Technical Architect Jobs in London

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Technical Architect Jobs in London

Overview

Looking for Technical Architect jobs in London? Explore top IT roles on Haystack, the leading job board connecting skilled Technical Architects with London’s fastest-growing tech companies. Find your next Technical Architect position in London today and take your career to the next level!

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Boomi Integration Analyst Developer

Boomi Integration Analyst Developer.

About the Role. Application and Data integrations are the beating heart at the centre of all the client’s applications - allowing the sharing of data between systems & interoperability of their platforms. This Integrations Analyst Developer will be working within their solution development team, working with the team to design, test and build new integrations and maintain existing integrations on their Boomi platform using a variety of integration techniques.

This is a hybrid role, currently with 2 day per week onsite at their building in East London.

About You.

You will need strong technical expertise in data integration using the Boomi platform within a large scale organisation, analytical and problem solving skills, the ability to collaborate effectively with cross-functional teams, and stakeholder management.

You will need a solid understanding of data structures within a variety of database platforms - they integrate between systems with data held in flat files, SQL, MySQL, MARIA, Oracle and others.

You will have a strong working knowledge of developing & maintaining integrations using web services and APIs, including REST and SOAP.

You will be able to demonstrate your great problem-solving skills, with the ability to troubleshoot complex integration issues and have good communication skills, comfortable liaising with Stakeholders.

Title: Boomi Integration Analyst Developer

Location: London 2 days a week. Rest Hybrid/Remote.

Duration: 1 x FTE and 2 x 12 month FTC’s

Salary: £44,000 £47,800 per annum.

Start: ASAP.

Benefits: In return, they offer 30 days’ leave per annum, access to a pension scheme, a season ticket loan scheme and competitive salaries. They also offer enhanced family friendly leave, and an on-site nursery at the office. You will also work with a friendly team, with personal development opportunities.

This clients diverse and inclusive community is Embedded in their appointments processes. Reasonable adjustments will be made at each stage of the recruitment process for any candidate with a disability.

If this is of interest then email your CV to Ryan at (see below)

Services Advertised are those of an Employment Agency.

Lead Full-Stack Developer

Lead Full-stack Developer

Location: Holborn, Central London (Hybrid)

Job Type: Full-time

Direct Reports: x5 Senior Developers

Reporting to: Head of AI & Technology

An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated to transforming the recruitment landscape through AI-driven, human-centered technology. This is a pivotal role where you will lead a team of 5 Senior Developers, focusing on hands-on coding and providing technical leadership underneath the guidance of the Head of AI & Technology.

Day-to-day of the role:

Lead and mentor a team of 5 Senior Developers, maintaining a hands-on approach with coding and problem-solving.

Oversee the end-to-end delivery of features, ensuring the software is scalable, speedy, and of high quality.

Architect, develop, and maintain core components of our SaaS platform:

Backend: Python, PostgreSQL

Frontend: TypeScript, NextJS/NodeJS

Integrate AI tools, APIs, and data pipelines to enhance platform intelligence.

Promote engineering best practices such as testing, CI/CD, and secure coding standards.

Conduct code reviews and provide technical mentorship.

Collaborate with the Head of AI and Technology to align development priorities with business objectives.

Foster a culture of collaboration, continuous learning, and high performance.

Troubleshoot and resolve complex issues, ensuring platform reliability and uptime.

Required Skills & Qualifications:

10+ years of commercial software development experience, with at least 5 years in a lead developer role.

Proven track record in leading small, high-performing engineering teams in fast-paced environments.

Deep expertise in full-stack development, including:

TypeScript/JavaScript (NextJS, NodeJS, Tailwind)

Python (Django, Flask, or FastAPI)

PostgreSQL

Experience with building and scaling SaaS platforms in production.

Strong background in software architecture, microservices, and API design.

Hands-on experience with cloud platforms (AWS, Azure, or GCP).

Excellent communication skills, capable of motivating and aligning technical teams.

Desirable: Experience with AI tools, APIs, ML pipelines, containerisation (Docker/Kubernetes), event-driven architecture (Kafka/RabbitMQ).

