Mid Senior Python Developer jobs in London – Page 4 | RoboApply Jobs

Mid Senior Python Developer jobs in London· Page 4

Results 61–80 of 3,373 for “Mid Senior Python Developer” in London.

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Minderacraft logo
Full-time|On-site|London, England, United Kingdom

We are seeking a talented and experienced Senior Java Developer to join our dynamic team at Minderacraft. As a key member of our development team, you will be responsible for designing, developing, and implementing high-quality Java applications that meet the needs of our clients. You will work closely with cross-functional teams to deliver innovative soluti…

Apr 8, 2026
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Fasanara Digital logo
Full-time|On-site|London, England, United Kingdom

Fasanara Digital, the cryptocurrency division of Fasanara Capital, has been at the forefront of digital asset investment for the past seven years. As a specialized alternative asset manager with over 14 years of experience, we adopt a rigorous quantitative approach to investing in crypto assets, aiming for exceptional risk-adjusted returns. Our diverse and sophisticated investment strategies leverage market inefficiencies, encompassing various techniques from market making to cross-exchange arbitrage.Our CultureAt Fasanara, we champion a meritocratic environment where individuals are recognized for their contributions and excellence. Our collaborative and entrepreneurial atmosphere is free from the constraints of bureaucracy, fostering trust and teamwork. We set high ambitions, work diligently, and uphold the highest standards of excellence, building our firm around exceptional talent.Position OverviewWe are looking for a Mid-Frequency Quantitative Researcher to spearhead the design, development, and deployment of systematic trading strategies within the digital asset market. This role will also support portfolio management for our multi-strategy book. You will be responsible for the entire research lifecycle, from idea generation and signal construction to implementation, monitoring, and continuous optimization, collaborating closely with execution and infrastructure teams.ResponsibilitiesConduct thorough research to develop and validate high-quality quantitative trading signals for the cryptocurrency markets.Lead the complete strategy development lifecycle, from hypothesis generation through to live deployment.Monitor live trading performance, assess risk exposures, and ensure strategy robustness.Continuously improve and refine existing models based on performance metrics and market dynamics.Create dashboards and analytics to facilitate monitoring and analysis of the Mid-Frequency strategy portfolio.Maintain clear documentation of research methodologies, findings, and enhancements.Effectively communicate insights, risks, and updates on strategies to internal stakeholders.

Feb 16, 2026
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g-mass logo
Full-time|£60K/yr - £120K/yr|Hybrid|London, England, United Kingdom

The legal sector is facing unprecedented challenges as teams manage an ever-increasing workload involving contract reviews, internal inquiries, and urgent business demands.As the UK's premier legal AI firm, g-mass is revolutionizing the operations of in-house legal teams. Our platform serves as a sophisticated hub for legal workflows, enhancing intake processes, drafting, research, redlining, and day-to-day Q&A, allowing teams to operate with enhanced clarity and efficiency. Backed by Index Ventures, our growth is driven by a team of experts at the convergence of law and advanced AI, with rapid expansions in London, New York, and other key global locations.We are on the lookout for a dynamic Mid-Market Account Executive to drive the adoption of our innovative solutions across UK and Ireland legal teams. This high-impact, hands-on role requires you to manage the entire sales pipeline from lead generation to closing deals. You will be responsible for prospecting, conducting discovery calls, providing persuasive product demonstrations, and securing new business, all while being supported by a robust Sales Development Representative (SDR) team and a marketing strategy focused on growth.If you excel in fast-paced environments, have a knack for product-led sales, and enjoy building momentum, you will find your place here.This is a hybrid role, requiring you to be in our Edinburgh office at least three days a week.

