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For CDI & Freelance In United Kingdom

    Ref: 87654321_1652688338

    Senior Software Engineer Hybrid/ up to £75K

    England

    • 70000 to 75000 GBP
    • Engineer Role
    • Skills: Python, javascript, CI/CD, AWS or Azure or GCP
    • Seniority: Senior

    Description du poste

    Senior Software engineer-up to £75k-hybrid



    Who we are:

    Digital marketing agency with a unique business model, recently named Campaign's Global Performance Marketing Agency of the Year. We are recruiting for a Senior Software Engineer to lead the development of internal tools to unlock further client revenue potential, while supporting the productionisation of data science solutions and embedding best engineering practices in the company.

    The role and what we're looking for:

    We are looking for someone with Python experience.

    *

    * Excellent python programming skills
    * Proficient Javascript and SQL
    * Familiarity with front end technologies, and the ability to develop and maintain user interfaces, mainly for internal applications (using open source frameworks like Flask, Django, Streamlit would be sufficient in many cases)
    * Demonstrable ability to craft maintainable, scalable code, TDD, SOLID software engineering principles
    * Thorough understanding on software engineering and secure development best practice
    * Strong applications/system design, deployment and maintenance experience on cloud computing platforms, Google Cloud Platform being highly desirable
    * Strong CI/CD experience, Github Actions being highly desirable
    * Productionising software applications, experience with Docker
    * An ability to communicate clearly and effectively about technical topics with very varied types of stakeholders (from client CMOs to software engineers)

    Highly Desirable:

    * Experience with Google BigQuery
    * Experience with infrastructure automation
    * Experience with Data Build Tool (dbt)
    * Experience with development and maintenance of ETL pipelines. (Not required but familiarity with statistical / ML models would be beneficial)
    * Google Cloud Certifications



    What we could offer you:

    *

    * 25 days holiday a year
    * Annual performance bonus
    * Sale commission
    * Recruitment referrals bonus
    * Gym membership contributions
    * Ride to Work scheme
    * Rail card
    * Season Ticket loan
    * Free fruit, breakfast cereals and tea & coffee
    * Free home office chair and screen
    * Enhanced maternity and paternity package
    * Life and income protection
    * Medical cash plan
    * Share option scheme (5 figures)
    * Agile Working Policy





    For more information contact me via:

    LinkedIn: https://www.linkedin.com/in/india-moody-219a311b1/

    Email: i.moody@jeffersonfrank.com

    Phone number : 02073370869

    Ref: 1235_1653033374

    Senior Developer - Ruby on Rails/AWS/Ruby

    England

    • Negotiable
    • Developer Role
    • Seniority: Senior

    Description du poste

    Senior Developer - Ruby on Rails

    OUTSIDE IR35 | REMOTE | 6 Month Contract



    Jefferson Frank are working with a key client who are seeking an experienced Senior Developer that specialises with Ruby on Rails, Ruby, AWS and building micorservices. This role has a flexible open rate depending on experience and suitability.

    PLEASE NOTE - This leading client requires the successful person to work Melbourne (Australia) business hours, which is approximately 6pm to 3am ET, Sunday through to Thursday.

    What we are looking for:

    Real life Ruby on Rails expert who can do performance remediation, has deep understanding of Ruby and RoR internals. Must have have strong database skills too, as we are sure some remediation actions will be discovered in the code, but point back to database.



    The role:

    * To dig into performance improvements for a Ruby on Rails application on AWS with Postgres DB.
    * Help build and automate performance and load testing scenarios (stress, capacity, soak, peak, etc.)
    * Analyze test results and performance management software to analyze for bottlenecks
    * Analyze application code, service configurations, database design and query performance, and will recommend code, configuration and database changes to DevOps, development, DB and infrastructure teams
    * Will define with customer effective microservices architecture, including platform and tooling, and will analyze/recommend legacy functions to migrate into microservices architecture



    Key skills:

    * Must have very strong Ruby on Rails with a strong/demonstrated focus on performance analysis, management and tuning
    * Must have very strong Postgres, SQL tuning and optimisation
    * Must have strong experience with load/performance testing scripts and practices
    * Must have strong experience with AWS infrastructure and platform services, especially with autoscaling, load balancing
    * Must have strong experience with containerisation, including Docker
    * Must have strong experience defining and implementing microservice architectures using Java and/or Go



    The client intends to migrate some application components into a microservices architecture, using either Java or Go, so experience with either will be helpful.



