52 systems architect jobs found in London

Role description Generative AI Scientist – Agent‑Based Systems London (3 days onsite) Contract (Inside IR35) or Fixed‑Term Employment   The Opportunity at UST At UST, we transform lives through the power of technology, combining deep engineering expertise, responsible AI, and an empathy‑first mindset to deliver meaningful, real‑world impact. We are seeking a Generative AI Scientist to design and deliver agent‑based, AI‑enabled solutions integrated into complex enterprise environments. This is a hands‑on engineering role, focused on building production‑grade AI systems that move beyond experimentation into scalable, secure, and measurable outcomes for our clients. You’ll work closely with UST’s engineering teams, AI specialists, and business stakeholders to translate high‑value use cases into robust solutions.   What You’ll Be Doing: Build Agent‑Based AI Systems Design and...

Role description Generative AI Scientist – Agent‑Based Systems London (3 days onsite) Contract (Inside IR35) or Fixed‑Term Employment   The Opportunity at UST At UST, we transform lives through the power of technology, combining deep engineering expertise, responsible AI, and an empathy‑first mindset to deliver meaningful, real‑world impact. We are seeking a Generative AI Scientist to design and deliver agent‑based, AI‑enabled solutions integrated into complex enterprise environments. This is a hands‑on engineering role, focused on building production‑grade AI systems that move beyond experimentation into scalable, secure, and measurable outcomes for our clients. You’ll work closely with UST’s engineering teams, AI specialists, and business stakeholders to translate high‑value use cases into robust solutions.   What You’ll Be Doing: Build Agent‑Based AI Systems Design and develop...

  About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote within CET ±3h.   Team Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of more than 10 resilient hybrid games generating more than $20m per year, we are the world's largest and most successful hybrid publisher. Voodoo is creating a talented team with a big mission: find the next best way to entertain the world by...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands-on Java development experience and extensive exposure to AI/ML-driven systems . The ideal candidate will design, build, and scale enterprise-grade applications while integrating modern AI capabilities such as machine learning models, generative AI, and intelligent automation into Back End systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions , integrating ML/AI models into Java-based platforms....

Opening: Join the Mission At ByDesign Secure, we believe that world‑class security should not be an afterthought—it should be the foundation. We are an independent, outputs‑based consultancy delivering some of the UK public sector’s most complex and sensitive security‑critical systems. We are currently supporting a landmark, cross‑government secure IT transformation, architecting private cloud environments from the ground up and modernising end‑user services that underpin national decision‑making. Our model prioritises impact, autonomy, and technical excellence over hierarchy and utilisation. This is an opportunity for a Principal Security Architect to shape not only individual solutions, but the security posture, architectural standards, and strategic direction of nationally significant programmes. About the Opportunity As a Principal Security Architect, you will operate at the highest technical and strategic level within ByDesign Secure. You will...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Technical Product Manager Reference ID: BDS-TPM1 Are you a Technical Product Manager with a passion for delivering...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Principle Security Architect As a Senior Security Architect for ByDesign you will be working on high profile large scale...

*Please only apply if you have hands-on Shopify Plus architecture experience. Strong Shopify theme/front-end development experience alone will not be enough for this role.   About Pluro Pluro is a Shopify agency working with ambitious e-commerce brands, with a focus on Shopify Plus, subscriptions, premium consumer brands, and complex technical delivery.   We work across strategy, Shopify architecture, theme development, app integrations, platform migrations, CRO, and ongoing growth retainers. As the agency grows, we are looking for a contract Solutions Architect to support with discovery, technical planning, client workshops, and delivery handovers.   The Role We are looking for an experienced Solutions Architect who can sit between client requirements, commercial strategy, and technical delivery.   This role is ideal for someone who understands Shopify deeply, can translate business problems into technical solutions, and can...

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires an...

Salesforce Technical Architect (12m Day Rate Contractor) { ʺdescription ʺ: ʺ Job Introduction Main Responsibilities As the Salesforce Architect this role will work closely with the Salesforce Lead Architect to help set the strategic direction and be accountable and lead the design, development and day to day operations of the CRM platform(Salesforce and Other customer platforms) by partnering with senior stakeholders across the business identifying opportunities to deliver business and customer value through the extension of CRM services. • Responsible for the end-to-end design of solutions on the Salesforce platform and other CRM technologies. • Own the architecture of the end-to-end solution. • Lead and mentor the development team in designing solutions for our strategic programmes. • Completion of solution architecture documents and artefacts in line with organisation standards. • Enforce best practices, development standards and ensure...