Apr 10, 2026
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Zaizi logo
Full-time|On-site|London, England, United Kingdom

At Zaizi, we are on the lookout for a highly skilled Senior Backend Software Developer who possesses exceptional technical expertise and a genuine enthusiasm for enhancing user experience and outcomes. In this role, you will take ownership of your deliverables while also collaborating with a multidisciplinary team to foster innovation and share creative ideas.Our work environment is inclusive, modern, friendly, and democratic, where we value bright, positive-thinking individuals with a proactive mindset. If you thrive on challenges and aspire to excel in your field, you will find a perfect fit with our team!

Oct 28, 2025
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5iveTech Limited logo
Contract|On-site|Central London

Senior Ruby on Rails Developer (Contract)5iveTech Recruitment is seeking an accomplished Senior Ruby on Rails Developer to join a rapidly expanding tech company based in Central London.We are in search of a highly skilled Ruby on Rails Engineer proficient in Test-Driven Development (TDD) and Pair Programming, ready to thrive in a collaborative and innovative environment.If you are a Contract Senior Ruby on Rails Engineer who enjoys contributing to diverse projects in a solution-focused setting, we invite you to send your CV to Sam Wellalage at 5iveTech Recruitment.

Nov 20, 2019
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MicroStrategy Incorporated logo
Full-time|On-site|London

Join our dynamic team at MicroStrategy as a Senior Business Development Representative. In this pivotal role, you will spearhead efforts to identify and engage prospective clients, showcasing our innovative analytics solutions. Your strategic approach will help drive growth and expand our market presence.As a vital member of our sales department, you will collaborate closely with cross-functional teams to tailor our offerings to meet client needs. Your expertise in business development will be crucial in building long-lasting relationships and ensuring client satisfaction.

Mar 25, 2026
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dev2 logo
Full-time|On-site|London

We are seeking a seasoned Senior Java Developer/Architect to join our dynamic team at dev2 in London. In this pivotal role, you will leverage your extensive experience in Java development and architectural design to lead innovative projects and drive technical excellence.The ideal candidate will possess a strong background in software engineering principles and practices, with a proven track record of designing scalable and robust systems. You will collaborate closely with cross-functional teams to define technical requirements and implement best practices in software development.

Dec 10, 2023
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Checkout.com logo
Full-time|On-site|London

About Checkout.com Checkout.com powers digital payments for some of the world’s leading brands, including eBay, ASOS, Klarna, Uber Eats, and Sony. The company handles billions of transactions each year, supporting businesses across the globe with a reliable payment platform that operates behind the scenes. Headquartered in London and operating from 19 offices on six continents, Checkout.com has built a reputation for seamless money movement and a commitment to constant improvement. The team values performance and growth, offering a chance to shape a career in the evolving fintech sector. Role Overview: Senior Business Development Lead The Senior Business Development Lead will join the Consumer team, which focuses on delivering standout payment experiences through the Connect suite, including flagship products like Flow and Remember Me. This position centers on driving the adoption of Remember Me and collaborating with global merchants to develop new financial product offerings. This is a highly collaborative role, working closely with Global Commercial and Sales teams. The position calls for expertise in consumer products and a proactive approach to uncovering new opportunities within Checkout.com’s merchant network and beyond. What You Will Do Grow Consumer Adoption: Develop and execute a commercial strategy to rapidly expand the user base for Remember Me. Partner with Sales: Work alongside Sales and Commercial Account Management to identify high-potential merchants. Support teams in presenting and integrating Flow, Remember Me, and future product innovations. Advise Merchant Partners: Act as a strategic advisor to key merchants, gathering market insights that help shape the product roadmap. Coordinate with Product and Engineering: Work closely with Product and Engineering teams to ensure offerings reflect real market needs. Location This role is based in London.

Apr 16, 2026
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International Business Solutions Consult logo
MuleSoft Developer Opportunity in London

International Business Solutions Consult

Contract|On-site|London

Join a dynamic team as a MuleSoft Developer in the heart of Central London! Our client, a leading player in international business solutions, is embarking on a major Digital Transformation project and requires talented MuleSoft Developers to contribute their expertise.

