Outside Spy
  • Join Outside Spy
  • Member Area
  • Blog
  • Member Sign in
  • Sign up
  • Join Outside Spy
  • Member Area
  • Blog

4 senior engineer jobs found

Refine Search
Current Search
senior engineer Hertfordshire
Refine by £ Rate Range
£300 - £400  (1) £400 - £500  (3) £500 - £600  (3)
Refine by City
Watford  (3)
Outside Spy
Apr 10, 2026
up to 6 Months
Senior Python Engineer at djr, Watford, 4 Months, to £550 per day Outside IR35
£450 - £550 per day
Outside Spy Watford, Hertfordshire, UK
Senior Python Engineer (Microservices/Event-Driven) - Contract £550/day | Outside IR35 4 Months | Watford (HYBRID) We're hiring a Senior Python Engineer with proven time-series experience to work on a Real Time data platform. This is a Back End engineering role focused on event-driven systems and time-series data. It is not a data science or analytics position. What You'll Be Doing Building API-driven Back End services in Python Developing event-driven microservices using Azure Service Bus Working on high-throughput ingestion and processing systems Deploying services via Azure Functions or Docker on AKS Core Requirements (Non-Negotiable) Strong Python Back End engineering experience Demonstrable experience: Designing data models for time-based querying Optimising queries and handling large datasets Working within event-driven architectures Tech Environment Python Azure (Functions, AKS, Storage) Azure Service Bus ADX/Kusto or InfluxDB...
Outside Spy
Apr 09, 2026
up to 6 Months
Senior Time-Series Engineer at djr, Watford, 4 Months, to £550 per day Outside IR35
£450 - £550 per day
Outside Spy Watford, Hertfordshire, UK
Senior Time-Series Engineer (Python or .NET) - Contract £550/day Hybrid (Watford) 4 Months Outside IR35 We're supporting a technology-led organisation building high-throughput, event-driven systems operating at scale. They are looking for 2 Senior Engineers (1 Python, 1 .NET/C#) to work on a time-series focused platform powering Real Time data ingestion, storage, and analytics. This is not a standard Back End role. If you haven't actually worked hands-on with time-series data in production, this won't be the right fit. What You'll Be Doing Building API-driven Back End services handling high transactional workloads Designing and optimising time-series data pipelines (ingestion storage query) Working with event-driven architectures using Azure Service Bus Modelling time-series datasets for performance and scalability Implementing retention policies, partitioning strategies, and downsampling Optimising query performance across large-scale datasets Deploying...
Outside Spy
Apr 16, 2026
up to 6 Months
Azure DevOps Engineer - Outside IR35 - Up to £500 per day at Bristow Holland Ltd, Watford, 3 Months, £400-£500 per day
£400 - £500 per day
Outside Spy Watford, UK
We're recruiting a Senior DevOps Engineer to join a growing technology organisation operating at scale in mission-critical, cloud-first environments. You'll play a key role in designing, automating, and improving Azure-based infrastructure and CI/CD pipelines, enabling engineering teams to deliver reliable, secure, high-performance services. This is a hands-on senior role focused on automation, cloud optimisation, and proactive operational excellence-not fire-fighting. What you'll do: Design and run Azure cloud infrastructure at scale Build and standardise CI/CD pipelines and IaC Support containerised platforms (Docker, Kubernetes/AKS) Improve monitoring, security, reliability, and cost efficiency Partner closely with software engineering and QA teams What we're looking for: Strong Azure DevOps/cloud engineering experience CI/CD, IaC, and containerisation expertise Passion for automation, reliability, and best practice In terms of the softer...
Outside Spy
Apr 10, 2026
6 Months or more
Infrastructure Engineer-Outside IR35 at Hydrogen Group, Hertfordshire, 6 Months, £Contract Rate
Outside Spy Hertfordshire, UK
My client, a well known Retail business, is looking for a Senior Infrastructure Engineer with strong experience in identity modernisation, particularly around moving away from Legacy directory services and helping shape a more secure, scalable, cloud first environment. This is an initial 6 month contract, outside of IR35. It requires 2 days per week in the office. This role is ideal for someone who has hands-on expertise in Active Directory rationalisation, Legacy LDAP application migration, and the adoption of modern authentication standards such as SAML, OAuth2 and OpenID Connect. Key Experience Required Identity & Directory Modernisation (Core Focus) Strong experience with Active Directory deprecation, consolidation, and domain dependency reduction Proven track record of assessing and migrating LDAP-based authentication flows to modern identity methods such as SAML, OAuth2 or OpenID Connect Solid understanding of Entra Domain Services (EDS) for supporting Legacy...
  • Info
  • Contact
  • How it works
  • Terms & Conditions
  • Help on Search & Alerts
  • Employer
  • Request Employer Account
  • Employer Sign in
  • Contractor
  • Join for Access
  • Social
  • Twitter
  • LinkedIn
© 2019-2026 Powered by Contract Intelligence