35,697 Api Gateway Developer jobs in the United States

Client Company: Vanguard Group Malvern, PA is the primary location, but the manager is open to the contractor sitting in any of Vanguard's facilities (Charlotte, Plano, Scottsdale). Must have: Strong experience with CA-API Gateway. The contractor will be a shared resource between this manager's two teams. They are responsible for File Storage and other related tasks.

• Proficient in developing and designing APIs in CA API Gateway
• Experience in defining overall API architecture, API implementations, integration and deployment of API management platforms
• Manage platform and support existing CA API Gateway (Formerly known as Layer 7) Policy Manager and API security implementation.
• Collaborate with business and technical team to define API development and integration design requirements.
• Experience with CICD Tools (Jenkins, GitHub)
• Required Strong awareness of latest web standards (OAuth, SAML, OpenID Connect, JWT Tokens, OAuth Tokens & others)
• Required understanding of grant types, with varying level of security consideration (Authorization Code Grant, Implicit Grant, Client Credential Grant, Refresh Token)
• Required Good understanding of infrastructure and network design
• Creating Python scripts to manage process efficiencies
• Preferred experience in system administration, design, and the operation of container platforms (Kubernetes), as well as in container technologies (Docker) and their management systems
• Certification in container orchestration systems (i.e., Certified Kubernetes Application Developer, CKAD) would be consider as a plus

• Protect your infrastructure within you own VPC
• Deploy your stack to your EC2 instance
• Setup your RDS environment
• Setup DNS using Route53
• Setup CloudFormation
• Write Lamda functions
• Setup AWS IAM
• Build AMI and deploy using our CI/CD pipeline
• Understand the client's AWS infrastructure
• Sustain and develop containerized solutions in a cross-functional environment

• Service to Service call authorization using the gateway
• End to end process to govern API Access
• Provide user authorization capabilities using the gateway
• Provide strategies on how to move from our current architecture to the new state
• Responsible for designing, building/configuring, testing and maintaining containerized gateway applications/clusters

Role : API Gateway Developer
Client : DC Government
Location : Washington, DC
Job Description:

• Bachelor's degree in information technology or related field or equivalent experience.
• Experience developing and delivering high end security solutions using Azure API Management.
• Hands on development experience on API Management platform(s) such as Azure APIM or Layer 7
• Good understanding and exposure to overall API-Management concepts & fundamentals.
• Experience in defining overall API architecture, API implementations, integration and deployment of API management platforms. Candidates will need to be able to perform hands-on technical development to implement policies.
• Hands on experience with the REST and SOAP policies
• Working experience using web services and APIs built on SOAP or REST and using XML & JSON.
• Hands on experience Transformations from XLST, SOAP to REST, REST to SOAP
• Strong knowledge of securing data channels using various mechanisms (basic authentication, OAuth 2.0, etc.)
• Content Based Routing, publishing internal services to internet, HTTP header parsing and header customization, Cookie based session maintenance, Manipulation of Integration with memory cache
• Mod Security - Optimal SQL execution on industry standard databases, Regex and condition-based processing, Publish Java and .NET based applications to internet.
• Knowledge of API analytics (Splunk / Azure Dashboards / Event Hub) and monitoring using Azure Monitor
• Understanding of DevOps practices for API Management
• Experience with API build validation Postman and Basic troubleshooting and critical thinking Ability to research technical documentation and apply it to assigned deliverables
• Experience with Azure Functions and Logic Apps for serverless integration
• Development experience in languages such as Java, Python, JavaScript, C#
• Solid understanding of Azure services and cloud computing concepts
• Formulates and defines systems scope and objectives based on both user needs and a thorough understanding of business systems and industry requirements.
• You will work closely with cross-functional teams to understand business requirements and design secure, scalable, and high-performing APIs
• This team plays a vital role in enabling seamless data integration and external communication for our applications and services
• Collaborate with business stakeholders and technical teams to define API requirements
• Monitor API performance and troubleshoot issues to maintain high availability
• Stay up-to-date with the latest API Management trends, tools, and technologies

Description: Proficiency in Java, Kotlin, and JVM-based development is essential, along with strong object-oriented programming (OOP) skills and exception handling. Experience with the Spring Boot framework, web technologies, and Quarkus is required. Understanding of 12-factor app principles is crucial. Proficiency in using Git, GitHub, and GitHub Actions for version control and CI/CD is necessary. Knowledge of PostgreSQL databases and experience with Apache Kafka are important. Developing and maintaining REST APIs is a key responsibility. If needed, proficiency in Salesforce Development (SFDC) and Salesforce Marketing Cloud (SFMC) is also required. This role involves leveraging these skills to build, optimize, and maintain robust and scalable backend systems.

