Senior Frontend Developer

1 month ago

Croydon, Greater London, United Kingdom Janes Full time

Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured intelligence across military capabilities, order of battle, equipment, events, countries, companies, and markets.

Our data model creates a framework of interconnected open-source defence intelligence, linking millions of assured data points. This allows our customers to integrate all relevant data and connections into a single intelligence environment, delivering a more complete and accurate answer. Using Janes, our customers can use their scarce resources more effectively, making better decisions with higher confidence, more quickly.

Job Role

We're seeking a Senior Frontend Engineer to join our smart, motivated, and cross-functional agile unit. As an experienced engineer, you will contribute to the design, code, testing, and implementation of solutions to meet our customer's needs. Based in our offices in Croydon, you will be part of a team delivering high-quality, scalable, and robust components for our customer-facing systems.

Key Responsibilities

  • Contribute to the design, coding, testing, and delivery of applications and services across the full SDLC.
  • Contribute to coding standards and create unit tests.
  • Be technically curious, tackling problems without giving up, and producing solutions.
  • Analyse existing systems and processes, offering incremental improvements.
  • Participate in code and design reviews, helping to improve overall software quality.
  • Be proud of the work you produce and how it is done, helping to identify opportunities for the adoption of new technologies.

Requirements

  • High proficiency and experience with React and associated tooling.
  • High proficiency and experience with Typescript and associated tooling.
  • In-depth practical experience in HTML5, CSS & JavaScript and building responsive websites.
  • Understanding and experience with RESTful web services and API design.
  • Understanding of & npm.
  • Experience with cloud-native development and deployment inside AWS, API Gateways / Lambdas.
  • Familiarity with Unit testing, TDD, and automated frontend (unit/component) using jest and playwright.
  • Experience working with.NET stack a bonus.

Benefits

  • 27 days of annual leave.
  • Healthy half-day leave every 6 months for wellbeing.
  • Leave for study, volunteer, or reserve forces.
  • Pension plan (6% employer contribution).
  • Private medical insurance – Vitality.
  • Maternity (100% of basic salary for the first 26 weeks followed by Statutory Maternity Pay).
  • Paternity (100% of basic salary for 6 weeks).
  • Life cover.
  • Access to GoodHabitz.
  • Access to the onsite gym.

  • Senior Frontend Developer

    2 weeks ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes enables militaries, governments, and defence companies to make critical decisions. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Linking millions of assured data...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    1 month ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes is a leading provider of open-source intelligence solutions to militaries, governments, and defence companies. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our...

  • Senior Frontend Developer

    2 weeks ago

    Croydon, Greater London, United Kingdom Proactive Appointments Limited Full time

    Job Title: Frontend DeveloperJob Description:We are seeking a talented Frontend Developer to be part of our clients' innovative team at Proactive Appointments Limited. This is a unique opportunity for someone with strong technical skills and a drive to work with modern technologies in a fast-paced, high-growth environment.Key Responsibilities:Build and...

  • Software Engineer

    1 week ago

    Croydon, Greater London, United Kingdom ID Medical Group Services Full time

    Key Responsibilities:Design and develop the frontend of web applications using HTML, CSS, and JavaScript.Collaborate with the backend team to ensure seamless integration of features.Participate in code reviews to maintain high-quality standards.Requirements:Proficiency in JavaScript and its frameworks.Experience with HTML and CSS for frontend...

  • Senior Frontend Software Developer

    2 weeks ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes enables militaries, governments, and defence companies to make critical decisions. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Linking millions of assured data...

  • Senior Frontend Software Engineer

    2 weeks ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes enables militaries, governments, and defence companies to make critical decisions. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Linking millions of assured data...

  • Senior Frontend Software Engineer

    2 weeks ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes enables militaries, governments, and defence companies to make critical decisions. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Linking millions of assured data...

  • Software Engineer

    1 week ago

    Croydon, Greater London, United Kingdom Blue Arrow Full time

    We are seeking a skilled Software Engineer - Frontend Specialist to join our team at {company}.The ideal candidate will have experience with designing and developing engaging user interfaces, as well as ensuring seamless interactions between the frontend and backend systems.The responsibilities of this role include:Main Responsibilities:Design and develop...

  • Software Engineer

    1 week ago

    Croydon, Greater London, United Kingdom Your World Recruitment Full time

    Job Description:As a Software Engineer - Frontend at our company, you will be responsible for designing and developing the user interface and user experience of our web applications. You will work closely with the product team to understand their requirements and implement features that meet their needs.Key Responsibilities:- Design and develop user...

  • Senior Software Engineer

    1 week ago

    Croydon, Greater London, United Kingdom TPF Recruitment Full time

    We are seeking a skilled Backend Developer with experience in Frontend development to join our team at {company}.Key Responsibilities:•Design and implement scalable and efficient backend systems•Collaborate with cross-functional teams to ensure seamless integration with frontend componentsRequirements:•5+ years of experience in backend development with...

  • Senior Frontend Developer

    4 hours ago

    Croydon, Greater London, United Kingdom Janes Full time

    Janes empowers militaries, governments, and defense companies to make informed decisions. Our expert-driven tradecraft, developed over 120 years, combined with human-machine teaming, delivers assured open-source intelligence across military capabilities and order of battle, equipment, events, countries, companies, and markets.Our data model creates a...

  • Software Engineer

    1 week ago

    Croydon, Greater London, United Kingdom PPF (Pension Protection Fund) Full time

    At our company, we are looking for a skilled Backend Software Developer to join our team. About the JobAs a Backend Software Developer, you will be responsible for designing, developing, and maintaining the backend of our software applications. Key Responsibilities• Design and develop the backend of our software applications using Java and Python•...

  • Senior Software Developer

    4 weeks ago

    Croydon, Greater London, United Kingdom HM Land Registry Full time

    About the RoleWe are seeking a highly skilled Senior Software Developer to join our team at HM Land Registry. As a key member of our Transformation and Technology directorate, you will play a critical role in developing and maintaining the integrations between our various corporate services and systems.Key ResponsibilitiesDesign and develop capability APIs...

  • Senior Software Developer

    4 weeks ago

    Croydon, Greater London, United Kingdom HM Land Registry Full time

    About the RoleWe are seeking a highly skilled Senior Software Developer to join our team at HM Land Registry. As a key member of our Transformation and Technology directorate, you will play a critical role in developing and maintaining the integrations between our various corporate services and systems.Key ResponsibilitiesDesign and develop capability APIs...

  • Senior Software Developer

    4 hours ago

    Croydon, Greater London, United Kingdom Janes Full time

    Job Purpose: Janes is seeking a highly skilled Senior Software Engineer to join our team as a key member of our full stack agile unit with a backend focus.About the Role: As a Senior Software Engineer, you will be responsible for developing solutions to ingest, transform, and serve data, both for internal purposes and for customers.Key...