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$35 - $65 per hour
...opportunity in Central Illinois. This remote role involves designing and developing enterprise-level applications while following best practices in... ...of experience, strong skills in HTML, CSS, Java, and RESTful APIs. The pay range is between $35 and $65 per hour, depending on...SeniorHourly payContract workRemote workLevi Ray & Shoup Inc
Springfield, IL3 days ago- Senior Appian Developer Astor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered in McLean, VA seeking a Senior... ...for both front‑end and back‑end functions, including APIs and data integrations. Skilled in troubleshooting complex technical...SeniorFull timeWork experience placement
- A leading internet financial platform company is seeking a Senior Software Engineer to enhance blockchain systems for global tokenization. This role includes developing scalable microservices for secure APIs and collaborating with Product and Engineering teams. Ideal candidates...SeniorFlexible hours
Circle
Springfield, IL3 days ago - Drupal Developer Astor & Sanders Corporation (Astor), an award-winning IT solutions provider headquartered in McLean, VA, is seeking a skilled... ...sites, modules, and integrations. Integrate third-party APIs and services as needed. Keep up-to-date with Drupal core updates...SeniorFull time
$145k
...Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described... ...and new system capabilities and integrations, RESTful API development and modification, database management, and data...SeniorContract workRemote workMAXIMUS
Springfield, IL1 day ago$197.4k - $232k
...Confluent. One Team. One Data Streaming Platform. About the Role Senior Software Engineers II at Confluent take ownership of critical... ...in on-call as needed. Collaborate across teams to define APIs, integration points, and data models that keep the platform coherent...SeniorFull timeRemote workConfluent
Springfield, IL4 days ago- A leading technology solutions provider is seeking a Senior Full Stack Developer to oversee the software development lifecycle. This role involves application development, API microservices design, and collaboration within a SAFe Agile framework. Candidates should have...Senior
Karsun Solutions
Springfield, IL3 days ago $152.5k - $205k
...Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale... ...What You’ll Be Responsible For The Senior Software Engineer is responsible for extending... ...are responsible for reliable and secure APIs that transfer value and assets across all...SeniorPermanent employmentRemote workFlexible hoursCircle
Springfield, IL3 days ago- Aretum is seeking a skilled Senior Python Developer to lead the integration of applications with client systems. This remote position requires 8+ years of Python development experience and expertise in API development, microservices, and Agile methodology. As part of a...SeniorRemote job
$79.2k - $178.1k
...testing, documentation, and operations. We are seeking a Senior Software Developer (IC3) to design, develop, and operate backend services and... ...Design and implement backend services and APIs used by Oracle Health product teams. Deliver features...SeniorTemporary workVisa sponsorshipFlexible hoursOracle
Springfield, IL10 hours ago- ...Senior Full Stack Developer Anywhere Type: Contract-to-Hire Category: Development Industry: Insurance Workplace Type: Remote... ...solutions using C# (.NET 6/7/8+), ASP.NET Core, REST/gRPC APIs, and Blazor. Own end-to-end feature delivery including requirements...SeniorHourly payContract workLocal areaRemote work
Eliassen Group
Springfield, IL1 day ago $253.9k - $298.7k
...reliability. The Role We are looking for a Senior Staff Software Engineer to serve as... ...effort to achieve industry-leading APY through validator optimization — including... ...about the Solana ecosystem, follow protocol developments closely, and have a strong thesis on where...SeniorLocal areaCoinbase
Springfield, IL4 days ago- ...successful candidate will design and operate data catalog services, develop robust data pipelines, and collaborate with AI/ML engineers.... ...experience with Kubernetes, data pipeline development, and RESTful API principles are essential. This position supports flexible...SeniorFlexible hours
$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...SeniorPermanent employmentFull timeLocal areaRemote workJobot
Springfield, IL2 days ago- ...consulting organization is seeking a skilled Angular Frontend Web Developer to support a technology modernization program. In this role,... ...proficiency in Angular, TypeScript, and familiarity with RESTful APIs. This is a remote position with minimal travel expected. #J-188...SeniorRemote job
$100k - $140k
...stack engineer who enjoys working across the stack, values clean APIs, and takes pride in building software that is both fast and... ...data‑intensive web applications used across statewide contracts Develop backend services in Java, with a strong emphasis on well‑designed...SeniorFull timeContract workRemote work$96.8k - $251.6k
