203 Senior Software Engineer Elixir Pheonix Liveview jobs in London

• Developing and maintaining web applications using procedural PHP .
• Writing clean, well-documented, and efficient code.
• Collaborating with the development team on various projects.
• Troubleshooting and debugging existing applications.
• Working with JavaScript  and Bootstrap  to enhance user interfaces and experience.
• Contributing to all phases of the development lifecycle.

• Extensive commercial experience in procedural PHP development .
• Solid understanding of JavaScript .
• Proficiency with Bootstrap .
• Good knowledge of relational databases (e.g., MySQL).
• Experience with version control systems (e.g., Git).
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Ability to work independently and manage your time effectively in a remote setting.
• No specific PHP framework experience is required.

• This is a fully remote  position.
• Applicants must be currently based in the UK  and possess full eligibility to work in the UK .
• Our client is unable to provide work permit sponsorship  for this role.

• Assist senior developers with coding and implementing web features.
• Learn and apply front-end development technologies (HTML, CSS, JavaScript).
• Gain experience with back-end development and databases.
• Debug and resolve software defects.
• Participate in code reviews and learn best practices.
• Contribute to the testing and quality assurance of web applications.
• Document code, processes, and project requirements.
• Collaborate with team members in an agile development environment.
• Assist with the deployment of web applications.
• Engage actively in training and skill development programs.

• Passion for web development and technology.
• A-Levels or equivalent qualifications, or a strong interest in pursuing a career in IT.
• Basic understanding of programming concepts is a plus.
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Eagerness to learn and adapt to new technologies.
• Ability to commit to the full apprenticeship program.

Brandpie is an exciting and dynamic consultancy with a diverse and highly experienced team located across the UK and North America. We are world leaders in purpose-led transformation. Working with some of the world's largest B2B organisations to help them better understand and define their purpose. Our work with companies impacts the way they appear, communicate, operate and engage with their employees and the wider world. We do this through a unique blend of services across brand, culture and experience.

The digital team is an integral part of the wider business, creating digital experiences that activate purpose, embody brand identity, create value, and drive engagement and positive impact for our client’s customers, stakeholders and employees. We achieve this through a combination of strategic thinking, technological smarts and user-centred design approaches. This, combined with world-class knowledge in branding and strategic business direction, makes a highly effective and successful solution for our clients.

We pride ourselves in being a company that works in a smart, friendly, and co-operative way that respects everyone’s time and is understanding of that fact that work, however important, is just one part of your life. Our culture aspires to be creative and nurturing, with open, transparent communication. We’re a diverse and strategic bunch, with a mix of doers and thinkers, and we are looking for someone who’s like-minded and pragmatic to help us deliver great work.

Requirements

As a Senior Web Developer at Brandpie, you will be at the forefront of crafting digital experiences that not only transform organizations but also deeply resonate with their audiences. Your role will be to lead website development projects, serving as a senior technical lead for the digital team Delivering bespoke, world-class web experiences that encapsulate our clients' purpose and brand identity.

On a day-to-day basis, you will work on delivering technical projects within the cross-functional digital team. Developing the technical solutions for website projects but also taking a lead in defining and implementing the best processes and approaches for digital projects. You’ll also provide a senior technical voice for internal and client conversations.  

Alongside client projects and commitments, you will also be expected to help to advance the digital team’s use of innovative technology. Helping drive awareness and insight into these new technologies, tools and solutions that could be beneficial to our team, and to clients.

You will report directly into the CTO and managing partner of digital.

What you’ll do:

• Be the senior developer across the delivery of digital projects. Ensuring the creation of a high-quality solutions within the agreed scope and timelines.
• Act as the technical lead on projects providing technical oversight to the design and creative teams. Ensuring technical considerations are understood and considered early in the project process.
• Help scope the technical aspects of projects, defining functional and technical requirements to align with client and project objectives and design strategy.
• Stay abreast of the latest web technologies and trends, continually enhancing our capabilities and offering to clients.
• Work closely with the (brand) design and consultancy teams. Fostering a collaborative environment that encourages innovation and excellence.
• Collaborate with clients and internal teams to research and define suitable technical solutions based on our core competencies. Including the undertaking of technical requirement interviews with client stakeholders.
• Help to define and implement development and technology processes to make projects more efficient and to support the delivery of high-quality output.
• Support more junior members of the development team, alongside directing any freelance developers.
• Explore new innovations and technologies that could augment, streamline or expand our services or capabilities.
• Support in identifying technical considerations and opportunities in pitches and proposals.