Dec 21, 2018
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XYZ Reality logo
Full-time|On-site|London Office

About XYZ RealityXYZ Reality is an innovative, award-winning Series-A startup on the cusp of our next funding round. Our goal is to enhance our platform by improving its features, performance, and scalability, all while transforming the construction industry.As a dynamic multi-disciplinary organization, we operate across various fields such as cloud development, data governance, data processing pipelines, electronics, embedded software/hardware, mechanical design/manufacturing, AI & computer vision, and data science, all contributing to the efficacy of our Building Information Modeling (BIM) Platform.To help propel our mission, we are in search of a Senior Data Engineer who possesses extensive experience in data modeling, database management, and data pipeline development. The ideal candidate will play a pivotal role in maintaining our existing tech stack and developing new features with an emphasis on performance and scalability. Collaboration with our API/backend development and data pipeline teams will be crucial to create robust and efficient solutions.

Mar 18, 2026
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blink logo
Full-time|On-site|London

As a Senior Backend Developer specializing in Ruby on Rails, you will play a pivotal role in architecting, developing, and validating server-side logic for web applications. Your expertise will be essential in crafting efficient, reusable, and robust Ruby code, while optimizing systems for peak performance and scalability. You will work collaboratively within cross-functional teams, integrating front-end components into our applications. Your responsibilities will also include conducting code reviews, mentoring junior developers, and converting business requirements into effective technical solutions.The ideal candidate will possess a Bachelor's or Master's degree in a related discipline, along with a minimum of eight years of hands-on experience in Ruby on Rails development. You should be well-versed in various software testing methodologies, demonstrate strong analytical skills, and have excellent proficiency in English.

Oct 13, 2025
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Kernel logo
Full-time|On-site|London

About Kernel:Kernel is revolutionizing the enterprise AI landscape by ensuring data accuracy. Many CRMs suffer from duplicates, broken hierarchies, and outdated information, which can hinder effective forecasting, territory planning, and successful AI deployments. With a robust $14M Series A funding from leading VCs and industry experts from Plaid, OpenAI, Slack, and more, we are addressing these challenges with our innovative Agentic Company Data — a cutting-edge, AI-native alternative to traditional data providers like Dun & Bradstreet.Renowned RevOps teams at Gong, Navan, Mistral, AlphaSense, and Zip rely on Kernel to eliminate duplicates, rectify hierarchies, and ensure the data accuracy necessary for confident operations. What a RevOps expert can achieve for a single record, Kernel can accomplish safely at scale for an entire CRM system, empowering teams with the solid data foundation essential for enterprise decision-making and AI integration.The Role:We are on the lookout for our inaugural Account Executives to join our dynamic team.Our initial AEs have rapidly exceeded their quotas, confirming the efficacy of our sales strategy.You will inherit a portfolio filled with exceptional opportunities as we currently have more meetings booked than we can accommodate.With our ambitious targets set for millions in additional ARR this year, your contribution will be pivotal in achieving this goal.Essential Information:This role promises to be thrilling yet demanding, as Kernel is experiencing rapid growth. Expect long hours, particularly since many of our clients are based on the West Coast, leading to potential late meetings.Working in our London office a minimum of 4 days a week is required, with most employees opting for 5 days.Key Responsibilities:You will oversee intricate sales cycles with leading mid-market and emerging enterprise clients (ranging from ~500 to 5,000 employees), managing deals from mid-five to six-figure amounts.While the SDR team will primarily generate opportunities for you, additional pipeline sourcing is anticipated.You will collaborate with the broader team on go-to-market strategies as we broaden our Ideal Customer Profile (ICP) and explore new verticals.As you build our sales processes, your insights will be invaluable in shaping them.You will become the foremost expert in articulating and presenting our product.

