I found it in http://www.baeldung.com/hikaricp and it works.
Your pom.xml
<dependency>
<groupId>com.zaxxer</groupId>
<artifactId>HikariCP</artifactId>
<version>2.6.3</version>
</dependency>
Your data.xml
<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
<property name="driverClassName" value="${jdbc.driverClassName}"/>
<property name="jdbcUrl" value="${jdbc.databaseurl}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
<constructor-arg ref="hikariConfig" />
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"
p:dataSource-ref="dataSource"
/>
Your jdbc.properties
jdbc.driverClassName=org.postgresql.Driver
jdbc.dialect=org.hibernate.dialect.PostgreSQL94Dialect
jdbc.databaseurl=jdbc:postgresql://localhost:5432/dev_db
jdbc.username=dev
jdbc.password=dev