Skills you’ll need:

• Be an expert in developing visually engaging and experience focused modern, responsive web solutions.
• Be highly capable in full-stack web development. With expert-level knowledge of HTML, JavaScript and (S)CSS. You’ll also need experience in developing WordPress solutions, alongside an understanding (and ideally experience) in Tailwind.
• Excellent understanding of creating interactive and animated experiences, that bring motion and feel into the digital experience.
• Able to lead web development projects and small teams, delivering bespoke solutions that meet and exceed client expectations.
• Proficiency in LAMP-based website development, with at least 7+ years of experience.
• Experienced at Git management and deploying solutions through CD style deployments, alongside more legacy approaches such as SSH and SFTP.
• Confident in client engagement, with the ability to communicate complex technical concepts in an understandable manner.
• Have a deep understanding of how to create high-performance, SEO optimized experiences suitable for modern marketing needs.
• Have a creative mindset and be excited by the idea of working on creative projects and the opportunity to develop digital experiences for new brands.
• Experienced in leading technical delivery of projects. Including supporting freelancers, suppliers and more junior technical team members.
• Experienced in using Figma (for accessing design requirements).
• Experienced in delivering a wide range of projects; from small, rapid projects through to large-scale digital projects.
• Have a good understanding of user experience design and typical best practices related to web experiences.
• Understanding of WCAG accessibility levels and best practices.
• Strong problem-solving skills, able to navigate challenging project requirements and find effective solutions.
• Happy using Mac instead of Windows (Mac is our standard OS supported by our IT team)
• Fluent in English with a strong command of the language, both written and spoken.
• Be happy working within a small but growing team. With a can do, pragmatic attitude to getting things done.

Nice to have skills:

• Experience in developing solutions on headless CMS solutions (e.g. Contentful, StoryBlok, Sanity).
• Understanding of headless architecture and experience in developing React + Next.js web applications.
• Previous experience working with B2B brands and projects.
• Any experience in technical application of intranet solutions (e.g. SharePoint, Unily) and Employee Experience Platforms.

APPLICATION REQUIREMENTS

In order to apply for this role, you must be able to clearly demonstrate the following:

• That you have at least 7 years’ experience of architecting and developing technical solutions for large web projects in a consultancy or agency environment.
• That you have acted as a senior technical lead on a range of projects, directing and supporting junior team members also working on the project.
• That you have an excellent eye for translating designs to code. And understand the value of quality user experience and visual creativity.
• That you are able to engage and communicate with a range of non-technical people.

As part of the application and interview process you will be required to:

• Submit a portfolio of at least 3 relevant commercial projects you’ve been involved in as a senior web developer – the portfolio can be in whatever format you prefer (document, website, etc). Please ensure it includes a link to the live website (that you worked on) and information on what your role was.
• Complete a simple online technology skills assessment
• During the first interview you will need to present at least 2 case studies (including sharing of code snippets). Demonstrating your technical approach to the project, your role within the team, the technical aspects you were responsible for, and how you overcame any particularly challenges in the project.
• If successful at your first interview; be willing to meet members of the team in-person in our central London office (exceptions will be considered) for the second interview.
• Provide 2 professional references that can confirm your abilities in the relevant skill areas.

YOUR MINDSET

• Clear communicator:  You have strong communication skills and are comfortable communicating and challenging ideas with clients and colleagues
• Team player:  You love to generate fresh thinking and work with others, whether you are 1-1 or rolling your sleeves up with the broader team, you do your part to contribute to the creation of brilliant ideas and experiences
• Passionate : You are excited and passionate about developing world-class digital experiences and the benefits innovative technologies can offer our clients. Keeping up with the latest trends, new approaches and techniques to enhance our capabilities as a business
• Detail-oriented:  You are able to manage multiple projects at once while maintaining attention to detail with each project.
• A self-starter:  You’re comfortable working in a small team and taking the initiative to help drive projects forward. Even if this sometimes means you need to do something that’s not always expected from your role.