Benefits:

Hybrid working model (minimum 3 days a week in office)

25 days annual leave plus bank holidays

Flexible holiday scheme

Contributory pension scheme

Enhanced family leave benefits

Insurance benefits including life assurance

Regular events and discounts at gyms and popular retailers

Wellbeing and mental health support

Vibrant office location in Holborn with numerous amenities nearby

To apply for the Lead Full-stack Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role.

Senior Data Architect

Tenth Revolution Group

Senior Data Architect - Strategic Data Leadership Opportunity - Paying up to £105,000

Are you a visionary Data Architect ready to shape the future of data for a leading organisation? We’re working with a high-profile client seeking a seasoned professional to lead the evolution of their data ecosystem. This is a strategic, hands-on role where your expertise will directly influence the architecture and scalability of modern data platforms.

Location: Hybrid (UK-based, London office) Type: Permanent

The Opportunity

This is more than just a technical role - it’s a chance to drive real business impact. You’ll be responsible for designing and implementing robust, scalable data solutions that align with long-term strategic goals. From conceptual modelling to guiding delivery teams, you’ll be at the heart of transforming how data is used across the organisation.

Key Responsibilities

Design and implement effective database solutions and models.

Ensure compliance with GDPR and data governance standards.

Lead the development of conceptual and logical data models.

Oversee the full data production lifecycle and ensure architectural alignment.

Define and drive the technical direction of the data platform landscape.

Collaborate with stakeholders, vendors, and technology teams to deliver high-quality solutions.

Champion data integrity, security, and performance across platforms.

What We’re Looking For

Extensive experience in data architecture and modelling.

Strong knowledge of Azure Cloud Services (DataBricks, ADF, Azure SQL, CosmosDB).

Proficiency in Kimball methodology and Data Vaults.

Experience with MDM, data cataloguing, and lineage management.

Skilled in designing metadata-driven ingestion and transformation pipelines.

Proven track record in agile delivery environments (SCRUM, PRINCE2, Lean).

Excellent communication skills-able to bridge technical and non-technical audiences.

Passion for emerging technologies and data innovation.

Ideal Candidate Profile

A proactive self-starter with a customer and data-centric mindset.

Strong problem-solving skills and pragmatic judgement.

Able to simplify complex concepts and influence stakeholders at all levels.

Thought leader in data domains, with a drive for continuous improvement.

Please Note: This is a permanent role for UK residents only. This role does not offer Sponsorship. You must have the right to work in the UK with no restrictions. Some of our roles may be subject to successful background checks including a DBS and Credit Check.

Contact me:

SC Cleared - Cyber Security Technical Consultant - Perm

Cyber Technical Consultant - SC Cleared - Perm

Location: London or Cheltenham, 3 days in the office

Clearance: Active SC Clearance

Salary: £45,000 - £70,000 + Benefits

This is an exciting opportunity for a Technical Cyber Security Consultant to join an expanding technical consultancy as they support public sector clients across cyber, telecoms, and data. This role involves designing secure networks, analysing complex datasets, and contributing to protecting UK security through data driven insights and solutions.

Key Responsibilities

Assessing your client’s’ needs, understanding how their needs may differ from their wants, and appropriately managing stakeholder relationships.

Selecting, understanding and adapting security control frameworks.

Designing, justifying and implementing security management strategies.

Identifying risks from design documentation and proposing proportionate cyber security controls.

Ensuring security principles are applied during design and development to reduce risk.

Developing and communicating corporate information security policy, standards and guidelines.

Developing organisational strategies that address information control requirements. Identifying and monitoring environmental and market trends and proactively assessing impact on business strategies, benefits and risks.

Performing threat modelling and risk assessments to develop a holistic picture of threat.

Developing new architectures that mitigate the risks posed by new technologies and business practices.

Accurately delivering high quality work to agreed timelines. Taking the initiative on project work, and knowing how to jump straight in.

Supporting client engagements, including pitches and presentations.

Skills/Knowledge

You have relevant and recent experience working within the cyber security industry.

You have experience in a consulting or customer facing role.

You have worked in technical client deliveries across a range of cyber security related projects

You can demonstrate subject matter expertise in one of the following domains: Security Architecture, Security Operations, Identity & Access Management, Security Engineering.

You have experience of programming, programming and scripting concepts.

