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  • 02 Sep 2018

Job description

Working with new technologies and developing cutting-edge systems on a daily basis means we favour hiring engineers who pride themselves on the ability to learn new skills and their willingness to experiment.

Our company offers a leading service within the blockchain space. Our software is constantly evolving to keep up with the fast moving environment around us, so is our vision.

While working at Oraclize you will have the opportunity to get in touch and explore a variety of fields: from blockchain to cybersecurity, from cryptography to trusted computing, from decentralized applications to embedded systems. You will be growing your skill-set on an ongoing basis - regular and continuous development is something we believe in and as an employee we will seek to create opportunities for you to evolve.

We understand that sometimes you really need to focus on your work, while other times you just need a break. That is why we ensure our engineers have space options for uninterrupted sessions with no external distractions as well as great coffee.

We are looking for a NodeJS developer to work on a variety of tools which sit between our low-level infrastructure code and the blockchain (we are looking for either frontend only, backend only or full-stack devs).

Skills & requirements

  • Node (level: mid/high)
  • Javascript (level: mid/high)
  • Linux terminal (level: mid)
  • Networking (level: low/mid)
  • Git (level: low/mid)

Better to have

  • Python (level: low)
  • React (level: low/mid)
  • Elm / functional programming (level: low)

Please note we are looking for on-site positions only and that we are not interested in remote ones.

  • 02 Sep 2018

Job description

This is an exciting opportunity for a Software Engineer to join an ethical and tech-led company.

We’re Bulb, an independent and renewable energy supplier. We have developed a unique operating model to provide affordable renewable energy to UK homes and businesses. Technology is at the very core of both our business and our member’s experiences. We’re also the first and only UK energy supplier to achieve B Corp status.

We work in project-based sprints in integrated teams and encourage an open and transparent working environment. As an engineer you’ll be able to get involved in any aspect of the business you are interested in. Currently the following pods are looking for Full-Stack Engineers:


Help us create applications and services that allow our members to manage their accounts via desktop, mobile, SMS and email. You’d be working in a multi disciplinary team with developers, testers, designers, product managers and subject matter experts, developing across the full stack. We’ve got ambitious targets for customer self service and we’re always looking for innovative and exciting new ideas.

Energy Specialist Technology

We enable the Energy Specialist team to provide the best member service in the energy industry. You'll be using technology in interesting ways to automate tasks, simplify workflows, and build improvements to members experiences across products to reduce the need for them to get in touch with us. We're always on the lookout for making things better as we grow.


The number of people that have their energy supplied by Bulb has grown 1,000% per year and we're on a trend to do the same this year. Join the pod that's working on driving this growth as part of a multidisciplinary team working across the full stack, and help tackle exciting challenges, ambitious opportunities, and powerful products - such as the journey customers use to switch their energy, the most visited Bulb product and more!


At Bulb we want to hire people with the experiences necessary to get going quickly, but who are also interested in learning new things and are comfortable working in a changing environment.

Here are some of the things we think will be valuable, but we're also open-minded. If you recognise yourself any of these traits then we’d love for you to send us an application.

  • You take pleasure from clear code, see writing tests as an integral part of the development process and understand the benefit of writing code and tests in small increments.
  • You are keen to learn new technologies and have ideas about how we do things better
  • You like solving both real world and technical problems
  • You are an enthusiastic team player who enjoys collaborating across teams and departments
  • You are passionate about learning and your own professional development

Tech Stack

  • Node, Typescript, Koa, Redux, React, React Native, Webpack, Babel, Flow
  • Circle CI, Kubernetes, Docker and Google Cloud Platform


  • Be part of a growing technology startup and help shape the future of energy
  • Collaborative, flexible and friendly environment
  • Competitive salary, share options and bonus
  • 25 days holiday
  • Enhanced parental leave
  • Training budget, healthcare and a pension plan with employer contributions, childcare voucher scheme, cycle to work scheme
  • Great coffee, teas and fruit
  • Technology of your choice
    • Internship
  • 02 Sep 2018

Job description

Grabyo is the video platform built for live, social and mobile. The cloud-based platform removes the traditional complexities of professional video production and distribution.

Grabyo works with the world’s largest broadcasters and rights holders including: Sky Sports, BT Sport, Eurosport, ITV, Turner, The Premier League, LaLiga, The FA, Buzzfeed, AELTC Wimbledon, and many more. Our platform integrates with the major social platforms - including Facebook, Instagram, Periscope, Twitter, and YouTube. Grabyo is also a preferred global partner for Facebook Live.