    Please apply, or feel free to contact me on l.ashman@jeffersonfrank.com for more information.

    Ref: DID938458_1653648049

    Data Insight Developer

    England

    • FULLY REMOTE, bonus
    • Developer Role
    • Skills: AWS, Data, BI
    • Seniority: Mid-level

    Description du poste

    Data Insight Developer - UK wide Fully Remote + Bonus

    The role:

    - Design, build and maintain the banks semantic data assets that will drive insight activities for the organisation, integrating new data and supporting prototype activity.
    - Build safe, automated, and robust Data Flows and Assets. Ensure that fit for purpose validations and controls exist in our Data Flows and Assets to evidence accuracy and timeliness of our data.
    - Maintain and deliver best-in-class data assets, striving to continuously improve data assets and processing. Ensure data is well structured, efficient, and extensible therefore building data assets that deliver business value time and again.
    - Identify and leverage new and existing data domains, ensuring integration with the semantic data layer adds value.
    - Creation and maintenance of sustainable and accurate data solutions, tailored to the needs of the business, that comply with governance, architecture, and risk frameworks.
    - Ensure builds align with Data Governance, Architecture and Modelling Principles. Work to build, monitor and maintain fit for purpose documentation such as Data Dictionaries and Entity Relationship Diagrams for our databases and data assets.
    - Maintenance of existing Data Flows and Assets. Make changes to Data Flows as necessary to ensure they run smoothly or to enhance them as required by the business.
    - Work closely with Data Insight Developers and Data Engineers to deliver new data requirements or changes and assist with the integration of data sources. Follow well-structured version control methods to ensure that we can roll back to previous versions and can maintain an audit trail of changes made.

    The skills:

    - Strong communication and presentation skills
    - Proven ability and initiative to learn and research new concepts, ideas, and technologies quickly
    - Strong systems/process orientation with demonstrated analytical thinking, organisation skills and problem solving skills
    - Thrives on building things from the ground up and enjoys reaching for the highest performance levels
    - Ability to work in a team-oriented, collaborative environment
    - Strong ETL skills, balancing short and long term needs

    The expertise:

    - Proven track record of delivering integrated data to drive meaningful self serve analysis and insight
    - Experience in Semantic layer data model creation and maintenance, including real time and batch based data loads
    - Implementing Data Management controls
    - Data Modelling/Data Model Interpretation and Database/Data Solution Design
    - Data Analysis/Profiling
    - Data processing and model optimisation, including performance tuning

    The technologies:

    - You must be experienced in programming with cloud-based tools (python, Spark, Airflow etc.)
    - Experience of SAS, SAS EG, DI Studio & SAS SQL, R, Shiny (preferred)
    - JIRA, Confluence, GitHub, Jenkins knowledge (preferred)

    Ref: DA30948534_1653648049

    Data Engineer - UK Wide

    England

    • 55000 to 75000 GBP
    • DevOps Role
    • Skills: AWS, ETL, Data
    • Seniority: Mid-level

    Description du poste

    Data Engineer

    £55,000 - £75,000

    Edinburgh/The Midlands/London - Primarily Remote

    My client are one of the biggest names in technology and modern cloud consulting, they boast a world class data and analytics centre and are looking to add to their team. They provide a wide range of cutting edge data and analytics solutions to the Public Sector to revolutionise the UK Government's data platform and maximise insight, accesibility, revenues, reduce fraud etc - they key lifeblood of the Public Sector.

