AWS Application Developer lead Engineer

Job description

Cloud and Platform Development Engineer with 10+ years of experience designing, modernizing, and operating enterprise Applications on cloud platforms (Full stack ) across AWS and Azure, solutions architecture, or similar role. Strong expertise in cloud architecture, platform engineering, infrastructure automation, observability, security, reliability engineering, and large-scale modernization initiatives

Required Qualifications

In-depth knowledge of core AWS/Azure services, including but not limited to: Backend & Distributed Systems : Strong Java/Spring Boot, microservices, REST/event-driven APIs and distributed-system design, including concurrency, caching, resiliency, idempotency and failure/recovery patterns.

Data Architecture

Experience with MongoDB Atlas and relational/data-lake platforms, including data modelling, indexing, consistency, performance and high-volume operational workloads.

Full-Stack Architecture

Ability to own end-to-end application architecture across backend and modern Angular/React frontends, including API/BFF patterns, authentication, performance and scalability. AWS/Azure Architecture, Cloud Modernization, Platform Engineering, ARM, Bicep, CloudFormation, ArgoCD, Azure DevOps, Azure Networking Compute: EC2, Lambda, Elastic Beanstalk Storage: S3, EBS, EFS, Glacier Networking: VPC, Route 53, ELB, Direct Connect Databases: RDS, DynamoDB, Redshift Security & Identity: IAM, KMS, GuardDuty, Security Hub Proven experience with Infrastructure as Code (IaC) using AWS CloudFormation or Terraform.

Strong understanding of networking concepts (TCP/IP, DNS, VPN) and cloud security best practices.

Preferred Qualifications

AWS Certified Solutions Architect – Associate or Professional certification. Experience with containerization and orchestration technologies (Docker, Kubernetes, Amazon EKS). Knowledge of CI/CD principles and experience with tools like Jenkins, GitLab CI, or AWS CodePipeline. Proficiency in scripting languages such as Python, Bash, or PowerShell. Experience with configuration management tools like Ansible, Chef, or Puppet.

Familiarity with other cloud platforms (e.g., Microsoft Azure, Google Cloud Platform). Experience working in an Agile/Scrum development environment.

Education

Bachelor’s degree/University degree or equivalent experience Master’s degree preferred This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. Cloud and Platform Engineer with 10+ years of experience designing, modernizing, and operating enterprise cloud platforms across AWS and Azure. Strong expertise in cloud architecture, platform engineering, infrastructure automation, observability, security, reliability engineering, and large-scale modernization initiatives ------------------------------------------------------ Job

Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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