Amazon Web Services is the main hosting provider for Grabyo. Every product of the platform is architected and built for scalability and high availability for a global client base. Being a cloud-based platform allows engineers to remain agile and gives them the freedom to try new things without compromising on reliability and speed of development.

For more information on Grabyo please visit the company page.

We believe that hiring smart graduates or junior engineers and nurturing them into our culture is the key to our successful growth. To support this strategy, you'll pair with a mentor on your first day at Grabyo. Your mentor will answer your technical doubts daily and will coach you on your career progression by helping you define your own focus within our platform (video, data, front-end, architecture, streaming...) with regular performance evaluations.

We are dedicated to making sure you are happy and committed during your time with Grabyo. We achieve this by pushing the platform and the team to use the latest technologies and to give you a whole new set of responsibilities. You will be responsible for the products you build end to end: from design and architecture to releasing, supporting and monitoring in production. This way you can feel that you are engaged, challenged and more importantly that you can make a difference.

This strategy has allowed the perfect environment to retain our talent and keep our best engineers over time. A good example of this success are some of our current senior engineers such as: our Product Owner and our Lead Software Architect. They started on Grabyo as graduate engineers and are now key leaders within the organization.

Being social is a huge part of the Grabyo family. We like to have fun together and we provide a series of activities to help in this area. If you are interested in these activities and some of the benefits we enjoy at Grabyo, please visit this website.

If technology gets you going in the morning, then you are in the right place!

During your internship, you will design and architect our modern suite of tools built on top of the latest web development tech. These tools will be used by our core engineers to monitor, support and scale our platform.

Our tools platform is one of the first entry points of new technologies as is the perfect lab to experiment with them. This will give you an immediate immersion on web development, getting to get a deep understanding of technologies like React, NodeJS, NoSQL, microservices, gulp, bower or web testing.

We recognize that internships require a higher level of mentoring. For this reason, we will work with you at the beginning of the internship to set up clear goals and metrics. You will monitor these goals regularly with your mentor by having daily standups and catch ups.

To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, Tech hours, and have a development budget and pair programming days to improve our automated testing culture.

Some of your responsibilities at Grabyo include (but are not limited to):

  • Building awesome APIs as well as sleek, breathtaking front-end client experiences
  • Iterating and optimizing products based on feedback and data analytics
  • Perform regular catch ups with inline managers to ensure your work adheres to Grabyo's standard methodologies
  • Taking ownership of your work/project by building, maintaining and iterating new features and new products

How do I get this job?

  • Demonstrable expertise in at least one of the following programming languages: Java, JavaScript, C/C++, Ruby, Python, Perl
  • Passion for emerging technologies
  • Bonus points for AWS (our chosen cloud provider)

The recruitment process:

We aim to have a quick and dynamic hiring process. This process lasts around two weeks and it has the following stages:

  • Phone call interview (around 30 minutes) to understand your interests and career expectations to ensure we are a good fit for each other.
  • Technical test to be completed at home.
  • Final face to face interview (around 2 hours) with our lead developers to go through your test and your technical knowledge.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

  • 02 Sep 2018

Job description

The Company

Hello, we’re Treatwell.

Here at Treatwell, we are changing the way people book their hair and beauty services. Today we are the biggest beauty bookings platform in Europe working with over 30,000 salons, processing over 1 million orders per month and operating across 11 countries. 

Our success to date is down to 500 passionate and brilliantly-talented people working together to harness the power of beauty, and the beauty of technology.

However, we are not even close to being done. Today, less than 5% of hair and beauty is booked online - that’s tiny. We believe that booking online is inevitable and our mission is to give every customer their perfect hair and beauty experience, and to revolutionise an industry.

The Role

We’re looking for talented, friendly and open Android Developers to help build our suite of customer and supplier facing apps. Here in the Treatwell tech team we believe in Agile principles and values, our teams use Scrum and various XP practices, we love DDD and we are embracing eventual consistency in our new services. We like to use the right tech for the job but we don’t get seduced by the latest shiny fads.

Our current Android stack is based on Mortar and Flow (MVP and MVVM without fragments) and we use RxJava and Dagger2 heavily. Our new code is written in Kotlin. Some of the other libraries we use are Retrofit, Butterknife, Retrolambda, ThreeTen, Gson, AutoValue and Icepick. Our code lives in Gitlab where we also make merge requests and run CI.

Elsewhere in the stack we use Java 8, Spring, Immutables, Tomcat, Jetty, ES2015, NodeJS, ReactJS (both client and on NodeJS server-side), Docker and RabbitMQ among others. Everything runs in AWS.

