Senior Java Developer

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.

Job Title: Senior Java Developer
Location: Columbus, OH 43215
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Onsite

Job Summary

• Senior Java Full Stack Developer with 12+ years of experience in designing, developing, and deploying enterprise-scale applications using Java, Spring Boot, Microservices, Kafka, and AWS Cloud.
• Proven expertise in building cloud-native, event-driven, and highly scalable distributed systems for Banking, Financial Services, and Enterprise domains.
• Strong experience across the full software development lifecycle, including architecture, development, testing, CI/CD, containerization, and cloud deployment.

Responsibilities

• Design and implement robust Java based microservices that process and serve complex geospatial data while maintaining high performance and reliability for enterprise applications.
• Develop and optimize Springboot services that integrate geospatial libraries and data sources to deliver efficient spatial queries and analytical features for business users.
• Configure and manage AWS EC2 environments to host and scale Java microservices that support geospatial workloads with strong focus on availability and cost efficiency.
• Collaborate with product owners and geospatial analysts to translate domain requirements into technical designs and implementation plans that align with organizational objectives.
• Review and refactor existing Java and Springboot codebases to enhance modularity, maintainability, and adherence to best practices across microservices architecture.
• Implement secure interfaces and APIs that enable reliable data exchange between geospatial services, external systems, and client applications following industry security standards.
• Monitor application performance and resource utilization on AWS EC2 instances and propose improvements that enhance throughput, stability, and user experience.
• Coordinate with quality engineering teams to define test strategies for microservices including unit, integration, and performance testing for geospatial processing flows.
• Prepare detailed technical documentation that covers architecture decisions, deployment configurations, and operational procedures for Java and Springboot services.
• Mentor team members on advanced Java concepts, microservices patterns, and effective use of Springboot features to maintain consistent engineering quality.
• Engage with stakeholders to plan delivery milestones, estimate effort, and ensure that geospatial solutions are delivered on schedule and within defined quality expectations.
• Ensure compliance with organizational governance standards, data protection guidelines, and regulatory requirements in all geospatial solution components.
• Drive continuous improvement initiatives by identifying opportunities to adopt emerging tools, frameworks, and patterns that enhance geospatial capability within the organization.

Qualifications

• Demonstrate strong proficiency in core and advanced Java concepts including multithreading collections and performance optimization applied to geospatial processing scenarios.
• Exhibit hands on expertise with Springboot for building microservices including dependency injection RESTful services configuration management and observability.
• Show practical experience designing and deploying microservices architectures that handle high volume and low latency geospatial data transactions.
• Apply working knowledge of AWS EC2 for provisioning configuring and managing compute resources that host Java based microservices in production environments.
• Utilize experience with geospatial concepts such as coordinate reference systems vector and raster data and spatial indexing to design effective solutions.
• Display familiarity with relational and NoSQL data stores commonly used for geospatial applications and design schemas that support efficient spatial queries.
• Use strong understanding of CI and CD practices to automate build test and deployment pipelines for Java and Springboot microservices.
• Demonstrate ability to analyze complex problems in geospatial workflows and propose practical and scalable technical solutions.
• Communicate effectively with cross functional teams and stakeholders to ensure clear understanding of geospatial solution capabilities and constraints.
• Maintain focus on quality and maintainability by adhering to coding standards conducting reviews and encouraging continuous learning within the team.
• Leverage prior experience of eight to twelve years in Java development to guide architectural decisions and ensure resilient microservices solutions.
• Prefer exposure to additional cloud native services such as container orchestration and monitoring tools that complement AWS EC2 deployments.
• Value experience working in office based agile environments where close collaboration and quick feedback cycles are essential for project success.

Certifications Required

• Preferred certifications include AWS Certified Developer Associate or AWS Certified Solutions Architect Associate and Java focused credentials such as Oracle Certified Professional Java Programmer.

Technical Skills

Backend

• Java 8/11/17/21
• Spring Boot
• Spring MVC
• Spring Cloud
• Microservices Architecture
• RESTful APIs
• GraphQL
• Hibernate
• JPA
• JDBC
• OAuth2
• JWT
• Spring Security
• Design Patterns
• Domain Driven Design (DDD)

Messaging & Streaming

• Apache Kafka
• Event-Driven Architecture
• Kafka Streams

Cloud & DevOps

• AWS (EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, IAM)
• Docker
• Kubernetes
• Jenkins
• GitHub Actions
• Terraform
• CloudFormation
• Maven
• Gradle

Databases

• Oracle
• PostgreSQL
• MySQL
• MongoDB
• Cassandra
• Redis

Monitoring & Logging

• Splunk
• ELK Stack
• Grafana
• Prometheus

Tools & Methodologies

• Git
• Bitbucket
• Jira
• Confluence
• Agile/Scrum
• JUnit
• Mockito
• Postman
• SonarQube

Years of Experience

• 12.00 Years of Experience

TekWissen Group is an equal opportunity employer supporting workforce diversity.