You have experience working with security controls within cloud-based infrastructure (e.g Azure, AWS, GCP). This may include design, configuration, or protective monitoring.

You have experience working with security control frameworks e.g. ISO27001, NIST, CAF or others.

You have demonstrable continuous personal development with relevant certifications and accreditations.

You have strong interpersonal skills

You have UK security clearance at SC or above or are eligible and willing to go through clearance

If you’re interested in the learning more, please apply or reach out to

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason***,*** please let us know when you apply or talk to the recruiters directly so we can support you.

BRIM Solution Architect

Having 14-15 years of experience with functional knowledge in BRIM. Also having end to end knowledge of BRIM functional processes & data flow.

At least worked on 2-3 projects in BRIM. Experience in leading design workshop, requirement gathering discussion.

Strong experience in functional processes of master data, Convergent Invoicing & FICA.

Having in depth knowledge of Finance master data, account receivable, payable, G/L posting processes.

Having in depth knowledge of subscription billing model like recurring, usage & onetime scenario.

Good to have if certification in BRIM.

AI Technical Architect - Customer Experience

Location - London, Bristol or Manchester (1 day a week onsite)

Duration - 6 months

Rate - £650 - £700 daily (inside IR35)

As a Technical Architect you will:

Design and architect end-to-end AI solutions that align with government digital strategies and the Technology Code of Practice, combining off-the-shelf components with bespoke code

Collaborate with senior technical stakeholders to define AI strategy and roadmaps for digital transformation initiatives

Ensure AI solutions integrate effectively with existing government technology infrastructure and legacy systems

Design scalable, cloud-first AI architectures following government security and data protection standards

Lead the selection and technical design of appropriate AI technologies, platforms, and tools

Develop documentation and processes for AI accountability and explainability

Present technical concepts and recommendations to non-technical senior leaders

Engage with external partners, industry experts, and academic institutions to produce architectural solutions fit for programme purpose.

Define and oversee prototyping and exploratory development at speed to explore and mitigate technical risks.

Develop an ethos of rapid, collaborative change within the team.

We’re looking for people with a passion for public service and the skills to make a difference. You will have:

Minimum of 10 years in technical architecture on the enterprise level.

Experience working in interdisciplinary teams to design and deliver solutions.

Extensive experience in AI/ML architecture and system design (minimum 2 years) with proven expertise in hands-on coding AI solutions.

Deep knowledge of machine learning frameworks, cloud platforms (AWS, Azure, GCP), and MLOps(machine learning operations) practices.

Deep knowledge about design and implementation of secure integrations between AI solutions and legacy enterprise software, whilst ensuring compliance with government-level security requirements, implementing single sign-on (SSO) authentication protocols, and maintaining appropriate access controls for OFFICIAL and OFFICIAL-SENSITIVE information handling.

Deep knowledge about costing of AI models to produce reasonable ROI and modular reusable services with moderate level of maintenance.

Understanding of data architecture, API design, and microservices patterns

Knowledge of government technology standards and security frameworks

Working knowledge about appropriate Data Ethics Frameworks for AI initiatives, ensuring responsible and transparent AI deployment

Understanding of the modern and current AI systems and their lifecycle.

Experience working in regulated environments with strict security and compliance requirements

Experience of working at pace, on cutting-edge technology and not afraid to take on calculated technical risks to deliver faster.

Experience of Agile, Incubator or other Rapid development techniques.

Commitment to public service values and citizen-centred design

Please submit a copy of your CV for more information on this vacancy.

End user experience engineer - Contract Inside IR35

End user experience engineer - 600 Inside IR35 - Global Airline

A global airline is looking to hire two EUX Engineers to play a key role in a large-scale migration from Windows 10 to Windows 11 across a complex, multi-functional enterprise environment.

This is more than just an upgrade, it’s a strategic transformation. You’ll be responsible for designing and customising migration solutions that ensure a seamless transition for diverse teams, each with unique workflows and requirements. Your work will directly impact user experience, productivity, and operational continuity.

