Square One Resources

About the Company

With over 25 years in the technology recruitment sector, Square One is an award-winning specialist recruitment agency. Based in London, we manage recruitment on an international scale with clients ranging from start-ups to global corporations. Our goal is to offer a comprehensive recruitment service for our clients, building long-term relationships with them to ensure candidates receive the best career opportunities possible.

Our consultants continually upskill, ensuring that they're at the forefront of industry, market and technology changes to better help with what your business needs to succeed.

Across permanent and contract roles, we place into the following sectors:

Blockchain | Cloud | Cyber Security | Development | Digital & Creative | Emerging Technologies | EV | Gaming | Infrastructure | MS Dynamics | Oracle | SAP | Telecommunications

Our Awards & Nominations
Top 100 Best Small Companies to Work For in the UK (ranked 16th) | Top 10 Recruitment Companies to Work For in the UK (ranked 10th) | Top 10 Best Small Companies to Work For in London (ranked 6th) | TIARA Best Recruitment Company to Work For (£50m+) Nominee

Listed Jobs

Company Name

Square One Resources

Job Title

Lead Python Developer

Job Description

Job title: Lead Python Developer Role Summary: Senior technical leader responsible for designing, developing, and maintaining high‑quality back‑end services using Python and Django. Will guide a small team of developers, enforce coding standards, and drive best practices across architecture, testing, and deployment pipelines. Expectations: - Lead technical decision‑making and code reviews for a tightly focused development team. - Deliver clean, efficient, and well‑documented code in a fast‑paced, distributed environment. - Architect scalable APIs and services, ensuring maintainability and performance. - Mentor junior developers and foster a culture of continuous improvement. Key Responsibilities: - Provide technical leadership, mentorship, and code reviews for a small engineering team. - Design, develop, and maintain back‑end applications and APIs with Django and Django Rest Framework (occasionally GraphQL). - Own system architecture decisions, refactoring, and performance optimisation. - Enforce PEP8 standards, automated formatting (Black, isort), unit and integration testing, and CI/CD integration. - Manage containerisation and local development workflows using Docker and Docker Compose. - Collaborate with product owners, stakeholders, and front‑end developers (React, Vue, or similar). - Design and optimise relational database structures (PostgreSQL/MySQL) and complex SQL queries. Required Skills: - 5+ years of commercial experience with Python and Django across multiple projects. - Strong RESTful API design and implementation background. - Proven experience as a Lead Developer or Tech Lead, managing or mentoring a small team. - Deep understanding of software architecture, system design, and design patterns. - Proficiency in relational database design, SQL optimisation, and database maintenance. - Hands‑on experience with Docker, Dockerfiles, and Docker Compose. - Solid grasp of Linux environments, automated testing, and CI/CD workflows. - Excellent communication and collaboration skills. Required Education & Certifications - Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent professional experience. - Relevant certifications in Python, Django, or cloud/CI‑CD tools are advantageous but not mandatory.

London, United kingdom

On site

Senior

05-01-2026

Company Name

Square One Resources

Job Title

Solution Architect (Banking)

Job Description

**Job Title:** Solution Architect (Banking) **Role Summary:** Define, govern, and deliver enterprise and solution architectures for insurance systems, aligning technology strategies with business goals, compliance standards, and transformation roadmaps. Focus on API and microservices integration, data migration, and legacy modernization in the banking/insurance sector. **Expectations:** 3+ days on-site weekly; mandate for banking/insurance industry experience. Contract role through 12/31/2026, starting 01/26/2026. **Key Responsibilities:** - Define and maintain enterprise/architecture strategies for insurance systems (policy, billing, claims, underwriting). - Develop "as-is" and "to-be" architectures and roadmaps aligned with strategic business vision. - Govern architectural standards via review governance and policy enforcement. - Architect API-first/microservices integrations for policy, billing, and claims platforms (e.g., Guidewire). - Oversee implementation of API frameworks (e.g., Guidewire Edge, GX Models, Messaging). - Lead data migration and legacy modernization to transition to digital insurance platforms. - Collaborate cross-functionally to align technology roadmaps with product and compliance requirements. **Required Skills:** - Enterprise/solution architecture expertise in banking/insurance systems. - Strong API-first and microservices integration design and implementation. - Data migration and legacy system modernization experience. - Proficiency in solution governance, architecture review boards, and standards enforcement. - Collaborative stakeholder engagement to align technical and business priorities. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Systems, or related field. - Minimum 5+ years of enterprise architecture experience in banking/insurance sectors. - Proven expertise in Guidewire platform components (APIs, models, integration tools) preferred.

