CrawlJobs Logo
Apex Systems Logo Apex Systems · IT - Software Development

Senior Java Application Architect

United States, Durham Contract work 70.00 - 75.00 USD / Hour · Job Posted January 29, 2026
Apply Position
Job Link Share

Job Description

Our client is actively searching for an experienced Senior Java Application Architect who will leverage their technology skills to develop business solutions within the healthcare industry. You will be challenged with cutting-edge technologies to provide a modern framework for container, cloud, and serverless Java/Linux-based solutions. You will contribute technical thought leadership in our agile development teams and deal with complex business integrations, eliciting requirements, and implementing secure and high-performance services consumed by various devices and applications across the organization. You will drive our software evolution and innovations ensuring that we meet our internal and external clients' software needs today and tomorrow. Most importantly, you'll be engaged in meaningful work for an organization that is committed to “improving health, improving lives, and pursuit of answers” every day.

Job Responsibility

  • Successfully plan and deliver complex, long-term projects involving multiple teams and external dependencies
  • Oversee multiple projects in terms of architecture, design, implementation, maintenance, support, and technical debt management
  • Lead the architecture of new systems, technologies, and processes, ensuring alignment with both functional and non-functional requirements through comprehensive documentation and diagrams
  • Develop prototypes and proof-of-concepts to facilitate new technology adoption
  • Establish quality standards and guidelines for coding patterns and the code review process
  • ensure adherence to these standards across teams
  • Communicate complex design and architectural concepts effectively to engineering teams, C-level executives, and business representatives
  • Drive innovation and creativity in solution design to meet the demands of large-scale applications
  • Mentor and train developers, helping them navigate technical challenges and grow their skills
  • Web applications and web service development
  • Platform development
  • Automation
  • Coaching/mentoring of teams adopting the platforms

Requirements

  • 10+ years of experience as an Architect, Technical Lead, Consultant, with a focus on hands-on implementation
  • Proficiency in Java SE (Standard Edition) and Java EE (Enterprise Edition), Spring Framework (Spring Boot, Spring MVC, etc.)
  • Strong understanding of Java 17/21 programming concepts
  • Strong experience in developing RESTful web services using the Spring framework
  • Understanding of version control systems (e.g., Git)
  • Familiarity with build tools (e.g., Maven, Gradle)
  • Knowledge of unit testing frameworks (e.g., JUnit, Mockito)
  • Familiarity with Infrastructure as Code tools such as Terraform, understanding of CI/CD pipelines
  • Demonstrated expertise in leveraging Azure or AWS services for solution design and implementation
  • Highly skilled in SQL development and database management
  • Proven ability to learn new technologies and apply research to ongoing projects
  • Excellent troubleshooting, follow-through, and problem-solving skills
  • Strong analytical, communication, and collaboration skills, particularly within Agile teams
  • Bachelor’s degree in Computer Information Systems, Information Technology, Software Engineering, Computer Science, Computer Engineering, or a related field

Nice to have

  • Experience in the healthcare domain, including knowledge of FHIR, HL7, and AWS Healthcare Services
  • Development experience building pipelines for public health/health care data (HL7, FHIR, vocabulary, and HHS data standards)
  • Familiarity with relational and NoSQL databases (e.g., Databricks) for large-scale enterprise solutions
  • Experience developing container-based and serverless applications
  • Knowledge of messaging services such as SQS, Kafka, IBM MQ, or Kinesis
  • Ability to coach and mentor junior developers and promote code reuse across teams

What we offer

  • Medical, dental, vision, life, disability, and other insurance plans
  • ESPP (employee stock purchase program)
  • 401K program with company match after 12 months
  • HSA (Health Savings Account on the HDHP plan)
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
  • Corporate discount savings program
  • On-demand training program
  • Access to certification prep and a library of technical and leadership courses/books/seminars after 6+ months of tenure
  • Certification discounts
Apex Systems - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Java Application Architect