...Job Description The Senior Principal AI Agent / ML Software Engineer is a Senior Staff... ...including orchestration of LLMs, tools, APIs, memory, retrieval, evaluation,... ...long-context systems, reasoning models, AI developer tooling, and agentic-first development....SeniorTemporary workFlexible hoursOracle
Springfield, IL10 hours ago$120k - $160k
Pending - Senior Software Engineer - Nussbaum Technology Job Type: Full-Time Date Posted: 2025-09-04 06:09 Job Description Welcome!... ...using C# Desired Experience Multi-tenant software NET Core Web APIs Agile Practices SQL Server, Entity Framework, LINQ, and T-SQL...SeniorFull timeRemote workMonday to FridayFlexible hours$86.7k - $173.3k
...About the Role Senior Software Engineer, Cloud – remotely within the U.S., working on... ...utilizing Go for cloud‑based platforms. Develop high‑volume, low‑latency services for a... ...external partners to develop and integrate APIs that empower users to share and utilize...SeniorRemote workAbbott
Springfield, IL3 days ago$100k - $150k
Overview The Senior Developer Services Specialist is a technical leader and trusted advisor who enables internal and external developers to successfully... ...visualize the recommended way to consume platform tools and APIs. Leverage deep platform, API, and extensibility knowledge to...SeniorRemote work$135k - $150k
...Find Your Next! Summary As a key member of the team, the Senior Full Stack Developer will be responsible for the entire software development lifecycle... ...Microservices Architecture: Design, develop, and maintain API microservices that are scalable, resilient, and secure....SeniorPermanent employmentWork experience placementH1bWork at officeLocal areaVisa sponsorshipWork visa$91.3k - $228.2k
Senior Front end engineer(Vue JS) page is loaded## Senior Front end engineer(Vue JS)locations... ...comprehensive unit test coverage for all developed software* Work closely with product and... ...Vue3 or React + (Vue3): Composition API, composables, script setup syntax, component...SeniorFull timePart timeImmediate startWorldwide$120k - $150k
## Senior Software EngineerApplyremote type: On-sitelocations: Chicago, IL: Dallas, TX: San... ...teams. In this role, you will design, develop, and maintain applications and services powering... ...a focus on scalable architecture, modern API development, performance optimization,...SeniorLocal areaShift work$100k - $140k
...design and maintain data-intensive applications. This role involves developing backend services in Java and building responsive UIs with Vue.... ...~2+ years in software development and strong skills in AWS and API-first design. The position is remote or hybrid, offering a...SeniorRemote job$83.43k - $222.48k
...health care company can be in the digital world. The Senior Software Development Engineer will design, develop and implement digital solutions and systems by... ...distributed remote I/Os Work with vendor‑provided SDKs and APIs to integrate third‑party hardware devices into...SeniorHourly payFull timeTemporary workLocal areaRemote workFlexible hours- ...this person to live in/near/around Chicago, IL. As a Full Stack Developer on the MIS team, you will be working in a highly collaborative... ...complex interactive experiences. Proficiency in building APIs. Experience with relational databases (e.g., PostgreSQL, MySQL...SeniorWork experience placementLive inLocal area
$35 - $60 per hour
...remote contract-to-hire role. The ideal candidate will design, develop, and implement enterprise-level applications, focusing on clean,... ...development lifecycle. Experience with HTML, CSS, Java, C#, RESTful APIs, and microservices is essential. The position offers a...Hourly payContract workRemote workLevi Ray & Shoup Inc
Springfield, IL3 days ago- ...forefront. Job Summary Aretum is seeking a skilled and motivated Senior Python Developer. As a Senior Python Developer, you will assist in leading... ...Bachelor’s Degree (or 2 additional years of experience) API development and integration experience Experience with Microservices...SeniorFull timeContract workTemporary workLocal areaRemote work
$140k - $170k
...technologies). CI/CD & Deployment Automation: Develop advanced pipelines (Azure DevOps, GitHub... ...tools to enable automated scaling of APIs in the cloud. ~ Programming &... ...guidelines, position eligibility and SitusAMC Senior Management approval. SitusAMC offers PTO...SeniorFull timeLocal areaRemote workSitusAMC
Springfield, IL4 days ago- Senior .NET Developer - Krasan Consulting Services Hybrid role - initial 30 days onsite, later 2-3 days onsite per week The organization is seeking... .... System Integration & Maintenance Integrate RESTful APIs and third‑party services to deliver seamless user...SeniorFull time2 days per week3 days per week
