Senior Java + AWS Developer

Work location: Permanent WFH

Working days: 5 days a week (Timings - 11 am to 2 pm and 7 pm to 12 am)

Experience: 7+ years with Java and related framework and 1+ years of experience with AWS.

Title: Senior Java + AWS Engineer

About Us: Since 2015, Masscom Corp has focused on providing high-quality services at a reasonable cost to start-ups and mid-scale businesses. While we have a few “enterprise scale” organizations to name in our client roster, our primary focus remains small to medium scale businesses especially start-ups. Given such a focus, we truly understand the day-to-day challenges in delivering technology solutions to this segment. Our extensive array of services helps our customers leverage next-generation technologies to build, transform and manage their IT operations as a natural extension to their in-house teams. We provide a unique mix of domain expertise of cutting-edge Digital Product Engineering, Infrastructure Engineering and Support Services to keep up with day-to-day operations.

Job descriptionThis is a senior-level role in which the selected candidate will be working on a set of containerized micro-services serving high transaction volume (over 50k req/second) and will utilize AWS cloud-native services such as Lambda, Kinesis, S3, Athena, RDS, DynamoDB to achieve high scale and resilienceYou will architect, write technical specs, code, troubleshoot, and support scalable services in a high volume and low latency environment. Our tech stack includes Java 11, Spring Boot, AWS RDS, AWS DynamoDB, AWS S3, Kinesis, Lambda, ElastiCache, EMR. Infrastructure components include Kubernetes, Prometheus/Grafana, TeamCity, SonarQube, JFrog Artifactory, TeamCity, Gradle.This position closely works with data engineers and provides exposure to various big data technologies, platforms.Lot of work will be focused on scaling and performance optimization. Use of advance software engineering concepts such as multithreading, event driven architecture, design patterns, observability, containerization (Kubernetes), serverless systems ResponsibilitiesAnalyze user and system requirementsDesign, develop and deploy backend services with a focus on high availability, low latency and scalabilityFamiliar with how to build production ready services including observability Build and operate infrastructure, toolset and deployment pipelinesEnd-to-end delivery including design, development and unit/functional testing of API(s) and servicesCollaborate closely with other engineers and become a valued member of an autonomous, cross- functional teamParticipate in preparing TDD/Design documents to illustrate software solutionsWriting efficient code based on feature specifications

Skill set1. Experience building Java based microservices architecture and any popular Java frameworks like Spring Boot2. Experience with containerization and container orchestration (Docker and Kubernetes preferred) in a cloud environment (AWS preferred)3. Familiarity with Object-Oriented Design (OOD)4. Good knowledge of SQL, No-SQL5. Experience with test-driven development6. Strong Analytical, troubleshooting, and problem-solving skills7. Experience building and supporting services that can scale for high-volume production traffic8. Strong grasp of concepts such as multithreading, event driven architecture, design patterns, observability, containerization (Kubernetes), serverless systems

Key Skills

• AWS
• Backend
• Java
• Spring Boot
• AWS Lambda