{"id":2513914,"url":"https://alion.io/job/sequoia-global-services-java-developer-sr","title":"Java Developer Sr","company":{"id":6343,"name":"Sequoia Connect","domain":"sequoia-connect.com","url":"https://alion.io/company/sequoia-global-services","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Comeet","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mexico City, Mexico"],"countries":["MX"],"hiring_countries":["MX"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":42000,"max_usd":93000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Gradle","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Kubernetes","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"Spring Boot","optional":false},{"name":"Swagger","optional":false},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-11T04:21:38Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-11-04T11:13:32Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"description":"Description\nAt Sequoia Connect, we are a Talent-First Technology Ecosystem that redefines how elite professionals interact with the global digital landscape. We move beyond traditional models to act as a catalyst for the top 1% of global talent, connecting human potential with complex industrial execution. By joining our inner circle, you are not simply taking a position; you are aligning with a strategic partner dedicated to updating your \"Human OS\" and accelerating your growth through world-class, high-impact projects.\nWe are currently partnering with a global IT powerhouse that represents the connected world through innovative, customer-centric experiences. As a USD 6 billion organization and one of the top 7 IT service providers globally, our client empowers over 1,200 global customers-including several Fortune 500 companies-to \"Rise™.\" With a massive network of 163,000+ professionals across 90 countries, they are at the absolute forefront of digital transformation, leveraging next-generation technologies such as 5G, AI, Blockchain, and Quantum Computing.\nThis is your chance to thrive in a workplace recognized as one of the most sustainable corporations in the world. You will join an environment that values innovation and societal impact, working on end-to-end digital transformation projects for global leaders. If you are a driven professional looking for global career opportunities and exposure to high-impact projects within an international network of expertise, this is where you belong.\nWe are currently searching for a Java Developer Sr:\nResponsibilities\nDevelop domain-focused Java microservices (Spring Boot) with clear endpoints, robust validations, and maintainable internal structures, strictly adhering to clean design principles and separation of concerns.\nImplement read models and projections using the CQRS pattern: design collections/documents in MongoDB, define indexes, and build hydration components that keep the read state consistent with business rules.\nConsume and publish events using Apache Kafka (Spring Kafka): implement robust, idempotent consumers, manage logical retries and errors, and ensure contract compatibility within the event-driven ecosystem (utilizing Schema Registry).\nOptimize query performance: analyze access patterns, tune MongoDB aggregations, pagination, and filters, and refine data models to minimize latency and load on consuming services.\nCollaborate extensively with BFF (Backend-for-Frontend), Frontend, and Data Plane teams to agree on API contracts, required fields, and semantics.\nDocument APIs using OpenAPI/Swagger and ensure all changes are backward-compatible and progressive.\nEnsure code quality through rigorous testing using JUnit and Mockito.\nRequirements\nStrong hands-on experience with Java: Deep proficiency in Java 17+, encompassing modern features and functional paradigms.\nExpertise in the Spring Ecosystem: Extensive experience with Spring Boot, Spring Web, and Spring Data MongoDB.\n Database & Architecture: Proven experience with MongoDB (data modeling, indexing, aggregations) and practical implementation of CQRS and read models.\n Event-Driven Messaging: Hands-on experience with Apache Kafka (Spring Kafka) for event consumption/publication and familiarity with Schema Registry.\nTesting & Documentation: Strong proficiency in unit and integration testing using JUnit and Mockito, and API documentation using OpenAPI/Swagger.\nBuild Tools: Experience with Maven or Gradle.\nBanking Sector Experience: 3+ years of experience working within the banking or financial services industry, understanding its rigorous standards for security and transactional integrity.\nHigh-Performance Mindset: Resilience, emotional intelligence, and a focus on agile delivery.\nTechnologist DNA: A deep understanding of the difference between \"coding\" and \"engineering,\" specifically within distributed, event-driven architectures.\nDesired\nFamiliarity with frontend frameworks (like Angular) to effectively collaborate on BFF implementations.\nExperience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).\nFamiliarity with cloud-native foundations or AI coding assistants.\nLanguages\nAdvanced Oral English.\nAdvanced Spanish.\nNote:\nHybrid\nIf you meet these qualifications and are pursuing new challenges, start your application on our website to join an award-winning employer. Explore all our job openings | Sequoia Career’s Page: https://www.sequoia-connect.com/careers/\nRequirements\nStrong hands-on experience with Java: Deep proficiency in Java 17+, encompassing modern features and functional paradigms.\nExpertise in the Spring Ecosystem: Extensive experience with Spring Boot, Spring Web, and Spring Data MongoDB.\n Database & Architecture: Proven experience with MongoDB (data modeling, indexing, aggregations) and practical implementation of CQRS and read models.\n Event-Driven Messaging: Hands-on experience with Apache Kafka (Spring Kafka) for event consumption/publication and familiarity with Schema Registry.\nTesting & Documentation: Strong proficiency in unit and integration testing using JUnit and Mockito, and API documentation using OpenAPI/Swagger.\nBuild Tools: Experience with Maven or Gradle.\nBanking Sector Experience: 3+ years of experience working within the banking or financial services industry, understanding its rigorous standards for security and transactional integrity.\nHigh-Performance Mindset: Resilience, emotional intelligence, and a focus on agile delivery.\n Technologist DNA: A deep understanding of the difference between \"coding\" and \"engineering,\" specifically within distributed, event-driven architectures.","description_format":"text","description_chars":5657,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Spanish","level":"Advanced (C1)","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Mexico","iso":"MX","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto"],"lifecycle":[{"event":"open","at":"2026-10-14T09:27:02Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long 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