{"id":1342332,"url":"https://alion.io/job/publicisgroupe-principal-java-engineer-capital-markets","title":"Principal Java Engineer – Capital Markets","company":{"id":46462,"name":"Publicis Groupe","domain":"publicisgroupe.com","url":"https://alion.io/company/publicisgroupe","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":8,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":5,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":205000,"currency":"USD","period":"year","gross":null,"usd_annual":205000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Docker","optional":false},{"name":"GitLab CI","optional":false},{"name":"Hazelcast","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Redis","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Cloud","optional":false},{"name":"SQL","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-09-27T15:57:23Z","employer_posted_date":"2026-09-27","last_verified_at":"2026-10-14T01:39:04Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"Company Description\nPublicis Sapient is a digital transformation partner helping established organizations get to their future, digitally enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting, and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.\nOverview\nAs a Java Architect, you will lead the design, development, and implementation of scalable, high-performance microservices-based solutions. You will work closely with cross-functional teams to deliver cutting-edge digital solutions that drive business value and enhance customer experiences.\nTechnical Leadership\nLead and mentor a team of engineers delivering enterprise-scale data solutions\nProvide hands-on guidance across architecture, design, development, and troubleshooting\nDrive best practices in coding standards, performance optimization, and system reliability\nConduct code reviews and enforce quality and security standards\nLead the adoption of Generative AI tools\nPlatform Development\nArchitecture & Development: Lead the design and implementation of distributed microservices using Java/Spring Boot tailored for high-frequency trading environments.\nPerformance Optimization: Conduct deep-dive performance tuning, GC optimization, and memory management to maintain sub-millisecond execution speeds.\nPlatform Governance: Design and enforce \"Safe Trading\" protocols, including pre-trade risk checks and automated circuit breakers within the microservices mesh.\nCloud & Infrastructure\nArchitect and deploy solutions in AWS environment\nImplement scalable, secure, and high-availability solutions\nDelivery & Collaboration\nPartner with Product, Business Analysts, and stakeholders to translate requirements into technical solutions\nManage project timelines, deliverables, and resource allocation\nEnsure alignment with SDLC processes, DevOps practices, and CI/CD pipelines\nDomain Requirements:\nTrading Lifecycle: Deep understanding of the full trade lifecycle (Order Management, Execution, Clearing, and Settlement).\nDomain knowledge on what different asset classes are and how PnL / Performance Attribution is done for positions created using such trades\nDirect Experience working on realtime pricing and their performance attribution for providing analytics at low latency to the consumers using realtime data.\nQualifications\nTechnical Qualifications:\nJava Expertise: Expert-level proficiency in Core Java (v17+ preferred), including advanced multi-threading, concurrency patterns, and the Java Memory Model.\nMicroservices Architecture: Extensive experience with Spring Boot, Spring Cloud, and containerization (Docker/Kubernetes).\nMessaging & Integration: Hands-on experience with high-performance messaging middleware like Apache Kafka, Solace, or Aeron.\nData Systems: Proficiency in low-latency data stores (Redis, Hazelcast) and SQL/NoSQL databases for trade persistence and auditing.\nProven experience with AWS Services, Linux/Unix environments\nAbility to lead technical solution design and architecture discussions\nProficiency in using AI pair-programmers and engineering assistants (specifically GitHub Copilot and/or Claude Code) to optimize workflow efficiency and accelerate problem-solving\nTesting & CI/CD: Commitment to TDD/BDD practices and automated pipeline integration (Jenkins, GitLab CI)\nAdditional Information\nPay Range: $160,000 - $205,000\nThe range shown represents a grouping of relevant ranges currently in use at Publicis Sapient. Actual range for this position may differ, depending on location and specific skillset required for the work itself.\nBenefits of Working Here:\nAn inclusive workplace that promotes diversity and collaboration.\nAccess to ongoing learning and development opportunities.\nCompetitive compensation and benefits package.\nFlexibility to support work-life balance.\nComprehensive health benefits for you and your family.\nGenerous paid leave and holidays.\nWellness program and employee assistance.\nAs part of our dedication to an inclusive and diverse workforce, Publicis Sapient is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. 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