Title: Sr. API Developer (ACH and Real Time Payments)
Type: Long term contract
Rate: Target $65 p/h
Location: Fully Remote (U.S) EST Hours

MUST HAVE SKILLS

• Payments Domain (banking background within Payments (ACH and RTP 'Real Time Payments")
• AWS Cloud Migration Experience (Migrating existing services to AWS)
• Sr. API Development (Build and maintain REST API's, Java, Spring Boot)
AWS Services knowledge such as Lambda, ECS, DynamoDB, RDS, S3

Overview
We are seeking a Lead consultant – API Development & Cloud Migration to contribute towards the design, development, modernization, migration, and support of enterprise APIs across Payments, Money Movement, and Information Reporting platforms. This role will play a critical part in transforming legacy services into cloud-native, scalable API-driven solutions while enabling seamless integration across internal and external systems.

The ideal candidate will possess deep expertise in API development, microservices development, and cloud migration strategies, with strong hands-on experience in AWS technologies. The candidate will be responsible for designing and delivering secure, high-performance APIs, migrating existing services and integrations to AWS, and translating business requirements into resilient and scalable cloud-native solutions. This role requires active involvement throughout the API lifecycle, including architecture, development, testing, deployment, governance, monitoring, troubleshooting, and production support while collaborating closely with architects, engineers, product owners, and business stakeholders.


Responsibilities

• Design, develop, enhance, and support secure, scalable, and high-performing APIs and microservices for Payments, Money Movement, and Information Reporting platforms.
• Participate in the modernization and migration of APIs and integration services from on-premises environments to AWS cloud-native architectures.
• Develop cloud-native solutions leveraging AWS services including API Gateway, Lambda, ECS, Step Functions, SQS, SNS, DynamoDB, RDS, S3, IAM, KMS, and AWS Transfer Family.
• Build and maintain RESTful APIs and microservices using Java, Spring Boot, and AWS-native technologies while following enterprise architecture and security standards.
• Support and enhance existing API platforms by troubleshooting issues, implementing new functionality, improving resiliency, and optimizing performance.
• Develop and maintain event-driven solutions using Apache Kafka, Amazon SNS, and Amazon SQS to support real-time payment and money movement processing.
• Build, deploy, and support containerized applications using OpenShift, Docker, and AWS ECS platforms.
• Collaborate with architects, product owners, business partners, and engineering teams to translate business requirements into scalable technical solutions.
• Implement secure coding practices and API security controls including authentication, authorization, encryption, and secrets management.
• Optimize API performance, scalability, and reliability through performance tuning, monitoring, and proactive problem resolution.
• Participate in API migration activities, including legacy application assessment, refactoring, testing, deployment, and production cutover support.
• Create and maintain Infrastructure as Code using Terraform to automate provisioning and deployment of cloud resources.
• Implement and support CI/CD pipelines to enable automated build, testing, deployment, and release processes.
• Utilize observability and monitoring tools such as Dynatrace, Amazon CloudWatch, AWS X-Ray, Grafana, and Splunk to monitor application health and troubleshoot production issues.
• Participate in on-call support, incident resolution, root cause analysis, and continuous improvement initiatives to ensure platform stability and operational excellence.
• Contribute to code reviews, technical design discussions, and engineering best practices to improve software quality and maintainability.

If this is a role that interests you and you’d like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent.