Full Stack Java Developer

Attadale Partners, LLC

1d•Remote

About The Position

Attadale Partners, LLC is seeking to fill multiple Java Developer roles for experienced Senior Developers with 4-6 years of experience to join our team serving successful organizations and government agencies. As a management consulting firm, we are always looking for talented individuals to help improve our clients' business through technology. We have an opportunity to lead enterprise transformation roles including Agentic AI processes, cloud telephony, . In this role, you will be embedded in cross-functional teams with business leaders, senior engineers, and ML engineers to transform legacy business communications, data collection and analysis reporting. In addition, you will support the existing systems to ensure performance during the transition period. This role can be remote and all applicants must be US based, and is open to applicants already with the authority to work in the US. Unfortunately for these roles, we cannot sponsor new or transfer existing H-1B work visas. We are serve large commercial clients in the financial services and health care, assisting them to transform and modernize their business operations across three pillars: agentic AI workflows, Amazon Connect telephony automation, and expanded self-service for agents and customers. We practice Extreme Programming (XP) — pair programming, TDD, and continuous integration are how we work every day. This is a day-one contributor role; minimum ramp-up time is expected.

Requirements

3-5 years professional Java in production systems
2+ years Agile; XP experience strongly preferred
1+ year AWS cloud-native (Lambda, ECS)
TDD — evidenced examples will be differentiators
Event-driven microservices architecture
Java 17 / 21 LTS (records, sealed classes, pattern matching) - Expert
Spring Boot 3.x (auto-config, actuators, profiles, DI) - Expert
Spring Security, OAuth2 / OIDC - Advanced
REST API & OpenAPI 3.x design - Expert
Unit & Integration Testing — JUnit 5, Mockito - Expert
Test Driven Development (TDD) - Required
AWS — Lambda, DynamoDB - Advanced
Kafka / Amazon MSK (event-driven microservices) - Proficient
CI/CD — trunk-based dev, GitHub Actions or equivalent - Advanced
US based applicants only.
Authority to work in the US.

Nice To Haves

Amazon Connect / Contact Flows (Lambda handlers, Lex bots) - Preferred
Agentic AI tooling — LLM APIs, tool-use loops, LangChain4j - Preferred / Will train
Amazon Connect integration built end-to-end
Agentic AI or LLM workflow implementation
Insurance, Financial Services, or regulated industry background
Open-source contributions (Java ecosystem)
Systems scaled to 100k+ concurrent sessions
AWS Certified Developer — Associate (DVA-C02) - Preferred
Spring Professional Certification (VMware / Broadcom) - Preferred
AWS Certified Solutions Architect — Associate (SAA-C03) - Advantageous
AWS Certified Machine Learning — Specialty (MLS-C01) - Advantageous

Responsibilities

Embedded in cross-functional teams with business leaders, senior engineers, and ML engineers to transform legacy business communications, data collection and analysis reporting.
Support existing systems to ensure performance during the transition period.
Pair programming daily — driver/navigator rotation.
TDD: Red → Green → Refactor on all production code.
Trunk-based dev.
Collective code ownership — no silos or fiefdoms.
One-week iterations with Friday demos.
Communicates technical concepts to non-technical stakeholders.
Gives and receives code review feedback constructively.
Thinks out loud; surfaces blockers early.
Cross-functional empathy — understands agent/customer impact.
Mentorship orientation; shares knowledge freely.