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223 rest api jobs at 144 companies in Berwyn, IL

1mo
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Director, API & Integrations
Chicago, Illinois, United States
$175k-$205k/yr HybridFull Time
Euromonitor International
Euromonitor International: Provides strategic market research and global business intelligence services.
Proven API/product ownership; technical fluency with REST/GraphQL, OAuth 2.1, SAML/OIDC, webhooks, SDKs and cloud platforms; AI/agent ecosystem familiarity; experience in governance, commercialisation and stakeholder communication.
REST, GraphQL, OAuth 2.1, SAML, OIDC, webhooks, SDKs, AWS, Azure, GCP, Model Context Protocol (MCP), Microsoft Copilot, Claude, ChatGPT, Gemini
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1mo
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Third Party API - Technical Lead
Hartford or Columbus or Charlotte or Chicago
$135k-$203k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOE8+ years software engineering/integration/API experience, 3+ years as a technical lead/product owner, RESTful API design, API gateways and security (OAuth, JWT, mTLS), cloud (AWS preferred), SAFe Agile, AI familiarity, strong communication, US work authorization required.
API gateways, OAuth, JWT, mTLS, AWS, SAFe Agile, AI
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3mo
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Senior Associate, Software Application and API Developer (St. Charles, Illinois) (St. Charles, IL, US)
St. Charles, Illinois, United States
$153k-$212k/yr HybridFull Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
7+ YOEBachelor's degree in CS/EE/Math or related field plus 7 years in software development; experience with .NET, REST/SOAP APIs, microservices; VB.NET, ASP.NET, C#, JavaScript, SQL Server; Excel/VBA actuarial models; hybrid work in St. Charles, IL.
VB.NET, ASP.NET, C#, JavaScript, XML, HTML, CSS, REST, SOAP, Swagger, Postman, SOAP UI, SQL Server, .NET
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1mo
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Software Engineer, API
Chicago, Illinois, United States
$108k-$110k/yr HybridFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
3+ YOEBachelor's in CS/Engineering, 3+ years software development with API design, experience with Java, Spring Boot, AWS, OAuth/JWT, REST, Git, CI/CD, and testing frameworks.
RESTful Services, OAuth, JWT, Java, Spring Boot, AWS, Git, CI/CD
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2w
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API Product Manager
Itasca or United States
$150k-$180k/yr RemoteFull Time
Accertify
Accertify: Provide digital fraud prevention and identity protection software solutions.
5+ YOE5+ years product management experience (fraud, identity, payments, or SaaS); knowledge of RESTful APIs and OAuth/SAML; vendor and data provider management; developer experience and partner integrations.
RESTful APIs, OAuth, SAML, Shopify, Salesforce, Ping Identity
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2mo
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Senior Software Engineer, Zaidyn
Chicago or New York or Princeton
HybridFull Time
ZS
ZS: Global management consulting and technology firm for healthcare and life sciences.
3+ YOEBachelor’s or Master’s in CS/EE/math or related; 3-5 years software product development; full-stack SaaS experience; strong APIs, SOA/REST; English fluency.
Java, REST, SOA, Jenkins, Hibernate, Maven, TeamCity, APIs, OOP, DI/IoC, AWS
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1mo
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Ivalua Technical Lead
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Austin or Cleveland or Oklahoma City or Albany or Chicago or St. Petersburg or Hartford or St. Louis or Sacramento or Raleigh or Minneapolis or Mountain View or Denver or Boston or Philadelphia or Des Moines or Overland Park or Walnut Creek or Charlotte or Seattle or Carmel or Atlanta or Arlington or Bentonville or Nashville
$63k-$219k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ Mgmt5+ years leading Ivalua technical implementation teams, 3+ years building REST/SOAP API integrations, Ivalua certified, knowledge of SAP/PeopleSoft/Deltek, bachelor’s degree or equivalent.
Ivalua, REST, SOAP, SAP, PeopleSoft, Deltek, API
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2w
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Senior Solutions Engineer
Chicago or New York or United States or Canada
RemoteFull Time
Zero Hash
Zero Hash: Infrastructure platform for crypto, stablecoins, and tokenized assets.
3+ YOE3+ years in solutions/sales/technical engineering supporting brokerage or trading infrastructure; experience with FIX, REST/APIs, SQL and a scripting language (Python/JavaScript/Go); strong communication and troubleshooting skills.
APIs, FIX, REST, SQL, Python, JavaScript, Go
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4w
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Senior Integration Engineer
Chicago, Illinois, United States
OnsiteFull Time
Paul Hastings
Paul Hastings: International law firm providing legal and regulatory consulting services.
7+ YOE7+ years in application development or integration engineering; expert Workato or iPaaS experience, APIs (REST/SOAP/GraphQL), webhooks, SQL, JavaScript/Python, OAuth, JSON/XML; Bachelor's in CS/IS or equivalent; strong communication and leadership.
Workato, iPaaS, APIs, REST, SOAP, GraphQL, webhooks, OAuth, JSON, XML, SQL, JavaScript, Python, SDKs, Workato formulas, Jira
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1mo
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Lead Software Engineer
Chicago, Illinois, United States
$154k-$164k/yr HybridFull Time
Alliant Credit Union
Alliant Credit Union: Provides digital banking, consumer loans, and mortgage lending services.
