Date posted
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Locations
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- Cambourne
- Clerkenwell
- Grays Inn
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- Moorgate
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- Southwark
- St James
- The City, City (EC3)
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53 Contract API jobs in Central London + 20 miles
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Software Developer - Full Stack
Software Developer - Full Stack
AWD Online
Hounslow (TW4)
From £35,000 to £40,000 per annum pro rata + Benefits
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
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Senior C# Engineer - AI Native & Agentic Engineering, AWS, Lambda, SQS
Senior C# Engineer - AI Native & Agentic Engineering, AWS, Lambda, SQS
Smart Sourcer Limited
City of London (EC1)
From £700 to £800 per day OUTSIDE IR35
Strong authority across AWS serverless Lambda-first thinking, plus API Gateway, SQS, Step Functions, EventBridge and IAM. * Strong API design sensibility: versioning, documentation, throttling, backwards compatibility and a genuine obsession with DX.
Strong authority across AWS serverless Lambda-first thinking, plus API Gateway, SQS, Step Functions, EventBridge and IAM. * Strong API design sensibility: versioning, documentation, throttling, backwards compatibility and a genuine obsession with DX.
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Proven track record in test automation frameworks (e.g. Jest, API/integration testing, end-to-end testing)
Proven track record in test automation frameworks (e.g. Jest, API/integration testing, end-to-end testing)
G.R.E. Recruitment is delighted to partner with a leading Insurance based company and support them with the hire of x3 Guidewire professionals to work on various projects. These roles are based in London on a hybrid basis (up to twice per week in the office), they are initially for 6 months with potential to extend. Preference will be given to candidates immediately available and up to 2-3 weeks notice. 1. Guidewire Technical Architect - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 8+ yrs exp working as a Guidewire Architect 2. 3. Guidewire Lead Business Analyst - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 6+ yrs exp working in a Guidewire XCenter BA role If you're interested in finding out more, Apply NOW!
G.R.E. Recruitment is delighted to partner with a leading Insurance based company and support them with the hire of x3 Guidewire professionals to work on various projects. These roles are based in London on a hybrid basis (up to twice per week in the office), they are initially for 6 months with potential to extend. Preference will be given to candidates immediately available and up to 2-3 weeks notice. 1. Guidewire Technical Architect - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 8+ yrs exp working as a Guidewire Architect 2. 3. Guidewire Lead Business Analyst - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 6+ yrs exp working in a Guidewire XCenter BA role If you're interested in finding out more, Apply NOW!
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AI Automation Engineer - SC Cleared
AI Automation Engineer - SC Cleared
VIQU IT Recruitment
City of London, London, EC2M 7PY
£300 - 400 per day + Inside IR35
Senior QA / SDET with experience across web, mobile, API, desktop, and cloud testing * Demonstrable success in large-scale automation delivery, including high-volume API automation and measurable cost optimisation * Experience across cross-platform testing (web, mobile, API, desktop) with strong functional and automation coverage
Senior QA / SDET with experience across web, mobile, API, desktop, and cloud testing * Demonstrable success in large-scale automation delivery, including high-volume API automation and measurable cost optimisation * Experience across cross-platform testing (web, mobile, API, desktop) with strong functional and automation coverage
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Strong Python engineering (API design, data pipelines, cloud-native development)
Strong Python engineering (API design, data pipelines, cloud-native development)
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Python Developer - Fully Remote - 6 Month Contract Role
Python Developer - Fully Remote - 6 Month Contract Role
G.R.E. Recruitment Limited
City of London (EC1)
£450 per day
Primary skills - Python, FAST API, React & Containerization (Docker) * Experience with API development, related services, and controllers * Database connectivity modules (preferably with FAST API, SQLAlchemy, or similar
Primary skills - Python, FAST API, React & Containerization (Docker) * Experience with API development, related services, and controllers * Database connectivity modules (preferably with FAST API, SQLAlchemy, or similar
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Execute API security testing to assess authentication, data access, and integration risks. Experience performing API and configuration reviews.
Execute API security testing to assess authentication, data access, and integration risks. Experience performing API and configuration reviews.
