurance Workplace Type: Remote Reference ID: JN -092025-103586 Date Posted: 09/07/2025 Shortcut: Description: Remote Join a dynamic team with a major healthcare organization... 
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    Hourly pay
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    Local area
    Remote work

    Eliassen Group

    Springfield, IL
    1 day ago
  • $96.8k - $223.4k

     ...preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale: CI/CD, automated testing,... 
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    Temporary work
    Flexible hours

    Oracle Defunct

    Springfield, IL
    1 day ago
  •  ...Krasan Consulting Services Job Title: Senior Salesforce Platform Developer with Public Sector Solutions (PSS) Work Location: Remote...  ...Boyce-Codd/Inmon, Kimball). Utilize Salesforce Connect, SOAP/REST APIs, JSON, SOQL, SOSL, and Chatter APIs for seamless data exchange.... 
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    Full time
    Remote work
    Flexible hours

    Krasan Consulting Services

    Springfield, IL
    2 days ago
  • $218.03k - $256.5k

     ...is expected and fully supported. Responsibilities Architect and develop payments platform for processing billions of dollars of payments...  ...Experience of building simple, scalable and fault tolerant APIs Nice to haves You’ve worked with Golang, gRPC, Docker, Kafka, AWS... 
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    Full time
    Local area

    Coinbase

    Springfield, IL
    1 day ago
  • Job Title: Senior .NET Developer Location: Initial 30 days On-site (may be required). Following that, the role transitions to a hybrid arrangement...  ...principles. Proficiency in developing and consuming RESTful APIs and integrating with third-party services. Strong knowledge of... 
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    Long term contract
    Work at office
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    Krasan Consulting Services

    Springfield, IL
    2 days ago
  • $79.2k - $178.1k

     ...to join our Oracle Health team. In this role, you will design, develop, and optimize user interfaces for healthcare applications used by...  ...design, and accessibility standards. Experience with RESTful APIs, state management, and modern front-end build pipelines.... 
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    Temporary work
    Flexible hours

    Oracle

    Springfield, IL
    1 hour ago
  • Overview We are seeking a highly skilled .NET Lead Developer to join our team. As a lead developer, you will be responsible for overseeing...  ...in C# and .NET framework Experience with ASP.NET, MVC, and Web API Knowledge of front-end technologies such as HTML, CSS, and JavaScript... 
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    Local area

    iSoftTek Solutions Inc

    Springfield, IL
    2 days ago
  • $84.2k - $124.1k

     ...We are seeking an experienced and forward-thinking Back-end Developer and DevOps Software Engineer III to join our Software Development...  ...to the continued evolution of our enterprise services, APIs, automations, and DevOps capabilities. Your responsibilities will... 
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    Full time

    Horace Mann

    Springfield, IL
    8 hours ago
  • $96.8k - $223.4k

     ...Responsibilities Responsibilities Develop and maintain robust software toolkits in Python and Java to support applied scientists...  ...closely with scientists and engineers to deliver user-friendly APIs, libraries, and documentation enabling effective model... 
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    Temporary work
    Flexible hours

    Oracle

    Springfield, IL
    1 hour ago
  • $129.64k - $172.85k

     ...Databases Containers and Container Orchestration Java, Perl, Go Security Vulnerability Remediation Automation CI/CD Pipelines API Design & Integration Best Practice Message Brokers Agile and Scrum Methodologies Code Review and Refactoring Front end development... 
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    Temporary work
    Remote work

    Lumen

    Springfield, IL
    6 days ago
  • $186.01k - $218.9k

     ...Responsibilities Building and running a critical data platform from database management, data pipelining, scaling and data distribution to APIs and frontend solutions Design and implement core trading platform components, market data and derived data solutions and enable new... 
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    Full time
    Local area

    Coinbase

    Springfield, IL
    3 days ago
  • $147k - $174k

     ...Role and responsibilities Stablecoin Ecosystem team is looking for BE developers who will help in delivering a suite of international stablecoins. The role will be responsible for evaluating the APIs of external partners, integrating them with internal systems to enable... 
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    Full time
    Local area

    Coinbase

    Springfield, IL
    1 day ago
  • $186.01k - $218.9k

     ...Prime Web3 Wallet, Commerce and Exchange. Whether the customer needs are trading, staking, governance, custody, web3 operations, or API integrations, Coinbase Institutional has them covered. The Institutional Prime Trading, Derivatives team has built the end-to-end platform... 
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    Full time
    Local area

    Coinbase

    Springfield, IL
    3 days ago
  • $100k

     ...project specifications, sales proposal and design documentation. Develop system user interfaces, according to project specifications or...  ...Skills: Niagara 4 Software DGLux5 Software Distech Controls Software API Protocols BACnet Protocol Modbus Protocol Lon Protocol IT... 
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    Remote job
    Full time
    For contractors
    Work at office
    Flexible hours
    Shift work
    Weekend work

    CBRE

    Springfield, IL
    1 day ago
  •  ...people who share those values!. TENICA is looking to hire a Python developer with the curiosity and technical foundation to support the...  ...and apply modern Python libraries related to data manipulation, APIs, and automation Write clear, maintainable, and well-documented... 