Rate: 600 inside IR35

Location: 2-3 days per week to Heathrow Office

Requirements:

Experience supporting a large organisation with transitioning from Windows 10 to 11

Experience working with a large organisation, working with over 20k users and 6k applications

Highly desirable Big 4 consultancy background with such as; EY, Deloitte, KPMG, PwC

Demonstrable example of in-depth analysis to identify and review issues/problems and create solutions that generated significant impact (i.e. ramped up volume of transferred users, improved project monument)

Must have excellent communication skills, personality/gravitas to work with different stakeholders and provide a consulting style to solutions suggested

Must be immediately available or a short notice period (maximum 2 weeks)

Join a global airline undergoing major transformation and see your solutions accredited and deployed directly with end users. If you’re passionate about solving complex challenges and making real-world impact, please apply with an up to date CV.

Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.

Staff Software Engineer Java - Tech for Good

Staff Software Engineer / Developer (Java Kotlin AWS React) Hybrid WFH to £110k

Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good?

You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care.

As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products’ tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.

You’ll be hands-on with architecture, design and coding, including complex business logic, authentication and security aspects, working across the full tech stack to create the beta product.

Location / WFH:

You can work from home most of the time, the company has office space in London you’ll join them there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development.

About you:

You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack

You have experience with Kotlin, Java, SpringBoot and AWS

You have a good understanding of APIs and permission based systems

You have a good understanding of software architecture and have experience of building systems from scratch

You’re able to assess, recommend and make technical decisions with long-term product strategy in mind

You have strong technical project leadership skills and experience of working with clients

You have excellent communication and stakeholder management skills

You are degree educated in Computer Science or similar technical discipline

Experience with RBAC systems would be beneficial

What’s in it for you:

Salary to £120k

Equity shares package

Impactful role with excellent progression opportunities

Opportunity to work on tech for good to positively benefits society

Apply now to find out more about this Staff Software Engineer / Developer (Kotlin AWS React) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Consultant - Linux Administrator

Senior Consultant - Linux & Automation

£45k- £65k

Crawley

We are seeking a passionate and skilled Senior Consultant - Linux & Automation to lead the design and delivery of Linux-based automation solutions for our client in West Sussex. This role will be hybrid working. They offer a competitive salary of £45k-£65k, alongside excellent benefits, including a very strong bonus (10-30%), 29 days holiday (progressing up to 33), medical and dental coverage, and more.

This position is ideal for Linux enthusiasts who have a background in system administration, scripting (Bash, Perl, Python), and automation tools, and are ready to step into a more strategic and impactful role. Our client seeks inventive and creative techies that want to learn, grow and contribute to their project.

Key Responsibilities:

Project Leadership: Manage the planning and successful delivery of large-scale Linux and automation projects, ensuring client objectives are met with innovative and effective solutions.

Design and Architecture: Develop scalable, secure Linux systems using Infrastructure as Code (IaC) tools such as Terraform and Ansible.

Technical Implementation: Configure Linux environments, deploy Zabbix monitoring systems, and create automation scripts to optimise infrastructure operations.

Client Engagement: Serve as the primary contact for clients, understanding their needs and delivering tailored solutions with exceptional service.

Cross-Disciplinary Collaboration: Work alongside teams in infrastructure, networking, cloud (AWS), virtualisation (Nutanix), and storage to deliver comprehensive solutions.

Mentorship: Support junior team members by providing technical guidance and fostering professional growth.

What We’re Looking For:

Proven experience in Linux system administration and scripting (Bash, Perl, Python).

Hands-on expertise with Zabbix for monitoring and tools like Terraform and Ansible for automation.

Familiarity with Git for version control and collaboration.

Strong interpersonal skills with the ability to engage effectively in client-facing roles.

A proactive and adaptable approach to problem-solving and evolving technologies.

Experience in cross-functional collaboration across domains such as cloud (AWS), virtualisation (Nutanix), and storage.

Passion for mentoring and sharing knowledge within a team.

This role offers a fantastic opportunity to advance your career while working on cutting-edge Linux and automation solutions. If you are a Linux enthusiast ready to take the lead, we’d love to hear from you!

If you are interested in the above role - Click the “Apply Now” button now for immediate review

Senior Consultant, Senior Consultant, Linux Consultant, VMWare, Linux Specialialist, Linux Admin, Linux, Scripting, Bash, Perl, AWS, Nutanix, Zabbix

Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.

