Full-Time

Junior Software Developer

mthree

mthree

501-1,000 employees

Global talent training and placement services

No salary listed

London, UK + 3 more

More locations: Christchurch, UK | Glasgow, UK | United Kingdom

In Person

Relocation may be required; on-site roles across UK locations.

UK Top Secret Clearance Required

Category
Software Engineering (1)

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Requirements
  • A bachelor’s degree in computer science or a related field (2:1 or higher)
  • A solid foundation in software engineering principles
  • Skills in troubleshooting, debugging, and test-driven development
  • Knowledge of the software development lifecycle (SDLC)
  • The right to work in the UK without visa sponsorship
Responsibilities
  • Work in dynamic, global teams to build complex applications that solve real-world problems.
  • See your code come to life, making a tangible impact.
  • Continuously improve through collaboration and innovation.
  • If you are enthusiastic about development and thrive on problem-solving, you’ll fit right in.

mthree is a global talent and training partner that connects graduates and experienced professionals with leading companies in tech, banking, and business. It creates and runs custom training programs through its Train model, ensuring candidates are prepared for their roles and can be placed into positions ranging from entry level to leadership. The company works by partnering with organizations to deliver tailored training solutions, then placing trained talent into roles, which helps clients reduce their hiring and training burden. What sets mthree apart is its emphasis on diversity, equity, and inclusion, its global reach, and its ability to offer end-to-end pipeline development—from training design to placement—across multiple sectors. The goal is to continuously supply a steady stream of skilled professionals who meet each client’s specific needs and contribute to the client’s workforce goals.

Company Size

501-1,000

Company Stage

Acquired

Total Funding

$59.4M

Headquarters

London, United Kingdom

Founded

2010

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Simplify Jobs

Simplify's Take

What believers are saying

  • AI-ready talent and cyber training are expanding priorities for banks and public employers.
  • CAPSLOCK joining mthree in June 2026 broadens cross-sell into security-skills budgets.
  • The merged group gains scale for cross-selling staffing, upskilling, and expert consulting services.

What critics are saying

  • Inspirit owns mthree and Peregrine, so portfolio leverage pressure constrains strategic flexibility.
  • Hiring depends on employer demand in finance and tech; contract slippage hits utilization fast.
  • If clients internalize graduate training, mthree's hire-train-deploy model loses its core value proposition.

What makes mthree unique

  • mthree merged with Peregrine in January 2026, combining private and public-sector HTD reach.
  • CAPSLOCK acquisition adds cyber, AI, and digital resilience training to mthree's pipeline.
  • Custom hire-train-deploy programs place 250+ people across North America, EMEA, and APAC.

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Benefits

Wellness Program

Growth & Insights and Company News

Headcount

6 month growth

24%

1 year growth

24%

2 year growth

24%
Bdaily
Jun 16th, 2026
Mthree acquires CAPSLOCK to boost cybersecurity training capabilities

London-based training provider Mthree has acquired cybersecurity education firm CAPSLOCK to strengthen its capabilities in cybersecurity, artificial intelligence and digital resilience training for finance, technology and public sector employers. Founded in 2019, CAPSLOCK has trained over 1,200 adults for cyber careers, working with organisations across financial services, telecoms, aerospace, defence, manufacturing and broadcasting sectors. Mthree CEO Alex Headley said cybersecurity and AI are workforce challenges as much as technology issues, noting employers cannot rely solely on hiring from a limited pool of experienced specialists. CAPSLOCK co-founder Lorna Armitage said joining Mthree provides a platform to expand their mission of removing barriers to cybersecurity careers as cyber and AI risks grow more complex.

Finance Connect
Feb 16th, 2026
Leumi ABL backs Mthree–Peregrine merger with £10M facility

Leumi ABL has provided a £10 million asset-based lending facility to support the merger of Mthree and Peregrine International Limited, both portfolio companies of UK private equity firm Inspirit Capital. The deal combines Mthree's private sector recruitment focus with Peregrine's public sector operations in the hire-train-deploy market. The merger aims to deliver increased scale, strengthen management and unlock cross-selling opportunities across both sectors. This marks Leumi ABL's third financing arrangement with Inspirit portfolio companies, following its backing of @Spaldings Ltd's acquisition in June 2023. The combined group operates across the UK and US. Inspirit Capital highlighted asset-based lending's flexibility and scalability for PE-backed businesses, whilst Leumi ABL emphasised its expertise in cross-border transactions and understanding of private equity requirements.