8 matching positions

Java Application Development Architect - Senior Vice President

We are seeking a highly skilled and visionary C14 Application Development Archit...
Location
Location
India , Chennai; Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 15+ years of progressive experience in software development, with at least 7+ years hands on Java development & enterprise architectural leadership role (e.g., Principal Architect, Enterprise Architect, Chief Architect)
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field
  • Strong experience in the financial services industry, particularly in credit risk, market risk, or a related trading/risk domain, with a deep understanding of financial products and risk methodologies
  • Proven deep understanding of software architecture patterns, data structures, algorithms, and system design for large-scale, distributed applications
  • Extensive hands-on experience and architectural leadership in modern tech stacks and cloud platforms (e.g., AWS, Azure, GCP), including microservices, APIs, containerization (Docker, Kubernetes), and serverless computing
  • Demonstrated expertise in designing and implementing AI/ML tools ( such as Devin, Co-Pilot etc) for software development
  • A deep understanding of runtime environment, performance optimizations and memory management
  • Proficiency with various databases (SQL and NoSQL) and complex data integration/streaming technologies
  • Strong background in CI/CD pipelines, DevOps practices, and automated testing frameworks
  • Exceptional problem-solving, analytical, and critical thinking skills, with the ability to define technical solutions for complex business problems
Job Responsibility
Job Responsibility
  • Define and champion the architectural vision, strategy, and roadmap for the CitiRisk Credit system
  • Lead the design of robust, scalable, high-performance, and secure credit risk applications
  • Develop architectural blueprints and guidelines for integrating AI/ML capabilities
  • Develop rapid Proof-of-Concepts (POCs)
  • Establish Key Performance Indicators (KPIs) for the system
  • Provide expert technical guidance and mentorship to development teams
  • Conduct comprehensive architectural reviews
  • Drive the adoption of modern software development practices
  • Proactively research, evaluate, and integrate emerging technologies
  • Lead initiatives for leveraging cloud-native platforms
What we offer
What we offer
  • Competitive compensation package and benefits
  • Opportunity to drive the architectural direction of a critical enterprise system
  • Highly collaborative and intellectually stimulating environment
  • Challenging and high-visibility projects
  • Fulltime
Read More
Arrow Right

Senior Java Architect Lead, Senior Vice President

We’re currently looking for a high caliber professional to join our team as Seni...
Location
Location
United States , Jersey City
Salary
Salary:
176720.00 - 265080.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
June 29, 2026
Flip Icon
Requirements
Requirements
  • 8+ years of relevant experience in Apps Development role with hand on coding
  • Demonstrated thought leadership in designing complex and distrusted systems
  • In depth knowledge of Java, Spring, Kafka, Distributed Cache/Systems (e.g. Apache Ignite)
  • Hands on experience on relational databases like Oracle
  • Any experience with NoSQL databases like MongoDB is preferred
  • Hands on experience with designing and developing ML/GenAI solutions
  • Experience with Python is preferred
  • Great exposure to microservices architecture
  • API first design thinking and implementation using Rest, websocket and gRPC
  • Experience with building applications on cloud platform such as Docker, Kubernetes or OpenShift
Job Responsibility
Job Responsibility
  • Provide expertise in area and advanced knowledge of applications design/architecture, programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Guide team to establish design standard, improving efficiency of development workflow and product rollout
  • Take ownership of smooth Production releases planning and execution
  • Oversee software quality and system modifications
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • Analyze existing operations to identify risks and redundancies
  • Conduct comprehensive assessments to develop solutions
  • Liaise with team members, management to ensure projects are completed to application development and governance standard
What we offer
What we offer
  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
  • discretionary and formulaic incentive and retention awards
  • Fulltime
Read More
Arrow Right

Senior Application Architect and Delivery Lead - Senior Vice President

The Applications Development Group Manager is a senior management level position...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 14+ years of relevant experience
  • Experience in applications development
  • Experience in management
  • Experience managing global technology teams
  • Working knowledge of industry practices and standards
  • Consistently demonstrates clear and concise written and verbal communication
  • Exhibit sound understanding of theories and practices in architecture in multiple related areas
  • Demonstrated knowledge in the areas of Big Data, Grid Computing, Data Warehousing, Cloud Computing, and programming languages such as Java, Spark and Python
  • Extensive development expertise in building the high scaled and performant software platforms for data computation and processing
  • Expert level knowledge of core Java concepts and framework such as Spring Boot, Microservices and well versed with OOPs concepts and design patterns
Job Responsibility
Job Responsibility
  • Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
  • Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
  • Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
  • Ensure essential procedures are followed and contribute to defining standards
  • Integrate in-depth knowledge of applications development with overall technology function to achieve established goals
  • Provide evaluative judgement based on analysis of facts in complicated, unique, and dynamic situations including drawing from internal and external sources
  • Influence and negotiate with senior leaders across functions, as well as communicate with external parties as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards
  • Fulltime
Read More
Arrow Right

Senior Application Architect and Delivery Lead – Bigdata-JavaSpark -Senior Vice President

