Senior Java Backend Engineer – Integrations - Remote Work

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

Senior Java Backend Engineer – Integrations at BairesDev

In this role, you'll write backend Java services that power integrations with external systems, applying strong API design and event-driven synchronization patterns. Handling OAuth and multi-tenant permissioning, you'll build the authentication and authorization logic that keeps connectors secure across many tenants. This is your opportunity to apply deep Java backend expertise to integration-heavy systems, solving the reliability and versioning challenges unique to connecting a platform with many external services.

What You'll Do:

- Develop Java backend services powering API and system integrations, including REST, webhooks, and event-driven sync.
- Implement OAuth and multi-tenant permissioning and authentication logic.
- Build ETL pipelines including connectors, parsers, and schema normalization.
- Develop integrations with platforms such as M365, Outlook, Teams, Slack, or iManage.
- Ensure connector reliability through contract testing, versioning, and regression coverage.

What we are looking for:

- 5+ years of experience in backend software engineering.
- Strong proficiency in Java.
- Deep experience with API and systems integration, including REST, webhooks, and event-driven sync.
- Experience with OAuth and multi-tenant permissioning/auth flows.
- Background with ETL and data pipelines, including connectors, parsers, and schema normalization.
- Experience integrating with platforms such as M365, Outlook, Teams, Slack, or iManage.
- Experience with QA, contract testing, and connector reliability including versioning and regression across integrations.
- Advanced proficiency in English.

Nice to have:

- Experience with AWS, including Lambda, SQS/SNS, and S3 for integration workloads.
- Familiarity with MCP or agentic tool integration.
- Experience with Bedrock.
- Background using Java for core platform interfacing or SDK connectors.
- Legal tech or eDiscovery domain exposure.

How we do make your work (and your life) easier:

- 100% remote work (from anywhere).
- Excellent compensation in USD or your local currency if preferred
- Hardware and software setup for you to work from home.
- Flexible hours: create your own schedule.
- Paid parental leaves, vacations, and national holidays.
- Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
- Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!

Apply now!