We do things well, but we’re not complacent. We want to do great work and we want to be known for it. We’re looking for people who can help us to continue to grow and improve as a team.

As an Android Developer in the Treatwell team you will work as part of a cross functional Agile team writing and shipping high quality code frequently. You’ll do whatever you can to help your team meet or exceed its goals and you will drive incremental improvements in both the way we work and the software we deliver

About You 

  • You are familiar with some of our Android tech stack and can learn the rest very quickly. Familiarity with, and an interest in, Kotlin is particularly advantageous.
  • You’ve built high quality mobile interfaces using modern technologies and practices.
  • You know good UX and visual design when you see it.
  • You’ve been part of a high-performing, autonomous Agile development team and you get  kick out of shipping.
  • You like learning new skills and taking on tasks beyond your usual remit - maybe even some backend development tasks!
  • You’re a good communicator, fun to work with and enjoy being part of a vocal, passionate team.
  • You’re active in the software development community, whether through blogs, meetups, personal projects or open source contribution

The Perks 

  • Flexible holiday policy - we don’t count how many days you’ve taken
  • High end computer with operating system of your choice
  • Kitchen stocked with breakfast, fruit and soft drinks
  • Fantastic parties and regular social events
  • Legendary drinks and nibbles spread every Friday
  • Work alongside a talented, entrepreneurial team in a lovely Central London office (WC1V)
  • London
  • £80,000 - £120,000 per annum
    • Permanent
  • 01 Sep 2018

2x Senior Data Engineer (Scala Spark AWS)


Up to £120,000 + bonus + benefits (including up to 2 days from home)

This global media company are looking to hire two Senior Data Engineers (Scala, Spark, AWS) to lead the core data platform build and implementation for their UK and European operations. You will get a lot of opportunity to take technical ownership and build a team in future.

The Company

This company are a global leader in the media space, owning over 100 channels and they have over 10,000 staff across the world. They have a huge presence in the US and India, and have recently been building things out in the UK.

This role sits within their growing Global Data and Operations team. This team is responsible for the core data platform and also for working closely with Data Scientists and analytical stakeholders to provide data.

The Role

As a Senior Data Engineer, you will:

  • Be the first of two senior data engineers to focus on UK and Europe operations. This means that you will specifically work with data scientists and analysts for UK/EU operations.
  • Lead the design, implementation, and continuous delivery of pipelines using distributed
    AWS based big data technologies supporting data processing initiatives across batch and
    streaming datasets
  • Responsible for development using Scala , Python languages and Big Data Frameworks such as Spark, EMR, Kafka, Storm , Lambda and Kinesis
  • Be the face of data engineering for the UK and Europe.
  • Take a lead role on the development and architecture of the global core data platform.
  • Begin to grow the team and scale up the data platform.

Require Skills & Experience

  • Bachelor's Degree or higher in Computer Sciences or similar
  • Extensive Software Industry experience
  • Development experience with AWS services (such as EC2, EMR, RedShift, Data Pipeline, Lambda, S3, Kinesis, Cloud Formation etc)
  • Experience with Apache Spark and NoSQL Implementation
  • Extensive working knowledge in different programming or scripting languages like Scala, Java, Linux, Shell, Perl, NodeJS, Python.
  • Proficiency working with structured, semi-structured and unstructured data sets including social, web logs and real time streaming data feeds
  • Able to tune Big Data solutions to improve performance and end-user experience
  • Knowledge on Visualization and Data Science Tools.
  • Expert level usage with Jenkins, GitHub is preferred
  • Spark developer / AWS Developer / AWS DevOps Engineer certification is a plus
  • Ability and eagerness to constantly learn and teach others
  • Experience in the media industry is a plus


  • Up to £120,000 + bonus/benefits
  • Lead on Architecture, Engineering and development for UK/EU


Scala, Spark, AWS, Kafka, EC2, Data Engineer, Data

  • Leeds, West Yorkshire,
  • £30,000 - £50,000/annum £30k - 50k per year + benefits
    • Permanent
  • 31 Aug 2018
JavaScript Developer - Angular

My client is on the lookout for a JavaScript Developer to come and join their small autonomous product team.

The company itself is a state-of-the-art online property marketplace who have had an exponential amount of growth in the last few years. The JavaScript Developer will be joining the engineering team who delivers cutting edge technology, which allows company/business to handle an impressive amount of transactions and remain competitive.

Career Progression

The team are not afraid to use new technologies and have the freedom to do so. This is why there is such a good scope for progression for the JavaScript Developer. The team proudly takes ownership of the solutions and applications that are delivered to their customers and all of the engineers are comfortable with different programming languages.

