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C++ Trading Platform Developer A leading crypto-native algorithmic trading firm is looking for a C++ Trading Platform Developer to join its London-based team. This is an opportunity to work at the intersection of high-performance engineering and digital asset markets, building and scaling a global trading platform that operates across dozens of exchanges worldwide. The environment combines the technical standards of top-tier high-frequency trading firms with the pace and ownership of a technology start-up. You’ll work on a global, low-latency trading platform spanning multiple continents, covering: • Real-time market data capture, • Order entry and connectivity across numerous exchanges, • Robust networking and monitoring systems, • Scaling and performance optimisation of core infrastructure The tech stack is primarily C++ and Python, running on Linux across both development and production. The focus is on writing clean, scalable, high-performance code and continuously improving system reliability and speed. This is a hands-on engineering role with direct exposure to traders and senior technical leadership. You’ll be given meaningful ownership from day one and the freedom to shape your impact. What We’re Looking For • Strong C++ skills (assessment will form part of the process), • Deep understanding of data structures and performance optimisation, • Experience building client-server network applications, • Curiosity to understand how C++ standard libraries and systems work “under the hood”, • Strong analytical and problem-solving ability Desirable: • Knowledge of networking, CPU architecture, memory models, or assembly, • Interest in algorithmic or quantitative trading Why Apply? • Work on genuinely high-performance, real-time trading systems, • Significant ownership and responsibility early on, • Flat structure with direct access to senior leadership, • No legacy tech, no unnecessary bureaucracy, • Performance-based compensation with strong earning potential, • Central London office with flexible working arrangements (hybrid), • Visa sponsorship and relocation support available If you’re passionate about low-level systems, high-performance C++, and building robust trading infrastructure from the ground up, this is a rare opportunity to make a direct impact in a fast-moving market.

pobl. is a talent consultancy specialising in medical communications, healthcare advertising and market access. We work with international clients on a range of hiring needs, from entry-level to executive appointments. We're hiring for a Senior Medical Writer to join a global healthcare agency within their medical communications division. This permanent role involves leading project teams to deliver diverse medical communications and medical affairs materials for pharmaceutical and medical technology clients. You will be responsible for content leadership and project oversight, ensuring all work meets specific scientific standards and client requirements. The position offers a salary of £50,000 per annum, a discretionary profit-share bonus, and a comprehensive benefits package. This role is hybrid, and can be based in Manchester, Bristol, Cambridge, or London. Following successful completion of a probationary period, you can work from home 50% of the time. During probation, WFH is ~1 day per week. What you'll be doing • Content Leadership: Lead the development of scientific materials for publications and medical affairs accounts, including manuscripts, abstracts, and medical education content, ensuring all deliverables are tailored to the intended audience., • Quality Oversight: Act as a point of quality control by reviewing the work of team members and providing feedback to maintain high standards of accuracy., • Client Engagement: Manage regular interactions with clients to provide strategic advice at project initiation and maintain professional relationships throughout the project lifecycle. The experience you'll need • MedComms Agency Experience: Professional medical writing experience within a medical communications agency setting, ideally at Senior Medical Writer level., • Scientific Credentials: A degree-level qualification in a scientific discipline, such as biology, chemistry, pharmacy, or medicine., • Team Coordination: Proven ability to lead project components, delegate tasks effectively, and manage multiple demands within a team environment. Please apply via the job advert for immediate consideration with your CV. We'd be delighted to hear from you. Your career in #MedComms? It's a pobl. thing.