8+ YOEBachelor's in IT/CS or related, 8 years related experience, strong C#, .NET (Framework/Core), MVC, Azure DevOps, REST/Web API, Entity Framework Core, Symitar/Episys experience, Splunk/Log Insight/Grafana familiarity.
C#, Microsoft .NET Framework, .NET Core, MVC, Microsoft Azure DevOps, REST, Web API, Entity Framework Core, Symitar API (SymXchange / SymConnect), Episys, PowerOn, RepGen, Splunk, Log Insight, Grafana
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1mo
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Integrations Software Engineer
Ghent or London or Chicago
HybridFull Time
Qargo
Qargo: Cloud-based transport management platform for logistics and freight operations.
2+ YOE2+ years software engineering or systems integration experience; strong API knowledge (REST, GraphQL), data formats (JSON, XML); experience with Python, Django, GraphQL, K8s, React/React Native, Google Cloud; strong communication and stakeholder management.
APIs, REST, GraphQL, JSON, XML, Python, Django, K8s, React, React Native, Google Cloud
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3mo
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Python Developer IV
Webster or Chicago or St Petersburg or Phoenix or Tempe
$111k-$175k/yr HybridFull Time
Paychex
PaychexNASDAQ: PAYX: Provider of integrated payroll, HR, and benefits outsourcing solutions.
5+ YOE5+ years backend software development; Python/Django; AWS; REST APIs; PostgreSQL/MySQL; Docker; CI/CD.
Python, Django, REST, Celery, Redis, AWS, EC2, S3, RDS, Lambda, CloudWatch, PostgreSQL, MySQL, Docker, Kubernetes, Jenkins, GitHub Actions
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3mo
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IT Systems Integration Developer
Chicago or Lincolnshire
$92k-$141k/yr HybridFull Time
Camping World
Camping WorldNYSE: CWH: Retailer of recreational vehicles, camping gear, and maintenance services.
5+ YOE5-10 years software development; strong backend focus; REST/SOAP APIs; SQL Server/Oracle; Git; .NET Core/C#/Java/JavaScript/PHP; APIs; Agile/Waterfall.
.NET Core, C#, JAVA, JavaScript, PHP, REST, SOAP, SQL Server, Oracle, Git, Visual Studio, NestJS, Symfony, ReactJS, Angular, Docker, Kubernetes, Jenkins, CI/CD, Confluence, Jira
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5d
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Team Solutions Engineer - Enterprise
Downers Grove or Frisco
$84k-$152k/yr OnsiteFull Time
T-Mobile
T-MobileNASDAQ: TMUS: Provides wireless network services and mobile communication devices.
2+ YOEHigh school diploma required; 2+ years telecom/IT or API integration experience; hands-on REST API and Postman experience; strong technical presentation and communication skills; STEM bachelor\u0002s preferred.
REST API, Postman
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2mo
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Sr Software Engineer (Hybrid) Bolingbrook, IL
Bolingbrook, Illinois, United States
$117k-$133k/yr HybridFull Time
S&S Activewear
S&S Activewear: Wholesale distributor of blank apparel and accessories.
5+ YOE5+ years with C#/.NET; UI frameworks; REST APIs; SQL; cloud deployments (Azure/AWS); strong problem-solving and communication.
C#, .NET, JavaScript, SQL, Azure, AWS, REST, Blazor, React, Angular, Vue, CSS
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2mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, financial data, and management services.
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
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1d
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AI Agent Developer
Glenview, Illinois, United States
$50-$54/hr OnsiteFull Time
Abt Electronics
Abt Electronics: Independent retailer of consumer electronics, appliances, and home goods.
1+ YOE1–3 years PHP experience, REST/JSON and SQL proficiency, experience with LLM APIs, Git, strong problem-solving and communication skills.
PHP, OpenAI, Anthropic, Google, REST, JSON, Oracle, MySQL, MariaDB, Postgres, Git
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1mo
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Senior Application Engineer I
Philadelphia or Chicago or New York City or Los Angeles or Washington
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOEBachelor's or equivalent experience, 8+ years in advanced application support/configuration, expertise with e-discovery platforms, APIs/ETL, Microsoft SQL, Linux, REST APIs, PowerShell, and strong communication and problem-solving skills.
Relativity Server/One, Reveal, BrainSpace, APIs, ETL, Microsoft SQL, Linux, REST APIs, PowerShell
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1d
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SAP Commerce Cloud - Front End Developer
Atlanta or Chicago or Dallas or Houston or Austin
$69k-$162k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experience developing SAP Commerce Cloud storefronts, translating technical designs into code, debugging platform issues, and working with HTML,CSS,JavaScript and REST APIs.
SAP Commerce Cloud, Hybris, JSP, Spartacus, HTML, CSS, JavaScript, REST
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2mo
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Tosca Automation Engineer
Columbus or Merrillville
$75k-$105k/yr HybridFull Time, Contract
TTC Global
TTC Global: Global software testing and quality assurance consultancy.
5+ YOEFive+ years QA automation; 3+ years Tosca; SAP and Salesforce; API testing (REST/SOAP); SDLC, Agile/DevSecOps; strong communication.
Tosca, SAP, Salesforce, REST API, SOAP API, JSON, XML, Jenkins, Azure DevOps, qTest, NeoLoad
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