Senior Application

1 month ago

London, United Kingdom Tag Full time

We are the long-standing, production partner of choice that has helped brands across borders and cultures for over half a century achieve their business goals. We embrace difference through diversity of thought, experience, and expertise to maximise potential and bring the greatest benefits for our people and our clients.


In June 2023, Tag was acquired by dentsu Group, Inc, though we remain a distinct brand that is led by David Kassler, Tag Global CEO, headquartered in London. As dentsu’s acquisition of Tag significantly expands content delivery capabilities, Tag’s expertise to deliver personalized, omnichannel content in real-time and at-scale for clients remains unparalleled across the entire customer journey, unlocking marketing effectiveness and efficiency.


Tag and dentsu bring together our innovation and technology infrastructure to help solve clients’ toughest challenges. United in business acumen, we share similar core values, company culture, and embrace a vision “to be at the forefront of people-centric transformations that shape society.
We are seeking a visionary Senior Application/Python Developer with a proven track record in developing robust backend systems and scalable applications. This role is designed for a fast-paced, entrepreneurial-minded individual who excels in a dynamic environment, innovating and delivering high-quality software solutions efficiently.


The ideal candidate will have a deep understanding of Python and its application in web and software development, along with a passion for solving complex problems and contributing to the development of cutting-edge technology.


7+ years of professional experience in application development, with a significant portion dedicated to Python.
~ Comprehensive understanding of web technologies and architectures, with the ability to design and implement efficient, scalable solutions.
~ Experience in developing and deploying applications in cloud environments (AWS, Azure, GCP) is highly desirable.
~ Excellent communication and collaboration skills, with experience working in agile development teams.


Experience with Docker, Kubernetes, asynchronous communication, and CI/CD pipelines demonstrating proficiency in modern deployment and containerization technologies.
Knowledge of additional programming languages (e.g., Java, JavaScript, Go, Ruby) is a plus.
Active participation in the tech community, demonstrated through contributions to open-source projects, technical blogs, or speaking engagements.

Lead the design and development of scalable backend systems, APIs, and services, ensuring performance, security, and reliability.
Expertise in Python and its frameworks (such as Django, Flask, FastAPI), with a strong grasp of software engineering principles.
Design and implement data storage solutions, understanding the intricacies of databases (SQL and NoSQL) and data modeling.
Contribute to the entire application lifecycle, focusing on coding, debugging, and integration of third-party services.
Promote and implement best practices in code quality, testing, and maintenance to ensure high standards are met and maintained.
Collaborate with cross-functional teams including Product Owners, UI/UX Designers, and other engineers to create cohesive and innovative solutions.


As an ethical employer, Tag will never ask job applicants to provide private, sensitive information upfront or make offers of employment contingent on financial requests or responsibilities from any candidate.

  • Senior Application Support

    4 weeks ago

    London, United Kingdom Harrington Starr Full time

    Location: - London- Industry: - Salary: - £60,000 - £85,000- Reference: - 17243- Contact name: - James Platt- Job published: - March 22, 2023**Job description**: **Senior Application Support Analyst - Linux, Windows, Powershell, Financial Services, MS SQL Server, Oracle** As a Senior Application Support Analyst you will need to take ownership of issues...

  • Senior Application Developer

    4 weeks ago

    London, United Kingdom Method Resourcing Full time

    **SAP |.NET | Agile | Remote | Digital Development | £75,000 - £85,000 | Senior Application Developer** Are you looking for a fully remote role with all the perks that can only come with luxury retail? Come and work for one of the World's Biggest Retail companies as a Senior Application Developer and discover the finer things in life! - Method Resourcing_...

  • Senior Financial Accountant Temporary or Permanent

    7 days ago

    London, United Kingdom Hays Senior Finance Full time

    Senior Financial Accountant (Renewable Energy) Employer Hays Senior Finance Location London, England Salary GBP60000.0 per annum + bens + bonus Closing date 16 May 2024 A London based, Renewable Energy investor and developer. The organisation have investment and management assets across the globe and would be looking for someone to deal across the group....

  • Senior Financial Accountant

    4 weeks ago

    London, United Kingdom Hays Senior Finance Full time

    The role would really suit someone with experience in the sector who can apply a proactive approach to developing this role and team. If you are looking to work for a market leader then this is the role for you. The company also offer a flexible hybrid model. What you\'ll get in return As a role that gives the opportunity for senior level exposure...

  • Senior Application Engineer

    2 weeks ago

    London, United Kingdom Kapsch Trafficcom Transportation SA. Full time

    Senior Application Engineer LondonFull time We are looking for a L2 Senior Application Engineer to join our team! Your Responsibilities: Provides end-to-end Application/System support experience for the customer for proprietary applications, as well as COTS components. Systems administration/monitoring (+200 servers). As subject matter expert,...

  • Senior Applications Analyst

    4 weeks ago

    London, United Kingdom Picture More Full time

    **Salary: £63,000 - £69,000** **Location - 2-3 days onsite (City) / 2 days’ working from home** Attention all tech-savvy problem solvers! A prestigious UK law firm is seeking a Senior Applications Analyst to join their dynamic team. This is an opportunity to use your expertise to make a real impact in the LegalTech industry, working with some of the...

