Senior Java Engineer

AdCellerant is an award-winning tech-enabled services company that has brought Madison Avenue-level digital marketing solutions to Main Street businesses since 2013. We help local marketers, media companies, agencies, and channel sales organizations leverage our proprietary advertising software platform, Ui.Marketing. Summary of Role We are seeking a Senior Data Engineer who is a pioneer in the modern agentic development era with a strong focus on data pipeline and analytics architecture . This role demands exceptional critical thinking and problem-solving skills to navigate complex architectural challenges within high-volume data environments. You will serve as the technical authority for your domain, leading the design, development, and maintenance of scalable microservices that power our core ETL and analytics platforms. At our company, the “Senior” title signifies more than just writing code; you are an integral component of the entire technical lifecycle—from refining high-level product initiatives into executable stories to mentoring the team on best practices. Most importantly, you will leverage and champion Agentic LLM tooling (such as GitHub Copilot or Cursor) to accelerate delivery, maintain high standards, and automate engineering “toil”. Responsibilities Data Pipeline & Architecture Leadership: Lead design teams for complex ETL pipelines, data models, and analytics infrastructure. System Maintenance: Design and develop new Microservices while managing APIs, massive datasets, and complex ETL pipelines that feed data warehouses and search indices. Agentic Workflow Mastery: Utilize AI-assisted coding tools to boost productivity while critically evaluating outputs to ensure they meet our rigorous standards. Engineering Excellence: Perform regular code reviews, discourage “big PR” mindsets, and advocate for modular, component-based architectures. Product Initiative Ownership: Coordinate with Product Owners and Data Analysts to refine data requirements and break down complex epics into modular stories. Operational Proactivity: Lead root cause analysis for production alerts and errors, specifically regarding data quality and pipeline failures. Mentorship: Work closely with team members to socialize standards and increase productivity through collaborative design sessions. Requirements Java Expertise: 8+ years of Java experience, with a mandatory mastery of the Java ecosystem. Polyglot Programming: 5+ years of experience with Python . Data & Messaging: 5+ years working with Message Bus technologies (e.g., RabbitMQ, GCP PubSub). Big Data & Analytics Platforms: 5+ years of proven experience with Spark, Google BigQuery, Elasticsearch , and managed orchestration services like Dataproc or Airflow . Database & Modeling: 5+ years of deep experience with both Relational (SQL) and NoSQL databases, including expertise in star/snowflake schemas and data warehousing. AI Tooling: Proven ability to integrate Agentic LLM tools into the daily SDLC and perform “Context Engineering” to produce idiomatic, compliant code. Node.js Proficiency: Experience building and maintaining services within a Node.js environment. Frameworks & API Design: Experience with Spring Framework/Hibernate and designing GraphQL/REST APIs. Cloud Tools: Proficiency with Docker and containerized ecosystems such as Argo and K8s . Location Information This role is preferred to be located near our Denver, CO office , with hybrid work from home flexibility. Team members must live and work in the United States* (*territories excluded), and have access to reliable, high-speed internet. Compensation Salary Range: $135,000.00 – $165,000.00 annually, depending on experience and qualifications. AdCellerant offers full-time employees: Paid vacation, holidays, and sick days 401k retirement plan and company match contribution Generous paid parental leave Wellness Program Work from home flexibility Denver, CO headquarters available for hybrid work with in office perks Life at AdCellerant Our top priority is our team above everything else. We set out to build a great workplace, followed by a great company. We know that if our team is motivated, all the company’s business objectives can be achieved. Our goal of team first since our founding has led to being recognized in a few ways we are proud of: Denver Business Journal “Best Workplace” Inc. 5000 Award for Fastest Growing Companies in the U.S, 5 years running: 2018 – 2022 Those who join our team join the ranks of an engaged, lively, industry-leading team! We are united in our mission to make Madison Avenue-level digital advertising solutions available to Main Street marketers, and you’ll find our main Pillars woven throughout everything we do. Driving results for partners & local businesses Technology innovations to stay ahead of the curve Our team members’ success & well being Exceptional customer service for every single partner Conducting our business in an ethical & sustainable way Making our local community a better place Other Requirements Currently legally authorized to work in the United States on a full-time basis. AdCellerant is proud to be an equal opportunity workplace. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates regardless of race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, marital status, citizenship, age, Veteran status, status as an individual with a disability, or other applicable legally protected characteristics. Additional Notices E-Verify Statement AdCellerant participates in the E-Verify program for all new hires. We comply with all applicable federal, state, and local laws regarding employment eligibility verification and do not use E-Verify to pre-screen applicants. Colorado Residents: In any materials you submit in connection with your job application, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. Should you wish to exercise your right to redact such information, please redact it prior to submitting the documentation. You will not be penalized for redacting or removing this information. Application Deadline April 30th or until the role is filled #J-18808-Ljbffr