    You will work in an Agile team collaborting closely with Architects, Product Managers and Solution Architects.

    Experience Required:

    * Strong ETL skills in either Talend, Pentaho, SAS DI, Informatica or equivalent
    * Database background of one of the following Oracle, RDS, Redshift, Hadoop, MySQL, Postgres etc
    * Various Data Architecture techniques including Data Modelling, Data Warehousing etc
    * Job Scheduling
    * Programming skills in any of PL/SQL, SQL, Unix, Java, Python, Hive, HiveQL, HDFS, Impala
    * Must be eligible for Security Clearance

    The Role

    * You will be working in an agile delivery team within an agile scrum framework.
    * Work across various software engineering principles including requirements gathering, analysis, design, coding, development, testing, implementation and support.
    * Contribute to various teams providing ideas and innovation/process recommendations, help mentor other team members, strong information sharing culture.
    * Client and stakeholder engagement

    Benefits

    * Annual training budget
    * Internal technology university to obtain qualifications
    * Excellent pension
    * Flexibility around working from home



    If this is of interest please apply below or email Oliver King at Jefferson Frank directly with your CV: o.king@jeffersonfrank.com.

    Ref: SSE20984902JFI_1653648047

    Senior Software Engineer

    England

    • 50000 to 65000 GBP
    • Engineer Role
    • Skills: Typescript, Javascript, Node
    • Seniority: Senior

    Description du poste

    Senior Software Engineer- FULLY REMOTE, 20% bonus, 15% pension



    As a Senior Engineer, you will build and maintain a suite of high performant and robust APIs that provides an outstanding user experience for our customers. You will work as part of an agile development team, helping to build a high performing culture where quality matters and delivery happens at pace.

    What you need to know and show

    * You will need to have strong experience of back-end service development using TypeScript and NodeJS Lambdas
    * Good experience of NPM build system
    * Experience of coaching more junior engineers
    * Agile
    * Test Driven Development (TDD)
    * Understand the value in different ways of working and works towards changing inefficiencies
    * You will need to have experience of GIT and CI/CD

    Why we're looking for people like you:

    * To challenge and innovate stack, culture, and ways of working.
    * To help develop new product features and improve existing ones across a variety of projects.
    * To collaborate with other engineers, product managers, and designers to deliver an amazing product experience for customers.
    * To contribute and share new ideas for developing features and refactoring areas of code.
    * To share and celebrate what you've learned by talking in our Digital Huddle.
    * To further develop and flex your mentoring and leadership skills.

    Support they'll provide:

    * Access to a wide range of learning offerings including Bitesize
    * Relevant technical training as required
    * Regular 121s with line manager
    * Coaching from other colleagues across the business as required



    Our benefits

    * In addition to the all-important competitive salary, pension & bonus offering, we totally get that life outside work is important to us all. So we want to shout out some of our other great benefits…
    * We offer flexible working to help you achieve a good work/life balance.
    * Opportunity to buy extra holidays is on the table.

    To apply/ more info contact o.king@jeffersonfrank.com or call 0191 814 7785

    Ref: 2083739865_1653987695

    Senior Python Developer

    England

    • 60000 to 75000 GBP
    • Developer Role
    • Skills: Python, AWS, API testing
    • Seniority: Senior

    Description du poste

    Who we are

    Leading force in keeping the Internet alive. You may not have heard

    of us, but we ensure over 125 domain name extensions can be registered, maintained and resolved in the Domain Name System. Every day, we keep over 11 million domain names

    and the businesses and individuals behind them online.

    We are a small part of a big company. We like people who think big and can deliver amazing

    results.

    About you

    You will be a strong Python developer with an understanding of how to create good, well structured, and thoroughly tested code. You will have utilised AWS (including ECS and Lambda) and be comfortable with finding logs, metrics and carrying out at least basic troubleshooting of common AWS services. You will be familiar with Docker and container technologies.

