Job Title: Elastic Stack/ELK Engineer Location: Central London (On site 3 days per week) Salary/Rate: £492/Day Inside IR35 Start Date: 22/09/2025 Job Type: Contract - 6 months Company Introduction: We are looking for a skilled engineer to become part of a specialist team dedicated to supporting the technology environment behind electronic trading. Job Responsibilities/Objectives: In this role, you will play a key part in maintaining and improving the infrastructure that drives electronic trading systems. You'll work closely with colleagues in infrastructure, development, and the business to provide robust solutions, often in time-sensitive situations. Designing, deploying, and managing the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats) across complex, distributed platforms. Taking ownership of Middleware messaging environments, particularly Solace, ensuring best-practice usage, monitoring, and optimisation. Using advanced monitoring tools (eg, Corvil, ITRS Geneos) to guarantee visibility of systems and timely escalation of issues. Leading the onboarding of new applications, including requirements around connectivity, networking, infrastructure, and monitoring. Building and maintaining tools and pipelines to support data analysis, dashboarding, and database engineering. Working with global teams to ensure the reliability, performance, and scalability of low-latency trading infrastructure. Required Skills/Experience: Deep technical expertise with the Elastic Stack, including life cycle management, performance tuning, and API-driven integrations. Strong understanding of Linux systems, containerisation, networking, and cloud-native observability practices. Hands-on experience with automation and Scripting (Python, Shell, SQL, PowerShell). Knowledge of trading environments, connectivity, and financial protocols (FIX, Market Data, Order Entry). Background in DevOps practices, including CI/CD pipelines and infrastructure-as-code technologies (Jenkins, Docker, Kubernetes). Desirable Skills/Experience: Experience with low-latency messaging systems such as Solace, 29West, or Tibco. Familiarity with monitoring and telemetry platforms such as Corvil or Pico. Knowledge of observability solutions like ITRS Geneos integrated with Elastic Stack. Experience deploying and supporting machine-learning models in production environments. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
09/09/2025
Contractor
Job Title: Elastic Stack/ELK Engineer Location: Central London (On site 3 days per week) Salary/Rate: £492/Day Inside IR35 Start Date: 22/09/2025 Job Type: Contract - 6 months Company Introduction: We are looking for a skilled engineer to become part of a specialist team dedicated to supporting the technology environment behind electronic trading. Job Responsibilities/Objectives: In this role, you will play a key part in maintaining and improving the infrastructure that drives electronic trading systems. You'll work closely with colleagues in infrastructure, development, and the business to provide robust solutions, often in time-sensitive situations. Designing, deploying, and managing the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats) across complex, distributed platforms. Taking ownership of Middleware messaging environments, particularly Solace, ensuring best-practice usage, monitoring, and optimisation. Using advanced monitoring tools (eg, Corvil, ITRS Geneos) to guarantee visibility of systems and timely escalation of issues. Leading the onboarding of new applications, including requirements around connectivity, networking, infrastructure, and monitoring. Building and maintaining tools and pipelines to support data analysis, dashboarding, and database engineering. Working with global teams to ensure the reliability, performance, and scalability of low-latency trading infrastructure. Required Skills/Experience: Deep technical expertise with the Elastic Stack, including life cycle management, performance tuning, and API-driven integrations. Strong understanding of Linux systems, containerisation, networking, and cloud-native observability practices. Hands-on experience with automation and Scripting (Python, Shell, SQL, PowerShell). Knowledge of trading environments, connectivity, and financial protocols (FIX, Market Data, Order Entry). Background in DevOps practices, including CI/CD pipelines and infrastructure-as-code technologies (Jenkins, Docker, Kubernetes). Desirable Skills/Experience: Experience with low-latency messaging systems such as Solace, 29West, or Tibco. Familiarity with monitoring and telemetry platforms such as Corvil or Pico. Knowledge of observability solutions like ITRS Geneos integrated with Elastic Stack. Experience deploying and supporting machine-learning models in production environments. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