Knutsford, United kingdom

On site

06-01-2026

Company Name

Square One Resources

Job Title

Technical Support Specialist (Part Time/London)

Job Description

**Job Title:** Technical Support Specialist (Part‑Time) **Role Summary:** Provide in‑person and remote technical support for laptops, operating systems, software, printers, and mobile devices. Proactively monitor device health, diagnose root causes, and implement solutions to improve performance. Support onboarding/off‑boarding processes, leverage automation and AI tools for ticket triage and knowledge base updates, and deliver user training. **Expectations:** - Work on‑site in London (Farringdon) three days per week. - Respond to support tickets promptly and maintain high customer‑service standards. - Conduct proactive device health monitoring and issue remediation. - Follow ITIL best practices and maintain accurate documentation. - Utilize automation and AI responsibly to increase efficiency. **Key Responsibilities:** - Deliver on‑site and remote troubleshooting for laptops, OS (Windows/macOS), Office 365, printers, and mobile devices. - Perform hardware/software installation, configuration, and upgrades. - Monitor and analyse laptop performance; resolve performance degradations. - Automate repetitive support tasks and employ AI assistants for ticket handling and knowledge article creation. - Manage onboarding and off‑boarding workflows, including device provisioning and de‑provisioning. - Maintain Active Directory and Mobile Device Management (Azure/Intune) records. - Provide user education and training on device and software usage. **Required Skills:** - Strong knowledge of desktop OS (Windows, macOS) and Office 365. - Solid networking fundamentals. - Experience with hardware/software troubleshooting and installation. - Familiarity with Active Directory and Azure/Intune MDM. - Awareness of ITIL practices. - Excellent problem‑solving, organisational, and communication skills. - Customer‑service oriented mindset. **Required Education & Certifications:** - Bachelor’s degree in Computer Science or related field *or* equivalent experience. - Minimum of 2 years technical support experience (or 3 years without a degree). - ITIL awareness (formal certification not mandatory).

London, United kingdom

On site

Junior

06-01-2026

Company Name

Square One Resources

Job Title

AWS Cloud Engineer

Job Description

**Job Title:** AWS Cloud Engineer **Role Summary:** Design, implement, and maintain AWS cloud solutions with a focus on networking, compute, security, and storage. Leverage infrastructure‑as‑code tools and CI/CD pipelines to automate provisioning and delivery while collaborating with engineering and cross‑functional teams. **Expectations:** - Demonstrate solid AWS architecture knowledge across core services. - Deliver automated, repeatable infrastructure using Terraform or CloudFormation. - Contribute to CI/CD pipeline development and maintenance. - Work effectively in multidisciplinary teams and communicate technical concepts clearly. **Key Responsibilities:** - Build and manage AWS environments (VPC, EC2, S3, IAM, etc.). - Develop and maintain Terraform/CloudFormation scripts for infrastructure provisioning. - Design, implement, and monitor CI/CD pipelines and automation tooling. - Ensure security best practices and compliance within AWS deployments. - Troubleshoot and resolve cloud‑related incidents and performance issues. - Collaborate with developers, architects, and operations to align cloud solutions with business requirements. **Required Skills:** - Strong AWS knowledge (networking, compute, security, storage). - Proficiency with Terraform (or CloudFormation) for infrastructure as code. - Experience with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions). - Familiarity with automation/scripting languages (e.g., Python, Bash). - Ability to work in cross‑functional, Agile environments. - Good communication and teamwork skills. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field (or equivalent practical experience). - AWS certification (e.g., AWS Certified Solutions Architect – Associate/Professional) preferred but not mandatory.

London, United kingdom

On site

13-01-2026