Senior Frontend Developer

KPG99 INC; Buffalo (NY); Hybrid; USD 110,000 - 150,000; Full time

Job summary

KPG99 INC in Buffalo, NY is seeking a Senior Angular Developer to own the UI/frontend workstream end-to-end. This hands-on role focuses on Angular/UI, with collaboration across backend Python microservices, QA, and DevOps.

The ideal candidate has 7+ years of experience, strong Angular expertise, and a track record of delivering enterprise-grade web applications. We offer a hybrid work arrangement: up to 4 weeks remote at the start, then onsite full-time, with a strong focus on code quality,

Qualifications

• 7+ years of professional software/web development experience.
• Extremely strong, hands‑on Angular experience.
• Strong experience with the latest stable versions of Angular and modern development practices.
• Deep understanding of Angular application architecture.

Responsibilities

• Take end-to-end ownership of the Angular/UI workstream.
• Develop enterprise-grade web applications using the latest stable version of Angular.
• Maintain awareness of Angular features, APIs, architecture, and practices.
• Translate requirements into production-ready Angular applications.
• Build reusable, scalable Angular components.
• Implement routing, forms, validation, services, and DI.
• Develop responsive, accessible enterprise UIs.
• Troubleshoot Angular/UI issues and drive resolution.
• Participate in frontend architecture decisions.
• Continuously modernize Angular apps as the framework evolves.

Skills

Angular

UI Development

REST APIs

Unit Tests

JIRA

GitLab

Frontend Architecture

CI/CD

Tools

GitLab CI/CD

JIRA

Git

REST Interfaces

Job description

Location : Buffalo NY (Hybrid role -3 days a week)

Contract : 6-12 Months

Interview : Video

We urgently need a Senior Angular Developer for Buffalo NY for our Financial/Banking client.

Senior Angular Developer

Position Overview

We are seeking an extremely strong, hands‑on Angular Developer with 7+ years of professional experience to take end-to-end ownership of the application's UI/frontend workstream.

This is a pure Angular/UI-focused position.

The developer will own the frontend/UI implementation, track UI work through JIRA, write and maintain unit test cases, manage source code through GitLab, and work closely with a separate backend team responsible for Python-based microservices and APIs.

Experience with AI-assisted development and GitLab Duo is a plus.

Work Arrangement

• Up to 4 weeks of remote work is permitted at the beginning of the engagement.
• After the initial 4-week period, the position will be fully onsite.
• Candidates must be willing and able to work onsite full-time after the initial remote period.

Key Responsibilities

Angular / UI Development

• Take end-to-end ownership of the Angular/UI workstream.
• Develop enterprise-grade web applications using the latest stable version of Angular.
• Maintain strong awareness of current Angular features, APIs, architecture, and recommended development practices.
• Translate business requirements, functional specifications, and UI/UX designs into production-ready Angular applications.
• Build reusable, scalable, maintainable, and high-quality Angular components.
• Implement Angular routing, forms, validation, services, dependency injection, and UI workflows.
• Develop responsive and accessible enterprise user interfaces.
• Troubleshoot complex Angular/UI issues and drive them through resolution.
• Participate in frontend architecture and technical design decisions.
• Continuously modernize and improve Angular applications as the framework evolves.

Requirements-to-Code Ownership

• Analyze requirements and independently determine the appropriate Angular implementation.
• Convert requirements into UI components, workflows, screens, and technical tasks.
• Identify requirement gaps and clarify functional expectations with product and business teams.
• Estimate UI development effort and track work through completion.
• Take responsibility for delivering complete, production-ready functionality.
• Ensure the implementation accurately reflects business requirements and UX expectations.

JIRA & Work Tracking

• Manage and track UI development activities using JIRA.
• Break requirements into actionable development tasks and subtasks.
• Provide estimates and maintain accurate task status.
• Track UI dependencies, blockers, defects, risks, and integration issues.
• Maintain clear visibility into UI progress and deliverables.
• Proactively identify issues that may impact delivery timelines and drive them toward resolution.
• Coordinate UI activities with product, UX/UI, QA, backend, and DevOps teams.

Unit Testing & Quality

• Develop comprehensive unit test cases for Angular applications.
• Create tests covering functional, negative, edge, and error scenarios.
• Maintain and improve unit-test coverage.
• Ensure new Angular functionality is adequately tested before delivery.
• Troubleshoot failing tests and resolve defects.
• Participate in code reviews and maintain high standards for code quality and maintainability.

GitLab

• Use GitLab for source control and collaborative development.
• Follow appropriate branching, commit, merge request, and code-review practices.
• Create and manage merge requests for Angular changes.
• Resolve merge conflicts and maintain clean source-control practices.
• Work with established GitLab CI/CD processes where applicable.

AI-Assisted Development

• Experience using AI-assisted development tools to improve developer productivity and code quality is preferred.
• Experience with GitLab Duo is a strong plus.
• Use AI-assisted tools appropriately for activities such as:
• Review and validate AI-generated code to ensure it meets application architecture, security, quality, and coding standards.
• Work closely with the backend team responsible for Python-based microservices.
• Integrate Angular applications with REST APIs and backend services.
• Understand API contracts, request/response structures, authentication requirements, and service dependencies.
• Collaborate with backend developers to ensure APIs adequately support frontend requirements.
• Track frontend/backend dependencies and proactively resolve integration blockers.
• Coordinate with backend developers when API changes impact the Angular application.
• Troubleshoot UI/API integration issues jointly with the backend team.
• Use mock or test APIs when backend services are not yet available.

Production Support

• Take ownership of Angular/UI issues from identification through resolution.
• Troubleshoot production UI and API integration issues.
• Work with backend, QA, DevOps, and product teams to resolve end‑to‑end issues.
• Support application releases and post-release UI validation.
• Continuously improve UI quality, performance, usability, and maintainability.

Required Qualifications

• 7+ years of professional software/web development experience.
• Extremely strong, hands‑on Angular experience.
• Strong experience with the latest stable versions of Angular and modern Angular development practices.
• Deep understanding of Angular application architecture.
• Strong experience with Angular components, services, routing, forms, validation, dependency injection, and lifecycle management.
• Proven ability to convert requirements directly into production‑quality Angular code.
• Strong experience building enterprise‑scale Angular applications.
• Strong HTML and CSS skills for professional UI development.
• Experience integrating Angular applications with REST APIs.
• Experience working with backend teams and microservices‑based applications.
• Strong experience creating and maintaining Angular unit tests.
• Hands‑on experience with JIRA.
• Hands‑on experience with GitLab, including merge requests and collaborative development.
• Strong debugging and problem‑solving skills.
• Excellent communication and collaboration skills.
• Demonstrated ability to independently own and deliver UI work from requirements through production.

Preferred Qualifications

• Experience with GitLab Duo or similar AI‑powered developer tools.
• Experience using AI for code generation and unit‑test generation.
• Experience integrating Angular applications with Python‑based microservices.
• Experience with Angular Material or other Angular UI component libraries.
• Experience with automated UI testing.
• Experience with GitLab CI/CD.
• Experience with enterprise application development.
• Experience mentoring other Angular developers.
• Experience modernizing applications to newer Angular versions.