Senior Software Engineer in Manchester
Senior Software Engineer

Senior Software Engineer in Manchester

Manchester Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead technical initiatives and develop high-quality software with a focus on innovation.
  • Company: Join Interact, a dynamic tech company connecting millions globally.
  • Benefits: Enjoy 25 days leave, gym membership, and health perks.
  • Why this job: Make a real impact by empowering employees to share ideas and spark change.
  • Qualifications: 5+ years in software development with expertise in C#, ReactJS, and API-first backends.
  • Other info: Collaborative culture with excellent growth opportunities and a focus on continuous learning.

The predicted salary is between 36000 - 60000 £ per year.

Interact provides enterprise-grade intranet software that connects over three million employees to leading global names like Levi's, Domino’s, Teva Pharmaceuticals, and Technicolor. Our team of customer-focused problem solvers are passionate about helping organizations to communicate better. We do this together by constantly working to improve every service and product we offer. With offices in Manchester, New York, Dubai, Tulsa, Warsaw and Manila, we operate across North America, EMEA, and Australia.

We’re on the lookout for a talented Senior Software Engineer to join our mission-driven Sideways6 squad. If you’re passionate about building scalable, secure, and intuitive software that empowers employees to share ideas and spark change, this is your chance to make a real impact. You’ll lead technical initiatives, collaborate across teams, and help shape the future of our platform — all while working in a culture that values innovation, purpose, and people.

A little about you...

  • 5+ years of experience in software development, especially with API-first backends and ReactJS frontends.
  • Proven track record in building scalable, high-performance web applications.
  • Strong experience with C#, ASP.NET, .NET frameworks, ReactJS, Node.js, and SQL Server.
  • Familiarity with Docker, Agile/Scrum environments, and cross-functional collaboration.
  • Expert in OOP, design patterns, and SOLID principles.
  • Strong grasp of data structures and algorithms.
  • Proficient in Git (Bitbucket), ElasticSearch, Redis, and AWS.
  • Experience with CI/CD tools (TeamCity, Octopus Deploy).
  • Skilled in test automation (Playwright).
  • Comfortable using Atlassian tools (Jira, Confluence).
  • Strong leadership and mentoring capabilities.
  • Excellent problem-solving and communication skills.
  • Proactive, detail-oriented, and passionate about technology.
  • Collaborative and adaptable in fast-paced environments.
  • Strategic thinker with a drive for innovation and improvement.

About the role...

  • Technical Leadership
  • Design and develop high-quality software using our tech stack: C#, ASP.NET, ReactJS, Node.js, and SQL Server.
  • Lead architectural discussions and influence technical direction.
  • Apply best practices including SOLID principles and design patterns.
  • Optimize performance for scalability and reliability.
  • Conduct code reviews and uphold coding standards.
  • Mentor junior engineers and promote knowledge sharing.
  • Collaborate with UX/UI, QA, and DevOps teams to deliver cohesive solutions.
  • Maintain automated tests using Playwright.
  • Manage source control with Git (Bitbucket).
  • Use CI/CD pipelines (TeamCity, Octopus Deploy) for efficient delivery.
  • Troubleshoot complex issues and drive resolution.
  • Stay current with emerging technologies and evaluate their relevance.
  • Champion secure coding practices and collaborate with security teams.
  • Project Leadership
    • Lead planning and execution of software projects aligned with Sideways6’s goals.
    • Partner with Product and Delivery Managers to define scope and deliverables.
    • Identify and mitigate technical risks.
    • Oversee full-stack development and ensure timely delivery.
  • Mentorship and Team Development
    • Support the growth of junior engineers through coaching and training.
    • Foster a collaborative, inclusive, and learning-focused team culture.
    • Facilitate workshops and knowledge-sharing sessions.
  • Quality Assurance
    • Advocate for robust testing practices (unit, integration, E2E).
    • Collaborate with QA to ensure test coverage and performance optimization.
    • Uphold security and reliability standards.
  • Collaboration and Communication
    • Work with designers to implement accessible, user-friendly interfaces.
    • Ensure seamless integration between front-end and back-end components.
    • Communicate technical concepts clearly to non-technical stakeholders.
    • Continuously improve development workflows and team practices.
  • Continuous Learning and Improvement
    • Stay informed on industry trends and best practices.
    • Evaluate and integrate new technologies to enhance product and process.
    • Drive continuous improvement initiatives across the team.

