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Junior Java Microservices Developer Jobs in Allentown, PA

Java Spark Engineer

Warren, NJ

$53.75 - $73.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Developer, Team Lead We are seeking a hands-on Team Lead to guide the architecture ... and junior developers). * Relaxed yet enthusiastic and motivated attitude towards the craft ...

Senior Developer

Allentown, PA

$53.75 - $71/hr

Tey are expected to be proficient in a variety of technologies and languages (C#, Java, C++, etc., Microservices, Cloud Architecture and API's) to develop applications. The developer approaches ...

Senior Developer

Allentown, PA · On-site

$53.75 - $71/hr

Tey are expected to be proficient in a variety of technologies and languages (C#, Java, C++, etc., Microservices, Cloud Architecture and API's) to develop applications. The developer approaches ...

Developer Team Lead

Allentown, PA · On-site

$58.25 - $76.25/hr

They are expected to be proficient in a variety of technologies and languages (MEAN, MERN, C#, Java, C++, etc., Microservices, Cloud Architecture and API's) to develop applications. The developer ...

Developer Team Lead

Allentown, PA · On-site

$58.25 - $76.25/hr

They are expected to be proficient in a variety of technologies and languages (MEAN, MERN, C#, Java, C++, etc., Microservices, Cloud Architecture and API's) to develop applications. The developer ...

... junior developers). * Relaxed yet enthusiastic and motivated attitude towards the craft, company, and products.   Preferred skills, nice to have: * Java web application development experience (i.e.

Warren, NJ Exp - 7yrs Duration: 1 Year Requirement: - Junior engineer less than 5 years, Modem ... Java extensions, etc) based on detailed design. Performs unit testing of components along with ...

Cloud Architect Lead II

Allentown, PA · On-site

$64.25 - $81.75/hr

Provide guidance, coaching, and support in the development of junior staff members. * Performs ... Knowledge of programming languages like Python, .NET, or Java. * Cloud Technology Expertise ...

Junior Java Microservices Developer information

See Allentown, PA salary details

$60.2K

$105.4K

$158.9K

How much do junior java microservices developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for junior java microservices developer in Allentown, PA is $105,418.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $105,100.00 per year, depending on experience, location, and employer.
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$53.75 - $73.75/hr

Full-time

Posted 5 days ago


Job description

Primary Responsibilities

Architect and build scalable, fault-tolerant data pipelines using Apache Spark (Java)

Lead design of batch and streaming ETL/ELT systems handling large data volumes

Deep-dive performance tuning: partitioning strategy, memory management, shuffle/skew optimization, job cost reduction

Set coding standards and lead code/design reviews across the team

Drive technical decisions on data architecture, storage formats, and pipeline orchestration

Mentor mid-level and junior engineers; act as a technical escalation point

Partner with product, analytics, and platform teams to translate requirements into scalable systems

Own production reliability — on-call ownership, incident response, root-cause analysis for pipeline failures

Evaluate and introduce new tools/frameworks where they improve the system

Contribute to capacity planning and cost optimization for cluster infrastructure

Required Qualifications

Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

7+ years of professional Java development experience

5+ years hands-on experience with Apache Spark in production environments

Expert-level understanding of distributed systems: fault tolerance, data locality, shuffle mechanics, resource management

Proven track record designing systems processing terabyte+ scale data

Strong SQL skills and deep familiarity with columnar storage formats (Parquet, ORC, Avro, Delta Lake/Iceberg)

Experience with cluster managers (YARN, Kubernetes) and cloud-managed Spark

Proficiency with Kafka

Strong grasp of CI/CD, containerization, and infrastructure-as-code practices

Preferred Qualifications

Experience with Flink or other stream-processing frameworks

Familiarity with data governance, lineage, and quality frameworks

Experience with workflow orchestration at scale 

Background in system design for multi-tenant or multi-region data platforms

Prior experience leading a team or acting as a technical lead