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Typescript Junior Developer Jobs in Virginia (NOW HIRING)

Halvik

Lead Developer

Vienna, VA · On-site

$165K - $175K/yr

Support Jr. developers. Ensure code quality through code reviews. Troubleshoot Production issues ... Strong Front end expertise to build project platforms using TypeScript to develop rich User ...

Leidos

Software Developer SME

Chantilly, VA · On-site

$154K - $278K/yr

... and Angular (Typescript) that leverage Elasticsearch o Comfort and familiarity designing and ... teach junior developers' community best practices in a constructive fashion o Ability to ...

Leidos

Software Developer SME

Chantilly, VA · On-site

$154K - $278K/yr

... teach junior developers' community best practices in a constructive fashion o Ability to ... Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web ...

ShortList Recruitment Limited

$121K - $159K/yr

Guide junior developers and communicate clearly with technical and non\-technical stakeholders. \n ... Expertise in React, TypeScript, Go, PostgreSQL, Git\/GitHub, AWS, and CI\/CD . \n * Strong problem ...

SAIC

Mobile Developer Senior

Ashburn, VA

$160K - $200K/yr

Mentor junior developers in React Native. * Keep up to date with React Native technology updates ... Typescript. * Constructing and debugging CI/CD build Pipelines for mobile targets. * Understanding ...

Hyphen Connect Limited

$128K - $168K/yr

Conduct code reviews and provide mentorship to junior developers. Required skills: * Proficiency in Solidity and TypeScript. * Strong understanding of Ethereum Virtual Machine (EVM) internals.

Kanak Elite Services Inc

$58.25 - $74.25/hr

... TypeScript, HTML5, CSS3 • Solid backend experience using JDBC, JPA/Hibernate, and SQL. • ... to mentor junior developers and participate in code reviews. • Strong communication skills ...

SprezzMC

Java Developer

Arlington, VA · On-site

$105K - $125K/yr

Participate in code reviews and mentor junior developers * Contribute to automated testing, CI/CD ... Experience with React, JavaScript, or TypeScript * Experience supporting federal government or VA ...

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Typescript Junior Developer information

What are some typical challenges faced by a Typescript Junior Developer when working on cross-functional teams?

As a Typescript Junior Developer, you may often collaborate with back-end developers, designers, and QA testers. One common challenge is ensuring consistent code quality and type safety when integrating with legacy JavaScript code or third-party APIs. Additionally, adapting to different coding styles and workflows used by more experienced team members can require patience and strong communication skills. However, these challenges provide valuable learning opportunities and help you quickly build technical and collaborative expertise.

What are the key skills and qualifications needed to thrive as a Typescript Junior Developer, and why are they important?

To thrive as a Typescript Junior Developer, you need a solid understanding of JavaScript, TypeScript, and basic web development concepts, often supported by a degree in computer science or related experience. Familiarity with version control systems like Git, frameworks such as React or Angular, and tools like Node.js and Visual Studio Code is typically expected. Strong problem-solving skills, attention to detail, and a willingness to learn make candidates stand out in this position. These skills and qualities are crucial for writing reliable, maintainable code and adapting to evolving project requirements in a collaborative environment.

What does a TypeScript Junior Developer do?

A TypeScript Junior Developer is an entry-level programmer who specializes in using TypeScript, a strongly typed programming language that builds on JavaScript. Their main responsibilities include writing and maintaining code, debugging applications, and collaborating with other developers to build web or server-side applications. They often work under the guidance of more experienced developers to learn best practices and improve code quality. TypeScript Junior Developers contribute to making software more reliable and scalable by leveraging TypeScript's features.
What are popular job titles related to Typescript Junior Developer jobs in Virginia? For Typescript Junior Developer jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Typescript Junior Developer jobs in Virginia look for? The top searched job categories for Typescript Junior Developer jobs in Virginia are:
What cities in Virginia are hiring for Typescript Junior Developer jobs? Cities in Virginia with the most Typescript Junior Developer job openings:
Typescript Junior Developer jobs near you
Lead Developer

Lead Developer

Halvik

Vienna, VA • On-site

$165K - $175K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!
Position Overview
Lead and provide solutions supporting front-end requirements, with knowledge of backend technology. Capable of coordinating and delivering user interface and experience across USPTO for Patent Center modules. Ability to lead design meetings, understand complex architectures and integrations. Support Jr. developers. Ensure code quality through code reviews. Troubleshoot Production issues and provide resolution in a timely manner. Provide off hours support on rotating basis.
Work with USPTO Product Managers and UX designers to translate requirements and business objectives into complete user interfaces. Led UI/UX design and development, user sessions, wireframes, 508 compliance, browser compatibility, coding.
Core Responsibilities
  • Operational Oversight: Leading and supporting other developers.
  • Collaboration: Work with clients, key stakeholders, as well as cross functional teams.
  • Technical Performance: Strong Front end expertise to build project platforms using TypeScript to develop rich User Interfaces. Designs wireframes based on Bootstrap 5 designed for Angular. Use Angular forms to build reactive forms. Ensures the application is covered with unit tests, and is 508 compliant. Experience with Full stack software engineering, such as JAVA/J2EE technologies. Knowledge of cloud architecture and AI technology using continuous integration and delivery methodologies.

Minimum Requirements
  • Education: Bachelor's Degree in Computer Science, IT, or related field experience
  • Experience: 10+ years
  • Backend knowledge of Java, Spring Boot and Node.js integration
  • Modern JavaScript & TypeScript: Fluency in Angular 18+, asynchronous patterns (Promises, async/await), closures, event loops, and this binding. Strong TypeScript capability, including generics and utility types.
  • HTML5 & DOM API: Deep understanding of semantic HTML and the browser's rendering pipeline.
  • CSS & Layouts: Mastery of responsive design using Flexbox and CSS Grid, along with modern features like CSS Container Queries.
  • Framework Expertise: Proficiency with Angular. Candidates must understand framework-specific rendering lifecycles (e.g., avoiding unnecessary re-renders). Proficiency in understanding State Management
  • Accessibility Standards: Ability to use semantic HTML, WAI-ARIA attributes, and manage focus for keyboard navigation. Custom control accessibility is also critical
  • Web Security: Preventing Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and implementing secure authentication patterns (e.g., HTTP-only cookies vs. Local Storage).
  • Troubleshooting expertise: Strong Angular troubleshooting requires deep debugging of change detection, RxJS, routing, forms, performance, builds, and API issues, plus clear triage, root-cause analysis, and effective communication of fixes.
  • Testing Strategies: Unit, integration, and End-to-End (E2E) testing using tools like Jest, Vitest. Candidates should understand what and how to test behaviors instead of implementation details.
  • System Design Reasoning: Ability to decompose complex UI problems, define API interfaces, and plan for data models before writing code
  • Compliance: Must be eligible to obtain and maintain Public Trust

Preferred Expertise
  • Understanding of AWS architecture and AI technologies

Halvik offers a competitive full benefits package including:
Company-supported medical, dental, vision, life, STD, and LTD insurance
Benefits include 11 federal holidays and PTO
Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
401(k) with company matching
Flexible Spending Accounts for commuter, medical, and dependent care expenses
Tuition Assistance
Charitable Contribution matching
Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Halvik's pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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