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Experience Level
Experience
Qualifications
Required Qualifications:6+ years of professional software development experience. Strong proficiency in high-performance Python, with a thorough understanding of its ecosystems and best practices. Prior experience with at least one JVM-based language such as Java, Kotlin, or Scala is an advantageous addition. Deep comprehension of distributed systems principles and experience with distributed architectures. Familiarity with containerization technologies (e.g., Docker, Kubernetes). Experience working in a Linux environment and utilizing version control systems. Hands-on experience with CI/CD pipelines and automation tools.
About the job
We are in search of a skilled and enthusiastic Software Developer to become an integral part of our expanding team. In this pivotal role, you will be instrumental in the design, development, and maintenance of Squarepoint's internal frameworks, services, and platforms that drive our business operations. This is a fantastic opportunity to work with advanced technologies, directly influencing the efficiency and productivity of both our investment and technology teams at Squarepoint.
Design, develop, and maintain high-quality, scalable, and high-performance software solutions.
Contribute to the creation of company-wide productivity tools, frameworks, and platforms that enhance operations across the organization.
Collaborate with fellow developers and stakeholders to collect requirements, design solutions, and implement features.
Write clean, well-documented, and testable Python code.
Engage in code reviews and help elevate code quality and development practices.
Diagnose and resolve technical issues promptly and effectively.
Stay informed about the latest advancements in Python technologies and industry best practices.
About Squarepoint Capital
Squarepoint Capital is a leading investment management firm that combines quantitative rigor with a deep understanding of the financial markets. We leverage cutting-edge technology and innovative strategies to deliver superior returns for our clients. At Squarepoint, we are committed to fostering a dynamic and collaborative workplace where talent thrives.
Role Overview Marshmallow is seeking a Business Development Manager in London to help shape and execute our growth plans. This role focuses on finding new business opportunities and building connections with potential clients. Collaboration with marketing and sales teams is central to developing strategies that support our expansion. What You Will Do Identif…
Join Zaizi as a Senior Backend Software Developer, where you'll leverage your robust technical expertise while enhancing user experiences and outcomes. You will be a dependable contributor to your projects and an innovative thinker within our collaborative multidisciplinary team.At Zaizi, we foster an inclusive, modern, and friendly work culture that values fresh ideas and a proactive mindset. If you are passionate about pushing your limits and excelling in your role, you'll thrive in our environment!
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.
About UsAt Sierra, we are on a mission to revolutionize the way businesses engage with their customers through advanced AI technology. Our innovative platform empowers organizations to create more authentic and personalized customer experiences. While our headquarters are in San Francisco, we are expanding our footprint with vibrant offices in key cities such as Atlanta, New York, London, France, Singapore, and Japan.Our company culture is deeply rooted in our core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our everyday actions and are the bedrock of our collaborative environment.Founded by industry leaders Bret Taylor and Clay Bavor, our team is composed of experts from top tech companies. Bret previously served as co-CEO of Salesforce and CTO of Facebook, while Clay led significant initiatives at Google, including Google Lens and Project Starline.Your RoleIn your role as a Strategist in the Agent Development team at Sierra, you will collaborate closely with our Agent Product Managers and Engineers to design, develop, and implement AI agents that manage thousands of customer interactions daily. Your expertise in product strategy, conversational design, and customer insights will be critical in delivering top-tier, high-quality AI agents.Serve as a trusted advisor to clients, guiding them in their AI strategy formulation.Design, build, and enhance conversational AI agents, gaining firsthand experience in the development process.Lead the execution and timely delivery of multiple high-impact agent development projects.Facilitate collaboration between technical and non-technical stakeholders throughout the agent development lifecycle.Maintain clear and effective communication across all parties involved, fostering solid relationships.Provide data-driven strategic insights to influence both customer and internal team decision-making.QualificationsExceptional Communication Skills: Proficiency in verbal and written communication in both English and German, with the ability to engage with diverse audiences.Experience in AI and Product Development: Demonstrated experience in AI technologies, product management, or conversational design.Strong Analytical Skills: Ability to gather and interpret data to inform decision-making processes.Team Collaboration: Proven track record of working effectively in cross-functional teams.Project Management Skills: Ability to manage multiple projects simultaneously while meeting deadlines.
