Senior Software Developer at Verifone | London

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.

Role overview Verifone seeks a Senior Telecom Engineer in London to strengthen and advance its payment network infrastructure. The position centers on building secure, dependable telecom systems that form the backbone of Verifone’s payment solutions. What you will do Design, implement, and maintain telecommunications systems throughout the network Collaborate with cross-functional teams to support business objectives Deliver technical support to ensure smooth day-to-day operations Spot and address ways to improve network performance and reliability Requirements Extensive experience in telecommunications engineering Comfort with complex network infrastructure Strong ability to work collaboratively Proactive problem-solving style Dedication to high standards and operational excellence This is a London-based position.

Why Verifone For over four decades, Verifone has been at the forefront of the electronic payment technology industry, establishing itself as a leader and a trusted name in electronic payment solutions. As one of the largest providers of payment systems globally, we take pride in our innovative approach to delivering exceptional payment solutions. At Verifone, our work environment is diverse, dynamic, and fast-paced, where results matter. We work closely with leading retailers, merchants, banks, and partners to design and implement groundbreaking payment solutions worldwide. Our commitment to excellence and customer satisfaction drives our team, fostering a culture of innovation and ambition that empowers every employee to achieve both personal and professional success. About The Role We are on the lookout for a Senior Software Engineer (Node.js / TypeScript) based in London to develop and maintain backend services that support payment, checkout, and transactional workflows. This role involves close collaboration with Product, Frontend, Platform, and Infrastructure teams to create secure and scalable APIs within high-throughput environments. Your contributions will be pivotal to Verifone’s payments and checkout platform, where backend engineering plays a crucial role in facilitating secure and high-volume transactions on a global scale. You will design and manage scalable, production-critical systems that must perform reliably under real-world conditions, adapt to evolving payment methods, and meet strict security standards.

Why VerifoneVerifone has been a pioneering leader in the electronic payment technology sector for over 40 years. Recognized as one of the foremost brands in electronic payment solutions, we rank among the largest providers of payment systems globally.At Verifone, we foster a diverse and dynamic work environment where results-driven employees have ample opportunities to excel. Our collaboration with top retailers, merchants, banks, and third-party partners enables us to innovate and deliver cutting-edge payment solutions worldwide. We are committed to excellence in our products and services, with an unwavering focus on customer satisfaction. Our team of dedicated professionals is at the forefront of the payments industry, driven by experience, innovation, and a bold spirit. Whether we're developing advanced secure payment platforms or exploring new markets for electronic payments, our passion for innovation propels each employee toward personal and professional success.About The RoleWe are looking for a Principal Software Engineer based in London to provide technical leadership for our global payment gateway systems. This role involves designing and evolving core platform capabilities, guiding architectural decisions across microservices, and mentoring engineers while remaining hands-on with critical systems built using Java and Spring Boot.This position is central to shaping the technical direction of systems responsible for processing high-volume, mission-critical financial transactions globally.In this role, you will go beyond mere feature delivery. You will be instrumental in driving architectural decisions, establishing engineering standards, and influencing how teams design, build, and maintain secure, scalable backend systems. Success is characterized by technical leadership, sound judgment in complex trade-offs, and ownership of systems that must operate reliably under real-world loads and regulatory requirements.Collaboration with senior engineering, platform, product, and infrastructure teams will be crucial to ensure our systems scale effectively, remain secure, and uphold the highest standards for availability and performance.

Join Verifone’s Innovative TeamWith over 40 years of excellence in the electronic payment technology sector, Verifone stands as a leader in providing advanced payment solutions globally. Our esteemed brand is recognized as one of the largest providers of electronic payment systems worldwide.At Verifone, we cultivate a vibrant and results-driven work environment that embraces diversity and offers ample opportunities for professional growth. Our commitment to collaborating with top-tier retailers, merchants, banks, and partners is unparalleled, as we continue to innovate and deliver cutting-edge payment solutions across the globe. We prioritize excellence in our products and services, driven by our dedication to customer satisfaction. Our team of passionate professionals is at the forefront of the payments industry, continuously seeking innovative ways to enhance payment methods and expand market access.We proudly endorse an in-office work culture, recognizing the significant benefits it brings to career development and organizational success. Currently, we offer a hybrid work schedule but are continually reviewing our attendance policy.

Be a Pioneer in Technology with ZILO™At ZILO™, we are revolutionizing the landscape of technology. As a UK-based FinTech leader, we specialize in crafting innovative software solutions for global asset and wealth management, leveraging our proprietary AI technology to empower businesses across various sectors. Our vision is to digitize the future of the global asset management industry.Our team comprises seasoned professionals with extensive experience at prestigious global firms, passionate about shaping technological advancements. Each team member plays a critical role in fostering innovation and driving substantial change.Why Join Us? At ZILO™, you will immerse yourself in a vibrant and inclusive culture that nurtures creativity. You'll have the chance to work with cutting-edge technology, collaborate with skilled professionals, and engage in projects that make a tangible difference. We prioritize continuous learning, personal development, and equipping our employees with the tools necessary for success.Are you ready to help us redefine the future? Let’s connect.

