Senior Software Engineer (.NET C#) | Lisbon
Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Oct 2, 2026. TGS scores B on the Alion truth index.
We’re looking for a Software Engineer to join our global team to be responsible for the quality, development, and execution of our software products.
You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe - Barcelona, New York, London, Manchester, Bucharest and India. If you’re ready to join a growing company and make an immediate impact, we want to hear from you!
You will be joining at TransPerfect - TechOps:
The TransPerfect TechOps team has been a vital part of the company’s success since its formation over 10 years ago - delivering technology and services that have drastically simplified the lives of our clients and colleagues - from workflow improvements for colleagues to core services that form the basis of the company’s GlobalLink platform, to creating scalable client interfaces that allow novice users to navigate complex ecosystems.
Requirements
Your responsibilities and tasks will include:
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
The minimum we’re looking for (show us what you got if you aren’t a perfect fit):
Bachelor's or Master's degree in computer science, engineering, or related field
7+ years of experience in software development, with a focus on building scalable and reliable systems
Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies
Capable to use version control software such as GIT
Knowledge of SOLID principles
Knowledge of clean code practices
Experience using web service protocols such as Rest, API design for extensibility and integration
Experience debugging complex applications
Experience with Agile development project management methodologies
Database Development in SQL Server or NoSQL Databases
Some familiarity of Docker
Experience debugging complex applications
Excellent communication and collaboration skills with a proven ability to work effectively in a team environment
Azure, AWS, RabbitMQ and Quartz experience is a plus
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