Job Title: UX Designer Location: Manchester (Hybrid) Salary/Rate: 300 per day (PAYE via Umbrella) Start Date: 16/09/2025 Job Type: Contract (Until 06/01/2026) Company Introduction We have an exciting opportunity available with a leading consultancy client working within the financial services sector. They are currently seeking a skilled UX Designer to help enhance user journeys in onboarding and account opening experience. Job Responsibilities/Objectives You will be responsible for creating clear, accessible, and user-centred content to improve digital onboarding forms and transactional user journeys. Design and write concise content for onboarding forms and account opening workflows. Collaborate with UX and UI designers to align content with visual and interaction design. Translate complex operational or regulatory requirements into user-friendly content. Conduct content audits and usability testing to improve and validate user journeys. Develop and maintain content guidelines to ensure consistency. Support creation of correspondence templates such as confirmation emails and rejection notices. Required Skills/Experience The ideal candidate will have the following: Strong experience as a UX Content Designer, UX Writer, or similar role. Portfolio showing content design for digital forms or transactional experiences. Knowledge of (url removed) content design principles and accessibility standards. Experience working within agile, cross-functional teams. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Experience in financial services or regulated environments. Familiarity with Co-op or similar design systems. Knowledge of address validation/personalisation tools (e.g., Experian PCCA, Hopewiser). Comfort using Figma, Sketch, or similar design tools. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
08/09/2025
Contractor
Job Title: UX Designer Location: Manchester (Hybrid) Salary/Rate: 300 per day (PAYE via Umbrella) Start Date: 16/09/2025 Job Type: Contract (Until 06/01/2026) Company Introduction We have an exciting opportunity available with a leading consultancy client working within the financial services sector. They are currently seeking a skilled UX Designer to help enhance user journeys in onboarding and account opening experience. Job Responsibilities/Objectives You will be responsible for creating clear, accessible, and user-centred content to improve digital onboarding forms and transactional user journeys. Design and write concise content for onboarding forms and account opening workflows. Collaborate with UX and UI designers to align content with visual and interaction design. Translate complex operational or regulatory requirements into user-friendly content. Conduct content audits and usability testing to improve and validate user journeys. Develop and maintain content guidelines to ensure consistency. Support creation of correspondence templates such as confirmation emails and rejection notices. Required Skills/Experience The ideal candidate will have the following: Strong experience as a UX Content Designer, UX Writer, or similar role. Portfolio showing content design for digital forms or transactional experiences. Knowledge of (url removed) content design principles and accessibility standards. Experience working within agile, cross-functional teams. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Experience in financial services or regulated environments. Familiarity with Co-op or similar design systems. Knowledge of address validation/personalisation tools (e.g., Experian PCCA, Hopewiser). Comfort using Figma, Sketch, or similar design tools. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
b Title: Major Incident Manager Location: Sheffield (City Centre, S1 4NB) Hybrid (60% office / 40% home) Salary/Rate: 626.50 Per Day (Inside IR35) Start Date: 28/11/2025 Job Type: Contract Company Introduction We have an exciting opportunity available with a leading financial services organisation. They are currently looking for an experienced Major Incident Manager to join their team on a contract basis to ensure service stability and operational resilience. Job Responsibilities/Objectives As a Major Incident Manager, you will lead and coordinate the response to critical incidents, ensuring rapid resolution and minimal disruption across global operations. Lead the end-to-end incident management process, ensuring incidents are logged, tracked, and resolved efficiently. Apply expert knowledge of incident management frameworks to reduce downtime and maintain service continuity. Support the resolution of the incident backlog, prioritising based on business impact and urgency. Provide clear and timely updates to stakeholders, including senior leadership, on incident status and resolution progress. Escalate complex or high-impact incidents to technical or business teams with full diagnostic context. Analyse incident trends and root causes to drive continuous service improvements. Required Skills/Experience The ideal candidate will have the following: Proven experience in major incident management, ideally within the financial services sector. Strong knowledge of regulatory and operational requirements (FCA, SOX, GDPR). Demonstrated ability to manage high-pressure incidents and communicate across technical and non-technical stakeholders. Experience in a shift-based or 24/7 operational support model. Proficiency in ITSM tools such as ServiceNow and Jira. Strong analytical, problem-solving, and decision-making skills. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Experience mentoring and training teams in incident management best practice. Exposure to global financial operations and cross-border compliance requirements. Previous experience with backlog management and service resilience programmes. Strong stakeholder engagement skills with senior leadership in high-pressure environments. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
08/09/2025
Contractor
