182 api developer jobs at 79 companies in Denver, PA
4w
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Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
10+ YOEDesign and maintain REST APIs with Python and AWS Lambda; integrate with Amazon Aurora and DynamoDB; manage DB migrations with Liquibase; 10+ years experience and Bachelors in Computer Science required.
Python, Lambda, Aurora, DynamoDB, Liquidbase, CI/CD
3w
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Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
8+ YOE8+ years related experience, 3+ years Node.js, proficient in TypeScript and NestJS, experience with AWS, CI/CD, GitHub Actions, REST/Spring Boot/Java a plus; undergraduate degree or equivalent; strong communication and mentoring skills.
Node.js, Typescript, NestJS, Visual Studio Code, RESTful Services, Spring Boot, Java, CI/CD Pipeline, Github Actions, Git/GitHub, JIRA, AWS ECS Fargate, AWS EKS, AWS Lambda, XCode, SWIFT, Android Studio
2mo
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API & GCP Architect
Exton or Atlanta
OnsiteFull Time, Contract
10+ YOEExpertise in Apigee (Edge/X/Hybrid), GCP, Java/Spring Boot, microservices, Docker/Kubernetes, API security (OAuth2.0, JWT, OIDC, mTLS); 10+ years software development and 5+ years Apigee experience preferred.
Apigee Edge, Apigee X, Apigee Hybrid, GCP, GKE, Cloud Run, Pub/Sub, Cloud Functions, Cloud Storage, IAM, Monitoring, Logging, REST APIs, JSON, XML, OpenAPI/Swagger, Java, Spring Boot, JavaScript, Python, Shell, Docker, Kubernetes, Terraform, Kafka, RabbitMQ, Prometheus, Grafana, Cloud Monitoring, Splunk, ELK, OAuth 2.0, JWT, OpenID Connect, mTLS
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
1mo
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
1w
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Application Developer I
Coppell or Fort Washington
OnsiteFull Time
1+ YOE1-2+ years full-stack development experience with T-SQL, .NET/C#, JavaScript framework (Angular), APIs, JWT, MSSQL, SSMS; familiarity with SDLC/Agile and cloud platforms.
T-SQL, .NET Framework, C#, JavaScript, Angular, APIs, JWT Token Authentication, MSSQL, SSMS, JSON, XML, ASP.NET, C++, Microsoft Azure, Excel, SQL
4d
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UI Developer
Malvern, Pennsylvania, United States
OnsiteFull Time
Required: TypeScript, Node.js, Node-based batch development, batch modernization experience, and AWS proficiency. UI and API development are optional.
TypeScript, Node.js, AWS
1mo
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Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
1w
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Microservices Developer
Malvern, Pennsylvania, United States
OnsiteContract
Hands-on Node.js and Python development, microservices architecture, REST APIs, AWS ETL/data services (Glue,Lambda,S3,Step Functions,AppFlow,DynamoDB); Docker preferred; cloud platform familiarity.
Node.js, Python, REST, AWS Glue, AWS Lambda, Amazon S3, AWS Step Functions, AWS AppFlow, DynamoDB, Docker, AWS, Azure, GCP
2mo
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Salesforce Developer (CPQ)
Chesterbrook or Orlando or Tampa or Nashville
$54k-$196k/yr HybridFull Time
2+ YOEMinimum 2 years Salesforce development and CPQ experience; Apex, LWC, REST API integrations, JavaScript proficiency; Bachelor's degree or equivalent experience; strong problem-solving and communication skills.
Apex, LWC, Rest API Integrations, JavaScript, Salesforce CPQ, Sales Cloud, Salesforce Billing
2mo
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Senior Java Developer - Vice President
New Castle, Delaware, United States
HybridFull Time
6+ YOEProficiency in Java, API, Cloud engineering; RESTful APIs with Spring; Oracle/SQL/NoSQL; OpenShift/Kubernetes; CI/CD; SDLC/Agile; DevOps; able to work in fast-paced environment.
Java, API, Spring, Oracle, SQL, MongoDB, OpenShift, Kubernetes, MQ, Kafka, CI/CD, SDLC, Agile
1w
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Engineer II
Newark or Indianapolis
HybridFull Time
4+ YOEBachelor's degree or equivalent,4+ years developing enterprise applications using Python and SQL,experience with APIs, integrations, MuleSoft, rules engines, CI/CD,Azure DevOps;strong analytical and communication skills.