The Applications Development Group Manager is a senior management level position...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 14+ years of relevant experience
  • Experience in applications development
  • Experience in management
  • Experience managing global technology teams
  • Working knowledge of industry practices and standards
  • Consistently demonstrates clear and concise written and verbal communication
  • Exhibit sound understanding of theories and practices in architecture in multiple related areas
  • Demonstrated knowledge in the areas of Big Data, Grid Computing, Data Warehousing, Cloud Computing, and programming languages such as Java, Spark and Python
  • Extensive development expertise in building the high scaled and performant software platforms for data computation and processing
  • Expert level knowledge of core Java concepts and framework such as Spring Boot, Microservices and well versed with OOPs concepts and design patterns
Job Responsibility
Job Responsibility
  • Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
  • Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
  • Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
  • Ensure essential procedures are followed and contribute to defining standards
  • Integrate in-depth knowledge of applications development with overall technology function to achieve established goals
  • Provide evaluative judgement based on analysis of facts in complicated, unique, and dynamic situations including drawing from internal and external sources
  • Influence and negotiate with senior leaders across functions, as well as communicate with external parties as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards
  • Fulltime
Read More
Arrow Right

Full Stack Lead Java Architect – Senior Vice President

Citi is spearheading a critical multi-year technology initiative within the Whol...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert-level Full Stack Development: Demonstrated mastery in UI/UX design principles and tools (e.g., Figma), with extensive experience in Angular, React, and associated testing frameworks (Jest)
  • Advanced Java Ecosystem Proficiency: Deep expertise in Java, Spring Framework, Spring Boot, Spring Security, Spring Web, Spring Data, coupled with hands-on experience in Threading, Collections, Exception Handling, JDBC, OOD/OOP Concepts, and GoF Design Patterns
  • Messaging & Integration Architectures: Extensive experience with Messaging-Oriented Middleware (MoM), Service-Oriented Architecture (SOA), and Micro-services utilizing REST, with a strong understanding of Kafka and other enterprise messaging systems (e.g., RabbitMQ, ActiveMQ, IBM MQ)
  • Cloud-Native & DevOps Expertise: Proven experience in designing and implementing cloud-ready applications and deployment pipelines on large-scale container platforms (e.g., Kubernetes, Docker). Strong understanding of CI/CD environments and tools (Tekton, Harness, Jenkins, Code Quality)
  • Database Expertise: Proficient in SQL, particularly Oracle dialect, with comprehensive knowledge of database design, optimization, and integration patterns
  • Architectural & Design Principles: In-depth knowledge of industry-standard best practices, design patterns, coding standards, modularity, and prototyping
  • System Optimization & Troubleshooting: Advanced skills in debugging, performance tuning, and optimizing complex enterprise applications
  • Agile & SDLC Leadership: Thorough understanding and practical experience leading teams within the Agile SDLC framework
  • Leadership & Communication: Exceptional written and oral communication skills, with a proven ability to lead, influence, and articulate complex technical concepts to both technical and non-technical senior stakeholders
  • Financial Services Industry Experience: Extensive experience (12+ years) developing applications within the Financial Services industry is essential
Job Responsibility
Job Responsibility
  • Strategic Technical Leadership: Provide vision and strategic direction for the full stack development across Angular/React, Java, and Spring Boot ecosystems, ensuring alignment with enterprise architecture standards and business objectives
  • Architectural Design & Solutioning: Lead the detailed design and architectural blueprinting of scalable, resilient, and performant solutions, leveraging deep expertise in Java, Spring Boot, Kafka, and microservices architectures
  • Team Leadership & Management: Recruit, mentor, and manage high-performance engineering teams, fostering a culture of technical excellence, collaboration, and continuous improvement
  • Stakeholder Engagement & Management: Proactively engage with senior business stakeholders, product owners, and other technology groups to understand requirements, manage expectations, communicate progress, and influence strategic decisions
  • Hands-on Technical Guidance: Provide hands-on expertise in complex coding challenges, code reviews, and technical problem-solving
  • Quality Assurance & Standards: Champion and enforce high standards for code quality, security, and maintainability
  • Innovation & Adoption: Continuously evaluate and advocate for the adoption of new development tools, libraries, and approaches to enhance delivery quality, efficiency, and system resilience
  • Vulnerability & Security Management: Implement stringent security practices, analyze applications for vulnerabilities, and lead efforts in ensuring compliance with Citi's security policies and standards
  • Documentation & Knowledge Transfer: Oversee the creation and maintenance of comprehensive user and system documentation, architectural diagrams, and knowledge transfer processes
  • Problem Resolution & Escalation: Act as a primary escalation point for complex technical issues, exercising expert judgment to identify root causes, analyze information, and implement effective, sustainable solutions
  • Fulltime
Read More
Arrow Right

