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Hatch Pros

Java Engineer

On site

Sunrise, United states

$ 60 /hour

Junior

Freelance

03-02-2026

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Skills

Java NoSQL Cassandra Docker Kubernetes Programming Databases git benchmarking Azure AWS Junit Spring GCP Redis Maven Gradle Kafka Microservices gRPC

Job Specifications

T+S

Own Corp/1099/w2

onsite day 1, need local

Job Description

Experience level: 3-5 years
Hands on Java Programming experience with core Java constructs - Collections , Exceptions , Streams , Lambdas
Hands on experience with Async programming constructs of Java - Multithreading , Executors , Futures , CompletableFutures
Experience working with any of the Java frameworks on Reactive Stack - Spring Reactive , RxJava , Netty , Vert.X , Akka
Hands on experience working with microservices / API's - Rest (for sure) , SOAP , gRPC
Hands on experience with build tools -- Gradle (preferred) , Maven (minimum)
Hands on experience using Unit Testing Tools - Junit (minimum) , Cucumber or other equivalents
Hands on experience in high scale system design, performance tuning, problem diagnosis and resolution- Hands on experience working with git or equivalent source code management systems - resolve merge conflicts etc.
Good to have knowledge on Virtual Threads and new features of Java 21+.
Good to have knowledge on Web Assembly working with TinyGo, WASI interface, WASMTime or equivalent runtime
Good to have knowledge on Java Perf tooling - Analyzing heap dumps , Thread dumps , JConsole , JMC
Good to have knowledge on micro benchmarking - JMH harnesses
Good to have knowledge on messaging systems using Java client - Kafka , RabbitMQ etc.
Familiarity with Containers and Container Orchestration tools such as Docker , Docker Swarm , Kubernetes required.
Experience with relational or NoSQL databases, including designing complex schemas and queries required.
Experience using database systems like Couchbase, Cassandra, Redis etc. in a high performance and resilient configurations is a plus.
Experience working with Public Clouds (AWS, GCP, Azure) is a plus.

About the Company

HatchPros is a distinguished E-Verified staffing and recruiting firm, renowned for its expertise in managed services, IT professional resourcing, and a broadened focus on key Non-IT sectors including Finance, Automobile, Engineering, Healthcare, Logistics and Transportation. With a seasoned team at the helm, we empower businesses across a diverse array of industries, guiding them through every phase of the technology adoption lifecycle and addressing critical needs beyond the IT domain. Our mission is to offer meticulously t... Know more