Full Stack Engineer

Fixity Technologies; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Fixity Technologies is seeking a senior software engineer to design and deliver Java-based microservices in a dynamic, agile environment. You will work within GitLab/GitHub DevOps pipelines, leveraging AWS ECS and related services to deploy secure, scalable applications. Emphasis on AI DLC integration and rigorous SDLC practices.

The role requires deep Java experience, strong design skills (UML), and hands-on cloud know-how, with collaboration across multiple teams and rapid iteration.

Qualifications

• 10+ years of hands-on development in Java/JEE and RESTful services.
• Experience in GitLab/GitHub based DevOps environments and SDLC best practices.
• Strong AWS cloud experience including ECS, S3, RDS and security tooling.

Responsibilities

• Develop, test, and maintain Java-based microservices in fast-moving projects.
• Collaborate with cross-functional teams and Product Owner to deliver features.
• Lead code reviews and ensure adherence to security and architectural standards.

Skills

Java/JEE

RESTful services

UML

SCRUM/Agile

Code reviews

Problem solving

AI DLC

GitOps

DevOps practices

Tools

AWS

GitLab

GitHub

Terraform

ECS

Job description

• Experience working in a Gitlab/GitHub based dev-ops environments and adhering best SDLC practices


• At least two years of experience using AI Code Assist tools with Claude LLMs and adopting AI DLC (AI Development Life Cycle)


• Experience working in a Gitlab dev-ops environments to build pipeline, security analysis and deployment to AWS ECS environments


• At least 10+ years of strong hand on development experience to develop in Java/JEE, Web Service and RESTful service rapidly in fast moving projects leverage AI DLC


• Strong Object-Oriented analysis and design skills including requirements analysis, Object Oriented design patterns, and UML


• Demonstrated knowledge with hands on experience using AWS cloud technologies including but not limited to ECS, ECR, S3, ALB, RDS, DMS, KMS, Secrets Manager, SSM, Config, CloudWatch, Lambda, SNS, SQS, IAM, Route 53


• Nice to have terraform scripting experience to provision cloud resource for lower environment independently


• Experience incorporating non-functional design aspects into the code components


• Experience with quality assurance process for testing applications including functional, non-functional and parallel testing


• Solid working experience in agile project delivery, following SCRUM practices, cross-functional contribution and excellent team collaboration capabilities


• Ability to work on multiple tasks, perform in depth code reviews and ensure design and coding are adhering to security and architectural standards.


• Ability to collaborate with multiple business and technical teams


• Moderate knowledge of Word, Excel and productivity improvement tools


• Strong problem solving and analytical skills demonstrated by the ability to assimilate new information, understand complex topics and arrive at sound analysis and judgment


• Contribute as a squad member to design and implement products throughout the PDLC including coding, testing, and documentation independently


• Working with Product Owner and Scrum Master in an Agile environment to improve velocity on a product delivery


• Work as cross-functional team player to augment the squad needs as needed


• Contribute to the community of practice and proactively share knowledge with squad members