Senior Mobile Software Engineer

🔒 Confidential Employer
Posted 24 March 2026
LOCATION
Not specified
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£60,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

PHP JavaScript SQL Git CI/CD API development System monitoring Cloud-native tooling

FULL DESCRIPTION

Senior Mobile Software Engineer

We’re on the lookout for an experienced and passionate Senior Mobile Software Engineer to join our growing engineering team here at [Employer hidden — view at passion-project.co.uk]. This is your opportunity to make a big impact, not just through your own code, but by supporting and mentoring others to succeed.

What you’ll be doing

  • Lead from the front: Deliver elegant, scalable code and help guide technical decisions across your team.
  • Coach & mentor: Support junior and mid-level engineers, helping them grow technically and professionally.
  • Solve complex problems: Identify and tackle system bottlenecks, performance issues, and security risks.
  • Own your work: Take responsibility for the design, delivery, and quality of significant technical projects.
  • Drive improvement: Champion engineering best practices across testing, CI/CD, observability, and documentation.
  • Collaborate widely: Work closely with Product, DevOps, QA, and Customer Success to build solutions that deliver real business value.
  • Support secure development: Apply secure coding practices and support our efforts to keep systems safe, stable, and resilient.
  • Champion continuous learning: Stay curious and continuously push for improvements in both systems and processes.

Our Tech Stack

  • Languages: PHP or a mobile development framework, JavaScript
  • Databases: SQL
  • Version Control: Git
  • Testing: Automated testing across backend and frontend
  • CI/CD: Integrated pipelines to build, test, and deploy
  • Other: API development, system monitoring, cloud-native tooling

Required skills:

  • Solid experience developing production-grade software in a collaborative team setting.
  • A strong grasp of software engineering principles and patterns.
  • Proven experience mentoring or supporting more junior engineers.
  • Confidence in designing scalable, secure, and maintainable systems.
  • A proactive mindset; someone who spots opportunities for improvement and acts on them.
  • Clear, candid communication with both technical and non-technical stakeholders.
  • A strong sense of ownership and pride in the work you deliver.

Nice to have skills:

  • Experience with legacy system refactoring or performance tuning.
  • Previous involvement in incident management or system debugging at scale.
  • An understanding of secure development practices and compliance requirements.
  • Passion for improving engineering culture through collaboration, feedback, and knowledge sharing.

Why you’ll love working at [Employer hidden]

We’re a growing SaaS business with a big mission: to help businesses transform the way they manage deliveries, fleets, and field operations. You’ll join a supportive, collaborative team where your voice matters, your work is valued, and your development is taken seriously.

At [Employer hidden], we’re guided by our core values; reliable, innovative, determined, collaborative, candid, and caring. You’ll see these in action every day in how we work together, solve problems, and support our customers.

What we offer

  • A hybrid working model (office + home)
  • A friendly and supportive team culture
  • Flexible working hours and work-life balance
  • Ongoing personal development and mentoring
  • Regular team events and social activities
  • The chance to shape the future of a growing tech company

Salary: £40,000-£60,000 depending on experience

  • 30 days holiday a year, plus a holiday purchase scheme
  • Flexible working options
  • High-spec workstation, multiple monitors, and your choice of operating system
  • Thorough onboarding and training support
  • A commitment to your development through an individual training budget
  • A great office working environment – complimentary fruit, drinks, ice cream and snacks in the office
  • Company social events
  • Life assurance scheme which includes remote GP appointments, mental health support, physiotherapy, and employee assistance
  • Bike to work scheme
  • Generous pension plan
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