SKILLS:
Proficiency in front-end technologies (e.g., HTML, CSS, JavaScript)
Proficiency in Java, Kotlin, JVM, OOP, Exception handling
Apache Kafka / Spring Boot framework, Quarkus, and Web technologies
If needed, proficiency in Shopify/SFCC/Stibo/SFSC/SFDC/SFMC
Software Development experience and knowledge of the Software Delivery Lifecycle, Security Compliance, and Agile and SCRUM methodology, industry and competitor practices
Experience with DevOps technologies including GitHub, GitHub Actions, Chef, Jenkins, Puppet, or ArgoCD
Comprehensive knowledge of various software languages and platforms such as Java Spring Boot, MongoDB / PostgreSQL, and public cloud (Azure / OCI)
Experience with Docker and Kubernetes (AKS/GKE)
Experience with alerting mechanisms using Nagios, New Relic, GCP, or Splunk
Experience in API management and Microservices development
Experience with RabbitMQ
Knowledge of 12-factor App principles

Job Description: Proficiency in Java, Kotlin, and JVM-based development is essential, along with strong object-oriented programming (OOP) skills and exception handling. Experience with the Spring Boot framework, web technologies, and Quarkus is required. Understanding of 12-factor app principles is crucial. Proficiency in using Git, GitHub, and GitHub Actions for version control and CI/CD is necessary. Knowledge of PostgreSQL databases and experience with Apache Kafka are important. Developing and maintaining REST APIs is a key responsibility. If needed, proficiency in Salesforce Development (SFDC) and Salesforce Marketing Cloud (SFMC) is also required. This role involves leveraging these skills to build, optimize, and maintain robust and scalable backend systems.

SKILLS:
Proficiency in front-end technologies (e.g., HTML, CSS, JavaScript)
Proficiency in Java, Kotlin, JVM, OOP, Exception handling
Apache Kafka / Spring Boot framework, Quarkus, and Web technologies
If needed, proficiency in Shopify/SFCC/Stibo/SFSC/SFDC/SFMC
Software Development experience and knowledge of the Software Delivery Lifecycle, Security Compliance, and Agile and SCRUM methodology, industry and competitor practices
Experience with DevOps technologies including GitHub, GitHub Actions, Chef, Jenkins, Puppet, or ArgoCD
Comprehensive knowledge of various software languages and platforms such as Java Spring Boot, MongoDB / PostgreSQL, and public cloud (Azure / OCI)
Experience with Docker and Kubernetes (AKS/GKE)
Experience with alerting mechanisms using Nagios, New Relic, GCP, or Splunk
Experience in API management and Microservices development
Experience with RabbitMQ
Knowledge of 12-factor App principles
Additional Regions:

• As a Quality Engineer, you will work closely with product developers, product managers and other engineers (frontend, backend, machine learning) to revolutionize the marketing space for and beyond.
• Job Responsibilities:
• Develop test automations, regression test suites, integration test suites for highly scalable, concurrent software applications that generate emails and push notifications.
• Learn new external and internal technologies as the need/opportunity arises
• Build, test, and deploy your code in a continuous manner
• Execute as part of a cross-functional Agile team that rapidly delivers iterative value to customers
• Contribute to technical conversations and debates, and decide upon approaches and tools to utilize
• Lead by example and share knowledge with the team

• BS/BA in Computer Science or related field plus 7 years work experience or MS with 5 years of relevant experience
• Java, Spring, build tools like maven, Deep understanding of distributed software applications systems, Kafka, NoSQL
• Unit test with mock
• Experience with Node.js, JavaScript, ReactJS (similar tech stack) is plus (optional)
• Experience in developing, testing automation in large scale Web applications (Backend), integrating with backend Services into a large consumer product company (preferably ecommerce)
• Knowledge of core Computer Science concepts such as common data structures and algorithms
• Code samples from private GitHub repos, side projects, and open-source project contributions is a plus

Description

American Express - Global Commercial Services - Shared Services Engineering

Team: Commercial Data Exchange

Role: Backend Software Engineer

Group:

In Global Commercial Services Technology (GCST), we develop software products and platforms across Small Business, Mid and Large Market and Global Commercial Clients. Our goals center around furthering the company's priorities of building on our strong position in commercial payments, whilst making American Express an essential part of our B2B customers’ digital lives. We continuously strive to optimize the level of innovation, quality, and speed with which we deliver across many products and channels including Sales, Client and Individual Customer Acquisition, Digital Servicing, Commercial Lending, B2B Payment Products, Remittance Processing and Commercial Data. Together with multiple Product and Engineering teams outside of GCST, we work collectively to deliver enterprise capabilities to our B2B customers.

