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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Spark Developer - **Company:** Deloitte T.T.L. - **Location:** United States - **Experience:** Expert - **Salary:** $113,300.0 - $188,900.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Build Automation, Unit Testing, Code Review, Databases, Computer Engineering, Continuous Integration, Extract Transform Load (ETL), Data Systems, Relational Databases, Software Debugging, Software Design Patterns, DevOps, Distributed Data Store, Distributed Systems, Memory Management, Java Platform Enterprise Edition (J2EE), Fault Tolerance, Junit, Network Protocols, NoSQL, Performance Tuning, Scrum Methodology, Data Processing, Freeform SQL, Delivery Pipeline, Apache Spark, HybridCloud, Git, Event Driven Architecture, Containerization, Solid Principles, Kubernetes, Information Technology, Data Management, Api Design, Software Version Control, Data Pipelines, Docker, Microservices - **Published:** September 23, 2026 - **Apply:** https://apply.deloitte.com/en_US/careers/Login?jobId=357705 ## About the Role * Ability to work independently and collaborate as part of a team * Effective written and verbal communication skills * Meticulous attention to detail and quality of work product * Ability to build and sustain professional relationships * Ability to lead projects or workstreams * Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment * Strong interpersonal skills and professional demeanor * Ability to meet deadlines * Ability to provide clear guidance to others, * 7+ years of experience in software, systems, or embedded engineering. * 7+ years of experience working Java/J2EE * 6+ years of professional software engineering experience focusing on Java/J2EE and Big Data frameworks. * 6+ years of experience in Core Languages: Deep proficiency in Java (Java 8 or higher) and solid understanding of Object-Oriented Programming (OOP) and concurrency patterns. * 6+ years of experience with Spark Ecosystems: Hands-on expertise using Apache Spark APIs (RDDs, Data Frames, Datasets, and Spark SQL). * Databases: Expert-level knowledge of SQL alongside hands-on experience with databases * Testing Frameworks: Proven track record of writing reliable unit tests using JUnit Experience with microservices, event-driven architectures, or distributed systems patterns. * Familiarity with containerization (Docker) and orchestration (Kubernetes). * Understanding of network protocols, security best practices, and scalable API design. * Experience with Git, CI/CD pipelines, and modern DevOps practices. * Experience working within Agile/Scrum development teams, participating in sprint planning, code reviews, and collaborative solutioning. * Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience * Limited immigration sponsorship may be available * Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve Preferred * Experience developing or deploying AI solutions, custom hardware, or high-performance platforms. * Proven ability to communicate complex technical concepts clearly and effectively. * Analytical ability to manage multiple projects and prioritize tasks into manageable work products * Can operate independently or with minimum supervision * Excellent Written and Communication Skills * Ability to deliver technical demonstrations ## Description Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Software Engineer III - Senior Java Spark Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long-term, onsite client service delivery., As a Java Spark Developer, you will be responsible for designing and building robust batch and real-time streaming data pipelines. You will work to ensure these solutions are scalable, reliable, and efficient, supporting timely data processing across the organization. In this role, you will collaborate with cross-functional teams to deliver high-quality data solutions that meet business and technical requirements. * Pipeline Development: Design, implement, and maintain scalable, fault-tolerant data pipelines using Java and the Apache Spark framework. * Data Processing: Build complex ETL / ELT workflows to extract, transform, and load massive data volumes from diverse sources. * Performance Tuning: Optimize and debug existing Spark configurations, partition strategies, and memory allocation to resolve bottlenecks. * API & Core Design: Write highly optimized, clean, and testable Java code compliant with SOLID principles and standard design patterns. * Database Integration: Write advanced SQL queries and integrate pipelines with relational databases (RDBMS), NoSQL stores, and distributed storage systems. * CI/CD & DevOps: Support deployment pipelines by using build automation tools and managing version control. * Agile Collaboration: Participate actively in Agile ceremonies (daily stand-ups, sprint planning, and code reviews). ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [6 Reasons to Use Java For Your Next AI Project](https://www.wearedevelopers.com/magazine/111-6-reasons-to-use-java-for-your-next-ai-project)