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Für Freiberuflich in London

Referenz: LP009-014_1645694566

AWS Cloud Platform Engineer | Outside IR35

England, London

  • 550 to 650 GBP
  • DevOps Stelle
  • Fähigkeiten: AWS Cloud Platform Engineer | Outside IR35
  • Seniority: Senior


Jefferson Frank are working with a growing start up consultancy that has just gone live with a new greenfield project for a large Financial organisation, as part of a rapid scale up process we are looking for several AWS Cloud Platform Engineers currently. The roles will be Outside IR35, long term contract and fully remote.

You will be responsible for building, testing, packaging, deploying and operating an enterprise scale cloud platform alongside shared platform tooling within the AWS cloud. You will use your development skills to automate the build of infrastructure resources within AWS, along with the packaging of services into AMIs, Docker containers or Serverless deployments.

Must have:

* Hands on commercial experience with key AWS services, experience with AWS Landing Zone / Control Tower would be super desirable, not mandatory
* Building AWS resources using infrastructure as code using Terraform or Cloud Formation and Packer
* Building, deploying and operating Docker containers
* A deep understanding and experience of building, testing, packaging, releasing and deploying code & services within a team based environment
* Linux system administration
* Technically inquisitive, team player and willingness to collaborate and contribute

Desirable skills:

* Hands on experience of working with key AWS security services
* Knowledgeable about the key security risks that are present when using AWS and how these can be prevented, detected and remediated
* AWS associate, professional or speciality certification
* Hands on experience of using key Azure services
* Delivering within an agile environment
* Implementing and working with continuous integration / continuous delivery pipelines
* Development background, with experience in common programming languages e.g. Python
* Kubernetes administration

AWS Cloud Platform Engineer | Outside IR35 | Remote

Please apply, or feel free to reach out to me confidentially on l.porter@jeffersonfrank.com

Referenz: 50112711_1646411716

DevOps Engineer - Blockchain

England, London

  • 600 to 700 GBP
  • DevOps Stelle
  • Fähigkeiten: DevOps / blockchain / testnet / mainnet / Kubernetes / Linux / Ansible / Terraform / Docker / AWS / TCP/IP / DNS / SSL/ TLS / cryptocurrencies
  • Seniority: Senior


About the Role

This role is remote.

We are looking for DevOps Engineer to join the Engineering team as we are on a mission to build and deliver the most sophisticated crypto-trading platform out there.


* Build, improve, maintain, and upgrade clusters of dozens of blockchain daemons/consensus nodes in a scalable and highly redundant fashion
* Deploy testnet & mainnet blockchain daemons/consensus nodes, monitor proactively for performance bottlenecks and unusual behaviour, optimise performance in production
* Develop systems for rolling out patches/updates/infrastructure in an automated fashion
* Provide blockchain as a service to the crypto gateway engineering team
* Implement robust metrics and monitoring of blockchain infrastructure
* Write good quality policies, procedures and technical documentation


* 5+ years of experience in dev-ops
* Experience operating Kubernetes
* Experience with administrating Linux systems
* Configuration management (Ansible, Terraform, Docker)
* Experience with cloud platform services and tooling (AWS)
* Working understanding of TCP/IP network stack
* Understand DNS, SSL/ TLS, and how traffic on IP networks establishes end-to-end security and trust.
* Strong passion for Bitcoin and other cryptocurrencies
* Fluent English language skills are required

Referenz: 7459_1647541471

React Developer - Blockchain

England, London

  • 500 to 600 GBP
  • DevOps Stelle
  • Fähigkeiten: react / blockchain / testnet / mainnet / Kubernetes / Linux / Ansible / Terraform / Docker / AWS / TCP/IP / DNS / SSL/ TLS / cryptocurrencies
  • Seniority: Senior


React Developer

My client has an opening for a React Developer to join a fast-growing blockchain organisation specialising in the Defi space. They are transforming one of the UK's biggest industries.

The team is at the forefront of emerging tech and using the latest cutting-edge languages to innovate and build suite of products all utilising best practices in terms of product design and development.


* You will come in and deliver high quality front end development for the platform
* Ensuring high performance and responsiveness from the front end
* You will work with user personas, employing were appropriate, rapid-prototyping, user journeys, and testing in both Lean and Agile approaches
* You'll have every opportunity to contribute to design discussions and technology choices across engineering, so input and influence will be enjoyed
* You'll have commercial React development experience and be used to ensuring high performance and responsiveness from the front end
* Any wider JavaScript knowledge, Meteor, Node.JS for example will be beneficial.
* Responsive design, CSS pre-processing platforms, such as LESS and SASS will be advantageous.
* Taking ownership of your testing and ideally writing unit tests with Jest will be a big plus.

