Microservices AI Senior Developer

With 75 years of experience, our focus is on helping the most vulnerable children overcome poverty and experience fullness of life. We help children of all backgrounds, even in the most dangerous places, inspired by our Christian faith.

Come join our 31,000+ staff working in nearly 100 countries and share the joy of transforming vulnerable children’s life stories!

Key Responsibilities:

IMPORTANT INFORMATION:

• All CVs should be submitted in English.
• This position is open to candidates based in countries where World Vision International is legally registered to operate.

Individuals working in an Application Developer III role work on multiple projects that may span a broad range of applications as a project team member, sometimes as a project lead.  Individuals working as a Sr. Application Developer require expertise in multiple technical environments and business knowledge that spans one or more business areas.

Individuals must be able to adjust to constant business change and as needed to proactively plan for changes that are likely to occur. Common types of changes include introduction of new organizations through mergers and acquisitions, the separation of parts of organization (as subsidiaries, or when the business changes direction), evolving goals and strategies and emerging technologies. These changes require integration of solutions that can impact the overall system development activity. Application Developers also provide client support, consultation and subject matter expertise for system development, maintenance and support.

Individuals within the Application Development job family work closely with clients, business analysts and team members to understand the business requirements that drive the analysis and design of quality technical solutions. These solutions must be aligned with business and IT strategies and are in compliance with the organization’s architectural standards. Application Developers are involved in the full systems life cycle and therefore are responsible for designing, coding, testing, implementing and supporting application software that is delivered on time and within budget. Responsibilities beyond development of software may include participation in component and data architecture design, technology planning, product evaluation, advanced testing processes and buy vs. build recommendations. Individuals also provide input to project plans related to the Application Development initiative.

Application Developers have a strong knowledge of programming languages used by the organization. They have experience in systems design and have a solid understanding of development, database development, testing, and integration methodologies.  Knowledge of current and emerging IT products, services and processes is required.

KEY RESPONSIBILITES:

PROJECT PLANNING:

• Participates in all project planning processes.
• May develop work plan timelines and manage work flows to meet project timeframes.

APPLICATION PORTFOLIO MGT:

• Works with Applications Team Lead and ‘operations team’ and architects to ensure the practical, smooth, effective application retirement which may include any data migration, planning of application de-coupling, and staging and phasing of work to ensure smooth, risk-free application retirement.

DATA REQUIREMENTS:

• Identifies better sources of data feeds and interfaces with architects to ensure their feasibility with corporate data warehouse, when needed.
• Actively participates in planning sessions with Architecture team to define, plan, analyze, implement and operationalize enterprise data model.

DESIGN:

• Identifies technical requirements.
• Creates technical design specifications and assists and reviews technical design specifications developed by junior levels.
• Act as technical design lead in specific projects.
• Strong backend engineering background.
• Distributed systems, APIs, relational databases and enterprise integration.
• Experience designing workflow-heavy or transaction-heavy systems.
• Cloud-native architecture, containers, and CI/CD.
• Modern authentication and authorization patterns.
• Strong judgment around reliability, security, observability and testing.

CODE AND TEST:

• Codes applications or enterprise-wide software systems using a disciplined development process and in accord with the company’s standard development process (SDLC).
• Integrates solutions with other applications and platforms outside the framework.
• Creates data extracts and reports from system-based requirements. 
• Develops, executes and documents test plans.
• Identify strategies to adap and manage reusable code in microservices and mono-repos (monolith or MSA).
• Ensure code quality and gradual tech debt reduction roadmap.

DEPLOYMENT:

• May lead or coordinate in the deployment of new modules, upgrades and fixes to the production environment.
• Lead complex go-lives, Micro-services migration and coordinate approach (strangler-fig, big-bang, etc)
• Makes modules production-ready by moving them to libraries, completing forms, following procedures, completing version control documents, etc.
• Ensures modules are production ready.

MAINTENANCE (BREAK/FIX):

• Provides ongoing maintenance of applications.

• Leads review sessions where patterns of development and break/fix metrics are reviewed as part of standard process for optimizing IT development processes.

PRODUCTION SUPPORT:

• Provides Level 2 and 3 production support.
• Troubleshoots existing information systems to identify errors or deficiencies and develops solutions.

PERFORMANCE MANAGEMENT:

• Evaluates existing applications and platform and provides recommendations for improving application performance by conducting gap analysis, identifying feasible alternative solutions, and assisting in the scope of modifications.
• Participates on teams that outline the process and scope out the improvements that can be realized through the application solution.

DOCUMENTATION/USER GUIDES:

• Documents functions and changes to new or modified modules and test. activities/results and other areas such as error handling and backup/recovery procedures.
• Assists in the development of user guides and training documentation for systems.
• Knowledge Management: ensures proper Institutional knowledge creation by embedding documentation in repos or code, using various artifacts.
• Contribute to coding standards and guidelines development.

STANDARDS/QUALITY:

• Adheres to standards and procedures.
• Reviews modules for quality assurance and checks compliance with applications standards and Service Level Agreements (SLAs).
• Helps to define the company’s standard development process (SDLC).
• Periodically works with Application Developer Team Lead to review and revise company’s standard development process (SDLC) in alignment with changes in corporate and business goals, and as required by IT architectural standards.

TECHNOLOGY EVALUATION AND RESEARCH:

• Evaluates new application packages and tools and perform research on best practices. 
• Coordinates with EA introduction in Standard approved technology catalogue.
• Provides recommendations for solutions.
• Proactively flag EOSL and remediation strategies.