Enterprise Architect - Integration Specialist

Michael Page Technology

The role of Enterprise Architect (Integration Specialist ) offers an exciting opportunity to shape and define integration strategies within the technology sector, this position focuses on designing and implementing enterprise-level solutions to drive innovation and operational efficiency.

Client Details

This organisation is a well-established, large organisation that is committed to leveraging advanced technology to improve its services.

Description

Develop and maintain integration architecture strategies and roadmaps aligned with business objectives.

Design and implement scalable integration solutions across enterprise systems.

Collaborate with cross-functional teams to identify integration requirements and best practices.

Ensure compliance with industry standards and data security protocols.

Provide technical leadership in evaluating and selecting integration tools and platforms.

Support the resolution of technical issues related to integration systems.

Document integration processes and maintain up-to-date technical specifications.

Offer guidance on emerging technologies to enhance integration capabilities.

You must have exposure to MuleSoft, API’s and be well versed in integrations.

Profile

A successful Enterprise Architect - Integration Specialist should have:

A strong background in integration architecture and enterprise systems.

Proficiency in using integration tools and platforms such as APIs, ESBs, or middleware.

MuleSoft Exposure

Experience in the healthcare or technology sector is advantageous.

Knowledge of data security standards and compliance requirements.

Excellent analytical and problem-solving skills.

Ability to communicate technical concepts to non-technical stakeholders effectively.

Job Offer

Competitive salary ranging from £90,000 to £115,000per annum - based on experience.

Attractive benefits, including a £6,200 car allowance and £2,200 London allowance.

Permanent role with opportunities for career progression.

A supportive and innovative company culture.

Convenient location in London with access to modern office facilities.

If you are passionate about technology and excited to make an impact as an Enterprise Architect - Integration Specialist, we encourage you to apply today.

Clearance: SC and NPPV3 required to be held now

Location: London/Remote - how many days not known at present to attend workshops

Start date: 1st October for 6 months

Network Architect

We’re seeking a Senior Network Architect to lead the design and delivery of a Fortinet SASE rollout across a multi-stakeholder environment. You’ll collaborate with internal cyber delivery teams, external delivery partners, and the client to ensure alignment with functional and security requirements. This is a high-impact role driving technical leadership and programme success.

Key Responsibilities & Experience Required

Proven experience designing and delivering Fortinet SASE solutions in complex enterprise environments.

Strong stakeholder management across internal teams, external partners, and client organisations.

Deep understanding of network security principles and compliance frameworks.

Ability to translate business requirements into scalable, secure network architectures.

Track record of leading large-scale network transformation programmes from design through to implementation.

System architect and developer

Orbit Financial Technology Limited

As a System Architect and Developer, you will play a critical role in designing, developing, and implementing robust, scalable, and secure systems that support our innovative AI-driven platform. You will lead a team of developers, collaborate with cross-functional teams, and contribute to strategic technology decisions that align with our business goals.

Key Responsibilities:

Lead System Architecture Design:

Develop and implement system architectures that meet business requirements.

Ensure scalability, security, and performance of the platform.

Evaluate and recommend technologies and tools to enhance development efficiency.

Software Development:

Write clean, maintainable, and efficient code.

Oversee the development of new features and enhancements.

Conduct code reviews and ensure adherence to best practices.

Team Leadership:

Lead and mentor the development team in the London office.

Facilitate collaboration between developers, data scientists, and product managers.

Coordinate with the CTO to align the team’s efforts with company objectives.

Project Management:

Define project scopes, timelines, and deliverables.

Monitor progress and adjust plans as necessary to meet deadlines.

Communicate project status and risks to stakeholders.

Quality Assurance:

Implement testing strategies to ensure software quality.

Address and resolve technical issues promptly.

Maintain documentation for system architecture and development processes.

Stay Current with Industry Trends:

Keep up-to-date with emerging technologies and industry best practices.

Integrate relevant advancements into the company’s technology stack.

Qualifications:

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

Experience:

Minimum of 7 years of professional experience in software development.

At least 3 years in a system architect or senior developer role.

Proven experience leading development teams.

Technical Skills:

Proficiency in programming languages such as Python, Java, or C++.

