Senior Software Engineer at TES Global

TES Global; Sheffield; Hybrid; GBP 48,000 - 80,000; Full time

Benefits offered by this job

25 days annual leave rising to 30

5% pension after probation

State of the art offices

Free eye care cover

Life Assurance

Cycle to Work Scheme

EAP (Employee Assistance Programme)

Quarterly Tes Socials

Learning and Development menu

Job summary

TES Global in Sheffield is seeking a Senior Software Engineer to design and deliver scalable software across front-end and back-end technologies within an Agile team. You will mentor others and contribute to engineering best practices.

The role is hybrid (3 days in the office), permanent, with a salary up to £80,000 per annum, reflecting a strong focus on growth, collaboration, and delivering high‑quality EdTech solutions for schools worldwide.

Qualifications

• Proficiency in at least two of JavaScript, Java, PHP, C#, or .NET.
• Experience building and consuming REST APIs.

Responsibilities

• Design and deliver high-quality, scalable software across front-end and back-end frameworks.
• Lead by example in applying solid engineering principles and best practices.
• Actively participate in Agile ceremonies and drive continuous improvement.
• Conduct and guide high-quality code reviews, including complex changes.
• Take ownership of deploying code across environments and releasing to production.
• Collaborate with QA to define and improve testing strategies.
• Mentor and support engineers across the team.

Skills

JavaScript

Java

PHP

C#

REST APIs

Design patterns

Relational databases

NoSQL databases

Mentoring

Communication

Job description

Overview

Apply for Senior Software Engineer at TES Global in Sheffield, ENG, GB. This full‑time, on‑site position offers great opportunities for career growth. Job Title: Senior Software Engineer Department: Technology Location: Sheffield Working Pattern: Hybrid, includes 3 days each week in the office Contract Type: Full time, permanent Salary: Up to £80,000 per annum At Tes we are on a mission to power schools and enable great teaching worldwide, by delivering EdTech solutions that give educators the tools to succeed. From safeguarding and compliance to staff and pupil management, our innovative and flexible software and services help teachers and school leaders worldwide to provide the best education to millions of children. With more than 13 million educators in our community, combined with our working relationships with 25,000 schools in over 100 countries, we have been making a difference for over 100 years.

We are undergoing an exciting transformation within our Product Development and are seeking a Senior Software Engineer to join us in the next phase of our journey. You will be joining an evolving Agile team that includes Scrum Masters, Product Managers, Quality Assurance, and fellow Engineers. You will work in an open, respectful, and collaborative environment that values transparency, continuous improvement, and learning, while playing a key role in designing, building, and delivering scalable, high‑quality software. You will also mentor others and contribute to engineering best practices across the team.

Key Responsibilities

• Design and deliver high‑quality, scalable software using modern front‑end and back‑end frameworks
• Lead by example in applying sound engineering principles and best practices
• Actively participate in Agile ceremonies and drive continuous improvement
• Conduct and guide high‑quality code reviews, including complex changes
• Take ownership of deploying code across environments and releasing to production
• Collaborate closely with QA Engineers to define and improve testing strategies (unit, integration, functional)
• Proactively monitor, troubleshoot, and resolve system issues to improve reliability and observability
• Mentor and support engineers across the team, fostering knowledge sharing
• Ensure secure coding practices and respond to security incidents when required
• Communicate effectively with both technical and non‑technical stakeholders

Essential Skills

• Proficiency in at least two of the following: JavaScript, Java, PHP, C#, or other .NET languages
• Strong understanding of design patterns and hexagonal architecture
• Hands‑on experience building and consuming REST APIs and using API documentation tools
• Solid knowledge of both relational and NoSQL databases
• Excellent communication skills with the ability to clearly explain technical concepts
• Proven experience mentoring or guiding other engineers

Desirable Skills

• Experience working with microservices, Docker, and Kubernetes
• Familiarity with CI/CD pipelines and delivery practices
• Exposure to feature toggling, A/B testing, and release strategies
• Understanding of security best practices and vulnerability identification
• Experience contributing to architectural design and system‑level thinking

Benefits

• 25 days annual leave rising to 30
• 5% pension after probation
• State of the art offices
• Access to a range of benefits via My Benefits World
• Free eye care cover
• Life Assurance
• Cycle to Work Scheme
• EAP (Employee Assistance Programme)
• Quarterly Tes Socials
• Access to an extensive Learning and Development menu

Who are Tes?

Tes is a global Edtech leader, on a mission to empower schools and educators to deliver impactful, inspiring learning experiences worldwide. We understand the unique challenges faced by schools, and our ecosystem is specifically designed to address these needs head‑on. Our intuitive technology streamlines complex tasks, enhances learning experiences, and alleviates the administrative burdens that often overwhelm schools. By working closely with schools, we provide up‑to‑date resources, expert guidance, and a technology ecosystem dedicated to innovation and excellence in education. Whether simplifying administrative workflows, creating dynamic classrooms, or advancing professional development, Tes is the trusted partner for schools worldwide. Join the hundreds of schools already benefiting from the Tes ecosystem. Together, we empower educators to achieve more, ensuring every student thrives in a supportive, well‑managed learning environment. With Tes, excellence in education is not just a goal – it’s a sustainable and rewarding reality.

For more information about Tes, our products, and our team, visit: www.tes.com.