GROWTH EXECUTIVE - STARTING SALARY £28K + BONUS SCHEME Rainmaker is a business growth consultancy working from our beautiful Fora offices in London’s buzzy Shoreditch from Mondays to Thursdays, with hybrid working on Fridays, and with clients mainly in advertising, marketing, and social. We seek a business growth executive for an entry-level position supporting the team with daily productivity, but with potential to develop into a client-facing role further down the line. With frequent check-ins, coaching and training, this would be a wonderful opportunity for a graduate or first jobber with strong writing skills and attention to detail, looking for a career in business development. Rainmaker is known to be the best at what we do - advising and enabling leading marketing agencies to engage with the clients they most want to win. We do this by identifying business challenges at brands like Netflix, TikTok, PlayStation, Zara, Gymshark, Audi, Canada Goose, Sonos, Monzo, and Estée Lauder. The role primarily involves driving results for client market engagement using our in-house resources. It would help to have a good grasp of how brands and businesses operate in the real world, plus exemplary communication skills. THE ROLE IN MORE DETAIL • Manage client engagement targets using our information and data platforms., • Handle responses and arrange meetings for the parties involved., • Create meeting insight packs to prepare and support our clients when pitching., • Help identify those responsible for buying our clients’ services., • Maintain your data and associated admin on our systems., • Continually strengthen your knowledge of brands, their business issues, the marketing space, and general business environment. CAREER PROGRESSION As a boutique organisation we can flexibly grow and evolve the talent base on real-time progress. Typically, our growth executives are advanced after about 12 months. We will regularly be checking in with you and looking at ways to train, develop, and evolve your skillset – so you evolve with us! RAINMAKER PROVIDES • The best training and support; we all want you to succeed and will help you however we can., • Competitive salary progression, and performance-based discretionary bonuses., • 20 days holiday in addition to public holidays, and depending on the calendar that year, another 3-4 gifted days over Xmas., • Hybrid working every Friday, with access to over 60 other Fora workspaces if required., • Company pension scheme., • Fantastic serviced-workspace in Shoreditch - well connected for public transport, and the buzzy day and nightlife the area provides., • Regular social events., • Free gym with classes and flexible worktime arrangement to accommodate lunchtime sessions., • Breakout kitchen and social areas with a quiet outdoor oasis for meetings and lunches with city views., • Comfy and spacious communal areas with lots of power sockets., • Plentiful and secure bike racks., • Freshen up post-workout or bike ride in the luxuriously designed, fully stocked showers and changing facilities., • New Jura coffee machines, and fuel your day with complimentary fruit, light snacks, and drinks., • And lots of other pleasant things too, like the loan of umbrellas at the downstairs reception when it’s raining! WHAT WE NEED FROM YOU • Strong academic results relevant to this role at degree level, A levels, and at GCSEs (or equivalents) clearly set out on your CV or covering note., • Some intern or fulltime experience with business or marketing., • Strong verbal communication skills, with the confidence to actively participate in internal meetings and discussions., • A passion for brands and marketing., • An interest in current affairs and business news., • You will have excellent English language skills, writing fast and accurately even when under pressure to meet deadlines., • Drive, hard work, resilience, and a willingness to learn and improve your skills., • Travelling to Shoreditch EC2 (5 mins from Shoreditch High Street Rail Station, and 9 mins from Liverpool Street Station) doesn’t present you with any problems., • Current, full eligibility to permanently live and work in the UK.

We are seeking analysts experienced in a GSOC environment to join our growing team. This is not an IT/cybersecurity position. This role will require using intelligence tools and conducting open-source research to identify emerging threats to client assets and personnel and provide timely notification in accordance with company Standard Operating Procedures (SOPs). Preferred candidates are expected to have demonstrated experience in open-source intelligence (OSINT) analysis, be highly organized, have strong writing skills, and be interested in current physical security issues and trends. There are currently no expectations of security technology systems monitoring (e.g., CCTV systems, access control). Positions are in-person and located in London. This position will involve both day (7 AM – 7 PM GMT) and night shifts (9 PM – 9 AM GMT),* rotating on a month-to-month basis, to include weekend and holiday coverage (averaging around 40 hours/week). *Please note exact shift times are subject to change. Required Skills and Experience • Bachelor's degree required; International Relations, Political Science, History, English, Communications or related field (not cybersecurity)., • This is an entry level position. We encourage recent graduates with relevant educational backgrounds to apply or professionals with 1-2 years of experience in the security industry, military or law enforcement, or any research heavy position., • Experience using proximity alerting or intelligence tools is preferred., • Comfortable working and remaining calm in a fast-paced environment; ability to quickly shuffle priorities in accordance with changing demands., • Deep understanding and passion for breaking news, geopolitical events, global affairs, and risk issues., • Excellent written communications skills, with close proofreading and attention to detail., • Ability to work both independently and collaboratively within a team., • Collect and analyze data from global events, using open-source intelligence, to identify and mitigate threatening activities against office locations, special events, operations, assets, and personnel., • Remain in regular communication with your colleagues, based in both our London and Midtown Manhattan offices, for collaboration during and between shifts., • Document, draft, and edit policies and procedures and seek opportunities to improve existing systems., • Conduct a daily review of client travel, as required, cross-checking information across team, company, and client resources., • Conduct analysis and provide recommendations to clients traveling to high-risk areas through formal written reports., • Provide initial and ongoing emergency response support in accordance with established policies and procedures., • Execute routine and emergency communications, as directed., • Liaison between clients, other departments, and company leadership during an emergency., • Research, analyze and deliver detailed assessments and advisories and prepare periodic reporting as required., • Provide timely updates to the management team regarding incidents of concern., • Respond to incidents and critical situations in a calm, problem solving manner., • Encourage teamwork., • Participate in special projects and initiatives, as needed. Qualified candidates will be required to provide a writing sample and complete a proofreading assessment. A non-disclosure agreement and background check will also be required for employment. The annual salary range is £41,600 – 45,760.

Your Career Launchpad: Entry-Level Sales Representative - Immediate Start – Central London Are you looking to start a new and rewarding career? Want to launch a rewarding career with real progression and travel opportunities? Please Read Before Applying: Our client can only accept candidates who are eligible to work in the UK on a full time basis, all year round without restrictions. Our client is looking for excited, proactive, and results-focused people to join their busy company based in the heart of London, due to huge client demand. They are currently expanding and have openings in their vibrant and energetic event campaigns team within the direct sales and customer service sector. If you’re a passionate, goal-oriented individual, with strong communication skills and full-time equivalent availability, and ready to excel and transform your career in 2026, we want to hear from you! Candidate Requirements; • Exceptional at engaging with customers, • Enjoy working in a collaborative and supportive team, • Able to deliver high standards of customer service, • Strong English speaking and writing skills are essential to communicate effectively with customers and our client due to the nature of the role, • Full time equivalent availability (5 full days per week between Mon-Sat) – ready to start immediately and secure your new career. The benefits of this entry level sales role; • A lively social calendar, including networking events, award ceremonies and casual optional Friday socials, • Opportunities to travel both nationally and internationally, • Brand awareness fee plus an uncapped commission structure, as well as ongoing incentives – your income potential is unlimited for your fresh start., • Comprehensive coaching program and product knowledge will be provided, including skill base support Even though no experience is needed for this self-employed role, people with the following experience tend to flourish: Sales Representative, Bar Managers, Retail Assistants, Hospitality Assistant, Promotional Staff, Waiting Staff, Warehouse Operative, Marketing Assistant, Front of House, Customer Service Advisor, however all possessing high levels of Customer Service and excellent work ethic are welcome to apply. Send a CV or contact number and they will contact you ASAP. A recruiter will be in contact within the next 72 hours so please look out for their call. Our client welcomes those who have recently completed/graduated (School/College/University) looking for full time equivalent career opportunities, 5 days per week (Between Mon-Sat). APPLY NOW FOR THIS IMMEDIATE START OPPORTUNITY Roles are based in central London and candidates will be required to commute here. *Please note that by applying to this advert, you acknowledge our privacy policy applies and give consent for Blackwater Recruitment to share the data you provide with our client so that they may contact you regarding the role or any other role they deem you suitable for. For more information, please see our website before applying.

London (Hoxton, 5 days in-office) | £55-75K + Equity | Start: March/April 2026 About Letty: Letty will be the last-ever real estate agent: a series of fully automated, agentic-AI-driven end-to-end real estate employees to radically transform how homes are rented and sold around the world. We've raised over $5.5M USD from top-tier VCs, backed by Entrepreneurs First, and are live in agencies across the UK with early US traction. If you want to be in the driver's seat rebuilding how our entire society lives - this is your chance. Opportunities like these don't come often. The once-in-a-lifetime challenge: Property still runs on scribbles, spreadsheets, and "sorry, we missed your call." Think about the last time you rented or bought a house. The real estate agent and property manager were likely a painful experience. At Letty we're replacing the entire real estate stack with a series of domain-specialist AI workers that negotiate rents, book viewings, dispatch tradespeople, and reconcile ledgers - while we sleep. Letty is solving an expensive, fragmented, compliance-heavy, labour-intensive, and deeply inefficient market. Stitching together compliance, payments, maintenance, and tenant experience into a seamless platform that landlords and tenants actually love. As our Founder's Associate you will… Be the operational backbone of the company, working directly alongside the CEO. You'll get a front-row seat of building a venture-backed company from the ground up: processes, systems, hiring pipelines, investor comms, finance ops, legal - all of it. You won't be inheriting someone else's systems you'll have the creative freedom be creating them from ground up. This isn't a sexy 'strategy role'. This is a high-ownership, high-autonomy role for someone who thrives in getting their hands dirty, taking chaos and turns it into order. What You'll Own Operations & company building • Build the operational infrastructure of a scaling startup from scratch; tools, processes, documentation, reporting, • Company operations: contracts, insurance, filings, onboarding documentation, vendor management, • Run the end-to-end recruitment process for engineering and commercial roles, sourcing, screening, external provider management, offer coordination, • Build the hiring infrastructure: interview processes, candidate pipelines, • Coordinate payroll, accounting with exterior providers, • Liaise with lawyers on commercial contracts, employment law, IP, and corporate matters, • Be a thought partner on strategic decisions: market entry, pricing, partnerships, hiring priorities, • Research, analyse, and build the materials that support key business decisions, • Represent the company externally in emails, calls, and meetings, conferences when needed, • Prepare board materials and keep our investor relationships warm between rounds No two days will look the same. Monday you might be drafting an investor update. Tuesday you're screening engineering candidates. Wednesday you're setting up payroll. Thursday you're prepping a demo for a customer managing 80,000 properties. Friday you're building the onboarding process That's the job. If getting a front row execution seat on company building excites you, read on. What We're Looking For: • Ex-founder, Chief of Staff, Founder's Associate, or early startup ops experience. You've either built something yourself or been the right hand to someone who has. You know what "do whatever it takes" actually means., • Obsessively organised with an ability to manage 20 things at once without dropping any. You follow up without being asked. You see the gap before anyone else does and you fill it., • Low ego, high standards. No task is beneath you, no problem is someone else's., • Strong written communication. You'll represent the company to investors, customers, and partners. Your writing is clear, concise, and doesn't need editing., • Comfortable with ambiguity. You'll figure things out, not wait for instructions. If something needs doing, you pick it up., • Relentlessly resourceful. You Claude it, ask around, try three approaches, and come back with an answer, not a question., • Based in London with ability to work in-person in Hoxton 5 days a week. This role doesn't work remote. Nice to Have • Consulting, investment banking, or prior startup experience where you got your hands dirty and into the weeds, not just making slides, • Experience hiring technical talent (engineers, ML/AI roles), • Interest in real estate and AI, • You've worked in a high-growth environment where things moved fast and broke often, and you loved it Who This is NOT For • Someone who needs to be told what to do every day, • Someone who can't handle ambiguity, context-switching, and moving fast with incomplete information, • Someone who thinks ops work is "beneath" them, • You want high level ‘strategy’ work and not ‘execution’ work, • You want a boring 9-5 job What You Get • Direct mentorship from the CEO - you'll see every aspect of building a venture-backed company: fundraising, product, sales, hiring, strategy., • Meaningful equity in a company with strong early traction, $5.5M in funding, and a massive global market., • A role that grows with the company - as we scale, you'll grow into Head of Ops, Chief of Staff, Head of Growth, or whatever direction fits your ambition and talent., • A front-row seat to building something that changes how millions of people rent, buy, and live around the world., • A team that's obsessed with winning - small, fast, and building something that matters.

This is a brilliant entry-level role for someone who loves writing, content and ideas, and wants to build a career in marketing. You'll help turn long-form content - podcasts, talks and interviews with senior creative leaders - into clear, engaging and shareable marketing content.

A genuine interest in marketing and/or social media. Wanting to become a marketing generalist rather than specialising too early. This is a brilliant entry-level role for someone who loves writing, content and ideas, and wants to build a career in marketing.

A dynamic marketing firm in London is seeking an entry-level content marketer passionate about writing and creativity. You will transform various long-form contents into engaging marketing materials, working closely with a small team. Ideal candidates must have excellent written English, a curiosity