Strong understanding of AI and machine learning concepts.

Experience with cloud platforms like AWS, Azure, or Google Cloud.

Familiarity with microservices architecture and RESTful APIs.

Knowledge of database systems (SQL and NoSQL).

Experience with DevOps practices and CI/CD pipelines.

Soft Skills:

Excellent leadership and team management abilities.

Strong problem-solving and analytical skills.

Effective communication skills, both verbal and written.

Ability to work collaboratively in a fast-paced environment.

Application Architect Java & Web Apps (eDV Clearance)

Ernest Gordon Recruitment Limited

60,000 - 70,000 + Clearance Bonus + Yearly Bonus + Training + Progression + Company Benefits

Are you a Application Architect or similar that has active eDV clearance that wants to work for the tech worlds global leader that helped put a man on the moon?

Do you want to work for an industry leader that has some of the industries most exciting and top secret projects?

This business is one of the most recognisable 3 letter tech giants that has a un-paralleled training and progression, personal development funds and full access to their certification and qualifications courses which are recognised globally.

On offer is a fantastic package, best in class training from industry experts and an exciting pipeline of projects to sharpen your skills.

This role would suit a Application Developer or Architect with active eDV (Enhanced Developed Vetting Security Clearance) that wants to work on the tech industries most complex and technical challenges.

THE ROLE:

Work from home and secure sites in your local area

Work collaboratively with other team members to build robust Web Apps

Check and sign off code in Java and other Web App languages

Discuss the SDLC with senior team members and management

Solve complex technical challenges

THE PERSON:

Web App development or Architect experience

eDV Clearance that is active

Reference: BBBH21973

If you are interested in this role, click ‘Apply Now’ to forward an up-to-date copy of your CV.

We are an equal opportunities employer and welcome applications from all suitable candidates.

The salary advertised is a guideline for this position. The remuneration offered will be dependent on the extent of your experience, qualifications, and skill set.

VP of Engineering

Harnham - Data & Analytics Recruitment

VP of Engineering - Scale an AI Platform to Enterprise Dominance (London 2-3 days a week - Hybrid)

Are you a visionary engineering leader ready to build the foundational technology that will shape the future of enterprise AI?

My client, a high-growth, deeply technical startup based in London (Hybrid), is seeking a VP of Engineering to scale their entire engineering function. This is a rare opportunity to join the founding team alongside the CTO, transforming a strong v1 platform into a global, enterprise-grade solution that is already helping billion-dollar companies like Parsons, Ferrovial, and Vinci realise tangible productivity gains from their AI deployments.

We are looking for someone who builds with urgency, leads with clarity, and is passionate about reimagining how work gets done through automation and AI.

The Role & Your Impact

Reporting directly to the CEO, you will be the driving force behind the platform’s technical vision, engineering systems, and team growth.

Key Responsibilities:

Scale the Platform: Lead technical strategy and system architecture to ensure fast, secure, and scalable delivery of product milestones for an enterprise-grade infrastructure platform.

Technical Roadmap: Translate product vision into actionable technical roadmaps, make critical build-vs-buy decisions, and proactively manage technical debt.

Engineering Excellence: Establish world-class engineering systems for high-quality code, rigorous testing, and exceptional reliability. Own and drive key performance metrics.

Leadership & Culture: Build and mentor high-performance teams, fostering a culture grounded in ownership, urgency, and technical rigor.

What You’ll Bring

Proven Scaling Experience: Track record of shipping enterprise-grade software at scale, with experience helping a business scale its platform to at least $10M ARR.

Leadership in Growth: Significant experience leading engineering organizations in early-stage or high-growth environments.

Deep Technical Acumen: Strong expertise in systems design, architecture, and infrastructure.

Bias for Action: Obsession with speed, product quality, and user outcomes. Clear communicator with a bias toward action and simplicity.

Compensation & Next Steps

This high-impact leadership role offers a competitive package, with a salary up to £180,000, depending on experience.

If you are excited to deliver real results to some of the world’s most advanced enterprises and have the technical rigor to build something foundational, apply now for a confidential discussion.

PAVA Engineer

Odin Recruitment Group

ODIN Recruitment is currently seeking experienced PAVA Engineers (Public Address Voice Alarm) for a major project starting in November in Central London.