Mar 10, 2026
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the-boundary logo
Full-time|£41.4K/yr - £44K/yr|On-site|London, England, United Kingdom

Join our dynamic team as a Mid-Level Architectural Visualization Artist, where you'll be responsible for crafting stunning photorealistic digital content that showcases proposed buildings, landscapes, interiors, or products for our prestigious clients, which primarily include architects and real estate developers. This role is studio-based, allowing for collaboration and creativity in a vibrant environment.In this position, you will: Plan and create captivating visualizations using client-supplied materials. Work closely with fellow artists to develop and refine content. Utilize rendering engines to achieve magazine-quality, photorealistic results. Incorporate feedback and adapt content accordingly. Create additional assets such as furniture and props. Take charge of your personal learning and development, documenting your progress. Prepare educational materials for our engaging Friday showcase sessions. Provide constructive feedback to your peers. Contribute to and manage an extensive library of assets. Establish effective lighting setups and compositions. Offer insights and design expertise when required. Lead smaller projects with guidance. Engage with clients and design teams under supervision. Multi-task on various deliverables across different projects.

Oct 10, 2025
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Sitemate logo
Full-time|On-site|London Office

Join Sitemate as a Mid-Market Customer Success Manager and play a pivotal role in fostering customer satisfaction and loyalty. You will work closely with our mid-market clients, ensuring they derive maximum value from our products and services. Your expertise will guide customers through onboarding, training, and support, ultimately driving their success and enhancing their experience with Sitemate.

Mar 30, 2026
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MicroStrategy Incorporated logo
Full-time|On-site|London

Join MicroStrategy as a Senior Business Development Representative and play a pivotal role in driving our sales strategy and expanding our market reach. In this position, you will leverage your expertise to identify new business opportunities, build strong relationships with potential clients, and contribute to our overall growth objectives.

Mar 24, 2026
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Verifone logo
Full-time|Hybrid|London, England, United Kingdom

Why Choose Verifone?With over 40 years of excellence in the electronic payment technology sector, Verifone has emerged as a leader in providing innovative payment solutions globally. We proudly collaborate with top retailers, banks, and partners to enhance payment processing systems worldwide.Our work environment is diverse, dynamic, and fast-paced, offering employees ample opportunities for professional growth. At Verifone, we strive for excellence in our products and services, focusing relentlessly on customer satisfaction. Join us in our commitment to innovation, as we pave the way for secure payment solutions across various markets.We believe in the power of collaboration and are currently offering a hybrid work schedule while continually assessing our attendance policy to optimize employee engagement.Role OverviewWe are looking for aSenior Software Developer in London to design, develop, and maintain backend services for our global payment gateway. Your expertise will contribute to building high-performance, secure microservices using Java and Spring Boot. You will collaborate with various teams to ensure our systems scale reliably across regions and partners.This role plays a crucial part in enhancing the reliability, security, and performance of high-volume financial transactions worldwide, making your engineering decisions vital to our success.Ideal candidates are senior backend developers passionate about complex distributed systems, modern Java platforms, and cloud-native architectures.

Feb 24, 2026
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Margo Group logo
Full-time|On-site|London

JOIN MARGO AS A MID-LEVEL BUSINESS DEVELOPERAs a prominent IT consulting firm with a strong presence in France and beyond, Margo Group is poised for significant expansion in 2024. We are eager to enhance our sales teams to support our ambitious growth objectives. In this pivotal role, you will be instrumental in driving our evolution as a Mid-Level Business Developer, managing your own portfolio of clients.YOUR ROLE AS A MID-LEVEL BUSINESS DEVELOPERYou will oversee several key accounts, some of which are already established. Business Development: Identify and capitalize on business opportunities with your accounts while aligning consultants to meet client needs. Expand your client portfolio and foster strong relationships, positioning yourself as the primary contact for your clients to effectively address their IT challenges through your extensive market knowledge. Consultant Recruitment and Support: Engage in project follow-up meetings and facilitate the onboarding of consultants for their assignments.At Margo, you have the opportunity to shape your career by selecting from several growth tracks: Business Development Leadership: Cultivate business growth through mentorship and management. Account Acquisition: Expand the business by leveraging Margo’s expertise and technology partnerships. Solution Specialist: Drive business growth by acquiring new clients for the group. YOUR CAREER JOURNEY AT MARGO:You will receive support from management in your role and in achieving your goals. You will strategize and implement plans to strengthen and grow Margo’s presence with key accounts. This position offers various career advancement opportunities.