Senior Application architect

You will be focused on IT European loyalty solutions architecture, aiming to imp...
Location
Location
Poland , Warszawa
Salary
Salary:
Not provided
https://www.circlek.com Logo
Circle K
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Master’s degree in computer science, IT, engineering, system analysis or a related study
  • Minimum of 5 years experience in at least two IT solutions development disciplines
  • Experience as a JAVA software developer is a big advantage, although is not required
  • Ability to speak English at C1 level
  • Excellent written and verbal communication skills
  • Experience in multiple, diverse technologies, platforms and processing environments
  • Good understanding of product management, agile principles and development methodologies
  • Experience in working in retail is helpful, but not required
  • Practical knowledge about: JAVA, Spring, Hibernate, JUnit, NodeJS, JavaScript, TypeScript, Angular
  • SQL and no-SQL databases (PostgreSQL, SQL Server, Cosmos DB, MongoDB, Dynamo, Redis)
Job Responsibility
Job Responsibility
  • Understanding business drivers and capabilities, current state and future needs within loyalty domain
  • Translating business needs into feasible architectural blueprints, considering broad scope of Circle K products, projects, services, systems and non-functional needs
  • Leading design of solutions in close cooperation with other architects and developers
  • Documenting solutions architecture designs
  • Coding, if you want to
What we offer
What we offer
  • Annual bonus
  • Private medical care
  • Cafeteria Platform/Multisport
  • English lessons subsidized by the company
  • Group insurance
  • Attractive discounts for products and services at our stations
  • Employee stock purchase plan
  • Employee Assistance Program (Lyra)
  • Modern and convenient office
  • Trainings & possibility to develop skills in a wide international environment
  • Fulltime
Read More
Arrow Right

Senior Java Application Development Engineer - IVR Contact Center

Java Application Development Senior Engineer - IVR Contact Center - Assistant Vi...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8-12 years of experience in Java and enterprise application development
  • Hands-on experience building and supporting microservices architectures
  • Strong knowledge of REST APIs, Spring Boot, and related Java frameworks
  • Experience with cloud platforms, containers, and CI/CD pipelines
  • Java, Spring boot, Microservices, JavaScript, NodeJS, API Gateways, MongoDB with Exposure to AI/ML concepts, platforms, or model integration in applications
  • Familiarity with frontend technologies or experience collaborating with UI teams
  • Understanding of system design, performance, and basic security principles
  • Good communication skills and the ability to work effectively in agile, cross-functional teams
  • Bachelor’s degree/University degree or equivalent experience
Job Responsibility
Job Responsibility
  • Design, develop, and maintain Java-based microservices that are scalable, secure, and high performing
  • Implement RESTful APIs and integrate services with internal and external systems
  • Collaborate with architects and tech leads to implement solution designs aligned with enterprise standards
  • Contribute to cloud-native development, including containerization, configuration, and deployment of services
  • Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
  • Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
  • Has the ability to operate with a limited level of direct supervision
  • Acts as SME to senior stakeholders and /or other team members
  • Work closely with UI, QA, and product teams to deliver end-to-end features
  • Apply best practices in coding, testing, logging, and monitoring to ensure system reliability
  • Fulltime
Read More
Arrow Right

Senior Java Engineer & Architect

Location
Location
United States , Salt Lake City
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of experience in software engineering, software architecture, or a closely related role
  • Advanced proficiency in Core Java with a strong background in application design and development
  • Strong experience with Microsoft SQL and database design, querying, and performance optimization
  • Practical experience working in Linux-based environments for deployment, troubleshooting, and system support
  • Demonstrated success maintaining and improving large, established codebases in production settings
  • Experience developing desktop and web applications, including integration with third-party APIs and services
  • Excellent analytical, troubleshooting, and communication skills, with the ability to work effectively in a small-team environment
  • Ability to work independently, engage directly with users, and deliver pragmatic solutions that support long-term business needs
Job Responsibility
Job Responsibility
  • Design, develop, and refine Java-based applications that support core business processes and long-term operational goals
  • Create architectural plans that improve system scalability, maintainability, performance, and reliability across existing platforms
  • Partner with managers, end users, and IT colleagues to translate operational needs into effective technical solutions
  • Maintain and extend large, established codebases while reducing technical debt and improving application stability
  • Build and support integrations with databases, APIs, and external services to ensure smooth data flow across systems
  • Analyze workflows and recommend software enhancements that increase efficiency, accuracy, and employee productivity
  • Troubleshoot application, database, and infrastructure issues in a Linux environment and resolve problems with minimal disruption
  • Evaluate and implement appropriate technologies, including automation and AI-assisted tools, when they provide measurable business value
  • Provide project planning input, technical guidance, and user support to help ensure successful delivery and adoption of solutions
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
  • Fulltime
Read More
Arrow Right