Full Stack Engineer

Synergy Interactive; New York (NY); Hybrid; USD 160,000 - 200,000; Full time

Job summary

A tech consulting firm in New York is seeking a Full-Stack Developer to leverage Java and AWS for a financial services client. This mid-senior level role focuses on engineering infrastructure-as-code, optimizing CI/CD pipelines, and enhancing product features. Ideal candidates will have a strong background in Java, Spring, and AWS, and should thrive in a hybrid work model.

Qualifications

• Mastery of Java 8-21 with fluency in Lambdas, Streams API, and functional programming.
• Professional experience with the Spring ecosystem (Core, MVC, Security, Data).
• Experience deploying to and managing services within AWS.

Responsibilities

• Develop infrastructure-as-code solutions to manage AWS environments.
• Implement CI/CD pipelines for automated deployments.
• Extend product capabilities by engineering new features.

Skills

Java Expert

Spring Stack

Cloud Engineering

DevOps Tooling

Database

Tools

Docker

Terraform

Job description

We are seeking a Full-Stack Developer who is ready to leverage a world‑class Java and AWS cloud stack to support a mission‑critical, long‑term client in Financial Services. This is an advanced development role requiring a commitment to engineering excellence, scalable architecture, and continuous delivery. If you are passionate about functional Java, Infrastructure‑as‑Code, and modern CI/CD practices, this is your opportunity.

$160,000.00/yr - $200,000.00/yr

NYC, NY hybrid 4 days onsite

Core Responsibilities

• Develop infrastructure‑as‑code solutions to automate and manage robust AWS environments.
• Implement and optimize CI/CD pipelines (GitLab/Jenkins) to enable fast, reliable automated deployments.
• Extend product capabilities by engineering new features, conducting rigorous testing, and managing full‑cycle implementation.
• Perform deep‑level diagnostics, data investigations, and root cause analysis to optimize application performance.

Non‑Negotiable Technical Requirements

• Java Expert: Mastery of Java 8‑21, with deep fluency in Lambdas, Streams API, and functional programming concepts.
• Spring Stack: Professional experience with the Spring ecosystem (Core, MVC, Security, Data).
• Cloud Engineering: Proven experience deploying to and managing services within AWS (e.g., S3, ECS, RDS, ALB, CloudFront, IAM).
• DevOps Tooling: Hands‑on expertise with Docker and Terraform for infrastructure‑as‑code.
• Database: Experience with relational databases like Oracle or PostgreSQL.

What Sets You Apart (Nice to Have)

• Prior experience building modern front‑ends using React, Angular, or Vue.
• Familiarity with financial sector applications, specifically trading or decision support systems.

Seniority level

Mid‑Senior level

Employment type

Contract

Job function

Engineering, Information Technology, and Finance

Industries

Financial Services, Engineering Services, and IT Services and IT Consulting

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