Java Backend Developer with AWS

Artifintech; Chicago (IL); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Artifintech in Chicago is seeking a Java Backend Developer with AWS to design and build scalable microservices in a hybrid work environment. You will own server-side systems, implement RESTful APIs, and contribute to production reliability.

The role requires 7+ years of backend experience, Java 17+ and Spring Boot, Python, and strong AWS skills (ECS/Fargate, S3, CloudWatch). You will mentor peers and advance CI/CD pipelines.

Qualifications

• 7+ years of backend software engineering experience.
• Proficient in Java 17+ and Spring Boot; Python is a plus.
• Extensive AWS experience with ECS/Fargate, EventBridge, SQS, SNS, Lambda, S3, CloudWatch.
• Relational DBs with PostgreSQL / Amazon Aurora PostgreSQL; performance tuning.
• CI/CD and IaC experience with Jenkins, GitHub Actions, CodePipeline, CloudFormation.
• Testing with JUnit and Mockito; strong code quality mindset.

Responsibilities

• Design, build, deploy, and maintain microservices and RESTful APIs.
• Ensure resiliency and disaster recovery across AWS regions.
• Investigate production incidents; perform root-cause analysis and improve observability.
• Develop CI/CD pipelines and IaC using GitHub Actions, Jenkins, CodePipeline, CloudFormation.
• Model data and optimize queries in PostgreSQL/Aurora PostgreSQL.
• Provide mentorship and enforce automated testing standards.

Skills

Java 17+

Spring Boot

Python

Distributed Systems

Cloud Architecture

Observability & RCA

Education

Bachelor's degree in Computer Science or related field

Tools

GitHub Actions

Jenkins

AWS CodePipeline

CloudFormation

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Java Backend Developer with AWS

Location: Chicago, IL (hybrid)

Duration: 12 Months + Extension

Bill Rate: $76/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Key Responsibilities

• Cloud-Native & Integration Architecture: Design, build, deploy, and maintain scalable microservices, RESTful APIs, and event-driven architectures utilizing Java 17+, Spring Boot, Python, and AWS integration services.
• Resiliency & Disaster Recovery: Architect fault-tolerant, high-availability solutions across multiple AWS Availability Zones and Regions, conducting failover testing and actively reducing Mean Time to Resolution (MTTR).
• Production Operations & Root Cause Analysis: Investigate complex production incidents, perform root cause analysis (RCA), and implement robust observability frameworks using Amazon CloudWatch.
• DevOps & Pipeline Automation: Build, maintain, and optimize continuous integration and delivery (CI/CD) pipelines leveraging GitHub Actions, Jenkins, AWS CodePipeline, and CloudFormation infrastructure-as-code (IaC).
• Data Modeling & Optimization: Implement relational data models, craft complex queries, and tune database performance on Amazon Aurora PostgreSQL.
• Mentorship & Quality Standards: Drive peer code reviews, champion automated testing standards (JUnit, Mockito), and provide technical mentorship to junior developers.

Required Qualifications

• Experience: 7+ years of professional backend software engineering experience building and supporting distributed, high-availability production systems.
• Core Languages: Advanced, hands-on proficiency in Java (Java 17+), Spring Boot, and Python.
• AWS Cloud Engineering: Extensive hands-on experience across core AWS integration and compute services, including ECS/Fargate, EventBridge, SQS, SNS, Lambda, S3, and CloudWatch.
• Database & Performance: Strong relational database background with PostgreSQL / Amazon Aurora PostgreSQL, including schema design, query optimization, and tuning.
• CI/CD & IaC: Practical experience managing automated deployments using Jenkins, GitHub Actions, AWS CodePipeline, and CloudFormation.
• Testing: Demonstrated proficiency with automated unit and integration testing frameworks (JUnit, Mockito).
• Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline (or equivalent practical experience).

Preferred Qualifications

• AWS Certification: Active AWS Certified Solutions Architect, Developer Associate, or Cloud Practitioner certification (highly preferred).
• Domain & Integration Experience: Hands-on experience with Electronic Data Interchange (EDI), B2B messaging integrations, or high-volume transportation/railroad/logistics systems.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.