872 api developer jobs at 343 companies in Niagara Falls, NY
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
5+ YOE5+ years experience building APIs and microservices; knowledge of RESTful design; experience evaluated via technical screening and managerial interview.
Healthcare of Ontario Pension Plan: Provides defined benefit pensions for Ontario healthcare workers.
10+ YOE10+ years software engineering experience with 6+ years in APIs/integration; strong Azure, .NET/ASP.NET Core, RESTful API, security, CI/CD, and integration patterns experience.
.NET, .NET Core, ASP.NET Core, Azure Functions, Azure Service Bus, Azure SQL, Azure Key Vault, Azure API Management, Azure Application Insights, Redis, Tyk, F5, Ariel, Microsoft Dynamics CRM, JWT, OAuth, OIDC, CI/CD
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
6+ YOE6+ years SDET/automation testing experience, strong Java proficiency, 4+ years automation with Java/TestNG/Selenium/JUnit/Maven/Cucumber, 2+ years API automation with Rest Assured, SQL and DB testing, CI/CD familiarity, exposure to GraphQL and GenAI (COPILOT).
Sun LifeNYSE: SLF: Provides insurance, wealth, and asset management solutions globally.
8+ YOE8+ years in application development with Java/Spring Boot, microservices and API design; experience with AI-assisted development, secure SDLC, front-end (React), containerization (Docker/Kubernetes), Kafka, and DevOps tools.
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
10+ YOE10+ years in software; expert in at least one of Java, Python, Kotlin; strong API design, GraphQL, REST/RPC; scalable distributed systems; governance and standards.
Sun LifeToronto Stock Exchange: SLF: Provides insurance, retirement, and asset management services globally.
8+ YOE8+ years IT experience with Java/Spring Boot, microservices and API development, AI-assisted tooling (GitHub Copilot), security scanning, containerization, DevOps and leadership/mentoring experience.
GitHub Copilot, SonarQube, Checkmarx, Snyk, Veracode, Java, Spring Boot, React, Docker, Kubernetes, Kafka, SOAP, XML, REST, JSON, JUnit, Mockito, RESTAssured, BitBucket, CDD, Jenkins, JavaScript, jQuery, Large Language Models (LLMs)
Pebl: Platform for hiring, paying, and managing global employees.
1+ YOE1–2 years QA/test automation experience focused on API/back-end testing; experience with Karate or similar tools, REST, CI/CD, basic SQL, strong communication and collaboration.
NasdaqNASDAQ: NDAQ: Operates global electronic marketplaces and provides financial technology services.
2+ YOEUniversity degree or equivalent,2+ years relevant experience,object‑oriented programming (Java or C#),experience building/supporting REST APIs in cloud environments (AWS),strong problem solving and communication.
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
5+ YOEBachelor's or equivalent, 5+ years SQL Server development, strong Python ETL experience, production troubleshooting, dimensional modeling knowledge, experience with C#/.NET and shell scripting preferred.
MaintainX: Provides mobile-first software for maintenance and asset management.
4+ YOE4+ years managing software development teams building APIs and integrations; strong foundation in distributed systems, API design (REST/GraphQL), data modeling, CI/CD, and developer/platform experience.
Capco: Global consultancy providing business and technology services.
5+ YOE5+ years software engineering experience with .NET/ASP.NET Core, REST API development, React, Microsoft SQL Server, Docker, CI/CD, and API security (JWT/OAuth2); strong collaboration and problem-solving skills.
.NET, ASP.NET Core, React, Microsoft SQL Server, Dapper, Entity Framework Core, JWT, OAuth2, Docker, CI/CD, Tailwind CSS, shadcn/ui, Microsoft Azure, Snowflake
CBC/Radio-Canada: National public broadcaster providing radio, television, and digital services.
Android development experience with Kotlin; familiarity with cross‑platform tech (Kotlin Multiplatform or React Native); Kotlin and native Android development; knowledge of APIs and third-party integrations.
SOTI: Software for managing and securing mobile and IoT devices.
8+ YOESenior full-stack developer with 8+ years of experience; strong C#, .NET, Web API, REST API, and front-end tech (TypeScript, Angular); able to design, develop, and maintain scalable software.
C#, NET, Web API, REST API, Angular, TypeScript, HTML, CSS
Fidelity Canada: Provides investment products and clearing services for Canadian investors.
2+ YOE2+ years Salesforce development (Apex, APIs), experience with Java and web/REST services, Salesforce platform and Marketo familiarity, strong communication and leadership skills, university degree preferred, Canada work authorization required.
Salesforce, LWC, Apex, Visualforce, Einstein Analytics, Tableau CRM, Marketo, Java, APIs, Web Services Development, REST Web Services, Salesforce Service Cloud, Salesforce Financial Cloud
Konrad Group: Provides digital strategy, design, and software development services.
3+ YOE3+ years software development or MarTech experience; strong skills in JavaScript/TypeScript/Python/Java/C#; experience with Adobe MarTech platforms, APIs, SQL, and modern web technologies; strong communication and problem-solving.
EHN Canada: Private network of mental health and addiction treatment facilities.
2+ YOE2+ years Salesforce development with Apex, Marketing Cloud and/or Data Cloud experience; API integration and sandbox-to-production deployment experience; strong stakeholder collaboration and Salesforce platform knowledge.
Salesforce, Apex, Flows, Marketing Cloud, Data Cloud, Genesys, API
Kumaran Systems: Global provider of digital transformation and legacy modernization solutions.
5+ YOEExperienced Full Stack .NET developer with 5+ years' experience in C#, .NET Framework/.NET Core, ASP.NET MVC, Web API, Angular/AngularJS, Microsoft SQL Server and Azure services; banking domain experience preferred.
C#, Microsoft .NET Framework, Microsoft .NET Core, ASP.NET MVC, Web API, Angular, AngularJS, Microsoft SQL Server, Azure services, AutoSys, Oracle Database, Tomcat, JBoss, Java, MQ
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
5+ YOE5+ years developing large enterprise C#/.NET applications; strong Microsoft SQL Server, REST API/Microservices, web services (JSON/Swagger/SOAP), IIS, enterprise security protocols, CI/CD and Agile experience; strong communication skills.