Sr. Fullstack Developer

As a Fullstack Developer at Halo, you will own the end-to-end development of applications, from frontend interfaces to backend services. You will play a critical role in delivering scalable and high-quality solutions for client projects, combining strong technical expertise with a high level of ownership and autonomy.
Key Responsibilities
End-to-End Development
Design and implement both frontend and backend services
Build scalable and maintainable fullstack applications
Ensure seamless integration between UI and backend systems
Front-end Development: Creating responsive, user-facing features using HTML, CSS, and modern JavaScript frameworks like React, Angular, or Vue.
Back-end Development: Building server-side logic, APIs, and microservices using languages such as Python, Java, Next.Js, Node.js.
Database Management: Designing, optimizing, and managing databases (SQL or NoSQL) to ensure data integrity and performance.
System Architecture: Developing end-to-end systems, managing API integration, and ensuring system security.
Testing and Deployment: Handling debugging, troubleshooting, automated testing, and deploying applications using CI/CD tools.
Collaboration: Working within Agile teams to plan, develop, and deploy software alongside designers and product managers.
2. Product & Technical Collaboration
Translate business requirements into full technical solutions
Contribute to product and architecture decisions
3. Code Quality & Ownership
Write clean, efficient, and reusable code across the stack
Participate in code reviews and enforce best practices
Maintain documentation and technical standards
4. Performance & Scalability
Optimize application performance across frontend and backend
Troubleshoot and resolve issues across the full stack
Ensure system reliability and scalability
Qualifications
10+ years of experience as a Fullstack Developer, with strong specialization in the MEAN stack (MongoDB, Express.js, Angular, Node.js).
Strong experience with Angular for frontend development and Node.js with Express.js for backend systems.
Experience working with APIs and databases
Familiarity with cloud platforms
Strong system thinking and problem-solving skills
Experience working in agile environments
High ownership, autonomy, and ability to manage end-to-end delivery
Clear verbal and written communication with both technical and non-technical audiences
Ability to explain technical decisions and trade-offs in simple terms
Problem solving and analytical thinking in ambiguous situations
Ability to estimate, plan and meet commitments, raising deviations early
Mentoring and developing junior and mid-level developers
Effective delegation: distributes work and trusts the team, without micromanaging
Conflict management and handling of difficult conversations
Giving constructive feedback and following up on performance
Stakeholder and client expectation management
Ability to negotiate scope, timelines and priorities
Benefits:
100% Remote.
Salary in USD.
International and collaborative environment.
Paid Time Off.

Work arrangement
Yes