WordPress Developer for ATS Integration

We are a recruitment agency based in Australia looking for an experienced WordPress developer to build a two-way integration between our JobAdder ATS and our custom WordPress job board (built on WorkScout theme and WP Job Manager). What we need: 1 Jobs posted in JobAdder to sync automatically to our WordPress job board 2 Applications submitted on our WordPress site to push back into JobAdder The integration uses the JobAdder API (documentation: https://developers.jobadder.com/docs/), which uses OAuth2 authentication. Tech stack: WordPress, WorkScout theme, WP Job Manager plugin What we are looking for: - Experience with REST API integrations and OAuth2 authentication - WordPress/PHP development experience - Experience with ATS or recruitment platform integrations is a bonus - Australian timezone not essential Please include in your proposal: - Examples of similar API integrations you have built - Your estimated timeframe - Your fixed price or hourly rate estimate