Lead / Senior Backend Java Developer role Agentic AI

Lead / Senior Backend Java Developer Role Agentic AIWe are looking for candidates who are primarily hands-on, dedicating approximately 70–80% of their time to engineering, architecture, and design, with the remaining 10–20% focused on technical leadership, including code reviews, establishing coding standards, mentoring developers, and guiding technical decisions.
Location & OpeningsNew York, NY
- 3 openings || Jersey City, NJ
- 2 openings || Wilmington, DE
- 1 openingAll the roles are 6 months contract to hire.
Positions are mix of 602 & 603 ConversionsFor experience level:603 roles: approximately 7–12 years602 roles: approximately 4–6 yearsSkill AreaJava
- Write working code and explain concurrency, collections, JVM behaviour and error handling.
Spring Boot / APIs
- Design API contracts, validation, authentication, exception handling and versioning.
Kafka
- Explain partitioning, offsets, consumer groups, duplicate processing, retries and message ordering.
System design
- Design a scalable microservice-based application and explain its bottlenecks and trade-offs.
AWS
- Explain actual services used, architecture, deployment, monitoring, IAM and troubleshooting.
Resiliency
- Explain timeouts, retries with backoff, circuit breakers, idempotency and graceful degradation.
Performance
- Discuss latency, throughput, connection pools, database indexes, caching and load testing.
Agentic AI
- Describe an actual agent workflow, tools, state management, failure handling and evaluation.
Technical leadership
- Explain architecture ownership, mentoring, code reviews and production decision-making.

Job Description
Expert in Core Java and design technique as well as experience working across large environments with multiple operating systems/infrastructure for large-scale programs (e.g., Expert Engineers) starting to be firm-wide resources working on projects across ClientIs multi-skilled with expertise across software development lifecycle and toolsetMay be recognized as a leader in Agile and cultivating teams working in Agile frameworksSought out as coach for at least one technical skillStrong understanding of techniques such as Continuous Integration, Continuous Delivery, Test Driven Development, Cloud Development, resiliency, securityStays abreast of cutting-edge technologies/trends and uses experience to influence application of those technologies/trends to support the business; may give speeches and outside the firm, writes articles.
Roles and ResponsibilitiesExecutes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or breakdown technical problemsDevelops secure and high-quality production code, and reviews and debugs code written by othersDrives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team.
Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.
Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systemsLeads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architectureAdditional SkillsAdvanced Java development experienceHands-on development of complex Spring applicationsBuilding and supporting APIs at scaleAWS, Terraform, Grafana, SplunkFull SDLC ownershipCI/CD, resiliency, securityKnowledge of AI models and ability to develop apps using models (Claude, GPT etc.).

About Us
InterSources IncInterSources Inc, a Certified Diverse Supplier, was founded in 2007 and offers innovative solutions to help clients with Digital Transformations across various domains and industries. Our history spans over 19 years and today we are an Award-Winning Global Software Consultancy solving complex problems with technology. We recognize that our employees and our clients are our strengths as the diverse talents and opportunities they bring to the table enable us to grow as a global platform and they are causally linked with our success. We provide strategic and technical advice, and we have expertise in areas coveringArtificial Intelligence, Cloud Migration, Custom Software Development, Data Analytics Infrastructure & Cloud Solutions, Cyber Security Services, etc.
We make reasonable accommodations for clients and employees and we do no