Referenz: AWSDEVO37595_1646396746

AWS DevOps Engineer - Remote - Inside IR35

England, London

  • Negotiable
  • DevOps Stelle
  • Fähigkeiten: AWS, DevOps, Terraform, Kubernetes, Ansible, Git
  • Seniority: Mid-level


AWS DevOps Engineer - Remote

Jefferson Frank are currently recruiting for an AWS DevOps Engineer to work with one of our clients who are a consultancy who specialise in the cloud. We are looking for DevOps Engineers with hands-on experience engineering of AWS, CICD methods and platform automation. A good engineering and application development background is also needed.

For this role we would like to find out about your recent projects, demonstrating your skill and proven application of the below technologies.


* Extensive experience setting up and configuring AWS services, including EC2, ECS, Route53 and CloudFront.
* Ability to create and configure CI/CD pipelines using CodeBuild, CodePipeline, Gitlab CI or Jenkins.
* Configuration management with Ansible, Terraform or CloudFormation.
* Scripting in Bash or Python.
* Experience in the provisioning of monitoring dashboards using tools such as Datadog, Splunk or Grafana.

Desirable skills and experience:

* Experience with using container technologies such as Docker and orchestration tools such as Kubernetes.
* Experience with other cloud providers such as Azure and Google Cloud.
* Use of Kong or AWS API Gateways.

AWS DevOps Engineer | Terraform | Scripting | Remote | 3-6 months

If you like the sound of the role or know someone who would, regardless of experience, please don't hesitate to get in touch with me! You can call me direct on 0203 826 6676, email f.harman@jeffersonfrank.com or click apply on the advert and I will get back to you ASAP.

AWS DevOps Engineer | Terraform | Scripting | Remote | 3-6 months

Referenz: CA - 004_1647439766

DevOps Software Engineer | Full Remote | Insider IR35

England, London

  • 650 to 750 GBP
  • DevOps Stelle
  • Fähigkeiten: DevOps Software Engineer
  • Seniority: Mid-level


Jefferson Frank are working with a highly desirable company to work for based in London, UK. They are seeking a Devops Engineer to join the organisation on a contract basis. Inside IR35. Fully remote. 1 stage interview

* Contractual Base Location: Fully Remote - occasional travel to London may be needed which can be expensed
* Target Start Date: ASAP 28/03
* SC Cleared*

NATIONAL SECURITY CLEARANCE must be active and transferable. Please make sure before submitting your candidate.
Clearance remains valid providing the following criteria are met:
1. Security clearances must not be more than 10 years old or 7 years for DV; and it must have more than a year remaining before expiry - ideally 18 months
2. Candidate has taken up post within 6 months of the clearance being granted.
3. The individual must have worked on a government contract or for a government department/Police Force in a role requiring NSV clearance within the last 12 months;
4. The individual must not have resided overseas for more than 6 months during the break in service between government contracts.

*As a last resort will accept SC clearable but this must be reflected in the rate as they will not be able to access as lot of the work until SC is approved.

Key duties and responsibilities:

1. Liaising with stakeholders to understand systems and the business problem which needs to be solved
2. Collaborate with a team of engineers to deliver positive outcomes
3. Design, develop and optimise reliable and resilient platforms and deployment pipelines
5. Implement software deployment strategies for CI/CD
6. Advocate DevOps ways of working and culture

Required Industry and Competencies:

1. Familiar with Bash, Golang, Java, JavaScript, Perl, Python, Ruby (3)
2. Experience with Public Cloud Services (Azure, AWS, etc.) (3)
3. Experience working with automation tooling (Terraform, Ansible, etc.) (3)
4. Experience with containers (Docker, etc.) (3)
5. Experience with various managed and self-hosted CI/CD tooling (Azure DevOps, Jenkins, etc) (3)
6. Understanding of DNS, TCPDUMP, CDNS, SSL, Git, Firewalls and networking concepts (VPC, subnetting, VPNs, etc).


* Ansible
* Azure DevOps
* Java
* JavaScript
* Jenkins
* Python
* Terraform

If you or anyone you know are seeking a position of this kind please get in touch immediately via C.abrehart@jeffersonfrank.com alternatively call on 0203 911 9852.