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For Freelance In London

NouveauRef: 03/03/2021OH_1614778745

Scala Developer

England, London

  • 400 to 500 GBP
  • Engineer Role
  • Skills: 8Scala Developer *Open to EU Candidates**
  • Seniority: Mid-level

Description du poste

Job Description- My Client is currently recruiting for a Scala developer / engineer as they are currently scaling their business practices on a global level, and are growing rapidly by the day. They are really looking at this hire to become a fundamental member of the team and help continue the growth of the business even further than it is today.

Role & Responsibilities

* Lead technical decisions related to how my client undertakes upcoming projects
* You will be needed to work as part of a full stack team to develop solutions, to ensure maximum experiences for my clients customers
* Being heavily involved in making back end infrastructure changes around data structures in Data bases , transitioning data to new types and then deploying safely to production after testing.
* My client is looking mainly for experienced candidates who can gather goals and then operate in a team but comparatively autonomously guiding their work safely to production.

Skills & Qualifications

* Experience in PostgreSQL and mySQL
* Extensive experience using Scala
* Professional Experience writing web based applications in Scala
* Strong background in a test-driven development environment


* 100% Remote
* Working for one of the fastest growing companies in the UK
* Open to EU candidates to work remotley

Ref: 288012021pr_1612293904

Data/Platform Engineer - Hadoop

England, London, City of London

  • Negotiable
  • Engineer Role
  • Seniority: Senior

Description du poste

Job Title: Data/Platform Engineer - Hadoop

Contract Length: 3 Months

Rate: Negotiable

Start Date: ASAP

**Fully Remote**

Job Description

3 + years of design experience for installation of components within HDP or Cloudera and to include design

* Experience of performance tuning and performance testing HDP Clusters and connected systems.
AND/OR at least 1 project delivered where design of Airflow with solid HA DR were important and
demonstrable components

3 + years of performance testing experience with the following tools:
* · SparkBench, HiveBench, TeraGen/TeraSort/TeraValidate, · TestDFSIO,

3+ years of performance monitoring experience with:
* · Grafana, HDFS, YARN, Ambari, Linux OS,

3+ years performance tuning experience:
* Yarn and Yarn resource allocation architecture · Factors affecting resource utilization of Hadoop clusters ·
Spark Job tuning/parameters · HIVE LLAP Queue capacity

5+ years working knowledge of :
* Hadoop · Spark and SparkSQL · HIVE and HIVE SQL

* Desirable skills: Spark MLib, GraphX or StreamingAwareness and experience with widely successful
Agile techniques: ATDD, TDD, Continuous Integration, Continuous Testing, Pairing, Automated Testing,
Agile Games, Story mapping,

* English Proficient User C2 - Similar to Cambridge English Proficiency (CPE), BULATS score 90-100,
CLB/CELPIP 10-12, CAEL 80-90, IELTS exam 8-9.

Please send your CV to or call direct on 0203 879 8405

Ref: 22012021pr_1611344957

Test Automation Engineer - SC Cleared

England, London

  • Negotiable
  • Engineer Role
  • Seniority: Senior

Description du poste

Job Title: Test Automation Engineer

Contract Length: 3 Months Rolling

Rate: Negotiable £500-£550

IR35 Status: Outside IR35

Start Date: ASAP

**Please note this requires a Security Clearance or you to be eligible**

Job Description:

The Test Automation Engineer will work as a part of the data ops team and perform end to end testing on the data product being delivered as a part of the project.


* Taking ownership of developing our test automation systems, and acting as a subject matter expert in the team for tests and test infrastructure.
* Write reusable and extensible tests which can evolve with the product.
* Use your knowledge to help the product development team build processes and feature specifications that will ensure our end users experience a high-quality, usable, secure, and reliable product.
* Communicate what, how, and why of our test strategy for ensuring quality to your team and external development partners.
* Design and build prototypes and experiments that can validate and improve our system architecture and eliminate gaps in our test approach.
* Work with your team to continually improve the development


* Experience in integration testing
* Experienced in creating test automation frameworks from scratch and writing automated tests using tools such as Selenium, Cucumber, Gherkin, BDD, C# or JavaScript
* Experienced in working on API testing using tools such as Postman and SOAPUI to name a few!
* Experience in using Git Hub and CI/CD

Please send your CV to or call 0203 879 8405

NouveauRef: JFI-ADL-250221_1614257175

Software Engineering Lead (AWS)

England, London

  • 525 to 600 GBP
  • Engineer Role
  • Seniority: Senior

Description du poste

Job Description:

Working on a contract basis for one of the UKs largest leading Software Companies as part of a cross-functional agile engineering team. You will lead from the front in ensuring the best technical solutions for a team working on major strategic projects.

The role requires you to have a wide range of skills and expertise, which you are able to utilise efficiently to help the team achieve its goals of building cloud native applications using various AWS technologies within a micro-services based architecture and an API first approach.

Key Responsibilities:

* Where necessary creating detailed design documentation and ability to present them to key stakeholders
* Working with your Scrum Master and other stakeholders to agree on technical direction
* Designing enterprise level architectures in conjunction with the wider architecture team and presenting those to the scrum team for implementation
* Leading the implementation tasks and working closely with other engineers in the team to ensure prompt completion of sprint goals
* Working closely with DevOps to ensure high standards of delivery
* Mentor colleagues providing advice and guidance on best practice and development techniques


Must Have (Technical):

* Extensive experience of cloud SaaS platforms
* Extensive experience of APIs and Web services
* Experience working with AWS cloud services
* Advanced skills in a wide range of programming languages (C#, Node js,)
* Strong back-end and Database skills (SQL, PostgresSQL, Elasic Search)
* Angular 7 or above
* Strong knowledge of CI/CD systems & pipelines (Team City, etc)
* Excellent understanding of Micro service architectures
* Expert knowledge of Docker
* Experience of using monitoring tools like datadog
* Advanced knowledge of GIT

Must Have (Leadership):

* Experience mentoring and leading technical sessions
* Experience of agile methodologies
* Strong foundations in security considerations


* Experience of using Jira
* Experience of monitoring and logging techniques (ie Graylog)
* Experience using Web sockets


* BSC or equivalent in a software engineering discipline
* AWS certifications