    Benefits

    • 25 days annual leave (with the option to buy and sell additional days)
    • Cycle to work scheme
    • Access to Learning & Development platform
    • Life Insurance
    • Auto Enrolment Pensions
    • Healthshield (Cashback on dental check-ups and fillings, eye tests, physiotherapy, prescriptions and much more)
    • Reimburse for usage of personal mobile phone
    • Free Gym membership and Free Friday lunch for office based staff

    Senior Software Engineer in Manchester employer: Sideways 6

    Interact is an exceptional employer that prioritises the growth and well-being of its employees, offering a vibrant work culture in Manchester where innovation and collaboration thrive. With a strong commitment to professional development, employees benefit from extensive learning opportunities, generous annual leave, and unique perks such as free gym membership and health cashback schemes. Join us to make a meaningful impact while being part of a supportive team that values every individual's contributions.
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    Contact Detail:

    Sideways 6 Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land Senior Software Engineer in Manchester

    ✨Tip Number 1

    Network like a pro! Reach out to current employees on LinkedIn or at events. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.

    ✨Tip Number 2

    Prepare for the interview by brushing up on your technical skills. Practice coding challenges and be ready to discuss your past projects in detail. Show them how your experience aligns with their needs!

    ✨Tip Number 3

    Don’t just focus on your technical skills; highlight your soft skills too! Being a great communicator and team player is key, especially in collaborative environments like Interact.

    ✨Tip Number 4

    Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining our mission-driven team.

    We think you need these skills to ace Senior Software Engineer in Manchester

    C#
    ASP.NET
    ReactJS
    Node.js
    SQL Server
    API-first development
    Docker
    Agile/Scrum
    OOP
    Design Patterns
    SOLID Principles
    Data Structures
    Algorithms
    Git (Bitbucket)
    ElasticSearch
    Redis
    AWS
    CI/CD tools (TeamCity, Octopus Deploy)
    Test Automation (Playwright)
    Atlassian tools (Jira, Confluence)
    Leadership
    Mentoring
    Problem-Solving
    Communication
    Collaboration
    Adaptability
    Strategic Thinking

    Some tips for your application 🫡

    Tailor Your CV: Make sure your CV reflects the skills and experience mentioned in the job description. Highlight your expertise in C#, ASP.NET, ReactJS, and any other relevant tech stack we use. We want to see how you can contribute to our mission!

    Craft a Compelling Cover Letter: Your cover letter is your chance to show us your passion for software development and how you align with our values. Share specific examples of your past projects and how they relate to the role. Let your personality shine through!

    Showcase Your Problem-Solving Skills: In your application, include examples of how you've tackled complex issues in previous roles. We love candidates who can think strategically and drive innovation, so don’t hold back on sharing your successes!

    Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It helps us keep track of applications and ensures you get the best experience possible. Plus, it shows you're keen to join our team!

    How to prepare for a job interview at Sideways 6

    ✨Know Your Tech Stack

    Make sure you’re well-versed in the technologies mentioned in the job description, like C#, ASP.NET, ReactJS, and Node.js. Brush up on your knowledge of API-first backends and be ready to discuss how you've used these technologies in past projects.

    ✨Showcase Your Problem-Solving Skills

    Prepare to share specific examples of complex problems you've solved in your previous roles. Highlight your approach to troubleshooting and how you’ve driven resolution, especially in fast-paced environments.

    ✨Demonstrate Leadership and Mentoring

    Since this role involves mentoring junior engineers, think of instances where you've led a team or supported others in their growth. Be ready to discuss how you foster collaboration and knowledge sharing within a team.

    ✨Communicate Clearly

    Practice explaining technical concepts in a way that non-technical stakeholders can understand. This will show your ability to bridge the gap between tech and business, which is crucial for the role.

    Senior Software Engineer in Manchester
    Sideways 6
    Location: Manchester

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