Job Overview We are seeking a highly skilled API / Integration Architect to lead the design, development, and implementation of complex integration solutions across diverse platforms and systems. The successful candidate will play a pivotal role in shaping our cloud architecture and ensuring seamless connectivity between various enterprise applications. This role offers an exciting opportunity to work on cutting-edge technologies, including microservices, cloud computing, and DevOps practices, within a dynamic and innovative environment. What you’ll be doing: Assessing existing systems and defining API-led integration strategy Data formats, interoperability, authentication and security Designing target integration architecture Supporting data and technical feasibility assessments Identifying opportunities for Automation Contributing to discovery outputs and recommendations Lead the architecture and design of scalable, secure,...

Job Summary We are seeking a highly skilled Data Architect specialising in AI Discovery to join our innovative team. The successful candidate will be responsible for designing, developing, and maintaining robust data architectures that support advanced AI and big data initiatives. This role offers an exciting opportunity to work with cutting-edge technologies and contribute to transformative data-driven projects within a dynamic organisation. The position is paid and suitable for professionals eager to leverage their expertise in cloud platforms, data modelling, and large-scale data processing. Responsibilities Design and implement scalable, efficient data architectures supporting AI discovery initiatives. Develop and maintain data models, database designs, and data warehouses aligned with organisational needs. Collaborate with cross-functional teams to define data requirements and translate them into technical solutions. Manage integration of diverse data...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Technical Product Manager Reference ID: BDS-TPM1 Are you a Technical Product Manager with a passion for delivering...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Principle Security Architect As a Senior Security Architect for ByDesign you will be working on high profile large scale...

Location London, Greater London (Hybrid) Department Data Governance Employment Type Contractor Minimum Experience Experienced Who are we:   Billigence is a boutique data consultancy with global reach, helping organisations transform the way they work with data. We specialise in delivering high-impact data solutions across Business Intelligence, Data Engineering, Data Governance, Cloud Data Platforms, and Advanced Analytics. Headquartered in Sydney with offices across the UK, Europe, and APAC, Billigence partners with organisations to design and implement modern data platforms that drive better decision-making and business outcomes. Our teams work on complex, enterprise-scale data programmes across a variety of industries including retail, financial services, and technology. About the role: Billigence is supporting a large-scale MDM transformation...

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires an...

Data Architect - Outside IR35 "Ready to lead transformation? Join our team that is reshaping data use, reducing complexity, and improving systems. The role involves being a key contributor within a GDS-style Alpha team committed to transforming the use of data for informed decision-making and operational efficiency. Situated within a broader transformation programme, the focus is on reshaping systems and addressing key areas identified in a recent Discovery phase.   Technical requirements: ✔️ Azure/AWS Snowflake/Data Bricks Event Driven Architecture C#/Node/Python Power BI About us 🔓 esynergy is a technology consultancy and we build products, platforms and services to accelerate value for our clients. We drive measurable impact that is tightly aligned to our clients’ business objectives. Put in practice that means high transparency, metric-driven reporting, and incremental handovers and a...

Solution Architect (Contract) Who are we?   Toyota Connected Europe wants to create a better world through connected mobility for all. We are a new company created to bring big data and a customer focus into all aspects of the mobility experience, so everyone’s experience is more personal, convenient, fun and safe. We create and enable technologies to delight and simplify the lives of everyone who use our products and empower them to think of and use our services in new ways.   You will be joining us at the beginning of Toyota Connected Europe’s journey of building our team and products. We are building teams to inspire, innovate and build technologies and products that are used by millions of people from all walks of life. This is an opportunity to have an immediate impact and voice: what you create today, you will see being used tomorrow.   What is the role? Toyota has a multitude of connected car systems...

Full job description Job Summary We are seeking a highly skilled Data Architect specialising in AI Discovery to join our innovative team. The successful candidate will be responsible for designing, developing, and maintaining robust data architectures that support advanced AI and big data initiatives. This role offers an exciting opportunity to work with cutting-edge technologies and contribute to transformative data-driven projects within a dynamic organisation. The position is paid and suitable for professionals eager to leverage their expertise in cloud platforms, data modelling, and large-scale data processing. Responsibilities Design and implement scalable, efficient data architectures supporting AI discovery initiatives. Develop and maintain data models, database designs, and data warehouses aligned with organisational needs. Collaborate with cross-functional teams to define data requirements and translate them into technical solutions....

Job Overview We are seeking a highly skilled API / Integration Architect to lead the design, development, and implementation of complex integration solutions across diverse platforms and systems. The successful candidate will play a pivotal role in shaping our cloud architecture and ensuring seamless connectivity between various enterprise applications. This role offers an exciting opportunity to work on cutting-edge technologies, including microservices, cloud computing, and DevOps practices, within a dynamic and innovative environment. What you’ll be doing: Assessing existing systems and defining API-led integration strategy Data formats, interoperability, authentication and security Designing target integration architecture Supporting data and technical feasibility assessments Identifying opportunities for Automation Contributing to discovery outputs and recommendations Lead the architecture and design of scalable, secure, and...