Sep 8, 2022
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Intropic logo
Full-time|On-site|London UK

We are seeking a driven and innovative Quantitative Developer who is enthusiastic about leveraging financial data to create impactful products for traders and researchers. At Intropic, you'll become an integral part of a dynamic fintech startup, where engineers tackle challenging, open-ended problems spanning research, data, and product development — we pride ourselves on our proactive approach, rather than just responding to JIRA tickets.In a typical week, you will engage in a variety of tasks including Python and SQL development, implementing infrastructure changes, enhancing features of financial data products, collaborating on strategic planning with team leads, and attending client meetings to communicate your work and gather valuable feedback. We are looking for someone who enjoys delivering production-grade code, thrives in uncertain environments, works closely with analysts and product teams, and takes pride in maintaining clean, well-tested systems that support actual trading and research workflows.At Intropic, we prioritize hiring the right individual over just a polished CV. If you are passionate about taking full ownership of projects and want to influence both product and research trajectories, we invite you to apply. This is a full-time position expected to commence in the first half of 2026.

Jan 23, 2026
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AvePoint logo
Full-time|On-site|London, United Kingdom

About the Role AvePoint is hiring a Mid-Market Account Executive based in London. This position focuses on growing sales and expanding relationships with customers in the mid-market segment. What You'll Do Develop and manage relationships with mid-market clients Identify customer needs and recommend solutions that fit their business goals Drive new business and support client retention efforts Work closely with internal teams to ensure customer satisfaction Who We're Looking For Experience in sales, ideally within the mid-market sector Strong communication and relationship-building skills Ability to understand client needs and tailor solutions accordingly Motivated to achieve targets and contribute to team success This role offers the chance to make a clear impact in a growing company and work with a variety of clients across the mid-market space.

Apr 20, 2026
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Modulr Finance logo
Full-time|On-site|London

About Modulr Finance Modulr Finance helps businesses across the UK and Europe manage payments through embedded solutions. From SMEs to large enterprises, clients use Modulr’s schemes, accounts, and card products to streamline their payment processes. Learn more on the Modulr website and careers page. Role Overview: Mid-Market Account Executive (London) As a Mid-Market Account Executive, join the commercial team in London and help drive Modulr’s growth through 2026. This role focuses on presenting payment solutions to corporate clients, managing the full sales cycle, and building relationships with key accounts. What You Will Do Own the sales process from prospecting through closing deals with corporate clients. Build and maintain a healthy pipeline across multiple industries. Run discovery sessions to understand customer needs and show how Modulr’s products solve payment challenges. Deliver tailored presentations to strategic prospects. Forecast sales opportunities accurately and meet quarterly booking targets. Develop and maintain strong relationships with senior stakeholders in high-value accounts. Represent Modulr at industry events and forums to boost brand visibility and generate leads. Work closely with teams across SDR, Solution Consulting, Revenue Operations, Marketing, Onboarding, Compliance, and Legal to convert prospects into customers. What We Look For Curiosity about the impact of AI on business solutions. Strong commercial sense and drive to succeed in a high-growth setting. Consultative selling skills and experience working with senior decision makers. Comfort navigating complex purchasing processes. Self-motivation and ownership of results. 3-5 years of experience selling complex solutions. Track record of meeting quotas and handling multi-stakeholder deals. Solid pipeline management and forecasting abilities. Familiarity with CRM platforms and modern sales tools.

Apr 15, 2026

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