339 jobs found in Croydon

LOCATION: Bromley (on-site with some flexibility) RATE: £350 per day TIMEFRAME: Approx. 6–7 days ESTIMATED TOTAL: £2,100–£2,450 (depending on final scope) CLOSING DATE: We are reviewing applications on a rolling basis and applications will be reviewed as they are received Greener and Cleaner is a grassroots, community-led charity based in Bromley. Founded in 2019 by local residents, we support people and organisations to take practical action on climate change and sustainable living at home, at work and in their communities. We have grown from a volunteer-led initiative into a thriving community charity, with thousands of engaged members and volunteers. We are a collaborative organisation, working closely with our team, volunteers and wider community to create inclusive, non-judgemental spaces that encourage learning, participation and behaviour change. We are looking for a consultant to support us in reviewing and strengthening our data...

World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome. World Wide Technology (WWT) is looking for an experienced Datacenter Network Engineer with strong experience in designing, implementing, and supporting scalable datacenter networks using Cisco and Arista technologies. The ideal candidate will require hands-on expertise in Layer 2/3 protocols (VLANs, STP, VXLAN, BGP, OSPF, EVPN) and working in multi-vendor environments. This is a contract Role & Inside IR35 Datacenter Network Engineer Contract Duration :  6 months! Location:   Bromley, UK (Hybrid with 2 days on-site per week) Experience as a Network Engineer in datacenter environments. Design and implement robust and scalable datacenter network architectures using Cisco and Arista solutions. Configure Layer 2/3 networking...

LOCATION: Bromley (on-site with some flexibility) RATE: £350 per day TIMEFRAME: Approx. 6–7 days ESTIMATED TOTAL: £2,100–£2,450 (depending on final scope) CLOSING DATE: We are reviewing applications on a rolling basis and applications will be reviewed as they are received Greener and Cleaner is a grassroots, community-led charity based in Bromley. Founded in 2019 by local residents, we support people and organisations to take practical action on climate change and sustainable living at home, at work and in their communities. We have grown from a volunteer-led initiative into a thriving community charity, with thousands of engaged members and volunteers. We are a collaborative organisation, working closely with our team, volunteers and wider community to create inclusive, non-judgemental spaces that encourage learning, participation and behaviour change. We are looking for a consultant to support us in reviewing and...

LOCATION: Bromley (on-site with some flexibility) RATE: £350 per day TIMEFRAME: Approx. 6–7 days ESTIMATED TOTAL: £2,100–£2,450 (depending on final scope) CLOSING DATE: We are reviewing applications on a rolling basis and applications will be reviewed as they are received Greener and Cleaner is a grassroots, community-led charity based in Bromley. Founded in 2019 by local residents, we support people and organisations to take practical action on climate change and sustainable living at home, at work and in their communities. We have grown from a volunteer-led initiative into a thriving community charity, with thousands of engaged members and volunteers. We are a collaborative organisation, working closely with our team, volunteers and wider community to create inclusive, non-judgemental spaces that encourage learning, participation and behaviour change. We are looking for a consultant to support us in reviewing and...

We are seeking a Graphic Designer for regular, part-time work (2–4 hours per day) based in (or willing to travel to) the Deptford and Greenwich area. The position is flexible and can fit around your other projects. Your main responsibility will be to direct, mentor, and improve the work of our design team. Web design and "vibe coding" experience is a preferred bonus, but your primary focus must be a strong mastery of graphic design. This is an ongoing, steady role paid on a per-hour basis with weekly payouts. If you are a local design professional who wants reliable daily hours that fit your lifestyle, please reach out. THIS IS NOT A REMOTE ROLE Pay: £30.00-£35.00 per hour Work Location: In person

This is a contract role for 3 months, starting in May ideally.   At Collinson, we don’t just build technology — we power the experiences behind some of the world’s most recognised travel, financial services, and retail brands. Our solutions help global brands acquire, engage, and retain millions of customers worldwide. Our flagship product is Priority Pass, the world’s leading airport experiences programme, trusted by travellers across more than 170 countries. Key clients include Mastercard, American Express, Cathay Pacific, British Airways, LATAM, Flying Blue, Accor, EasyJet, HSBC, Chase, HDFC. Our mission is focused on doing good beyond profit, which for us means we seek out opportunities for our people to share in our success and that we give back to the communities and people within which we work. Never short of ambition, the success of our business is delivered through the diverse and talented team of over 2,200 global...

