Lead Java fullstack Engineer with AWS (Backend)

Interon IT Solutions

Rockville, MD

Lead Java Full Stack Engineer with AWS (Backend Focus)

Location: Rockville, MD or McLean, VA - Hybrid

Pay Rate: ./hour on W2

Client: Consultnet/FINRA

Experience: 12+ years of software development experience

Interview Process : Technical assessment and onsite interview

Eligibility : Candidates must be local to DC, Virginia, or Maryland and available for the assessment and onsite interview.

Role Overview

Client is seeking a hands-on Lead Full Stack Engineer to guide the architecture, design, and development of a new application built from the ground up on a fully serverless AWS platform. The role combines technical leadership with active backend development, with a focus on enterprise integrations, high transaction volumes, and large-scale data processing. Front-end expertise is not a priority.

Key Responsibilities

Own technical direction, architecture, and design decisions for the application.
Lead backend development using Java and Spring Boot while actively contributing production code.
Design and implement serverless AWS solutions, including Lambda functions using Python and/or TypeScript.
Define REST API designs and integration patterns across enterprise applications and services.
Guide database design, SQL optimization, and approaches to large-scale data processing.
Design asynchronous messaging and event-driven workflows.
Address scalability, reliability, and performance requirements for high-throughput systems.
Provide technical guidance, review code and designs, and support the development team in resolving complex issues.
Collaborate with stakeholders to translate business requirements into practical technical solutions.

Required Qualifications

12+ years of software development experience, including technical leadership and architecture responsibilities.
Strong hands-on expertise in Java and Spring Boot.
Strong experience with AWS infrastructure and serverless application architecture.
Experience with AWS Lambda and working knowledge of Python and/or TypeScript.
Strong SQL, database design, and performance optimization skills.
Extensive experience developing REST APIs and integrating enterprise systems.
Experience designing messaging solutions and asynchronous, event-driven architectures.
Experience designing and developing scalable systems that handle high transaction volumes or large datasets.
Ability to lead technical decisions and guide engineers while remaining actively involved in development.

Strong Java developers who can quickly ramp up on Python and/or TypeScript will be considered. This position requires a hands-on technical lead.

Apply

Vacancy posted 3 days ago

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