Senior Software EngineerBecome a key player in our mission to revolutionize the shopping and dining experience, where innovation, impact, and growth are at the forefront of everything we pursue. Our Engineering teams tackle intricate technical challenges across a global, three-sided marketplace, constructing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to robust infrastructure and marketplace optimization, we design, build, and operate technology that fuels Deliveroo’s expansive growth.We seek a Senior Software Engineer to join our London (Hybrid - 3 days from the office) team. In this pivotal role, you will enhance code structure and architecture while leading project planning to maximize efficiency and reliability across our production systems.Familiarize yourself with our Engineering team — discover what motivates us, our work culture, and what you can anticipate.Your ResponsibilitiesHere’s what your day-to-day might encompass:Pursue Technical Excellence: Refine code structure and architecture within your team’s domain, conducting impactful code reviews to ensure quality and scalability.Steer Project Planning: Anticipate dependencies and risks, collaborating closely with Product and Design to ensure seamless delivery of complex features.Enhance Operations: Streamline the maintenance and operation of production systems, fostering visibility, health, and operational readiness.Collaborate & Influence: Cultivate relationships across engineering teams to uncover collaboration opportunities and influence the broader technical roadmap.Mentor & Recruit: Facilitate the personal development of your colleagues through technical mentorship and actively participate in engineering interviews to expand our team.Desired QualificationsOur ideal candidate will bring robust expertise in several of these areas and a willingness to grow in others:Solid Engineering Principles: A strong commitment to crafting readable, well-designed, and thoroughly tested software.Backend Proficiency: Extensive experience in developing web-based applications (we utilize Go, Ruby/Rails, Python, Scala, and Rust).Data Proficiency: Familiarity with data handling and optimization techniques.

We are seeking an experienced Senior Software Engineer to join our innovative team at AECOM in London. In this role, you will be responsible for designing, developing, and implementing software solutions that meet client needs. You will collaborate with cross-functional teams to deliver high-quality products and improve our software development processes.

Join our innovative team at Faculty as a Senior Software Engineer. In this role, you will leverage your technical expertise to design, develop, and maintain software solutions that drive our mission forward. You will collaborate with cross-functional teams to deliver high-quality products that meet the needs of our clients.The ideal candidate is passionate about technology, possesses strong problem-solving skills, and has a proven track record in software engineering. If you thrive in a fast-paced environment and want to make a significant impact, we want to hear from you!

Strideup is seeking a Senior Software Engineer to join the team in London. This role centers on developing and enhancing software products that align with business objectives and provide a high-quality user experience. Day-to-day work is hands-on and involves working closely with colleagues from various departments. Responsibilities Design and build software solutions for both new initiatives and ongoing projects Collaborate with team members from different backgrounds to deliver scalable applications Use programming expertise and software design principles to address technical challenges Take part in project planning and contribute to the successful rollout of new features Requirements Strong programming background and experience in software design Skilled at solving complex technical problems Comfortable working as part of a cross-functional team This position is located in London, England, United Kingdom.

Verifone is looking for a Senior Network Engineer to help shape and support network infrastructure for payment systems. This position focuses on designing, implementing, and maintaining secure network solutions that keep payment platforms connected and protected. Key responsibilities Design and build network solutions tailored for payment systems Maintain and improve network connectivity and security across various platforms Work closely with teams from different functional areas to support business needs Collaboration This role involves regular interaction with colleagues from multiple departments, ensuring network solutions align with broader organizational goals. Locations Ashford, England, United Kingdom London, England, United Kingdom Warszawa, Masovian Voivodeship, Poland