Tech Stack

The JavaScript developer will be joining the company’s product team who mainly use Angular. They will be involved in the migration project from Angular 1.5 to Angular 5. The company are split into different teams, some of which use React and NodeJS for other projects.


The engineering team are incredibly proud of their DevOps and Agile Culture but with free breakfast, team lunches and nights out for a drink (or two), the company likes to have fun too in their relaxed and friendly environment.


Actively involved in designing technical solutions to business challenges
Delivering high-performance, scalable applications
Writing high quality, maintainable code with test coverage
Problem solving, debugging issues

JavaScript Developer Skills:

World class front end skills (HTML5, CSS3)
Proficient on SASS and/or LESS
AngularJS or Angular 2+
Gulp, Grunt, WebPacK

Nice to have:

Polyfill / similar
PhotoShop, Sketch, and other vector graphic app experience
Experience of working as part of an Agile Scrum team
Work with backend API via RESTful Interface
Writing hi-performance JS application
Comfortable with database
Experience with Karma / Jasmine / Mocha or similar test stack

For the right candidate this is paying £30-50,000 + benefits.

The offices are easily commutable from Leeds, Bradford, York, Harrogate, Halifax and the majority of West Yorkshire

If this role isn't what you're looking for don't worry. At X4 Technology we cover all permanent and contract positions, with specialist industry sector teams. You can check out all of our roles on our website and sign up for job alerts so you're the first to know about a new opportunity.

About Us

X4 Technology is a specialist recruitment business for the technology sector. We are part of the X4 Group, a multi-award-winning group of brands specialising in Life Sciences, Engineering, Construction and Technology, with over 10 years of experience in successfully placing mid to senior level contract and permanent professionals across the globe.

Our network of world class talent sets us apart from the rest and allows us to deliver skilled professionals to our partners quicker than the competition.

Our aim is to help businesses grow powerful teams that deliver against exceptionally high standards and we have partnerships with leading technology companies all over the world and have made placements in over 13 countries across Europe and the US.

JavaScript Developer - Angular

  • Ghent
    • Contract
  • 31 Aug 2018
Junior/Medior Fullstack developer needed on 6 month extendable missions in Ghent



DURATION: 6 month extendable mission

START DATE: ASAP to 4 weeks


· Good knowledge of React

· Good knowledge of JavaScript

· NodeJS is a bonus

· ReactNative is a Bonus

· English is essential, French/Dutch is a bonus

If you wish to be considered for the position available or you would like more information on the project and job, please e-mail an up to date CV with a contact number to: or alternatively call me on my direct number +32 (0) 2 808 3529

Alternatively, if you know any other Fullstack Developers who are looking for work in Belgium or who would be interested in this position please pass on my details and you could benefit from our referral scheme.

g2 Recruitment are committed to equality of opportunity for all applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships or any other characteristic protected by law.
  • Dublin, Dublin City
  • £55,000 - £65,000/annum
    • Permanent
  • 31 Aug 2018

I am currently recruting for a FrontEnd Software Engineer to join an exciting start up company in Dublin.

My client is looking for the right candidate to have the following skills.

What you will be doing every day

  • Working with technical leads, engineers, designers and product owners to develop dynamic client-side web applications across most areas of our business
  • Prototyping and developing new ideas and participating in all parts of the lifecycle from research to release
  • Working closely with UX and Graphic Designers to turn wireframes and visual designs into working HTML/CSS prototypes
  • Developing and optimizing front-end UI to ensure web applications are rendered consistently in cross-browser environments
  • Creating front-end code templates using HTML, Javascript, and CSS as well as frameworks such as ReactJS, AngularJS, and NodeJS
  • Writing clean, scalable, standards-compliant, reusable, quality code with strong knowledge of OO design
  • Staying up-to-date with innovations and changes in the smart kitchen industry
  • Helping with continuous improvement in a Lean-Agile environment
  • Working in an exciting startup environment

What you bring to the role

  • BS or higher in Computer Science or a related major, or equivalent experience
  • 5+ years of real-world experience with a strong focus on front-end web development
  • Excellent knowledge in web technologies such as JavaScript, CSS, HTML5, Ajax, HTTP, and JSON
  • Excellent knowledge of Node.js, React, and Angular
  • Strong coding background; experience writing production-grade code
  • Excellent knowledge of HTTP and client/server paradigm with strong browser debugging abilities
  • Excellent communication, interpersonal and problem-solving skills
  • Good knowledge of cloud-based platforms such as AWS
  • Experience with client or server-side web performance optimization and building responsive layouts
  • Experience with one or more of the following: Python, Java, C++, C#