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IFS Security Architect Outside IR35
IFS Security Architect Outside IR35
Cathcart Technology
Watford, Hertfordshire, WD17 1EU
£600 - £650 per day
Own and evolve the IFS Cloud security architecture (roles, permission sets, data + API security)
Own and evolve the IFS Cloud security architecture (roles, permission sets, data + API security)
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Java Software Engineer
Java Software Engineer
Sanderson Recruitment
South West London (SW1), SW1
Up to £600 per day + Inside IR-35
REST API development
REST API development
FEATURED
Product Manager - IAM / CIAM
Product Manager - IAM / CIAM
Sanderson Recruitment
City of London (EC1), EC1
£650 - £700 per day + Umbrella engagement
Strong understanding of security concepts (e.g. web/API security, OAuth, IAM)
Strong understanding of security concepts (e.g. web/API security, OAuth, IAM)
FEATURED
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API-driven platform delivery experience
API-driven platform delivery experience
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Solution Architect / Systems Architect / Principal Engineer
Solution Architect / Systems Architect / Principal Engineer
Fractal Systems Ltd
City of London (EC1)
£700 per day Outside IR35
Drive API-first and event-driven architectures.
Drive API-first and event-driven architectures.
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API integration and automation
API integration and automation
FEATURED
Senior Product Owner / Head of Product - Fintech / Payments
Senior Product Owner / Head of Product - Fintech / Payments
Sanderson Recruitment
City of London (EC1), EC1
£95000 - £110000 per annum + Benefits
FinTech / Payments - Growth & Commercial focussed role but someone with strong API and technical knowledge * Own API strategy and enablement, ensuring seamless integration with partner technologies and external devices.
FinTech / Payments - Growth & Commercial focussed role but someone with strong API and technical knowledge * Own API strategy and enablement, ensuring seamless integration with partner technologies and external devices.
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Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
FEATURED
Lead Solution Architect
Lead Solution Architect
TurleyWay Limited
Central London (W1)
From £700 to £850 per day inside IR35, Hybrid Working
Are you an experienced Solution Architect looking for an exciting contract opportunity? Would you like to join a market leading PE backed business in a newly created high-profile delivery focused role? Can you demonstrate a track record of delivery across ERP Systems, Data Platforms and Artificial Intelligence Capabilities? Do you have exceptional communication skills and the ability to influence non-technical stakeholders and senior leadership? This an exciting opportunity for an exceptional Solution Architect who will be responsible for designing, shaping, and assuring end-to-end solution architectures across core enterprise platforms, with a primary focus on ERP, data platforms, and AI-enabled solutions. This is a hands-on architecture role, embedded within delivery. The role works closely with Product Owners, Business Analysts, engineers, vendors, and system ...
Are you an experienced Solution Architect looking for an exciting contract opportunity? Would you like to join a market leading PE backed business in a newly created high-profile delivery focused role? Can you demonstrate a track record of delivery across ERP Systems, Data Platforms and Artificial Intelligence Capabilities? Do you have exceptional communication skills and the ability to influence non-technical stakeholders and senior leadership? This an exciting opportunity for an exceptional Solution Architect who will be responsible for designing, shaping, and assuring end-to-end solution architectures across core enterprise platforms, with a primary focus on ERP, data platforms, and AI-enabled solutions. This is a hands-on architecture role, embedded within delivery. The role works closely with Product Owners, Business Analysts, engineers, vendors, and system ...
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We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
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Contract Data Architect GCP
Contract Data Architect GCP
Crosstide
The City, City of London (EC3), EC3V 3NB
Very competitive day rate
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
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Your new company - You will be joining a leading organisation delivering critical financial services and digital transformation initiatives within a highly secure, government-aligned environment. Working through a major global technology partner, you'll contribute to a large-scale programme focused on modernising banking platforms and payment services. Your new role - As a Technical Architect, you will play a key role in shaping and delivering complex architecture solutions across banking and financial services platforms. You'll be responsible for designing scalable, secure, and high-performing systems, with a particular focus on payment integration and modern cloud-native environments. You will work closely with internal teams and third-party vendors to ensure seamless integration across platforms such as product accounting, risk, and financial crime systems.
