Senior Developer (Frontend)

at Iron SLS Limited in London

As a Senior Developer (Frontend), you will join one of the agile development teams within Iron
focused on building functionality within our subscription platform or for a specific product.

The primary purpose of the role is to test and write code for incorporation into our platform
and products, you will participate in code review, but you will also be expected to
demonstrate leadership within the team: acting as an exemplar for the less experienced
members of staff in both technical and non-technical ways, and contributing strongly to the
architectural progress of the organisation.

Our technical strategy for the platform is based on two principles: Continuous Delivery in
terms of process, and containerised micro-services in terms of the technology. We have
made progress in this but there is still a lot of work to do: we have legacy systems that are in
the process of migration, and while we working build systems producing our containers we
are not yet fully automated.

Developers within our teams are responsible for writing high-quality code that fits into this
vision, and as we rely heavily on the Symfony and Angular frameworks it’s important that
new code is idiomatic and elegant.

We expect our Senior Developers to have one major area of specialism (either front-end or
back-end technology), but to be full-stack developers. This is something that can be
developed further within the role, as Senior Developers have visibility over the full software
lifecycle, and will also include deployment into production and continuous delivery

Experience writing clean RESTful APIs, designing microservices and clearly architecting
according to SOLID principles are important to us, and Senior Developers will have had
experience doing this in the past.

We follow an agile methodology (scrum), and developers work alongside our designers and
product owners in sprints.

Key Tasks
● Writing tests and developing new functionality
● Planning tasks through JIRA, reporting progress consistently
● Documenting code and decisions, leading or contributing to design decisions
● Developing and documenting the overall system architecture
● Mentoring and guiding less senior staff as appropriate
● Ensuring scrum master is aware of all blocking problems
● Working closely with the lead developer and others in the business to refine the
backlog, and contribute to product design decisions

Who we’re looking for
Our software is API-driven, with new API development happening on Symfony 3 / PHP 7 as
far as possible and a front-end developed in Angular. Our infrastructure is Linux-based and
containerized, although we have small pieces of legacy in places which are neither of these
things (and which we expect to get rid of soon). We’re looking for developers with a wealth
of skills in different areas, but demonstrable strength in at least one of Symfony or Angular
is required, as well as general skills such as object-oriented design / design patterns.

Technical skills
● Strong JS / Angular skills, including:
○ Angular 1 & 2 experience (Angular 2 preferred)
○ Knowledge of npm, webpack, gulp or similar tools / build pipelines
● Excellent knowledge of object oriented design, design patterns, three-tier
● Good MySQL knowledge, including usage through an ORM such as Doctrine, but
especially direct querying and schema design
● Excellent knowledge and experience of API development, ideally RESTful / HATEOAS
● Knowledge of test infrastructure, such as PHPUnit, and experience with a variety of
testing approaches and frameworks

Bonus skills include:
● Experience with other PHP or Javascript frameworks, particularly those using
Symfony/Silex modules
● Experience in a continuous deployment environment, using tools such as Jenkins or
GitLab, docker, kubernetes

Experience and education
● Educated to degree level in Computer Science or a similar technical field
● Has worked in a start-up type environment and is comfortable with working at pace
● Understands agile practices, ideally putting in place / re-enforcing strong agile
practice/management, possibly certification of some kind (e.g. Scrum Master
● Any experience related to payment services; such as gateways or acquisition

Personal Attributes
● Effective interpersonal skills and professional presentation
● Very organised and comfortable multi-tasking and prioritising
● Strong team player who is always listening, and is able to influence other members
of the team as appropriate
● Knowledgeable about a broad range of technology issues, able to speak with
authority on a range of technical issues

About Us
Iron Solutions (also called Iron SLS Ltd) is a technologically-savvy, fast-paced, vibrant, young
e-business start-up company. Established in 2014 and founded by experts in the recurring
billing industry, we specialise in subscription services in a number of different sectors such
as: e-learning, cloud storage, e-mail routing, SaaS, ticketing, gaming, legal advice and admin
assistance (accounting software, visa & driver’s license administration).

We are particularly specialised in five areas of expertise that are critical for e-business
subscription companies looking to increase their profitability:
● Web Marketing
● Web Development
● Billing and Pricing engineering
● Customer Service
● e-Reputation

Working as a team we aim to create profitable solutions for similar e-business projects.

We Offer:
● An experience in a dynamic and entrepreneurial start-up
● The opportunity to work with a mixture of seasoned driven experts and a highly
motivated team
● An ideal environment to enhance your skills, develop your expertise and receive
excellent training
● A challenging job in an energetic and friendly atmosphere

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Published at 06 Jul 2017
Expires on 06 Sep 2017