Overview Join Tipalti as a Senior Software Engineer and play a crucial role in developing and delivering impactful product features that enhance customer satisfaction and address significant business challenges. Collaborate closely with Product Managers, Designers, and cross-functional engineering teams to transform product visions into scalable, secure, and maintainable software solutions. This role integrates hands-on engineering with a product-focused mindset, allowing you to define requirements, engage in technical discussions, and influence user experience while owning the entire software development lifecycle. Responsibilities Engineering & Delivery Create robust, efficient, and well-tested code across the software stack. Implement new features and enhancements in alignment with product priorities. Engage in design and architecture discussions to refine technical direction. Review code with peers, uphold clean code practices, and ensure quality standards are met. Product Collaboration Partner closely with Product Managers to clarify requirements and propose solutions. Proactively raise questions, identify edge cases, and assist in refining specifications. Contribute technical insights into prioritization and product decision-making. Cross-Functional Communication Communicate effectively with designers, engineers, and stakeholders. Share knowledge and mentor team members as appropriate. Collaborate with external partners and vendors on integration work when necessary. Requirements You are: Skilled in full-stack development and enthusiastic about learning new technologies. Committed to writing clean, maintainable, secure, and thoroughly tested code. Collaborative and communicative, thriving in team environments. Curious about customer needs, adept at translating them into technical solutions. Dedicated to continuous learning and sharing insights with your team. Preferred Technical Skills Proficient in JavaScript / TypeScript, Node.js, React (or similar technologies). Experience with REST APIs or microservices. Familiarity with MongoDB. Knowledge of cloud services, particularly AWS. Why Join Tipalti? Become part of an innovative and dynamic team at Tipalti, where your contributions will directly impact the growth and success of our products and services.

About ITRSRecognized as a Great Place to Work, ITRS is a leading Enterprise SaaS provider delivering innovative solutions that ensure critical technologies operate with efficiency. Our mission is to empower organizations through comprehensive and automated IT observability solutions that protect essential applications while fostering innovation.Our esteemed clientele includes 90% of the world’s foremost investment banks, and we are supported by top-tier private equity investors, driving our rapid growth.Our headquarters is situated in Shoreditch, the vibrant tech hub of London, with additional offices across the UK and globally, from the Netherlands to Manila, New York City, and Chicago. We take pride in cultivating a diverse, friendly, and dynamic culture, emphasizing internal promotions and the development of our team members.Role OverviewITRS is seeking a Senior Java Software Developer to join our London-based Platform Team, reporting directly to the Engineering Manager. As part of a larger global Engineering Team, you will contribute to our Core Platform layer, which consists of distributed services designed to ingest, transform, and materialize observability data. This data will then be made accessible to various distributed applications focused on visualization, integration, analytics, and other domain-specific solutions. We aim to enhance our core platform team in preparation for increased customer adoption projected through 2025.This is a permanent, full-time position with a hybrid work schedule based in our London office.Key ResponsibilitiesEngage in all stages of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support.Mentor team members to foster a culture of mutual growth and learning.Approach product and client challenges with a curious mindset, striving for a thorough understanding of our solutions.Collaborate with team members to craft innovative, customer-focused solutions.Participate in team support responsibilities to ensure reliable service delivery to our clients.Champion a quality-driven culture, offering guidance and support in best practices to less experienced team members.First 30 Days Goals:Gain a comprehensive understanding of our company, team dynamics, and product offerings.Complete hands-on training with ITRS Analytics and other products within our portfolio.Follow an onboarding checklist and connect with team members across various departments.Engage in meetings, demos, and presentations alongside current team members.Review recorded sales calls to learn about our sales processes.Start taking ownership of parts of the agenda as you become more comfortable.First 60 Days Goals:Continue collaborative work with current team members to deepen understanding and contribution to the team.

Embark on an exciting journey with us as we aim to transform real estate transactions into a seamless, swift, and intelligent process. The real estate market, being the largest asset class globally, still relies heavily on outdated and manual legal procedures. Legal professionals find themselves wading through tedious documents, while clients expect quicker and more transparent due diligence. Enter Orbital Copilot, our AI-powered assistant tailored for commercial real estate law. Created in collaboration with experienced real estate lawyers, it enhances complex due diligence processes by up to 70%, all while maintaining legal-grade accuracy. With a recent infusion of $60 million in Series B funding, we are poised for rapid expansion in the UK and US markets. Leading firms like Goodwin and BCLP trust us to eliminate redundant tasks, empowering legal teams to concentrate on delivering expert legal advice, exceptional client service, and closing deals more efficiently. Joining Orbital means becoming part of a dynamic team that is reshaping the future of real estate transactions—where speed, collaboration, and the ability to make a significant impact from day one are paramount.Your RoleAs a Senior Software Engineer, you will create innovative tools that revolutionize the transfer of the world’s largest asset class. We are shifting property transactions from manual document reviews to an automated AI solution that operates with the mindset of a real estate lawyer.Your contribution will not be limited to executing builds; you will leverage your expertise to guide product development and lay the groundwork for our next phase of growth, offering you real influence over our creations.Key ResponsibilitiesDevelop and deploy production software, transforming concepts into dependable customer-facing features.Collaborate with a close-knit team of engineers to design and implement new functionalities.Utilize AI coding agents to generate, iterate, and refine high-quality production code.Engage with a technology stack that typically includes TypeScript, React, PostgreSQL, and Python, while reviewing and guiding code produced by AI agents.Contribute to technical design and architecture decisions.