We hope you have

  • Attention to detail, with the ability to estimate accurately and complete tasks within that time
  • Strong interpersonal skills and the ability to work effectively in a team environment
  • Strong verbal and written communications skills
  • Ability to interpret technical and business requirements effectively
  • Flexibility in attitude to take on tasks required to get the job done
  • Fluency in English
  • Glasgow
  • 31 Aug 2018

As a member of our Software Engineering Group you will dive head-first into creating innovative solutions that advance businesses and careers. Youll join an inspiring and curious team of technologists dedicated to improving the design, analytics, development, coding, testing and application programming that goes into creating high quality software and new products. Youll be tasked with keeping the team and other key stakeholders up to speed on the progress of whats being developed. Coming in with an understanding of the importance of end-to-end software development-such as Agile frameworks-is key. And best of all, youll be working with and sharing ideas, information and innovation with our global team of technologists from all over the world.

This role requires a wide variety of strengths and capabilities, including:


·         Advanced knowledge of application, data and infrastructure architecture disciplines

·         Understanding of architecture and design across all systems 

·         Working proficiency in developmental toolsets

·         Ability to collaborate with high-performing teams and individuals throughout the firm to accomplish common goals

·         Proficiency in one or more general purpose programming languages such as Java, J2EE or other enterprise languages such as .NET, C++ or Scala.

·         Understanding of software skills such as business analysis, development, maintenance and software improvement



·         Design and develop strategic applications to collect, search for, display, distribute and report upon legal document data

·         Create web components and cloud based micro services using Java J2EE, Spring boot, Cloud foundry, Eureka, Zuul, NodeJS, Angular 4 and ExtJS, HTML5

·         Work in a development feature team collaborating closely with other features teams on this exciting enterprise product.

·         Use and contribute to an agile product backlog, helping prioritize and size stories

·         Partner with our product owners to craft and refine stories and design and develop technical solutions.



Our Corporate Technology team relies on smart, driven people like you to develop applications and provide tech support for all our corporate functions across our network. Your efforts will touch lives all over the financial spectrum and across all our divisions: Global Finance, Corporate Treasury, Risk Management, Human Resources, Compliance, Legal, and within the Corporate Administrative Office. You’ll be part of a team specifically built to meet and exceed our evolving technology needs, as well as our technology controls agenda.


When you work at JPMorgan Chase & Co., youre not just working at a global financial institution. Youre an integral part of one of the worlds biggest tech companies. In 14 technology hubs worldwide, our team of 40,000+ technologists design, build and deploy everything from enterprise technology initiatives to big data and mobile solutions, as well as innovations in electronic payments, cybersecurity, machine learning, and cloud development. Our $9.5B+ annual investment in technology enables us to hire people to create innovative solutions that will not only transform the financial services industry, but also change the world.


At JPMorgan Chase & Co. we value the unique skills of every employee, and were building a technology organization that thrives on diversity. We encourage professional growth and career development, and offer competitive benefits and compensation. If youre looking to build your career as part of a global technology team tackling big challenges that impact the lives of people and companies all around the world, we want to meet you.


J.P. Morgan offers an exceptional benefits program and a highly competitive compensation package.

JPMorgan Chase & Co. is an equal opportunity employer.



  • Bristol
  • Salary negotiable
    • Contract
  • 31 Aug 2018
DevOps Engineer | Bristol | Contract | 6 Months | Start ASAP

I am currently resourcing for my client as they looking for an experienced DevOps Engineer to join their well-established team.

The successful candidate you will be required to possess commercial experience in .NET, NodeJS and .NET core solutions to an on premise Microsoft stack. Further to this, you will be required to have a strong backing of PowerShell, PowerShell DSC.

Key Skills:

- Cloud (AWS, Azure)
- TFS 2017
- Windows Server 2012 R2
- SQL Server
- System Center Virtual Machine Manager
- PowerShell, PowerShell DSC
- Jenkins, TeamCity, MSBuild, Git.
- Linux, Docker, Chef, Ansible

This role will require you to work closely to the development and IT infrastructure teams in order to integrate new technologies into the build release pipeline.


- Modern knowledge of enterprise IT infrastructure
- Work closely with other teams (development/infrastructure)
- Keenness to continually self-improve
- Understanding of Agile development

If you are interested and feel you would be a good fit for the role, please reply with your CV attached. I will be in contact once reviewed.

DevOps Engineer | Bristol | Contract | 6 Months | Start ASAP