Senior Full Stack Developer

Akaasa Technologies; Whippany (NJ); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Akaasa Technologies is seeking a Senior Custom Software Engineer to lead full-stack development for a mission-critical financial services initiative in New Jersey. You will architect and implement scalable Java/Spring backend with microservices, paired with React or Angular frontend, on AWS across serverless and containerized deployments.

You will establish secure coding standards, drive CI/CD automation, mentor engineers, and collaborate with architects and product owners to deliver robust,

Qualifications

• 10+ years of Java/Spring backend experience with microservices architecture.
• 5+ years of frontend development using React or Angular.
• 7+ years of AWS cloud service experience (EC2, Lambda, API Gateway, ECS/EKS, S3, RDS, IAM).
• 7+ years in API design (REST/GraphQL) and distributed systems.

Responsibilities

• Architect, develop, and deploy full-stack applications using Java/Spring backend and React or Angular frontend.
• Lead design sessions and align roadmaps with architects and product owners.
• Define secure coding guidelines and enforce best practices via code reviews.
• Guide cloud-native patterns across containerized and serverless environments and drive CI/CD automation.
• Mentor engineers and influence cross-team technical strategy.

Skills

Java

Spring Boot

Spring Cloud

Microservices

React

Angular

AWS Cloud

EC2

Lambda

API Gateway

ECS/EKS

S3

RDS

IAM

REST

GraphQL

Terraform

CloudFormation

CI/CD

GitHub Actions

Tools

Terraform

CloudFormation

Job description

Title: Custom Software Engineer (Senior Full Stack)

Location: Whippany, New Jersey (Hybrid - 3 days/week in-office)

POSITION OVERVIEW

We are seeking a Senior Custom Software Engineer to join a mission-critical financial services initiative for a leading US banking client. This role is responsible for driving full-stack application development, shaping modern microservices architecture, and implementing resilient AWS cloud solutions. The engineer will mentor technical staff, establish secure coding standards, and deliver high-performance systems in an agile ecosystem.

DAY-TO-DAY RESPONSIBILITIES

• Architect, develop, and deploy scalable full-stack applications using Java/Spring backend and React or Angular frontend.
• Lead design sessions, technical roadmap alignment, and product backlog refinement with Solution Architects and Product Owners.
• Define engineering standards, secure coding guidelines (OWASP), and enforce best practices via comprehensive code reviews.
• Guide cloud-native architectural patterns across containerized (EKS/ECS) and serverless (Lambda, API Gateway) environments.
• Drive CI/CD automation, DevOps maturity, and observability strategies across production workloads.
• Mentor junior and mid-level engineers while influencing cross-team technical strategies.

REQUIRED SKILLS

• Java, Spring Boot, Spring Cloud, & Microservices Architecture (10+ years)
• Frontend Development with React or Angular (5+ years)
• AWS Cloud Services - EC2, Lambda, API Gateway, ECS/EKS, S3, RDS, IAM (7+ years)
• System Design, Distributed Systems, & API Architecture (REST/GraphQL) (7+ years)
• Infrastructure as Code - Terraform or CloudFormation (3+ years)
• CI/CD Pipelines & DevOps Automation - GitHub Actions, Jenkins, or CodePipeline (7+ years)

ADDITIONAL DESIRED SKILLS

• Financial Services / US Banking Domain Experience
• High-scale Event Streaming (Apache Kafka, AWS Kinesis, SNS/SQS)
• Observability Stacks (Datadog, AWS CloudWatch, Prometheus/Grafana)
• Active AWS or Java Technical Certifications

CANDIDATE PROFILE

The ideal candidate is an expert full-stack engineer with deep mastery of Java microservices and AWS cloud infrastructure, possessing a strong background in US financial services/banking. They are a hands-on technical leader who thrives in hybrid environments, drives engineering excellence, and easily navigates complex distributed system designs.

Job Responsibilities

• Architect and build enterprise full-stack solutions using Java, Spring Boot, microservices, and React or Angular.
• Design and implement modern cloud applications across AWS services including serverless, containerized workloads, and relational/NoSQL databases.
• Establish automated CI/CD pipelines, Infrastructure as Code, and production observability to maintain platform reliability.
• Collaborate closely with solution architects and product leadership to define execution roadmaps and system designs.