Your new company - You will be joining a leading organisation delivering critical financial services and digital transformation initiatives within a highly secure, government-aligned environment. Working through a major global technology partner, you'll contribute to a large-scale programme focused on modernising banking platforms and payment services. Your new role - As a Technical Architect, you will play a key role in shaping and delivering complex architecture solutions across banking and financial services platforms. You'll be responsible for designing scalable, secure, and high-performing systems, with a particular focus on payment integration and modern cloud-native environments. You will work closely with internal teams and third-party vendors to ensure seamless integration across platforms such as product accounting, risk, and financial crime systems.
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Senior AI Engineer (SC + NPPV3 Cleared) Location: (Hybrid – flexible office/remote split) Rate: Competitive Contract Day Rate (Dependent on experience) Clearance: Active SC Clearance (Required), NPPV3 (Highly Desirable) The Role - On behalf of our client, we are seeking a Senior AI Engineer to drive the industrialisation of enterprise-grade AI capabilities across their secure cloud environments. In this role, you will bridge the gap between advanced AI research and mission-critical production systems. You will lead the design and deployment of resilient, stateful agentic workflows, scalable RAG architectures, and highly secure interoperability frameworks. This is a hands-on technical role focused on building sovereign, compliant, and autonomous AI solutions that scale. What You’ll Do * Architect Agentic Systems: Design and deploy production-ready multi-agent ecosystems capable ...
Senior AI Engineer (SC + NPPV3 Cleared) Location: (Hybrid – flexible office/remote split) Rate: Competitive Contract Day Rate (Dependent on experience) Clearance: Active SC Clearance (Required), NPPV3 (Highly Desirable) The Role - On behalf of our client, we are seeking a Senior AI Engineer to drive the industrialisation of enterprise-grade AI capabilities across their secure cloud environments. In this role, you will bridge the gap between advanced AI research and mission-critical production systems. You will lead the design and deployment of resilient, stateful agentic workflows, scalable RAG architectures, and highly secure interoperability frameworks. This is a hands-on technical role focused on building sovereign, compliant, and autonomous AI solutions that scale. What You’ll Do * Architect Agentic Systems: Design and deploy production-ready multi-agent ecosystems capable ...
NEWFEATURED
An established professional services organisation is seeking a Full Stack Developer to join its IT team. You'll play a key role in designing and delivering bespoke applications that support internal teams and clients, working within a collaborative, global agile environment. This is a hands-on development role where you'll contribute to building high-quality web solutions, influence technical direction, and help deliver impactful digital products. Key Responsibilities - Develop and maintain full stack web applications - Collaborate with product owners and agile teams to deliver enhancements and new products - Analyse requirements and define technical solutions - Provide guidance on best practices, technologies, and development approaches - Work closely with stakeholders across the business - Contribute to continuous improvement and knowledge sharing within the team
An established professional services organisation is seeking a Full Stack Developer to join its IT team. You'll play a key role in designing and delivering bespoke applications that support internal teams and clients, working within a collaborative, global agile environment. This is a hands-on development role where you'll contribute to building high-quality web solutions, influence technical direction, and help deliver impactful digital products. Key Responsibilities - Develop and maintain full stack web applications - Collaborate with product owners and agile teams to deliver enhancements and new products - Analyse requirements and define technical solutions - Provide guidance on best practices, technologies, and development approaches - Work closely with stakeholders across the business - Contribute to continuous improvement and knowledge sharing within the team
Up to £550 per day (Inside IR35) London (remote with ad-hoc on site) A client of mine is currently looking for an experienced Senior Network Architect to support them on a short-term contract, with extensive experience designing and documenting large-scale Cisco SD-Access solutions. * Demonstrated experience leading the design of Cisco SD-Access solutions within complex, large-scale enterprise environments * Strong hands-on capability across Cisco DNA Center (DNAC), Cisco ISE, and TrustSec, with a solid grounding in Software-Defined Access architectures * Comfortable working at depth with core SDA technologies, including VXLAN and LISP, and applying these within fabric-based enterprise networks * Proven understanding of SD-Access fabric design principles, including segmentation models using Virtual Networks (VN) and Scalable Group Tags (SGT)