Benefits

At Brandpie we believe supporting and helping everyone to grow as a team and an individual. We help do this through our comprehensive and competitive benefits package we offer:

• Generous reward package:  We provide industry competitive salaries that reflect experience and ability. We also offer additional benefits including medical and life insurance, gym membership contributions and a company pension scheme.
• A competitive holiday package:  You will start with 23 days annual leave, which increases by 1 day per year to a maximum of 28 days. Our business usually closes between Christmas and New Year, providing an additional 3 days leave.
• Wellbeing support:  We believe it’s vital people have time to focus on their wellbeing (both physical and mental). From day one you will be provided with a comprehensive core and mental health cover (currently with Vitality Health), subsidized gym membership, partner rewards and discounts.
• Flexi-time and place: We now operate a fully flexible model. We do not insist that our people are office based and respect everyone’s individual preference. We encourage flexible work patterns and want our people to find a fair work/life balance they are comfortable with.
• Solid technology kit:  On joining you will receive new IT equipment including a laptop (Mac only), peripherals, and an external monitor for your home set-up.
• Personal development: We want you to learn and grow with us. To make sure our people are up to date with our latest work, we do regular Knowledge Share sessions, and we will work with you to create a personal career development plan. We make a commitment that every member of staff has at least 1 day a month dedicated to PD.

OUR COMMITMENT TO EMBRACING DIVERSITY

Brandpie is committed to creating a diverse environment and is proud to be an equal opportunity employer. We recruit, employ, train, reward and promote regardless of race, religion, colour, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law

Senior Backend Developer

Capital Pay Software Solutions Ltd

• Promoting world class payment solution systems to global audiences
li>Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform.  li>This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals to strengthen our expert team. If you excel in a dynamic environment and are dedicated to developing secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape.
•  

Key Responsibilities:

• Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer.
• Select and implement appropriate technologies from our stack, which includes python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL for transactional date, with Redis for caching and session management.
• Design and implement robust security measures, including AES-256 encryption for sensitive data, TLS for secure communication, and OAuth/JWT for authentication and authorisation.
• Ensure the platform is compliant with PCI-DSS, GDPR, and other relevant data protection regulations.
• Integrate multiple payment gateways (Capital Pay, Stripe, Paypal, Barclaycard, Adyen, Worldpay) using provided SDKs/APIs.
li>Implement advanced fraud detection and anti-mney laundering (AML) systems.
• Develop and maintain RESTful APIs for seamless communication with the frontend and external systems.
li>Implement features for transaction tracking and status management (pending, completed, failed), refund and chargeback handling, and payment settlement (funds transfer to merchant accounts).
• Participate in architectural design discussions, code reviews, and technical mentoring.
• Contribute to the development of a developer-friendly API and comprehensive documentation.
• Set up and manage cloud infrastructure on AWS, Google Cloud, or Azure.
• Implement and manage continuous integration and continuous delivery (CI/CD) pipelines to automate software builds and deployments

We are looking for a candidate who:
• Has a proven track record of 6+ years in backend development, with significant experience in the FinTech or financial services sector.
• Possesses deep expertise in building scalable and secure backend services.
• Is proficient in at least one of the specified programming languages (Python, Node.js, Kotlin or Java) and their associated frameworks.
• Has a strong experience with database design and management, including both SQL (PostgreSQL or MySQL) and potentially NoSQL databases.
• Has hands-on experience with RESTful API design and microservices architecture.
• Demonstrates a strong understanding of security best practices and compliance standards like PCIDSS and GDPR.
• Has experience integrating with third-party APIs, particularly payment gateways.
• Has experience in NFC/RFID technology and Payment Networks integrations.
• Is adept at problem-solving, has excellent attnetion to detail, and can work effectively in a fast-paced,agile environment.
• Familiarity with serverless architecture is beneficial.
• Experience with messaging systems like RabbitMQ or Kafka is a plus.
• Experience implementing two-factor authentication (2FA) for user logins.
• Experience with performance optimisation for high-traffic scenarios and a large number of concurrent users.

The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division.

As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, you’d be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves.

Your key focus will be:

• Leading the design and development of new product features, providing a holistic approach to design
li>Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion
• Address any performance bottlenecks and optimise performance of complex data workflows
li>Championing best practice and guiding the junior team members

What they’re specifically looking for:

< i>C# development experience (.Net 8) with production-level proficiency
• Data engineering – data-intensive application experience
< i>Python
• Azure PaaS / SaaS tools (eg. Azure Functions, App Services, Batch, Blob/Table/Queue Storage)
• Excellent problem-solving skills

Why join them:

It’s an entrepreneurial environment pushing the boundaries, harnessing technology to enable more efficient analytics. A true people-first employer where you’ll be supported to learn and develop your skills in a collaborative, innovative environment. Hybrid working (2 days a week in their London office), discretionary bonus, enhanced pension, private medical insurance, superb wellbeing services and much more.