Key Responsibilities:

Installation and commissioning of PAVA systems

Working alongside structured cabling teams

Ensuring compliance with site safety and installation standards

Requirements:

Proven experience with PAVA systems

Valid ECS or CSCS card

Ability to work independently and as part of a team

Strong attention to detail and commitment to quality

All candidates will be subject to background and quality assurance checks

What We Offer:

3-month contract with potential for extension

Supportive project management and site supervision

Opportunity to work on a flagship London project

Senior ServiceNow Developer

Arden Resourcing Limited

Salary up to 85k.

I am recruiting a Senior ServiceNow Developer on behalf of my client who is a leading ServiceNow partner.The Technical Consultants design and build high quality ServiceNow solutions for a range of projects and clients.

This role is hybrid working and you would need to be office based two days per week (Tuesday & Thursday).

In this role you will be tasked with:

Developing on the ServiceNow platform to meet business/client requirements

Engaging with Operate team and other GIS teams to analyse, document, and report on work completed to ensure compliance with Company Procedures

Implement new functionality for customers while using ServiceNow best practices

Assist in troubleshooting ServiceNow upgrades, patching, and release management

Provide analysis of problems and possible solutions

You will have:

5 years’ experience developing the ServiceNow platform

Experience with common web and platform technologies (XML, JavaScript, JSON, HTML, CSS etc)

ServiceNow Certified System Administrator accreditation required, and having CIS-CSM / CIS-ITSM, ITIL v4 Foundation would be advantageous

Lead Developer Live Link Systems Upgrade

JOB DESCRIPTION AND PROFILE****Job Title: EDRMS Upgrade ConsultantDepartment: ITLocation: Central London (Hybrid - 2 days on-site, 3 days remote)Contract: Outside IR35Rate: £550 per day

Background

The purpose of this role is to work alongside the in-house support team and lead the upgrade of the current Content Server system from version 22.1 to 24.4.

The candidate must demonstrate prior experience upgrading medium-scale systems (approximately 4,000 users) with multiple customisations and integrations, along with a strong development background in oscript.

Scope of Services

Perform technical assessments and impact analysis to determine level of effort for requested work.

Lead the parallel upgrade of the current Content Server 22.1 system to version 24.4, through development, UAT, and production environments.

Liaise with technical teams to build new server clusters and configure the system, scaling both vertically and horizontally in a load-balanced environment.

Update and migrate custom modules & patches (oscript).

Assist in configuration of integrated applications (Java / REST).

Deliverables

Configure new OTDS installation and migrate existing data.

Perform index migration/rebuild as required.

Conduct fault finding and performance tuning.

Carry out functional testing of business-specific processes.

Support all software during delivery into production, including formal handover with documentation to the support team.

Provide input to project initiation and project reviews to ensure production maintenance and support are not compromised by implementation.

Undertake additional tasks as directed by management.

Essential Skills, Experience & Qualifications

Experienced IT Consultant with development and production expertise in Content Server v16.x and above.

Hands-on experience upgrading Content Server systems in multi-server clustered environments (Wintel).

Knowledge of OTDS implementations and data migration.

Knowledge and experience of Oracle databases, including SQL and stored procedures.

Development expertise in oscript (cside), Java (CWS and REST), and WebReports.

Knowledge of Content Server Records Management.

Competencies & Personal Attributes

Creativity and imagination.

Strong team player.

Excellent problem-solving skills.

Effective communication skills.

Quick learner, eager to leverage technologies in a dynamic environment and self-educate on new releases, reporting issues where identified.

Ability to work under pressure, with extended schedules, tight deadlines, and conflicting priorities.

Sensitivity and effectiveness in multicultural environments.

Eames Consulting is acting as an Employment Business in relation to this vacancy.

GCP - Technical Delivery Lead

Tenth Revolution Group

Technical Delivery Lead - GCP

London Full-Time 6-Month Rolling Contract £600/day Hybrid (3 Days Onsite)

A leading consultancy working with an end client in the banking and financial services sector is seeking an experienced Technical Delivery Lead to oversee the delivery of a large-scale data platform built on Google Cloud Platform (GCP).