Up to £550 per day (Inside IR35) London (remote with ad-hoc on site) A client of mine is currently looking for an experienced Senior Network Architect to support them on a short-term contract, with extensive experience designing and documenting large-scale Cisco SD-Access solutions. * Demonstrated experience leading the design of Cisco SD-Access solutions within complex, large-scale enterprise environments * Strong hands-on capability across Cisco DNA Center (DNAC), Cisco ISE, and TrustSec, with a solid grounding in Software-Defined Access architectures * Comfortable working at depth with core SDA technologies, including VXLAN and LISP, and applying these within fabric-based enterprise networks * Proven understanding of SD-Access fabric design principles, including segmentation models using Virtual Networks (VN) and Scalable Group Tags (SGT)
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Were looking for a AI Engineer for a public sector organisation to be based remotely on an initial 3-month contract, paying up to £530 per day (Inside IR35). There is an expectation to attend the office in London or Swindon 1 day per month. The successful AI Engineer will join a growing data team supporting the development of a modern AWS-based data platform while contributing to emerging AI initiatives. This is a hands-on role combining data engineering, business intelligence and analytics, working across both BAU support and new capability development. You will help build and optimise data pipelines, improve reporting capabilities and support the delivery of innovative data and AI solutions. AWS data engineering technologies including Glue, S3, Lambda, Redshift and Athena - Advanced SQL and strong Python development skills
Were looking for a AI Engineer for a public sector organisation to be based remotely on an initial 3-month contract, paying up to £530 per day (Inside IR35). There is an expectation to attend the office in London or Swindon 1 day per month. The successful AI Engineer will join a growing data team supporting the development of a modern AWS-based data platform while contributing to emerging AI initiatives. This is a hands-on role combining data engineering, business intelligence and analytics, working across both BAU support and new capability development. You will help build and optimise data pipelines, improve reporting capabilities and support the delivery of innovative data and AI solutions. AWS data engineering technologies including Glue, S3, Lambda, Redshift and Athena - Advanced SQL and strong Python development skills
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London - x3 days onsite - 3-6 months initially - Inside IR35 - umbrella only - Job description - We are seeking 2 talented and detail-oriented Data Analysts to join the Identity and Access team. This role will focus on reviewing and ensuring the integrity of identity data flowing end-to-end from MyHR, One Identity, Active Directory, and Entra systems. The successful candidate will be responsible for verifying the accuracy of existing identity attributes, identifying any additional fields required for dynamic content mapping, and ensuring that reporting is both current and reflective of any changes. The initial scope will cover the domain for employees and contractors, followed by non-human accounts, with subsequent extension to additional domains such as MNSSTORES for store colleagues. Key Responsibilities
London - x3 days onsite - 3-6 months initially - Inside IR35 - umbrella only - Job description - We are seeking 2 talented and detail-oriented Data Analysts to join the Identity and Access team. This role will focus on reviewing and ensuring the integrity of identity data flowing end-to-end from MyHR, One Identity, Active Directory, and Entra systems. The successful candidate will be responsible for verifying the accuracy of existing identity attributes, identifying any additional fields required for dynamic content mapping, and ensuring that reporting is both current and reflective of any changes. The initial scope will cover the domain for employees and contractors, followed by non-human accounts, with subsequent extension to additional domains such as MNSSTORES for store colleagues. Key Responsibilities
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Related Jobs
Locations
- Cambourne
- Clerkenwell
- Grays Inn
- Maidenhead Thicket
- Moorgate
- Silverstone
- Southwark
- St James
- The City, City (EC3)
- Tower Hill
- City of London
- Central London
- Reading
- West End
- Oxford
- Cambridge
- Farnborough
- Leatherhead
- Luton
- Maidenhead
- London
- Berkshire
- Oxfordshire
- Hertfordshire
- Bedfordshire
- Buckinghamshire
- Cambridgeshire
- Hampshire
- Surrey
- Northamptonshire
- South East
- East Anglia
- East Midlands
- Midlands