Join Zaizi as a Frontend Developer and be a part of a dynamic team committed to delivering exceptional digital solutions. In this role, you will leverage your expertise in frontend technologies to design and develop user-friendly applications that enhance the user experience.
Join our dynamic team as a Sybase/DB2 Developer specializing in Investment Banking. This is an exciting opportunity for a skilled developer to work on innovative financial solutions that drive our business forward. You will be responsible for designing, developing, and maintaining database systems while collaborating with cross-functional teams to optimize performance and ensure data integrity.
Join our dynamic team at RedIron Technologies as a Software Developer, where you'll collaborate with talented professionals to drive critical projects and develop innovative modules. This role demands expertise in specialized technical domains as you balance your contributions between core product enhancements and tailored customer implementations. Our suite of products leverages the powerful Microsoft Platform, primarily focused on the .NET framework and C#. Additionally, we engage with Java and Linux for select initiatives. Our engineering team adopts Agile methodologies, ensuring effective management and delivery of our solutions.
Join our dynamic team at Ratio Recruitment Ltd as a Front End Developer in London! We are seeking a talented individual who is passionate about creating engaging and user-friendly web interfaces. In this role, you will collaborate with designers and back-end developers to deliver high-quality web applications that enhance user experience.
Full-time|£75K/yr - £140K/yr|Hybrid|London, England, United Kingdom
fuku develops AI-powered insurance products tailored for tech startups. With $108 million in backing, fuku operates as a licensed carrier and is expanding throughout the UK and EU. The platform is built on Django, integrates Stripe for payments, and features advanced AI-driven underwriting. Role overview This Software Developer position is based in London. The role calls for engineers who can take ideas from concept to launch, often working independently and moving quickly. Candidates with a track record of shipping live projects or side applications with real users will stand out. What we value Drive and energy to thrive in a startup environment Experience independently building and deploying real-world products Ability to ship features or fixes in hours or days, not weeks Comfort working across the stack and solving varied problems Strong opinions, paired with openness to feedback and new ideas Low-ego, outcome-focused approach How we work Prioritize fast decisions over perfection Deploy new products and improvements frequently Ship and iterate, avoiding lengthy review cycles Maintain high intensity during launches and steady output between releases Make decisions transparently, not behind closed doors Encourage internal competition to raise the bar This is a build-focused role where sustained contribution is expected. Behaviors that lead to quick removal Office politics, avoiding work, or gossip Taking feedback personally rather than constructively Adding unnecessary complexity instead of simplifying Missing deadlines after making commitments How to apply Send links to your GitHub, personal website, or shipped projects CVs are not accepted for this role Email applications to: sergio@fuku.com If you cannot show evidence of shipped work, this role is likely not a fit Location and compensation London-based, with on-site or hybrid options Base salary: £75,000–£140,000, plus equity Compensation reflects ability to deliver, not seniority or title
About Our Clientavomind is a prominent software development company based in New York City, employing over 4,000 talented engineers across more than 20 global offices. With nearly two decades of experience, they have collaborated with a diverse range of VC-backed startups and esteemed enterprises, including Classpass, Freshly, Bevi, Mount Sinai, GAIN Capital, Yale School of Medicine, and Merkle.Specializing in assembling dedicated engineering teams, they focus on delivering exceptional digital products, ranging from custom software solutions and web development to innovative blockchain and AR/VR applications. Their impressive growth has earned them recognition from prestigious organizations such as Inc. 5000, Deloitte, IAOP, Stevie, and the Financial Times, highlighting them as one of the fastest-growing tech companies in the U.S.About the RoleAs part of their expansion efforts in London, avomind is seeking a dynamic Sales Development Representative. This pivotal role will involve driving the growth of their UK business by proactively identifying and cultivating new business opportunities through strategic outbound outreach. You will be responsible for building and nurturing a strong pipeline of prospective clients, engaging with founders, CTOs, engineering leaders, and other key decision-makers across a wide array of organizations, from cutting-edge startups to established Fortune 500 companies.Key ResponsibilitiesInitiate contact with prospects through email, LinkedIn, phone, and other channels to arrange meetings and create opportunities.Participate in leading industry events and tech meetups to uncover new sales and networking prospects.Conduct research to qualify leads by understanding their needs, challenges, and growth strategies, ensuring alignment with avomind's services and ideal client profile.Innovate and develop new strategies for lead generation, discovering creative methods to engage prospects and identify new business avenues.Maintain accurate records of lead interactions and activities using the company CRM system.Achieve or surpass weekly and monthly KPIs, including lead generation, meeting bookings, and opportunity creation.RequirementsA minimum of 2 years of B2B experience in a Sales Development Representative, business development, or sales role.Familiarity with software development technologies and processes.Experience in creating and executing innovative outbound lead generation campaigns.A proven history of success in cold calling and email outreach.Consultative and solution-oriented sales experience.Exceptional verbal and written communication skills, with the ability to build rapport quickly.Benefits£100/month wellness allowance (for gym, fitness, or mental health support).Comprehensive private health insurance.4% employer pension contribution.26 days of annual leave plus a paid winter break.Statutory parental leave.WeWork membership for global workspace access.