As a part of our tech team, we could work together to bring ground-breaking and diverse ideas to life that power the digital systems, services, products and platforms that millions of customers around the world depend on. If you love to work with APIs, contribute to open source, or use the latest technologies, we’ll support you with an open environment and learning culture to grow your career.

Team/ Project:

The CDX team is ramping up to support a variety of new workloads such as a focus on re-writing current applications to Kotlin to better integrate across other Amex systems, as well as new feature builds including a commercial data exchange focused project supporting Real Time Authorizations (RTA) aimed at helping businesses make better business decisions with their data - particularly enabling 3rd party data integrations from card authorization data to external customers.

Day to day work will build off their microservice based foundational platform, building integrations with Kafka, building APIs to facilitate backend services, and expose APIs for the collection of certain data constructs such as authorizations.

What you'll be doing:

• Play a critical role in the development, design, and maintenance of American Express Commercial APIs

• Architect large-scale distributed systems that ensuring continued success

• Work across the engineering team to build new product features and services

• Lead, mentor and learn with other developers in all aspects of planning, development and testing

• Be a catalyst for driving best-in-class technology practices and patterns while staying engaged with the latest technology trends

What we're looking for in you:

• Proactivity: Resourceful, has grit, and a positive “can do” attitude; acts without being told what to do

• Flexibility/adaptability: Is cool with rapidly changing priorities and projects

• Follow-through: Follows-through on items without being managed

• Calm under pressure: Ability to navigate and lead the team through high-priority last minute requests and other high stress situations; Works well under high-pressure timelines

• Analytical skills: Likes learning and learns quickly

• Communication: Ability to speak clearly and with intent

Qualifications

• Strong experience working with Kotlin as well as any of the following object-oriented backend languages: C#, Scala, Java

• Knowledge of frameworks and tools in the respective language enabling effective and efficient development

• Recent experience working with Kotlin at the enterprise level – particularly in Kotlin re-writes is a plus.

• Understanding and interest in architectural patterns for highly available, scalable, low-latency, asynchronous systems (for example, well-designed REST APIs, Microservices, high volume data pipelines, efficient algorithms)

• Exposure to the benefits and challenges micro-services can bring

• Experience working with Kafka or other streaming platforms

• Experience with any cloud-based provider like AWS, Azure, or Google Cloud

• Strong experience with relational (PSQL) and non relational (redis, couchbase) databases

• Familiarity with CI/CD pipelines

• Experience working in agile environments with code reviews and automated testing

Skills

Microservices, kotlin, C#, rest api, CI/CD, Cloud, database, Kafka, sql, redis, couchbase, postgresql, GraphQL

Top Skills Details

Microservices,kotlin,C#,rest api,CI/CD,Cloud,database,Kafka

Additional Skills & Qualifications

Non-Technical:

• Must be a self starter, growth oriented engineer who takes initiative in their work - "go-getter" mind set

• Must be confident in their skills - can take requirements and run with them. This includes analyzing, pushing back on stakeholders, poking holes when needed.

Biggest challenge - finding people who are good at asking questions, good at finding the holes in requirements, can be receptive to feedback in the coding interview and adapt, and can articulate the decisions they are making when problem solving and why

Bonus Experience:

• Experience with Docker, Terraform, and Kubernetes

• Experience with financial data, third-party integrations, and high throughput systems

• Full-stack experience with React or Angular is a plus (current tech stack is heavier angular but going through re-write to React)

Experience Level

Intermediate Level

Pay and Benefits

The pay range for this position is $55.00 - $62.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in New York,NY.

Application Deadline

This position is anticipated to close on Oct 22, 2025.

h4>About TEKsystems:

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

Responsibilities: Bachelor's degree in computer science or related field. 3-5 years of backend development experience. Proficiency in at least one backend language (Python). Advanced proficiency in backend development with Python frameworks, including Django or Flask. Experience designing and implementing restful services, focusing.

About Us: Synergistic IT is a full-service staffing and placement firm servicing clients in America for the past 12+ years. We are dedicated towards fulfilling the IT needs of our clients. From staffing to full implementation of projects we provide the highest quality IT services. We don't just help you secure a tech job, but we build your solid career in technology.