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Avensys Consulting

Full Stack Engineer

On site

London, United kingdom

Freelance

27-01-2026

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Skills

Communication GraphQL CI/CD Docker Kubernetes Jenkins Problem-solving Attention to detail Architecture Cloud Architecture Databases react Front-end Development Back-end Development AWS Agile Spring Next.js Spring Boot CI/CD Pipelines

Job Specifications

Job title: Full-Stack Lead

Location: Holborn, UK (Hybrid for 3days/week)

Job type: FTC for 6months

We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The ideal candidate should have expertise in front-end development using React and Next.js, as well as proficiency in back-end development with Spring Boot, GraphQL, and Velocity scripts. Additionally, hands-on experience with AWS and continuous integration using Jenkins is crucial for success in this role.

Mandatory Skills: React and Next.js, Spring Boot, GraphQL, and Velocity scripts

Key Responsibilities:

Front-End Development:

Develop and maintain responsive and user-friendly web applications using React and Next.js.

Collaborate with UI/UX designers to implement design specifications and ensure a seamless user experience.

Back-End Development:

Design, implement, and maintain server-side components using Spring Boot for efficient and scalable solutions.

Implement GraphQL for optimized API interactions and data fetching.

Database Integration:

Integrate databases and ensure data security and integrity.

Optimize database queries and performance to enhance overall application efficiency.

API Development:

Develop and maintain RESTful APIs for seamless communication between the front-end and back-end systems.
Implement GraphQL APIs for enhanced data querying capabilities.

Velocity Scripts:

Utilize Velocity scripts to enhance server-side rendering and dynamic content generation.

Cloud Services:

Deploy and manage applications on AWS, utilizing services such as EC2, S3, Lambda, and more.
Implement best practices for security and scalability in cloud environments.
Continuous Integration/Continuous Deployment (CI/CD):

Set up and maintain CI/CD pipelines using Jenkins for automated testing and deployment.
Ensure code quality and perform regular code reviews.

Collaboration and Communication:

Collaborate with cross-functional teams, including UI/UX designers, product managers, and QA engineers.
Communicate effectively with team members and stakeholders to gather requirements and provide updates on project status.

Qualifications:

Bachelor’s degree in computer science, Software Engineering, or a related field.
Proven experience as a Full Stack Developer with a focus on React, Next.js, Spring Boot, and GraphQL.
Strong proficiency in front-end and back-end technologies.
Experience with Velocity scripts and API development.
Familiarity with AWS services and cloud architecture.
Hands-on experience with Jenkins and CI/CD pipelines.
Strong problem-solving skills and attention to detail.

Preferred Skills:

Familiarity with containerization technologies such as Docker and orchestration with Kubernetes.
Knowledge of agile development methodologies.
Experience with performance optimization and troubleshooting.
If you are a passionate Full Stack Developer looking to contribute to cutting-

edge projects in a collaborative environment, we encourage you to apply. Join our team and be a part of creating innovative solutions that push the boundaries of technology.

About the Company

Avensys Consulting is a trailblazing IT consulting company, headquartered in Singapore, with offices around the world. It is dedicated to providing cutting-edge technology-enabled solutions and unparalleled Talent and Recruitment Services to clients across the world. Since its inception in 2007, Avensys has solidified its position as a trusted partner, guiding numerous organizations on their transformative IT journey. With us, your vision becomes our mission and your success becomes our sole purpose. Our in-depth technical... Know more