Full Stack Java Developer

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.RequirementsCORE JAVA AND PLATFORM SKILLS:Java 17 / 21 LTS (records, sealed classes, pattern matching) - ExpertSpring Boot 3.x (auto-config, actuators, profiles, DI) - ExpertSpring Security, OAuth2 / OIDC - AdvancedREST API & OpenAPI 3.x design - ExpertUnit & Integration Testing — JUnit 5, Mockito - ExpertTest Driven Development (TDD) - RequiredAWS — Lambda, DynamoDB - AdvancedAmazon Connect / Contact Flows (Lambda handlers, Lex bots) - PreferredKafka / Amazon MSK (event-driven microservices) - ProficientCI/CD — trunk-based dev, GitHub Actions or equivalent - AdvancedAgentic AI tooling — LLM APIs, tool-use loops, LangChain4j - Preferred / Will trainEXPERIENCE REQUIREMENTS3-5 years professional Java in production systems2+ years Agile; XP experience strongly preferred1+ year AWS cloud-native (Lambda, ECS)TDD — evidenced examples will be differentiatorsEvent-driven microservices architectureEXPERIENCE DIFFERENTIATORS INCLUDE:Amazon Connect integration built end-to-endAgentic AI or LLM workflow implementationInsurance, Financial Services, or regulated industry backgroundOpen-source contributions (Java ecosystem)Systems scaled to 100k+ concurrent sessionsXP ENGINEERING PRACTICESPair programming daily — driver/navigator rotationTDD: Red → Green → Refactor on all production codeTrunk-based devCollective code ownership — no silos or fiefdomsOne-week iterations with Friday demosINTERPERSONAL COMPETENCIESCommunicates technical concepts to non-technical stakeholdersGives and receives code review feedback constructivelyThinks out loud; surfaces blockers earlyCross-functional empathy — understands agent/customer impactMentorship orientation; shares knowledge freelyCERTIFICATION AND ASSESSMENTSAWS Certified Developer — Associate (DVA-C02) - PreferredSpring Professional Certification (VMware / Broadcom) - PreferredAWS Certified Solutions Architect — Associate (SAA-C03) - AdvantageousAWS Certified Machine Learning — Specialty (MLS-C01) - AdvantageousWork is remote and preference is given to applicants located in the Chicago area.Not a perfect match? If you are a strong Java engineer who is curious about AI, comfortable in XP, and wants to work on systems that matter to millions of customers — we encourage you to apply.BenefitsAttadale offers competitive salaries commensurate with experience, performance bonus, generous paid time off, BCBS healthcare, 401(k) matching, profit sharing, dependent care accounts, and other benefits. However, more importantly, you will be mentored by experienced staff to help you fulfill your career aspirations and goals. We offer a great work/life balance, collegial team mates, and interesting work to stretch your skills and capabilities.Work is remote and preference is given to applicants located in the Chicago area.Not a perfect match? If you are a strong Java engineer who is curious about AI, comfortable in XP, and wants to work on systems that matter to customers — we encourage you to apply.