  • Senior Applications Analyst

    4 weeks ago

    London, United Kingdom Picture More Full time

    Attention all tech-savvy problem solvers! A prestigious UK law firm is seeking a Senior Applications Analyst to join their dynamic team. This is an opportunity to use your expertise to make a real impact in the LegalTech industry, working with some of thelatest software systems and technologies. As a Senior Applications Analyst, you'll be responsible for...

  • Senior Application Security Engineer.

    5 days ago

    London, United Kingdom Oliver Bernard Full time

    Senior Application Security Engineer - Hybrid - £125K One of our clients is seeking a Senior Application Security Engineer to join their expanding security function. The role is based in Central London and offers hybrid working. Have worked as an Application Security Engineer, preferably in the fintech industry. # Have a deep understanding of web...

  • Senior Application Security Engineer.

    13 hours ago

    London, United Kingdom Oliver Bernard Full time

    Job Description Senior Application Security Engineer - Hybrid - £500 Outside IR35 Our client who is a leading fintech are looking for a Senior Application Security Engineer. They are offering hybrid working with their offices located in Central London You will have the opportunity to foster the growth and advancement of team members within the...

  • Senior Applications Support

    4 weeks ago

    London, United Kingdom CHL Head Office - Finance Full time

    An exceptional opportunity has arisen for a Senior Application Support at Criterion Hospitality. **About us**: We are a passionate and creative company looking to bring innovation into to our real-estate, hotels, and other parts of our business. If your next role involves drive and passion for innovation, in a fast-paced environment, then we would be...

  • Senior Application Security Analyst

    4 weeks ago

    London, United Kingdom Miller Maxwell Full time

    Senior Application Security Analyst required by global financial services organisation. The Application Security Analyst will own and assist the client with application security strategy and information technology strategy. The client's cutting-edge technology and innovative solutions are shaping the future of their financial service niche enhancing their...

  • Senior Application Security Analyst

    4 weeks ago

    London, United Kingdom Miller Maxwell Ltd Full time

    Job Description Senior Application Security Analyst required by global financial services organisation. The Application Security Analyst will own and assist the client with application security strategy and information technology strategy. The client's cutting-edge technology and innovative solutions are shaping the future of their financial service...

  • Senior Application Security Engineer.

    1 day ago

    City of London, Greater London, United Kingdom Oliver Bernard Full time

    Job Description Senior Application Security Engineer - Hybrid - £125K One of our clients are on the search for a Senior Application Security Engineer, to join their expanding security function. They are based in Central London and are offering hybrid working. You will have worked as a Application Security Engineer, preferably in the fintech...

  • Application Support

    4 weeks ago

    London, United Kingdom Harrington Starr Full time

    Location: - London- Industry: - Salary: - £60,000 - £70,000- Reference: - 17369- Contact name: - James Platt- Job published: - April 19, 2023**Job description**: **Senior Application Support Analyst - Linux, Windows, Powershell, Financial Services,** As a Senior Application Support Analyst you will need to take ownership of issues and provide procedural...

  • Business Development Executive Director

    2 weeks ago

    London, United Kingdom Uni Application Portal (UAP) Full time

    Job Title: Business Development Executive Overview: UAP is looking for a Business Development Executive to lead our efforts in recruiting international students. We need someone who's good at building partnerships, improving our recruitment strategies, and growing our business. Strategic Planning and Vision: Create and implement a thorough strategic...

  • L2 Senior Application Engineer

    3 weeks ago

    London, United Kingdom Kapsch TrafficCom Ltd. Full time

    We are looking for a   L2 Senior Application Engineer   to join our team! Your Responsibilities: Provides end-to-end Application/System support experience for the customer for proprietary applications, as well as COTS components. Systems administration/monitoring (+200 servers). As subject matter expert, performs in-depth troubleshooting...

  • L2 Senior Application Engineer

    3 weeks ago

    London, Greater London, United Kingdom Kapsch TrafficCom Ltd. Full time

    We are looking for a L2 Senior Application Engineer to join our team Your Responsibilities: Provides end-to-end Application/System support experience for the customer for proprietary applications, as well as COTS components. Systems administration/monitoring (+200 servers). As subject matter expert, performs in-depth troubleshooting and identifies resolution...

  • Senior Application Security Engineer

    2 weeks ago

    London, United Kingdom Harrington Starr Full time

    Senior Application Security Engineer, strategy, stakeholder conversations, thought leader, proactive, identity management, consulting, influencing, forward thinking, autonomy, code review, audits, pen testing, application reviewsPlease double check you have the right level of experience and qualifications by reading the full overview of this opportunity...

  • Senior Application Security Engineer

    1 month ago

    London, United Kingdom Harrington Starr Full time

    Senior Application Security Engineer, strategy, stakeholder conversations, thought leader, proactive, identity management, consulting, influencing, forward thinking, autonomy, code review, audits, pen testing, application reviews A fantastic opportunity has arisen for a skilled Senior Application Security Engineer with excellent communication skills to...

  • Senior Application Security Engineer

    2 days ago

    London, United Kingdom Harrington Starr Full time

    Senior Application Security Engineer, strategy, stakeholder conversations, thought leader, proactive, identity management, consulting, influencing, forward thinking, autonomy, code review, audits, pen testing, application reviewsPlease double check you have the right level of experience and qualifications by reading the full overview of this opportunity...