    TENICA and Associates LLC

    Springfield, IL
    2 days ago
  • $96.8k - $223.4k

     ...architecture to perform software development tasks associated with developing, debugging or designing software applications or operating...  ...Experience integrating with a variety of different kinds of APIs (REST, etc.) Experience with cloud platforms (AWS, OCI, GCP... 
    Temporary work
    Remote work
    Flexible hours

    Oracle

    Springfield, IL
    1 hour ago
  • $96.8k - $223.4k

     ...Job Description We're looking for experienced AI Developers (IC4/IC5 level) to join our team and help shape the future of AI at Oracle...  ...with enterprise systems, using NL2SQL patterns and API connectivity. AI/ML Engineering Design, train, and... 
    Temporary work
    Immediate start
    Remote work
    Flexible hours

    Oracle

    Springfield, IL
    1 hour ago
  • $144.2k - $288.4k

     ...healthcare services. Required Qualifications Salesforce certified developer or architect certification 10+ years of experience in software...  ...and frameworks. Expertise in enterprise application architecture, API development, and microservices. Deep understanding of DevSecOps... 
    Hourly pay
    Full time
    Temporary work
    Local area
    Flexible hours

    Hispanic Alliance for Career Enhancement

    Springfield, IL
    3 days ago
  • $144.2k - $288.4k

     ...products 10+ years of experience building consumer-facing products using any SPA frameworks (Angular/React/Vue) and building restful API Services using JVM-based technologies (Kotlin or Java), or .NET APIs running in the cloud Expert in distributed systems, cloud-based... 
    Hourly pay
    Full time
    Temporary work
    Local area
    Immediate start
    Flexible hours

    CVS Health

    Springfield, IL
    5 days ago
  • $31 - $46 per hour

     ...exceptions will be made. The Main Responsibilities The Back-end Developer Intern will be responsible for: Collaborate with cross-functional teams to design and develop server-side features and APIs. Build and maintain backend services using Python and Django... 
    Hourly pay
    Full time
    Summer work
    Internship
    Summer internship
    Remote work
    Work from home

    Lensa

    Springfield, IL
    1 hour ago
  • $100k - $140k

     ...industry, looking for a passionate and dedicated Frontend React Developer to join our dynamic team. This is a permanent, full-time position...  ...React and Next.js, coupled with experience in Front End, Vue, API Development, and payments. Why join us? stealthmode startup remote... 
    Permanent employment
    Full time
    Local area
    Remote work

    Jobot

    Springfield, IL
    3 days ago
  • $35 - $65 per hour

     ...get to work! Job Duties Work as a member of the team to design, develop, and implement enterprise-level applications. Write clean, efficient...  ...JDK v11 and up, C#. Extensive experience in building RESTful APIs and working with microservices architecture. Strong knowledge... 
    Hourly pay
    Permanent employment
    Contract work

    Levi, Ray & Shoup, Inc.

    Springfield, IL
    1 day ago
  •  ...deliver new features; collaborate with team to break down complex problems and implement solutions spanning multiple system layers (UI, API, services, data, integrations). Evaluate enhancement requests; create unit and/or UI tests to validate functionality and... 
    Hourly pay
    Contract work
    Work at office
    Local area
    Remote work

    Eliassen Group

    Springfield, IL
    1 hour ago
  •  ...focusing on .NET technologies, IIS, and Microsoft SQL Server. Develop, test, and implement application modifications, re-platforming,...  ...ASP.Net application development, XSLT, JavaScript, and Restful API development. Experience in application migration to new hosting... 
    Full time
    3 days per week

    Confidential

    Springfield, IL
    8 hours ago
  • $31 - $46 per hour

     ...Responsibilities As an intern, you will work closely with experienced developers to build and maintain web applications using Vue.js on the...  ...Node.js and backend frameworks like Express.js for building APIs Basic understanding of HTML, CSS, and responsive design... 
    Hourly pay
    Summer work
    Internship
    Summer internship
    Remote work
    Work from home

    Lensa

    Springfield, IL
    1 hour ago
  • $19.62 - $38.32 per hour

     ...development to manage software development tasks associated with developing, debugging, or designing enterprise-class software applications...  ...Experience with XML, JSON, node.js, javascript, REST APIs Have completed at least one internship, research assistantship... 
    Hourly pay
    Temporary work
    Internship
    H1b
    Flexible hours

    Oracle

    Springfield, IL
    1 hour ago
  • ServiceNow (SNOW) Developer will perform configuration, development, support, and maintenance of the SNOW instances and business processes...  ...mapping roles and access controls Integrating the NOW platform’s API with third‑party technologies Developing and designing process... 
    Work experience placement
    Work at office

    NewGen Technologies

    Springfield, IL
    4 days ago
  • $100.9k - $186.8k

     ...to join our team. The ideal candidate will be responsible for developing and creating monitoring and observability dashboards within Splunk...  ...advanced proficiency in PowerShell scripting and Graph APIs, as well as intermediate proficiency in Power Apps/Automate. This... 
    Full time
    Part time
    Work at office
    Remote work
    Flexible hours

    Centene Corporation

    Springfield, IL
    6 days ago
  • $110k - $155k

     ...and apply our customer service and software expertise, we look to develop our associates to grow right along side the company. Nelnet...  ...enabling process automation Experience with RESTful API driven software development and automated testing Experience... 
    Contract work
    Temporary work
    Work at office
    Local area
    Remote work

    Nelnet

    Springfield, IL
    1 day ago