This role requires proven experience delivering cloud-based data solutions within banking environments, with a strong understanding of regulatory frameworks, data governance, and stakeholder engagement in financial settings.

Key Responsibilities

Lead end-to-end delivery of GCP-based data platform initiatives.

Coordinate cross-functional teams across data engineering, architecture, QA, and DevOps.

Ensure alignment with Agile, DevOps, and CI/CD best practices.

Manage stakeholder expectations and proactively mitigate delivery risks.

Support architecture evolution and ensure compliance with banking governance standards.

Ideal Candidate

10+ years in technology delivery, with 3+ years leading cloud data projects (GCP preferred).

Must have experience delivering data platforms in banking or financial services.

Strong knowledge of GCP services (BigQuery, Dataflow, Pub/Sub).

Familiarity with ETL/ELT, data lakehouse architectures, and cloud integration.

Excellent leadership, communication, and stakeholder management skills.

Understanding of data governance frameworks (GDPR, HIPAA, RBAC).

**Interested?**Apply now or message for a confidential conversation.

Integration and Solution Architect

An International Bank is looking to hire an Integration and Solutions Architect on a permanent basis to be based out of its central London office.

The main remit of the role will be to design, implement and manage complex software integration solutions that ensure the seamless integration of systems, applications and services across the bank.

Key Responsibilities

Develop and document high-level architecture designs, solution blueprints, and integration strategies that align with the bank’s business requirements.

Lead the design and delivery of complex integrations involving cloud solutions (public, private and SaaS)

Design and oversee the implementation of end-to-end integrations using middleware platforms, APIs, microservices, and other technologies.

Partner with cross-functional teams, including Software Engineers, Data Engineers, DevPps and Business Analysts, to ensure successful project delivery

Skills & Experience

Bachelor’s or Master’s degree in Computer Science, Information Technology or equivalent experience

Experience of overseeing and driving technology transformation within the banking sector

Proven experience in developing integration solutions with on-premises and cloud-based applications

Familiarity with Agile methodologies and DevOps practices.

This is a great opportunity to be part of a ground-breaking transformation programme, so please send your CV to Michael Moretti for immediate consideration.

Enterprise Architect, Banking, London Hybrid 3 days

Enterprise Architect - Banking - Salary up to £130,000 The opportunity is based in London, Hybrid 3 days a week in the office. Our market leading Retail and Business Banking client is looking for an Enterprise Architect to join the team. Essential Skills and Responsibilities: Successful track history of aligning a Banking Organisations IT strategy with its business goals, ensuring efficient and secure technology infrastructure. If you are interested in this role, please apply with an up to date version of your CV and I’ll get back to all suitable candidates as soon as possible.

Technical Architect - Credit Cards

Technical Architect - Credit Cards - Salary up to £130,000 The opportunity is based in London, Hybrid 3 days a week in the office. Our market leading Banking client is looking for a Technical Architect to come on board with a strong background in Credit Cards, specifically Acquiring. Essential Skills and Responsibilities: Subject Matter Experience in Credit Cards Acquiring Systems (Ideally both Technical and Functional). Successful track history of Technical and Functional Architecture Design and Delivery. If you are interested in this role, please apply with an up to date version of your CV and I’ll get back to all suitable candidates as soon as possible.

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Frequently asked questions

What is a Technical Architect?

A Technical Architect is a senior IT professional responsible for designing and overseeing the implementation of technical solutions, ensuring they align with business goals and technical requirements.

What skills are required for Technical Architect jobs in London?

Key skills include expertise in software architecture, cloud technologies, system integration, strong communication abilities, and experience with platforms like AWS, Azure, or Google Cloud.

What is the typical salary range for Technical Architects in London?

Salaries typically range from £70,000 to £110,000 per year, depending on experience, sector, and specific company requirements.

How can I apply for Technical Architect jobs in London on Haystack?

You can browse available Technical Architect positions on our website, create a profile, upload your CV, and apply directly through the job listings.

Do I need specific certifications to become a Technical Architect in London?

While not always mandatory, certifications such as TOGAF, AWS Certified Solutions Architect, or Microsoft Azure certifications can enhance your profile and improve job prospects.

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