Senior Backend Developer

Placements24; London Borough of Newham; Hybrid; GBP 75,000 - 115,000; Full time

Benefits offered by this job

Hybrid work model

Medical insurance

Dental insurance

Vision insurance

Paid time off

Career development

Team culture

Job summary

Placements24 in East London is seeking a Senior Backend Developer to join our dynamic engineering team. You will design, develop, and maintain scalable server-side applications and APIs powering core products in a hybrid work environment.

You will work with frontend colleagues, product managers, and other stakeholders to deliver robust software, apply security best practices, and continuously improve performance.

Qualifications

• 5+ years of backend development experience.
• Bachelor's degree or equivalent practical experience.
• Strong knowledge of Java, Python, C#, or Go.
• Experience with relational and NoSQL databases.
• Familiarity with REST/GraphQL and microservices.
• Experience with cloud platforms and containers is a plus.

Responsibilities

• Design, develop, and maintain backend services and APIs.
• Optimize performance and scalability.
• Write clean, tested code and participate in reviews.
• Collaborate with frontend, product, and stakeholders.
• Ensure security and data protection.
• Troubleshoot production issues.

Skills

Backend development

Code reviews

Team collaboration

Problem solving

Security best practices

Education

Bachelor's degree or equivalent

Tools

PostgreSQL

MySQL

REST

GraphQL

AWS

Docker

Kubernetes

Job description

About the Role

Our client is seeking a proficient Senior Backend Developer to join their dynamic engineering team. This role, located in East London , offers a hybrid work model, blending in-office collaboration with remote flexibility. You will be responsible for designing, developing, and maintaining scalable and efficient server-side applications and APIs that power our core products. This is an exciting opportunity for a seasoned developer to contribute to innovative projects, influence technical direction, and work within a supportive environment that encourages continuous learning and professional growth.

Key Responsibilities

• Design, develop, and implement robust backend services and APIs using modern programming languages and frameworks (e.g., Java, Python, Node.js).
• Optimize application performance, database queries, and system architecture for scalability and reliability.
• Write clean, well-tested, and maintainable code, participating actively in code reviews.
• Collaborate with front-end developers, product managers, and other stakeholders to define and deliver software solutions.
• Implement security and data protection measures within the backend systems.
• Troubleshoot and resolve complex technical issues in development and production environments.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of professional experience in backend development.
• Strong proficiency in one or more backend programming languages (e.g., Java, Python, C#, Go).
• Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases.
• Solid understanding of API design principles (REST, GraphQL) and microservices architecture.
• Familiarity with cloud platforms (AWS, Azure, GCP) and containerization technologies is a plus.

Benefits

• Competitive salary and performance-based bonuses.
• Hybrid work model promoting work-life balance.
• Comprehensive medical, dental, and vision insurance plans.
• Generous paid time off and company holidays.
• Opportunities for professional development, training, and career advancement.
• A collaborative and innovative team culture in East London .