Senior Full-Stack Tech Lead | Next.js, AWS & PostgreSQL

Welocity; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Welocity in London is seeking a Senior Full Stack Developer to design, build, and maintain scalable solutions using Next.js, PostgreSQL, and AWS Lambda. You will lead projects, collaborate with cross‑functional teams, and drive best practices across the development lifecycle.

The role emphasizes mentoring junior developers, delivering robust APIs, and staying ahead of evolving technologies to ensure high quality software delivery in a fast‑paced environment.

Qualifications

• Proven experience as a Senior Full Stack Developer with Next.js, PostgreSQL, and AWS Lambda.

Responsibilities

• Lead the design, development, and deployment of scalable and maintainable full-stack applications.
• Collaborate with cross-functional teams to define, design, and ship new features and enhancements.
• Mentor and guide junior developers, fostering a culture of continuous learning and improvement.
• Ensure the performance, quality, and responsiveness of applications through testing and debugging.
• Implement and manage AWS Lambda functions and services for cloud-based applications.
• Optimize database performance and ensure data integrity using PostgreSQL.
• Develop and maintain server-side logic, including integration of front-end elements.
• Stay updated with emerging technologies and industry trends, integrating them into operations.

Skills

Next.js

PostgreSQL

AWS Lambda

JavaScript

HTML/CSS

Git

RESTful APIs

Agile methodologies

DevOps

Team collaboration

Education

Bachelor's degree in Computer Science

Tools

Git

Job description

Welocity in London is seeking a Senior Full Stack Developer to design, build, and maintain scalable solutions using Next.js, PostgreSQL, and AWS Lambda. You will lead projects, collaborate with cross‑functional teams, and drive best practices across the development lifecycle.

The role emphasizes mentoring junior developers, delivering robust APIs, and staying ahead of evolving technologies to ensure high quality software delivery in a fast‑paced environment.