Lead Java Developer

Incedo Inc.; Dallas (TX); On-site; USD 130,000 - 195,000; Full time

Job summary

Incedo Inc. in Dallas, TX, seeks a Lead Java Developer with Apache Flink to design, develop, and maintain real-time data processing applications. You will leverage Core Java, Flink, and Kafka to build scalable streaming solutions.

The ideal candidate has 12+ years of experience and a proven track record delivering fault-tolerant pipelines, stateful processing, and CI/CD automation. You will collaborate with architects, data engineers, QA, and other stakeholders to drive high-performance

Qualifications

• 7+ years of hands-on Java development experience.
• Strong hands-on experience with Apache Flink.
• Experience building real-time streaming and event-driven applications.
• Experience with Kafka and distributed systems.
• Flink DataStream API, event-time processing, windowing, state management, checkpointing.

Responsibilities

• Design and develop real-time stream processing applications using Apache Flink and Java.
• Build scalable, high-performance, and fault-tolerant data processing pipelines.
• Develop and maintain applications using Core Java, Java concurrency, and multithreading.
• Work with streaming platforms such as Apache Kafka for real-time data ingestion and processing.
• Implement Flink concepts including DataStreams, event-time processing, windowing, state management, checkpoints, and watermarks.
• Develop solutions for complex event processing and real-time analytics.
• Optimize Flink jobs for performance, scalability, and reliability.
• Integrate streaming applications with databases, APIs, and other enterprise systems.
• Troubleshoot and resolve application and data processing issues.
• Write clean, maintainable, and well-tested code following development best practices.
• Participate in code reviews, technical discussions, and solution design.
• Collaborate with architects, data engineers, QA teams, and other stakeholders.
• Support CI/CD processes and automated deployment of applications.
• Create and maintain technical documentation.

Skills

Java

Apache Flink

Real-time streaming

Kafka

Multithreading

Microservices

Spring Boot

Git CI/CD

SQL

Distributed systems

Job description

Job Title: Lead Java Developer with Apache Flink

Experience: 12+ Years

Employment Type: Full-Time

Job Description

We are seeking an experienced Java Developer with strong hands-on expertise in Apache Flink to design, develop, and maintain scalable real-time data processing applications. The ideal candidate should have solid experience in Core Java, Apache Flink, stream processing, and distributed systems.

This role requires a developer with strong application development experience and the ability to build high-performance, fault-tolerant, and scalable streaming solutions.

Key Responsibilities

• Design and develop real-time stream processing applications using Apache Flink and Java.
• Build scalable, high-performance, and fault-tolerant data processing pipelines.
• Develop and maintain applications using Core Java, Java concurrency, and multithreading concepts.
• Work with streaming platforms such as Apache Kafka for real-time data ingestion and processing.
• Implement Flink concepts including DataStreams, event-time processing, windowing, state management, checkpoints, and watermarks.
• Develop solutions for complex event processing and real-time analytics.
• Optimize Flink jobs for performance, scalability, and reliability.
• Integrate streaming applications with databases, APIs, and other enterprise systems.
• Troubleshoot and resolve application and data processing issues.
• Write clean, maintainable, and well-tested code following development best practices.
• Participate in code reviews, technical discussions, and solution design.
• Collaborate with architects, data engineers, QA teams, and other stakeholders.
• Support CI/CD processes and automated deployment of applications.
• Create and maintain technical documentation.

Required Skills

• 7+ years of hands-on Java development experience.
• Strong expertise in Core Java, Java 8+, multithreading, concurrency, and collections.
• Strong hands-on experience with Apache Flink.
• Experience building real-time streaming and event-driven applications.
• Strong understanding of:
• Flink DataStream API
• Event Time and Processing Time
• Windowing
• State Management
• Checkpointing and Fault Tolerance
• Exactly-once Processing Semantics
• Experience with Apache Kafka or similar messaging/streaming platforms.
• Strong understanding of distributed systems and scalable application architecture.
• Experience with REST APIs and microservices architecture.
• Experience with Spring Boot is preferred.
• Knowledge of SQL and relational databases.
• Experience with Git, Maven/Gradle, Jenkins, and CI/CD pipelines.
• Strong debugging, problem-solving, and performance tuning skills.

Preferred Skills

• Experience deploying Apache Flink applications on Kubernetes.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Docker and containerized applications.
• Experience with Kafka Streams, Spark Streaming, or other stream processing frameworks.
• Experience with NoSQL databases such as Cassandra, MongoDB, or DynamoDB.
• Financial services, telecom, or other high-volume data processing domain experience is a plus.

Key Requirement

The candidate must have strong hands-on application development experience using Java and Apache Flink. We are specifically looking for developers who have built and worked on real-time streaming applications and Flink-based data processing pipelines.