ABOUT US: Here at Sphere (www.onsphere.com) we operate in the dynamic world of energy commodities trading, where information and speed are crucial for success. However, data in these markets is often fragmented and opaque, leaving participants with incomplete and poor-quality information…. Here at Sphere, we aim to bring order to this chaos by leveraging our innovative voice and AI technologies, as well as our patented Liquidity Lake, which consolidates all actionable liquidity onto one screen. Enhanced by AI insights and quantitative analytics, our platform is designed to support even the most skilled traders; See more. Win more. THE OPPORTUNITY: Pick up and own, the transformation of a typescript library running within Electron Produce recommendations for improvements to the interaction of the typescript library with the server backend and separately with the UI Refactor the library to drastically reduce the daily maintenance...

ABOUT US:   Here at Sphere (www.onsphere.com) we operate in the dynamic world of energy commodities trading, where information and speed are crucial for success. However, data in these markets is often fragmented and opaque, leaving participants with incomplete and poor-quality information…. Here at Sphere, we aim to bring order to this chaos by leveraging our innovative voice and AI technologies, as well as our patented Liquidity Lake, which consolidates all actionable liquidity onto one screen. Enhanced by AI insights and quantitative analytics, our platform is designed to support even the most skilled traders; See more. Win more.   THE OPPORTUNITY:   Pick up and own, the transformation of a typescript library running within Electron Produce recommendations for improvements to the interaction of the typescript library with the server backend and separately with the UI Refactor the library to drastically reduce the...

ABOUT US:   Here at Sphere (www.onsphere.com) we operate in the dynamic world of energy commodities trading, where information and speed are crucial for success. However, data in these markets is often fragmented and opaque, leaving participants with incomplete and poor-quality information…. Here at Sphere, we aim to bring order to this chaos by leveraging our innovative voice and AI technologies, as well as our patented Liquidity Lake, which consolidates all actionable liquidity onto one screen. Enhanced by AI insights and quantitative analytics, our platform is designed to support even the most skilled traders; See more. Win more.   THE OPPORTUNITY:   Pick up and own, the transformation of a typescript library running within Electron Produce recommendations for improvements to the interaction of the typescript library with the server backend and separately with the UI Refactor the library to drastically reduce the...

Ideal start date Friday 19th June 8 week discovery moving straight into delivery phase. Client is a High street Retailer client looking at defining and then building a software product called "Menu Management" Looking at deep experience in discovery stage for complex software products Facilitating discovery activities with a cross functional product team (Design / Product / Tech / UX) Excellent client and stakeholder management skills £day rate (Outside IR35)  Immediate Interviews 2 days / week in person working (London)   

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform integrations within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this position at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide bot engineering expertise, conversational design judgment, and quality control to ensure bots are reliable, useful, and ready for real users. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe....

Contract Technical Product Owner, 12 months, Leeds or London We help organisations navigate the future of technology, combining human expertise, emerging tech and AI to deliver better outcomes, faster. Since 2014, we've worked side-by-side with clients to solve complex challenges, build high-performing teams, and create lasting capability. About you: You care deeply about producing high-quality work that delivers real value You're comfortable navigating ambiguity and solving complex problems collaboratively You bring strong expertise in your craft, alongside a willingness to keep learning You communicate clearly and build trust quickly with clients and teammates You're pragmatic, adaptable and outcome-focused You value low-ego collaboration and enjoy working as part of multidisciplinary teams What you'll bring to the table: Proven experience working within Agile development environments Strong analytical and problem-solving capabilities, with a...

