Senior Software Engineer

Senior Software Engineer

All IT Solutions

United States · O Fallon, MO

Workplace Type — Hybrid

Employment Type — Contract

We are currently seeking a qualified Senior Software Engineer to support this engagement. Please review the complete requirements, work location, employment type, and screening questions before applying. Candidates whose experience closely matches the position will be contacted directly by the AIS recruiting team.

Job Summary

All IT Solutions is seeking a Senior Software Engineer to join a client engagement.

Responsibilities

• We are the Priceless Platform Engineering team, building and operating solutions for affluent client cardholders across World, World Elite, and World Legend products.
• Operating with a startup mindset, the team requires multidisciplinary engineering skills spanning front-end, backend, cloud, platform, and AI-native engineering.
• We run the global Priceless Platform on AWS across four regions.
• The team is primarily responsible for Cloud, Backend, and AI-native Engineering, requiring strong hands-on AWS expertise and backend engineering experience building microservices in Golang and deploying them on Amazon ECS using Fargate on ARM64 architecture
• The role also involves integrating mobile SDKs with backend APIs and troubleshooting complex end-to-end integration issues across mobile front ends, backend microservices, AWS ECS, and AgentCore Runtime environments.
• The role also involves building a cloud-native payment orchestration platform that enables cardholders to seamlessly access digital services directly through their banking applications via a single, streamlined integration
• Build scalable, domain driven microservices using Golang and Python FastAPI, integrating backend APIs with mobile SDKs to establish a reliable orchestration layer
• Deploy and operate cloud-native services on AWS ECS, Fargate, and ARM64 on AWS Graviton, with hands-on infrastructure provisioning and automation using CloudFormation and Terraform
• Build and integrate AI-native capabilities using Amazon Bedrock and AgentCore Runtime, with end-to-end troubleshooting across mobile, backend, cloud infrastructure, and AI runtime layers
• This role will focus on rapid POCs and prototyping, working closely with engineers from an acquired startup and provide broad access to AWS Cloud and AI environments for hands-on experimentation
• The engineer is expected to independently build, deploy, run, troubleshoot, and demonstrate end-to-end solutions to internal and external stakeholders

Required Qualifications

• AI-native engineering experience with Amazon Bedrock and AgentCore is an important part of the team’s evolving technology foundation.
• Bachelor's Degree or equivalent experience
• Frontend: Angular and/or React
• Backend: Java and/or Golang
• Cloud & Platform: AWS, Kubernetes, and cloud-native technologies

ABOUT ALL IT SOLUTIONS LLC

Headquartered in Mount Laurel, New Jersey, All IT Solutions LLC is a technology and workforce solutions company serving government and commercial organizations throughout the United States. AIS provides IT staffing and staff augmentation, cybersecurity, IT consulting, custom software development, cloud services, data engineering, artificial intelligence, application development, and related technology solutions.

AIS is an NMSDC/EMSDC-certified Minority Business Enterprise and an NYC Department of Small Business Services-certified M/WBE. We participate in E-Verify and are committed to maintaining professional, transparent, and compliant hiring practices.

EQUAL EMPLOYMENT OPPORTUNITY

All IT Solutions LLC is an equal opportunity employer.

Employment decisions are made based on qualifications, merit, performance, and legitimate business requirements without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, military or veteran status, or any other characteristic protected by applicable federal, state, or local law.

Reasonable accommodations are available to qualified applicants with disabilities during the application and interview process.

RECRUITMENT NOTICE

All IT Solutions LLC is a staffing and technology services company and may receive fees or compensation from client organizations for recruiting, staffing, placement, or workforce services. Candidates are never charged an application, recruitment, placement, or interview fee by All IT Solutions LLC.

Any commercial rates, fees, or staffing arrangements are between All IT Solutions LLC and its clients and do not require payment from the candidate.

Official recruiting communications will come from an authorized All IT Solutions representative or an @allitsolutions.us email address.

Apply

Apply Now: https://careers.allitsolutions.net/jobs/senior-software-engineer-2026-4a0bc92b/apply