API Software Engineer (W2 Hybrid)
Performix
The API Software Engineer will design, develop, and maintain backend services and APIs that power platform, enabling customer solutions across food, agriculture, and industrial domains. This role ensures scalable, secure, and reliable API integrations that connect internal systems, external partners, and customer‑facing applications. Key Responsibilities API Development & Integration Build, test, and deploy RESTful and GraphQL APIs for backend services. Ensure APIs meet performance, scalability, and security standards. Integrate data pipelines with customer solutions and external systems. Collaborate with product managers, architects, and engineers to translate business needs into technical solutions. Maintain and enhance backend infrastructure supporting data ingestion, transformation, and delivery. Apply CI/CD pipelines, automation, and containerization (Docker/Kubernetes). Quality & Reliability Write and maintain unit/integration tests; apply test‑driven development. Troubleshoot and debug complex backend/API issues. Monitor API performance and implement improvements. Partner with cross‑functional teams (data engineering, product, customer solutions). Document API specifications, workflows, and system configurations. Provide technical support and guidance to internal stakeholders. Qualifications Education: Bachelor’s degree in Computer Science, Engineering, or related field. Experience: 4–6+ years in backend/API development. Technical Skills Proficiency in Java, Node.js, or Python for API development. Experience with API management platforms (Apigee, Kong, Layer7, etc.). Strong knowledge of cloud platforms (AWS, Azure, or GCP). Familiarity with data integration, microservices, and event‑driven architecture. Soft Skills Strong communication, problem‑solving, and collaboration abilities. #J-18808-Ljbffr Performix
$65k - $75k
PCMI Corp. in Park Ridge, IL, is seeking a Software Support Engineer to enhance IT Service Management by troubleshooting advanced software issues... ...communication with clients and strong technical skills in both API integration and software support. Candidates should have a...Suggested- Supernova Technology™ in Chicago is seeking an API Developer to design and implement scalable API solutions. This role involves working... ...should have a Bachelor’s degree in Computer Science or Engineering and a minimum of three years experience with API development, including...SuggestedRemote job
- A leading grocery retailer in Chicago is seeking a Software Engineer to work on innovative eCommerce solutions. You will collaborate with senior... ...and engaging in emerging technologies. The role offers a hybrid work model, requiring 3 in-person days and 2 remote days, catering...SuggestedRemote work
- Supernova Technology, based in Chicago, is looking for a Software Developer to work on API design and development. This role involves architecting scalable API solutions and collaborating with teams to ensure high-quality deliverables. Candidates should possess a Bachelor...Suggested
- ...architecture designs and enhancing system performance. Applicants should have 4+ years of Java development and Guidewire experience. A hybrid schedule is offered along with a comprehensive benefits package including competitive salary and bonus eligibility. #J-18808-Ljbffr...Suggested
$65k - $75k
PCMI, LLC is looking for a Software Support Engineer to join our dynamic team in Park Ridge, IL. This role is essential for supporting IT Service Management by troubleshooting and resolving escalated software issues. You will document knowledge, manage tickets using various...$104k - $146k
Sr. Software Engineer - Le Mars, IA or Chicago, IL - Hybrid Chicago, IL, United States and 1 more Job Description Analyze, design, develop, maintain and improve... ...scripting; Systemintegration experience using APIs, HTML, XML, Oracle E-Business Suite, MS Office Suite...Full time- ...Position: Senior Full Stack Software Engineer Location: Chicago, IL (Hybrid onsite 3 days/week) Duration: 4+ Months... ...experience in application and backend API development using object-oriented... ...• [Pay Rate]: $75 - $85 per hour W2 o Note: Pay rate will be commensurate...Hourly payFull timeTemporary work3 days per week
- ZS Associates is seeking a Senior Software Engineer to design and implement web services and APIs for their SaaS products. This role emphasizes full ownership of... ...technologies, and a collaborative spirit. ZS fosters a hybrid working environment, prioritizing both in-office...Work at officeRemote work
- ...direct client is currently seeking a Senior Java Fullstack Engineer for a contract position (ONLY W2). Location Can work remotely but available to be at... ...rendering and the DOM. Experience designing frontend component APIs with cross‑framework compatibility; components must...Contract workWork at officeRemote work
- ...Camunda Exp. Must Location: Chicago, IL (Hybrid 2-3 Days) Type: Long Term Contract Mandatory... ...and develop microservices and REST APIs that interact seamlessly with Camunda workflows... ...systems. Participate in end-to-end software development life cycle (SDLC) activities...Long term contract
- ...seeking a skilled Agentic AI Engineer to design, develop, and... ...expertise. Location: Chicago, IL (Hybrid) Employment Type: W2 Only Work Authorization:... ...Integrate AI agents with APIs, databases, and external... ...deployments Experience: 8+ years of software development experience 5+...
- ...Job Title: Sr. Data Engineer — MS Fabric, Azure Location: Hybrid (Chicago Office 2 days a week) Experience Required: 15 Years Contract Type: Sub-contractor not Allowed / only w2 Travel Required: No Core Responsibilities Design and build end-to-end data platforms using...Contract workFor subcontractorWork at office2 days per week
- ...Java to build scalable applications. The role involves developing full stack applications, designing REST APIs, and collaborating with cross-functional teams in a hybrid work environment. The ideal candidate should have over 7 years of experience, expertise in Java 8 & 21,...Remote job
- ...Developer with over 10 years of experience for a hybrid position based in Chicago. Candidates... ...experience in Java 17+, Spring RESTful APIs, Azure DevOps, and AWS. This role... ...building RESTful services and deploying software using modern tools in an Agile environment...Local area
$125.04k - $187.56k
A leading global food retailer is looking for a Senior Software Engineer to build resilient systems in a hybrid cloud environment. This role involves designing solutions, writing APIs, and troubleshooting software. The successful candidate will have 8+ years of experience...Work at officeRemote workFlexible hours- ...cloud-based, fully-customizable, end-to-end software solution to automate securities-based... ...make a real impact. Work as part of API (Application Programming Interface) team... ...Bachelor’s degree in Computer Science, Engineering or closely related field and 3 years of...Remote workHome office1 day per week
$154k - $243k
Adyen is looking for a Senior Software Engineer (Java) to join their Chicago office. In this role,... ...tackle complex technical projects and build APIs that impact many merchants. Candidates... ...in-person collaboration and offers a hybrid workplace. The annual base salary for this...Work at office$92k - $114.9k
...nonprofit organization supporting college students is hiring a Software Engineer to enhance user experience and develop full-stack projects.... ...role offers a competitive salary range of $92,000-$114,900, hybrid work setup, and various benefits including unlimited vacation...- ...managed cloud services platform. The role involves designing a hybrid multi-cloud platform while collaborating with product management... ...technologies and demonstrate proficiency in security practices and API-driven cloud solutions. Relevant cloud certifications are also...
- CCC Information Services is looking for a Software Engineer in Chicago, IL. In this role, you will develop new software and web applications... ...least 3 years of relevant experience. The position offers a hybrid work arrangement along with competitive benefits. #J-18808-Ljbffr...
$113.3k - $181.3k
...state-of-the-art audio products. This position allows remote or hybrid work based in Niles, IL. Successful candidates will have expertise... ...-solving mindset, and be proficient in designing Web-based APIs. Shure offers a competitive salary ranging from $113,300 to $181...Remote job- Wells Enterprises, Inc. seeks a Senior Software Engineer to work in a hybrid role based in Chicago, IL or Le Mars, IA. This role involves analyzing, designing, and improving software applications to meet user needs. The successful candidate will have 5-7 years of experience...
$76.6k - $144.7k
Chamberlain Group is seeking a Software Engineer 3, specialized in Front End development for Android and iOS. This hybrid role based in Oak Brook, IL, involves developing applications using Agile methodologies, collaborating with cross-functional teams, and mentoring junior...- Braven is seeking an Associate Software Engineer to support its mission of empowering college students. In this hybrid role based in Chicago or Newark, you will develop features and maintain systems that enhance our programs. You will work closely with senior engineers,...
$70 - $80 per hour
...Full Stack Software Engineer Location: Chicago, Illinois (Hybrid) Employment Type: Contract Duration : 12 month contract w/extension Role Overview... ...5+ years of experience in application and backend API development using object-oriented programming (Java,...Hourly payFull timeContract work- ...Chicago seeks a seasoned Cloud/Environment/SaaS Engineer to manage and optimize its Oracle Cloud... ...experience, with proficiency in REST/SOAP APIs, SQL/PL/SQL, and scripting tools like Python or Bash. This position offers a hybrid work environment, providing flexibility between...Remote work
- Role Overview We are seeking an experienced AI‑focused Software Engineer to design, build, and scale intelligent applications powered by modern... ...with deep expertise in building production‑grade AI systems, APIs, and distributed architectures. Key Responsibilities Design...Remote job
- Software company looking to bring on a Senior Software Engineer. You’ll be key to driving modernization and growth by developing technical solutions that enhance business... ...(C#/VB.Net) 5+ years of hands‑on experience with APIs and JSON At least 3+ years in Blazor or Razor...Full time2 days per week
- Performix is seeking an experienced API Software Engineer in Chicago, Illinois, to design and develop backend services and APIs. This role will focus on creating scalable, secure, and reliable API solutions that integrate with both internal systems and customer-facing applications...
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