The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division.

As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, you’d be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves.

Your key focus will be:

• Leading the design and development of new product features, providing a holistic approach to design
li>Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion
• Address any performance bottlenecks and optimise performance of complex data workflows
li>Championing best practice and guiding the junior team members

What they’re specifically looking for:

< i>C# development experience (.Net 8) with production-level proficiency
• Data engineering – data-intensive application experience
< i>Python
• Azure PaaS / SaaS tools (eg. Azure Functions, App Services, Batch, Blob/Table/Queue Storage)
• Excellent problem-solving skills

Why join them:

It’s an entrepreneurial environment pushing the boundaries, harnessing technology to enable more efficient analytics. A true people-first employer where you’ll be supported to learn and develop your skills in a collaborative, innovative environment. Hybrid working (2 days a week in their London office), discretionary bonus, enhanced pension, private medical insurance, superb wellbeing services and much more.

Senior Backend Developer

Capital Pay Software Solutions Ltd

• Promoting world class payment solution systems to global audiences
li>Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform.  li>This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals to strengthen our expert team. If you excel in a dynamic environment and are dedicated to developing secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape.
•  

Key Responsibilities:

• Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer.
• Select and implement appropriate technologies from our stack, which includes python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL for transactional date, with Redis for caching and session management.
• Design and implement robust security measures, including AES-256 encryption for sensitive data, TLS for secure communication, and OAuth/JWT for authentication and authorisation.
• Ensure the platform is compliant with PCI-DSS, GDPR, and other relevant data protection regulations.
• Integrate multiple payment gateways (Capital Pay, Stripe, Paypal, Barclaycard, Adyen, Worldpay) using provided SDKs/APIs.
li>Implement advanced fraud detection and anti-mney laundering (AML) systems.
• Develop and maintain RESTful APIs for seamless communication with the frontend and external systems.
li>Implement features for transaction tracking and status management (pending, completed, failed), refund and chargeback handling, and payment settlement (funds transfer to merchant accounts).
• Participate in architectural design discussions, code reviews, and technical mentoring.
• Contribute to the development of a developer-friendly API and comprehensive documentation.
• Set up and manage cloud infrastructure on AWS, Google Cloud, or Azure.
• Implement and manage continuous integration and continuous delivery (CI/CD) pipelines to automate software builds and deployments

We are looking for a candidate who:
• Has a proven track record of 6+ years in backend development, with significant experience in the FinTech or financial services sector.
• Possesses deep expertise in building scalable and secure backend services.
• Is proficient in at least one of the specified programming languages (Python, Node.js, Kotlin or Java) and their associated frameworks.
• Has a strong experience with database design and management, including both SQL (PostgreSQL or MySQL) and potentially NoSQL databases.
• Has hands-on experience with RESTful API design and microservices architecture.
• Demonstrates a strong understanding of security best practices and compliance standards like PCIDSS and GDPR.
• Has experience integrating with third-party APIs, particularly payment gateways.
• Has experience in NFC/RFID technology and Payment Networks integrations.
• Is adept at problem-solving, has excellent attnetion to detail, and can work effectively in a fast-paced,agile environment.
• Familiarity with serverless architecture is beneficial.
• Experience with messaging systems like RabbitMQ or Kafka is a plus.
• Experience implementing two-factor authentication (2FA) for user logins.
• Experience with performance optimisation for high-traffic scenarios and a large number of concurrent users.

Cutting Edge Music Tech - On-Demand Vinyl Records

We're looking for a Senior Full Stack Developer to join our Web Platform Team and help redefine the music industry. The company has invented a new technology to produce on-demand vinyl records and built a web platform for music creators to create and sell their products worldwide via our store at zero cost. We are working with the leading record labels, streaming services, digital service providers, distributors, and iconic global artists who are keen to partner with us to build a global solution for physical media. But most of all, we would also like to give small artists and artists at the beginning of their careers frictionless access to offer vinyl and CD to their fans via our innovative solution and planned production/fulfilment centres in Europe, USA and Asia.