About UsAt Sierra, we are revolutionizing the way businesses engage with customers through cutting-edge AI technology. With our headquarters in San Francisco and expanding offices in major cities including Atlanta, New York, London, France, Singapore, and Japan, we are committed to enhancing customer experiences globally.Our company culture is built upon five core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our daily operations and decision-making processes, ensuring we deliver exceptional results.Founded by industry leaders Bret Taylor and Clay Bavor, our team is at the forefront of innovation. Bret serves as the Board Chair of OpenAI and has an impressive background as co-CEO of Salesforce and CTO of Facebook. Clay brings 18 years of experience from Google, leading numerous groundbreaking projects.Your RoleAs a pivotal member of our Agent Development team, you will collaborate closely with Agent Product Managers and Engineers to design and deploy AI agents that manage thousands of customer interactions daily. Your expertise in product strategy, conversational design, and customer insights will be crucial in delivering high-quality AI solutions.Serve as a trusted advisor to clients, guiding their AI implementation strategies.Design, build, and enhance conversational AI agents, gaining valuable insights into product evolution.Lead the execution and delivery of complex and high-profile agent development initiatives.Facilitate collaboration among technical and non-technical stakeholders throughout the entire agent development lifecycle.Promote effective communication among all stakeholders while fostering strong professional relationships.Provide data-driven strategic insights to both clients and internal teams to inform decision-making.Your QualificationsExceptional Communication Skills: Proficient in both verbal and written communication, with the ability to convey complex ideas clearly and persuasively.Analytical Mindset: Strong analytical skills with the ability to interpret data and translate it into actionable insights.Project Management Experience: Proven ability to manage multiple high-stakes projects simultaneously, ensuring timely delivery and stakeholder satisfaction.Background in AI or Technology: Familiarity with AI technologies and conversational design principles is highly desirable.
Contract|£700/yr - £800/yr|Hybrid|London, Greater London, United Kingdom
Location: London, HybridRole Type: 12 Month ContractRate: £700 - £800 per dayDelta Capita is on the lookout for an accomplished Senior eTrading Developer to become a vital part of our clients' Global Markets Technology division. This pivotal role is centered around the development and enhancement of low-latency components within an advanced electronic trading (eTrading) and eRisk platform, serving the needs of global FX and electronic execution operations.The team is dedicated to crafting high-performance, distributed systems that expertly manage liquidity, deliver real-time pricing, execute internal and external orders, and bolster algorithmic trading strategies. These systems are critical to the business and demand outstanding reliability, scalability, and throughput.As part of a global delivery team, you will contribute to next-generation initiatives aimed at elevating pricing quality, minimizing latency, enhancing algorithmic execution capabilities, and broadening eTrading functionality.
About ClickHouseCelebrated as one of the most groundbreaking and rapidly expanding private cloud organizations, ClickHouse has earned a spot on the prestigious 2025 Forbes Cloud 100 list. With an impressive clientele of over 3,000 and an annual recurring revenue (ARR) surging by more than 250% year-over-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s remarkable growth trajectory was recently underscored by a successful $400M Series D funding round. In just the past three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or enhanced their existing engagements. These partnerships complement our established roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize how organizations leverage data. Be a part of our exciting journey!Note: This position may be based in London, Berlin, or Amsterdam, with regular travel expected.
