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Healthfirst Technologies
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Java Back End Developer

Java Back End Developer

Healthfirst Technologies

4 - 6 years

12 - 22 Lacs

Hyderabad

Posted:1 day ago| Platform:

Apply

Skills Required

Java Postgresql Spring Boot AWS Hibernate SQL Server

Work Mode

Hybrid

Job Type

Full Time

Job Description

Role:

Total experience:

Location:

Notice Period:

Product based:

Company Description:

Healthfirst Technologies

Role Description:

Java Developer

Responsibilities:

Design, implement, and optimize
RESTful APIs using Spring Boot and JPA.
Handle nested Criteria queries, subqueries, dynamic joins, and conditional projections in JPA/Hibernate.
Write efficient batch-processing scripts using PL/pgSQL with LIMIT, LOOP, WITH, and RETURNING.
Create safe and performant rollback/commit flows using programmatic or declarative transaction management.
Collaborate with QA, DevOps, and frontend teams for full-lifecycle support of API services.
Required Skills:
Strong proficiency in
Java 11
,
Spring Boot
,
Spring MVC
,
Spring Data JPA
Advanced usage of
Criteria API
, joins, predicates, projections, and dynamic query construction
Deep understanding of
EntityManager lifecycle
, persistence context, and nested query handling
Proficient in
PostgreSQL
: writing CTEs, batch updates, procedural loops, performance tuning
Strong SQL and PL/pgSQL skills with batch-safe designs
Good understanding of
REST APIs
, status codes, and HTTP method logging
Familiarity with
AWS
Lambdas, EC2, S3
Advanced usage of
Streams API
Nice to Have:
Experience with
FHIR
data models or healthcare data systems
Familiarity with
CloudWatch logs
,
AWS services
, or log sanitization
Exposure to tools like
Postman

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