TRAINING:

• May prepare and present formal training to IT staff, as needed.

COACHING/MENTORING:

• Provides technical coaching and mentoring to less-experienced team members.
• Provides technical guidance or system process expertise.
• Develops reports and presentations for senior management, as needed.

KNOWLEDGE, SKILL AND EXPERIENCE:

Required Education, training, license, registration, and/or Certification

• Bachelor's degree in Programming/Systems, Computer systems, Information Technology, Computer Science, Business, Enterprise Architecture, or in a related discipline. Master is an advantage.
• Additional education (e.g. MBA) or second degree in STEM field is an advantage.
• Cloud or other developer certifications desirable (AWS developer, Architect, Azure or Vendor neutral).

Required Professional Experience

• 5-7+ years of software engineering experience focused on application design, development, testing, and implementation.
• Experience building and supporting cloud-native applications and distributed systems on AWS.
• Strong experience with event-driven, serverless, and API-based architectures.
• Ability to translate business and technical requirements into scalable, maintainable solutions and development estimates.
• Willingness to travel domestically and internationally as required.

Cloud & Software Engineering

• Hands-on experience with AWS services including Lambda, API Gateway, Step Functions, DynamoDB, SQS/SNS/EventBridge, ECS/EKS, VPC, Bedrock, and other AWS technologies.
• Strong proficiency in Python and AWS SDK development.
• Experience with Node.js/TypeScript preferred; .NET knowledge is a plus.
• Understanding of observability, monitoring, concurrency, packaging, and cloud application performance optimization.

Integration & Architecture

• Experience implementing API-first and event-driven architectures.
• Knowledge of API authorization, throttling, governance, and security practices.
• Experience with integration platforms such as MuleSoft or other iPaaS solutions, including migration from legacy integration environments is a plus.
• Familiarity with distributed system design patterns including CQRS and Saga.

Data & Messaging Technologies

Experience with:

• DynamoDB data modeling, streams, and conditional writes
• Step Functions retry/catch and orchestration patterns
• SQS dead-letter queues (DLQs) and batch processing
• Event-driven messaging and asynchronous processing
• AI & Emerging Technologies
• Experience leveraging Generative AI development tools such as Claude Code, Kiro, Amazon Q, or similar AI-assisted engineering tools.
• Familiarity with AI/ML and agentic frameworks, including RAG, vector databases, NLP, NER, model serving, and classification systems.
• Ability to responsibly review, validate, and supervise AI-generated code outputs.

Delivery & Collaboration

• Experience with Test-Driven Development (TDD), contract testing, and specification-driven development.

• Experience supporting CI/CD processes including release gates, environment promotion, quality controls, and rollback procedures.

• Ability to collaborate with platform, integration, and architecture teams to assess current-state solutions and define target-state designs.

Preferred Experience,  Knowledge and/or other Qualifications

Architecture & Modernization

• Proven experience with application modernization initiatives, including microservices architectures, MACH Alliance principles, and migration from monolithic applications.
• Demonstrated ownership of current-state, target-state, and transition architectures across complex, multi-system environments.
• Broad understanding of enterprise information systems, application architecture standards, and technology governance.
• Experience designing and implementing event-driven architectures, distributed systems, and API-first solutions.
• Solid understanding of microservices decomposition, system integration patterns, orchestration, choreography, and streaming architectures.

Cloud & Platform Engineering

• Hands-on experience building and hosting solutions on AWS and/or Azure.
• Strong practical knowledge of modern cloud platforms, including:
  • Serverless architectures
  • Data integration patterns
  • Event-driven architectures
  • API management
  • Streaming technologies
  • Modern System Architecture (MSA) integration
• Experience developing solutions in cloud, private cloud, or hybrid environments.

• Experience with Infrastructure as Code (IaC), preferably Terraform.

• Experience with Azure DevOps or similar DevOps platforms.

Software Engineering & Development Practices

• Strong understanding of software development methodologies, design principles, and coding best practices.

• Ability to analyze complex technical and business problems spanning multiple domains and propose scalable solutions.

• Ability to gather, interpret, and translate requirements into effective technical designs.

• Experience building and maintaining CI/CD pipelines and automated deployment processes.

• Knowledge of software testing frameworks, testing libraries, and quality engineering practices.

• Full-stack development experience is considered a plus.

Data & Database Technologies

• Strong understanding of SQL and NoSQL databases, including data modeling, optimization, performance tuning, and query performance analysis.
• Experience working with complex enterprise data environments and multi-system integrations.

AI & Generative AI Engineering

• Experience delivering AI/ML and Generative AI solutions, including:
  • Retrieval-Augmented Generation (RAG)
  • Retrieval pattern
  • Model evaluation and testing
  • Model deployment and monitoring
  • AI observability and governance controls
• Experience utilizing cloud-native and cloud-agnostic AI technologie
• Experience using GenAI-assisted development tools and collaborating with development teams that leverage AI-assisted engineering practices.

Delivery, Collaboration & Leadership

• Experience working independently while coordinating effectively across cross-functional development teams.
• Ability to contribute to modernization programs involving:
  • Microservices adoption
  • Serverless transformation
  • Application modernization
  • Integration modernization
• Experience collaborating with business and technical stakeholders to define future-state architectures and transformation roadmaps.

Required Language(s)

• Effective in written and verbal communication in English

Required travel and/or work environment accommodations

• Willingness to travel domestically and internationally as required
  

Applicant Types Accepted:

Local and International Applicants (IA's) Accepted