Senior C# .NET Backend Engineer | Scalable, Secure Systems

Jackalope Digital LLC; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

TransPerfect – TechOps is seeking a Senior Software Engineer to drive the quality, development, and execution of our software products. You will join a global technology team across London, New York, Barcelona, and more, contributing to scalable backend systems and secure, efficient APIs.

Responsibilities include coding, debugging, collaborating with cross-functional teams, and mentoring junior engineers while staying current with industry trends to improve our infrastructure.

Qualifications

• 8+ years of professional software development experience.
• Strong knowledge of .NET, C#, and related technologies.
• Experience with scalable backend systems.
• Familiarity with cloud platforms (Azure/AWS).
• Knowledge of security best practices.
• Experience with Agile methodologies.
• Excellent communication and collaboration skills.
• Experience with Docker and Git.
• Experience with SQL databases.

Responsibilities

• Engage in all phases of application development with a focus on coding and debugging in alignment with security standards throughout the entire lifecycle.
• Design, build, and maintain efficient, reusable, and reliable code/APIs to support applications both for web and mobile.
• Collaborate regularly in a cross-functional team made up of product managers, quality assurance teams, designers and other developers to translate business requirements into technical solutions.
• Collaborate with Front-end developers to integrate user-facing elements with server-side logic.
• Identify bottlenecks and bugs, and devise solutions to mitigate and address issues.
• Optimize web applications for performance, scalability and security.
• Implement security best practices to safeguard sensitive data and protect against potential threats.
• Develop automation tests/ collaborate with automation engineers to ensure business needs are met, and allow for regression testing.
• Work closely with users to provide personalized software support as needed.
• Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure.
• Document application support and operational procedures.
• Mentor junior engineers and provide technical guidance to foster their growth and development.

Skills

C#

LINQ

MS SQL

Entity Framework

REST API design

SOLID principles

Clean code

Git

Agile

Azure

AWS

Docker

RabbitMQ

Quartz

Communication

Education

Bachelor's or Master's degree in Computer Science/Engineering

Tools

Docker

Azure

AWS

Job description

TransPerfect – TechOps is seeking a Senior Software Engineer to drive the quality, development, and execution of our software products. You will join a global technology team across London, New York, Barcelona, and more, contributing to scalable backend systems and secure, efficient APIs.

Responsibilities include coding, debugging, collaborating with cross-functional teams, and mentoring junior engineers while staying current with industry trends to improve our infrastructure.