Python, SQL, MuleSoft, Camunda, Drools, DMN, Azure DevOps, AWS, Snowflake
2mo
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SAP Convergent Charging (CC) Developer
Middletown, Pennsylvania, United States
OnsiteContract
7+ YOE7+ years SAP development experience with 3+ years in SAP Convergent Charging, strong billing/charging and integration skills, Java/SQL/API experience, SAP BRIM/S4HANA knowledge, and relevant SAP/cloud certifications or equivalent degree.
SAP BRIM, Microsoft Dynamics CE, SAP Convergent Charging (CC), SAP Convergent Invoicing (CI), SAP Subscription Order Management (SOM), SAP FI-CA, SAP S/4HANA, SAP BTP, SAP Integration Suite, SAP HANA, ABAP, Java, SQL, APIs, CI/CD
1w
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Senior Developer - Salesforce Marketing Cloud
Malvern or Charlotte or Plano or Dallas
HybridFull Time
5+ YOERequires a bachelor's degree or equivalent experience, 5+ years developing Salesforce Marketing Cloud solutions, SFMC platform expertise, AMPscript, SQL, data modeling, APIs, and Agile delivery experience.
Salesforce Marketing Cloud, Automation Studio, Journey Builder, Email Studio, Contact Builder, Salesforce CRM, Adobe Experience Cloud, Real-Time CDP, Journey Optimizer, Tableau, AWS, AMPscript, SQL, Scrum, SAFe, CI/CD, Salesforce Agentforce
2w
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Adobe Marketo Sr Developer
Malvern or Charlotte or Atlanta
$68k-$109k/yr OnsiteFull Time
9+ YOE9+ years in marketing automation with 3+ years in Marketo architecture; Marketo architecture certification preferred; experience with AEM, Salesforce/Dynamics, HTML/CSS, APIs, data governance, analytics; strong communication.
Marketo, Adobe Experience Manager (AEM), Salesforce, Dynamics, HTML, CSS, API
6d
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Lead AI Engineer
Holmdel or Bethlehem or New York City
$119k-$195k/yr HybridFull Time
Advanced knowledge of machine learning engineering, distributed systems, cloud infrastructure, AI platforms, LLMs, RAG pipelines, orchestration, agentic frameworks, secure APIs, and enterprise governance.
Large Language Models (LLMs), retrieval-augmented generation (RAG), model orchestration frameworks, Agentic frameworks, API, cloud infrastructure, AI platforms
1d
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in computer science, engineering, or related field; 5 years building software; 2 years AWS architecture; JavaScript, TypeScript, SQL, APIs, event-driven systems, and technical leadership.
Electronic Data Interchange (EDI), API, AWS, JavaScript, React, Node.js, Express, React Native, TypeScript, AWS Cloud Development Kit (CDK), Terraform, AWS Lambda, Amazon ECS, AWS Fargate, Amazon Aurora PostgreSQL, SQL, JSONB
4w
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Lead Software Engineer (1308)
Wayne, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend/full-stack engineering experience with APIs, integrations, Snowflake, SQL, and modern DevOps; strong communication and ownership; experience mentoring offshore developers.
Snowflake, SQL, C#/.NET, Java, Node.js, Git, CI/CD, dbt, iPaaS
2mo
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Senior Java Developer - Vice President
New Castle or Irving
$126k-$189k/yr HybridFull Time
6+ YOEProficiency in Java, RESTful APIs (Spring), Oracle/SQL/MongoDB, OpenShift/Kubernetes, MQ/Kafka, cloud engineering, DevOps/CI/CD, SDLC/Agile; strong systems analysis; 6+ years preferred; Bachelor’s required, Master’s preferred.
Java, API, Spring, Oracle, SQL, NoSql, MongoDB, OpenShift, Kubernetes, MQ, Kafka, SDLC, Agile, DevOps, CI/CD, GenAI, LLMs
2w
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Software Engineer II
Wilmington, Delaware, United States
OnsiteContract
5+ YOE5+ years software development with Angular and .NET, C#, Azure, DevOps and CI/CD experience; strong SOLID and testing practices; ability to lead modernization and mentor junior developers.
Angular, .NET Framework, .NET Core, C#, Web APIs, Entity Framework Core, Microsoft SQL Server, Azure, DevOps, CI/CD, GitLab, ASP.NET Web Forms, PrimeNG, Kendo UI
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