The vinyl market has been growing on average more than 20% yearly over the last 16 years, and even CDs are growing for the first time in two decades. Over 30 million creators are releasing their music online today, and they are growing 30% a year. They represent the fastest-growing music segment. Most of them would like to have their music on vinyl or CD for their friends & family and especially their fans. elasticStage will provide them with easy and affordable access via its unique and scalable on-demand tech.

We are seeking a highly skilled and motivated Senior Full Stack Developer . As a key member of our dynamic start-up, you will be responsible for building and scaling our web applications, ensuring high performance and reliability while delivering outstanding user experiences. You will work with a modern tech stack, including PHP, AWS, Docker, and various AWS services, and collaborate closely with other engineers to drive the product’s success.

Come join us and help scale a fast-growing, high-profile industry disruptor!

Requirements

• Collaborate with cross-functional teams, including developers, designers, and product managers, to conceptualize and deliver robust software solutions.

• Lead the design and implementation of scalable client-side and server-side architecture.
• Develop visually engaging, high-performance front-end interfaces with a strong emphasis on user experience.
• Build and maintain reliable, secure, and efficient databases and backend services.
• Conduct thorough testing to ensure application responsiveness, performance, and stability across platforms.
• Troubleshoot complex issues, debug code, and oversee software upgrades with minimal disruption.
• Produce and maintain comprehensive technical documentation to support development and onboarding.
• Drive innovation by aligning technical solutions with user needs and business goals.
• Uphold code quality through peer code reviews, best practice enforcement, and proactive refactoring.

• Proven experience as a PHP Full Stack Developer or similar role.
• Familiarity with database systems like MySQL or PostgreSQL, web servers (e.g. Nginx) and UI/UX design.
• Experience developing with PHP frameworks such as Laravel or Symfony. 
• Expertise with AWS technologies, including Amazon RDS, Elasticache, CloudFront, and ElasticSearch.
• Familiarity with common stacks (AWS, Docker).
• JavaScript experience with one or more JS frameworks (Vue, React), preferably Vue3 and have a good understanding of modern frontend and backend technologies.
• Experience in writing frontend and backend unit and integration tests (eg.: PHP Unit, Vitest, Cypress).
• Attention to detail and a commitment to producing high-quality, maintainable code.
• Excellent communication and teamwork skills.
• Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

• Knowledge of cloud infrastructure best practices.

Benefits

What We Offer 

• Industry-Leading Salary Package: Enjoy a highly competitive salary package that rewards your expertise and hard work.
• Generous Paid Holiday: Take advantage of 25 days of paid holiday to relax and recharge.
• Comprehensive Pension Scheme: Secure your future with our robust pension scheme.
• Convenient On-Site Parking: Benefit from hassle-free on-site parking.
• Cutting-Edge Tech Office Environment: Work in a modern, tech-driven office environment equipped with the latest tools and technology.
• Medical Insurance: Protect yourself with our comprehensive medical insurance plan.
• Free Snacks and Beverages: Enjoy free snacks and beverages to keep you energised throughout the day.

Work Location 

• Enjoy a hybrid work model with the flexibility to work from home, while spending at least 1 day a week in our vibrant Elstree office (WD6).

• Lead the design and development of backend services and APIs using Python and Django framework.
• Architect and implement scalable, secure, and efficient microservices.
• Mentor and guide a team of backend developers, fostering a culture of technical excellence and collaboration.
• Conduct code reviews, ensuring code quality, performance, and maintainability.
• Collaborate with frontend developers, product managers, and other stakeholders to define project requirements and deliver features.
• Optimize application performance, database queries, and infrastructure.
• Implement and manage CI/CD pipelines for seamless deployment.
• Stay up-to-date with emerging technologies and industry trends, evaluating and recommending new tools and techniques.
• Troubleshoot and resolve complex technical issues.
  The ideal candidate will have a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field, with a minimum of 6 years of professional backend development experience, including at least 2 years in a leadership or senior role. Strong proficiency in Python and the Django framework is essential. Experience with RESTful APIs, databases (e.g., PostgreSQL, MySQL), cloud platforms (AWS, Azure, or GCP), and containerization technologies (Docker, Kubernetes) is required. Excellent problem-solving, communication, and leadership skills are a must. Experience with asynchronous programming, message queues (e.g., RabbitMQ, Kafka), and CI/CD tools is highly desirable.