b Title: Major Incident Manager Location: Sheffield (City Centre, S1 4NB) Hybrid (60% office / 40% home) Salary/Rate: 626.50 Per Day (Inside IR35) Start Date: 28/11/2025 Job Type: Contract Company Introduction We have an exciting opportunity available with a leading financial services organisation. They are currently looking for an experienced Major Incident Manager to join their team on a contract basis to ensure service stability and operational resilience. Job Responsibilities/Objectives As a Major Incident Manager, you will lead and coordinate the response to critical incidents, ensuring rapid resolution and minimal disruption across global operations. Lead the end-to-end incident management process, ensuring incidents are logged, tracked, and resolved efficiently. Apply expert knowledge of incident management frameworks to reduce downtime and maintain service continuity. Support the resolution of the incident backlog, prioritising based on business impact and urgency. Provide clear and timely updates to stakeholders, including senior leadership, on incident status and resolution progress. Escalate complex or high-impact incidents to technical or business teams with full diagnostic context. Analyse incident trends and root causes to drive continuous service improvements. Required Skills/Experience The ideal candidate will have the following: Proven experience in major incident management, ideally within the financial services sector. Strong knowledge of regulatory and operational requirements (FCA, SOX, GDPR). Demonstrated ability to manage high-pressure incidents and communicate across technical and non-technical stakeholders. Experience in a shift-based or 24/7 operational support model. Proficiency in ITSM tools such as ServiceNow and Jira. Strong analytical, problem-solving, and decision-making skills. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Experience mentoring and training teams in incident management best practice. Exposure to global financial operations and cross-border compliance requirements. Previous experience with backlog management and service resilience programmes. Strong stakeholder engagement skills with senior leadership in high-pressure environments. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
Job Title: Full Stack Python Developer Location: Remote (From anywhere in the UK) Salary/Rate: Up to £510 per day (Inside IR35) Start Date: September 2025 Job Type: 6-12 Month contract Company Introduction We are currently recruiting on behalf of a global pharmaceutical who is hiring a Full-stack Python Developer for an exciting 6-month contract. Responsibilities/Objectives We are looking for an experienced Full Stack Python Developer to join our team and contribute to building robust web applications. This role requires a developer who can work independently across both Front End and Back End technologies, with strong hands-on experience in a modern web development stack. Develop and maintain web applications using React and Next.js for Front End development Build and maintain APIs using Python and FastAPI framework Work with TypeScript to ensure type-safe code across the application Write comprehensive unit tests using testing frameworks to ensure code quality and reliability Collaborate with the team to design and implement new features Write clean, maintainable, and well-documented code Participate in code reviews and maintain coding standards Debug and troubleshoot issues across the full stack Work independently with minimal supervision on assigned tasks Required Skills/Experience The ideal candidate will have the following: Experience: Professional software development experience Backend: Strong hands-on experience with Python programming and FastAPI framework Frontend: Proficient in React.js and Next.js development Language: Solid experience with TypeScript API Development: Experience building RESTful APIs and working with databases Testing: Experience writing unit tests using testing frameworks (pytest, Jest, or similar) CI/CD: Exposure to CI/CD pipelines and automated deployment processes Version Control: Proficiency with Git and collaborative development workflows Problem Solving: Ability to debug and solve complex technical issues independently Communication: Good communication skills for team collaboration If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
04/09/2025
Contractor
Job Title: Full Stack Python Developer Location: Remote (From anywhere in the UK) Salary/Rate: Up to £510 per day (Inside IR35) Start Date: September 2025 Job Type: 6-12 Month contract Company Introduction We are currently recruiting on behalf of a global pharmaceutical who is hiring a Full-stack Python Developer for an exciting 6-month contract. Responsibilities/Objectives We are looking for an experienced Full Stack Python Developer to join our team and contribute to building robust web applications. This role requires a developer who can work independently across both Front End and Back End technologies, with strong hands-on experience in a modern web development stack. Develop and maintain web applications using React and Next.js for Front End development Build and maintain APIs using Python and FastAPI framework Work with TypeScript to ensure type-safe code across the application Write comprehensive unit tests using testing frameworks to ensure code quality and reliability Collaborate with the team to design and implement new features Write clean, maintainable, and well-documented code Participate in code reviews and maintain coding standards Debug and troubleshoot issues across the full stack Work independently with minimal supervision