On behalf of Homes England, we are looking for a Lead Data analyst  Inside IR35 for a 6 months contract based hybrid London Homes England, the government's housing and regeneration agency, plays a central role in tackling the housing challenges the country now faces. We have the appetite, influence, expertise , and resource to drive positive market change, and our mission is to ensure more homes are built in areas of greatest need, improve affordability and create a sustainable housing market. Following the publication of the government's Levelling Up White Paper, Homes England has also been tasked with a core role in spearheading regeneration, partnering with places to reduce economic disparity, empower local leaders and create equal opportunities across the country to ensure communities reach their full potential. As a Lead Data Analyst , your main responsibilities will be: Essential: Oversee end-to-end data processes, ensuring alignment with...

We are currently looking for an experience Principal Engineer to join us on a contract basis. This is a hybrid position and will require 3 days per week on client site in Central London. Role responsibilities: Define and drive technical strategy, architecture, and engineering standards across the Personalisation domain Design and deliver scalable systems supporting personalisation, search, recommendations, and ML-powered features Partner closely with Product, Data Science, and Design to deliver customer-centric solutions Lead and influence technical decision-making across multiple teams and platforms Mentor and support senior engineers, helping to raise the overall engineering capability Improve engineering quality, reliability, and productivity through best practices, tooling, and platform enhancemen Who you are: An experienced technical leader with a strong background in Java/Python and large-scale production systems Strong experience working with Machine...

About the Role We are looking for a tech-savvy Data & Automation Specialist who can help connect data infrastructure with media performance. You will work alongside our Data Science and Engineering teams to help build and maintain data-driven tools that automate and optimise media campaigns across major platforms. This is a hands-on, execution-focused role perfect for someone who loves SQL, data extraction, and using the latest AI tools to speed up workflows. Key Responsibilities Pull and analyze data from relational databases using SQL to see how media campaigns and algorithms are performing. Help implement and support automated, ML-driven tools designed to optimize media spend across ad platforms. Use agentic AI tools (like Claude Code) to help query codebases and automate routine technical tasks. Help turn business requests into clear technical documentation, system specs, and user stories for the engineering team. Work daily with Data...

About Huawei Research and Development UK Limited Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. Our vision and mission is to bring digital to every person, home and organization for a fully connected, intelligent world. To this end, we will drive ubiquitous connectivity and promote equal access to networks; bring cloud and artificial intelligence to all four corners of the earth to provide superior computing power where you need it, when you need it; build digital platforms to help all industries and organizations become more agile, efficient, and dynamic; redefine user experience with AI, making it more personalized for people in all aspects of their life, whether they’re at home, in the office, or on the go. This spirit of innovation has led...

Are you a Geospatial Data Scientist looking to grow your expertise and make a difference on projects across the world? You will join us as a Geospatial Data Scientist - a key member of our Geospatial Science and Digital Twins team, responsible for applying advanced analytical techniques to derive insights from its big data. We are proud of the different clients, countries and types of project that we get the opportunity to experience. We have particular expertise in large scale masterplanning projects and enjoy a mix of scales and projects type and aim to ensure our team members experience a broad range of projects during their careers. This is a permanent opportunity however we are open to candidates who wish to work on a contract basis (inside IR35). Key Duties Responsible for undertaking research and development into geospatial services and application of new technologies, development of automated solutions, including developing 3D virtual cities and digital...

Senior Java Developer London – (Contractors Outside IR35) In London WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world’s leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Java Developer services on an exciting project! THE SERVICES REQUIRED: A JVM lover who really enjoys working with the latest technologies and design patterns Eager to solve complex technical challenges, especially in...

Role description Workday Integration / Reporting Architect (Part-Time) Location: London / Leeds (Hybrid) Type: Contract Inside IR35 / Fixed Term Start: 1st July Working Hours: UK: 3:00 PM – 7:00 PM BST US overlap: 10:00 AM – 1:00 PM or 2:00 PM ET We are seeking a Workday Integration or Reporting Architect with a strong consultative and delivery-focused mindset. This role goes beyond development, requiring someone who can drive requirements, manage delivery cadence, and lead integration outcomes across Workday implementations. Key Responsibilities: Act as a consultative lead for Workday integrations and/or reporting solutions Drive requirements gathering, solution design, and stakeholder alignment Plan and manage meeting cadences, milestones, and delivery timelines Coordinate integration design and mapping across multiple interfaces Track and manage risks, issues, and dependencies, ensuring timely resolution Support...

Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...