Join our dynamic team as a Full Stack Developer, where you'll leverage your exceptional coding abilities in C#, ASP.NET, MVC, Entity Framework, SQL Server, JavaScript, and Angular. Our expanding software company, headquartered in Surrey, is on the lookout for a passionate developer to help elevate our suite of innovative business portals, including a highly anticipated redesign of our globally recognized platform.As a key member of our close-knit development team, you will actively engage in adopting Agile methodologies, contributing across all phases of the product development life cycle. This is a remarkable opportunity to be part of a versatile team that prioritizes high-quality software craftsmanship, collaborative teamwork, and individual growth.
Join Capco, a global technology and consulting firm dedicated to the financial services industry, as a Senior .NET Developer specializing in Capital Markets. In this role, you will leverage your expertise in .NET technologies to design, develop, and implement high-performing applications that meet the demands of our clients in the capital markets sector.
Join our dynamic team at Nippon Express, where we are looking for a skilled Business Development Manager to spearhead our growth initiatives in the logistics sector. In this pivotal role, you will be responsible for identifying new business opportunities, developing strategic partnerships, and enhancing customer relationships. Your expertise will help drive our mission to provide innovative logistics solutions that exceed our clients' expectations.
Are you a dynamic individual with a passion for entrepreneurship and business growth? At intropic, we're seeking a Quantrepreneur in Business Development to join our innovative team in London. In this role, you will harness your entrepreneurial spirit to identify and pursue new business opportunities, forge strategic partnerships, and drive growth initiatives that will shape the future of our company.
Join our dynamic team at dev2 as a Senior SQL Server Developer. In this pivotal role, you will leverage your extensive expertise to design, implement, and maintain robust SQL Server solutions that drive our data management strategies. Collaborate with cross-functional teams to optimize database performance and ensure data integrity, while implementing innovative solutions to meet evolving business needs.
Join Decagon as a Sales Development Representative and be a key player in driving our business growth in London! You will engage with prospective clients, identify their needs, and provide tailored solutions. Your role will involve outreach, relationship building, and collaboration with our sales team to achieve targets.
About Marcura:Marcura stands at the forefront of maritime technology and operations, playing a pivotal role in facilitating nearly one-third of the global seaborne commodity trade. Our innovative platforms, which encompass software solutions, data intelligence, and payment processing, are integral to the digital transformation journey within the maritime sector. We are currently on the lookout for a Senior Back-End Software Engineer to join our dynamic and impactful team, contributing to the success of one of the industry's most innovative organizations.Role Overview:In the position of Senior Back-End Software Engineer, you will take charge of the architecture, design, development, and testing of scalable Compliance and RegTech solutions. Your mission will be to construct and maintain secure, high-performance applications utilizing Django REST Framework and Python (backend) to enhance counterparty onboarding, risk assessment, and regulatory screening processes.Your responsibilities will include overseeing code and tests to ensure the robustness of APIs, seamless integrations, and adherence to industry standards such as GDPR and ISO 27001. You will champion secure coding practices, implement embedded testing (shift-left), and drive automation efforts, collaborating closely with product managers, UX designers, and compliance specialists to ensure alignment between technology and business objectives. Staying abreast of industry trends, you will introduce innovative solutions in full-stack development, AI, and compliance automation.Key Responsibilities:Develop and manage APIs that facilitate onboarding, screening, and entity intelligence, ensuring optimal performance, version management, and traceability.Enhance product capabilities by integrating new data-driven features (such as search, risk scoring, relationship mapping) while maintaining system stability.Incorporate ElasticSearch for superior query performance and analytics on a large scale.Collaborate with data and other platforms/services to support risk assessment and compliance automation.Work in close partnership with product teams, UX designers, and compliance experts to ensure technical solutions align with business strategies.Adopt a shift-left testing methodology, embedding unit, integration, and end-to-end tests within the development lifecycle, minimizing dependence on external QA resources.Implement industry best practices for secure coding, data privacy (GDPR), and compliance automation, ensuring regulatory adherence.Ensure security, scalability, and maintainability of full-stack applications.Establish best practices for data modeling, ETL processes, and regulatory compliance (GDPR, ISO 27001) in data-centric applications to guarantee data integrity, consistency, and security.Stay updated on emerging technologies in full-stack development, AI, and compliance automation, proposing innovative ideas to elevate products and processes.