on assigned tasks Required Skills/Experience The ideal candidate will have the following: Experience: Professional software development experience Backend: Strong hands-on experience with Python programming and FastAPI framework Frontend: Proficient in React.js and Next.js development Language: Solid experience with TypeScript API Development: Experience building RESTful APIs and working with databases Testing: Experience writing unit tests using testing frameworks (pytest, Jest, or similar) CI/CD: Exposure to CI/CD pipelines and automated deployment processes Version Control: Proficiency with Git and collaborative development workflows Problem Solving: Ability to debug and solve complex technical issues independently Communication: Good communication skills for team collaboration If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Job Title: UX/UI Lead (GenAI) Location: Glasgow (Hybrid) Salary/Rate: Competitive (Inside IR35) Start Date: September - contract running until 30/06/2026 Job Type: Contract Company Introduction We have an exciting opportunity available with a global financial services organisation. They are currently looking for a skilled UX/UI Lead to join their team and help shape the next generation of digital banking products. Job Responsibilities/Objectives You will be responsible for creating intuitive, user-centred, and visually appealing digital product designs that align with user needs, business goals, and accessibility standards. Conduct user research and usability testing to capture customer needs, pain points, and feedback. Design intuitive and user-friendly interfaces for digital banking applications. Develop wireframes and interactive prototypes to visualise and test product concepts. Apply visual design principles, ensuring consistency with brand identity and accessibility guidelines. Collaborate closely with cross-functional product teams, developers, and stakeholders. Stay updated with design best practices, industry trends, and emerging technologies. Required Skills/Experience The ideal candidate will have the following: Proven experience as a UX/UI or Product Designer, with a portfolio demonstrating relevant work. Strong background in user research, prototyping, and interaction design. Expertise in visual design, including typography, colour theory, and responsive design. Experience conducting usability testing and applying insights to design improvements. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Degree in UX/UI Design, Interaction Design, Digital Media, or a related field. Experience working in highly regulated industries, ideally financial services. Familiarity with Agile environments and collaboration tools. Knowledge of HTML/CSS, Front End development concepts, and ethical design practices. Benefits & Perks The company offers standard corporate benefits, including: A long-term contract with likely extensions. Hybrid working arrangement (Glasgow-based). Opportunity to work on cutting-edge GenAI-enabled digital banking products. Career development in a leading global organisation. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
28/08/2025
Contractor
Job Title: UX/UI Lead (GenAI) Location: Glasgow (Hybrid) Salary/Rate: Competitive (Inside IR35) Start Date: September - contract running until 30/06/2026 Job Type: Contract Company Introduction We have an exciting opportunity available with a global financial services organisation. They are currently looking for a skilled UX/UI Lead to join their team and help shape the next generation of digital banking products. Job Responsibilities/Objectives You will be responsible for creating intuitive, user-centred, and visually appealing digital product designs that align with user needs, business goals, and accessibility standards. Conduct user research and usability testing to capture customer needs, pain points, and feedback. Design intuitive and user-friendly interfaces for digital banking applications. Develop wireframes and interactive prototypes to visualise and test product concepts. Apply visual design principles, ensuring consistency with brand identity and accessibility guidelines. Collaborate closely with cross-functional product teams, developers, and stakeholders. Stay updated with design best practices, industry trends, and emerging technologies. Required Skills/Experience The ideal candidate will have the following: Proven experience as a UX/UI or Product Designer, with a portfolio demonstrating relevant work. Strong background in user research, prototyping, and interaction design. Expertise in visual design, including typography, colour theory, and responsive design. Experience conducting usability testing and applying insights to design improvements. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Degree in UX/UI Design, Interaction Design, Digital Media, or a related field. Experience working in highly regulated industries, ideally financial services. Familiarity with Agile environments and collaboration tools. Knowledge of HTML/CSS, Front End development concepts, and ethical design practices. Benefits & Perks The company offers standard corporate benefits, including: A long-term contract with likely extensions. Hybrid working arrangement (Glasgow-based). Opportunity to work on cutting-edge GenAI-enabled digital banking products. Career development in a leading global organisation. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
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