    Any operational/systems background will be highly relevant, as you create functionality that operates at low levels, using frameworks such as Twisted for protocol-level interactions,taking requirements from Internet RFCs and creating software to operate on services such as DNS.

    You will be accomplished in the creation of clean and elegant RESTful APIs which adhere to design best practice and are highly performant. You will understand how to construct optimised database queries against datastores including MySQL and DynamoDB.

    Since our legacy environments are coded in PHP, some level of understanding is desirable, to assist with migration of functionality.

    You will be well-versed in creating simple solutions to complex problems, with a focus on shipping incremental elements of functionality regularly.

    You will be part of an Agile/Lean squad with full ownership of a platform functional area. We operate a "you build it, you own it" mentality. An out-of-hours rota operates and you will seek(along with the rest of your squad) to minimise any chance of callout.

    Mandatory Skills

    * Strong Python skills, including effective unit and functional testing.

    Job Description

    Software Engineer (Python), Registry

    * Knowledge of AWS, including API Gateway, ECS, Lambda, Step Functions. Docker

    containers.

    * Confident with the use of Linux, common command line tools, etc.
    * Previous experience of designing and developing APIs and microservices.
    * Working knowledge of MySQL and DynamoDB and good query practices.
    * Fundamental understanding of good API design and best practice.



    Desirable Skills

    * At least an intermediate knowledge of PHP.
    * Experience with building and troubleshooting CI/CD pipelines for application

    deployment.

    * Managing code repositories within GitHub
    * Understanding of system operations and low-level network protocols.
    * Expertise in delivery of a microservices architecture.
    * An understanding or previous experience within the domain industry.
    * Knowing Confluence and Jira for documentation and task plannings
    * Ability to work both independently and as part of a team with professionals at all levels.

    Location & Hiring

    We are a remote-first team. Your strengths and personality are more important than your location.

    If you are resident in any country within +/- 2 hours of the UTC/GMT timezone, we would like

    to hear from you.

    Ref: AWSBED310522_1653992249

    AWS Back-End Developer

    England

    • 600 to 800 GBP
    • Developer Role
    • Skills: AWS - Java - Microservices - Remote - CloudFormation - Remote - IR35
    • Seniority: Senior

    Description du poste

    Jefferson Frank is currently recruiting on behalf of one of the biggest names in cloud technology. We're actively looking for talented back-end developers to work on a 6-month engagement, with plans for extension.

    You'll be working closely with one of the world's largest cloud providers to assist in enhancing an existing weather solution/portal which as the name suggests, provides weather information.

    This is a fully remote opportunity that falls Inside of IR35.

    The mandatory technical requirements are as follows.

    * Excellent understanding and command of server-side languages, preferably Java.
    * Experience in modern architecture patterns (e.g. microservices, reactive architectures, event-driven architectures)
    * Thorough understanding of REST principles and best practices for building and using RESTful API's
    * Experience with AWS cloud using services like IAM, S3, Lambda, API Gateway, Route53, CloudWatch, CloudFront, and RDS/DynamoDB.
    * Experience with Agile development methodologies and working knowledge of DevOps principles, automated deployments, continuous integration, building highly scalable and secure web applications

    The following skills are desirable, but not mandatory

    * Experience with Amazon builder tools (Amazon pipeline, Brazil, Bones e.t.c)
    * Experienced in engineering best practices such as code refactoring, design patterns
    * T-shaped full stack developers, besides having expertise in a few back-end technologies, can also work with other front-end technologies

    With the extended Jubilee weekend, we're looking to speak to suitable candidates as a matter of urgency with a start date penciled in for the 13th of June.

    Jefferson Frank is the Amazon Web Services (AWS) recruiter of choice. We work with organizations worldwide to find and deliver the best AWS professionals on the planet. We have a proven track record servicing the AWS permanent and contract recruitment market and, to date, have worked with over 30,000 organizations globally from our offices in North America, Europe, and Asia-Pacific.