About DialpadDialpad is an innovative leader in AI-driven customer communication solutions, revolutionizing the way businesses engage with their clientele. Trusted by over 50,000 organizations worldwide, including renowned names like Netflix, RE/MAX, Uber, Randstad, and Tractor Supply, Dialpad empowers companies to enhance customer relationships through real-time, AI-powered insights. Explore more at dialpad.com.Join Our TeamAt Dialpad, you will collaborate with a dynamic team dedicated to our mission of ensuring the success of our customers and their employees. Every conversation is significant, and our platform elevates each interaction with real-time insights and automation for our clients.We embrace continuous growth, allowing every team member to leverage cutting-edge AI to refine our platform and enhance their own skills. We seek individuals who not only meet our high expectations but exceed them. Our ambitious goals require a team that operates at peak performance, and we look for candidates who embody the qualities essential to our success: Resourceful, Inquisitive, Positive, Tenacious, and Compassionate.Your RoleWe are on the lookout for a dedicated and skilled Senior Software Engineer who is enthusiastic about developing high-quality, scalable web and desktop native applications utilizing modern frontend and backend technologies. You will take ownership of significant features from start to finish, overcome technical challenges, and contribute to the team's growth by mentoring junior engineers. Collaborating with fellow engineers, you will guide projects to deliver major features, while working closely with Product Managers to advocate for technical initiatives within the team.Reporting StructureThis position reports directly to our Engineering Manager located in London. We are looking for someone to join our team in our London office. Please note, this is a hybrid role, with an expectation to be in the office 2-3 times per week.

Ebury empowers ambitious businesses to achieve global expansion, fostering the same ethos within our workforce. We promote innovation, collaboration, and problem-solving, creating a workplace where everyone feels valued and empowered to thrive.If you're a team player with a vision to revolutionize global business operations, reach out to us. We would love to explore how Ebury can propel your career and enable you to shape the future.Senior Software Engineer (Money Flows)Ebury London Office - Hybrid: 4 days in the office, 1 day working from homeThe Engineering team at Ebury is on the lookout for a Senior Software Engineer to take on a pivotal role in our organization. Joining our diverse team across South America and Europe, the successful candidate will be responsible for developing and optimizing our multi-currency account systems, as well as managing incoming and outgoing payment processes. Your contributions will be essential as we strive to enhance our platform and deliver an unparalleled payment experience for our clients and operational teams.As a Senior Software Engineer, your technical expertise will be crucial to our innovation and growth. We value teamwork and dedication, and operate in a distributed setup where effective collaboration is key.

Join Carta as a Senior Software Engineer and play a vital role in developing innovative software solutions that empower businesses and transform the way equity is managed. Collaborate with a talented team of engineers to create scalable applications that enhance user experience and drive efficiency.

About SequenceJoin Sequence and play a pivotal role in creating a transformative platform that empowers businesses to streamline their payment processes. Already processing over $1 billion in annual invoice volume, we're on a remarkable growth trajectory.Our cutting-edge, AI-powered revenue platform is designed specifically for modern finance teams, replacing outdated spreadsheets and clunky legacy systems with intuitive software that enhances productivity.Trusted by Cognition, incident.io, MoonPay, and more than 100 high-growth companies, we manage their entire revenue cycle—from quoting and billing to revenue recognition.Founded by experienced entrepreneurs, we achieved a remarkable 10x growth in ARR last year and recently secured a $20 million Series A led by 645 Ventures, with participation from a16z and esteemed founders and CFOs from notable companies like Decagon, Klaviyo, and Wise.What is it like to work at Sequence?At Sequence, you'll be part of a small team with significant opportunities for impact and ownership. You will engage in meaningful work, connect directly with customers, and grow with the company.If you're ready to do the best work of your career at a rapidly scaling company, we would be thrilled to meet you.The RoleWe are seeking skilled software engineers with robust backend and cloud infrastructure experience to develop and enhance the systems that drive billing for contemporary B2B companies.You will take ownership of infrastructure critical to our revenue stream, where precision is paramount and downtime is not an option. Our usage events platform processes each merchant action that influences customer billing, making it one of our most vital systems. You will contribute to the evolution of this platform to accommodate exponential growth while ensuring impeccable accuracy.This is a unique opportunity to join at an early stage where you can make significant architectural decisions while having real customers relying on your work. You'll design systems that manage high-velocity event streams, make technical choices that optimize cost and performance at scale, and establish infrastructure that prioritizes reliability.What You'll Do:Own critical event infrastructure. You'll develop systems that process customer usage data essential for billing and invoicing, designing event streaming pipelines that manage high throughput with minimal latency, and building robust systems where data accuracy is non-negotiable and uptime is measured in nines.

Our MissionAt Omnea, we are transforming the operational landscape for enterprise businesses, particularly addressing the complexities of procurement. This often cumbersome process can involve months of delays and a multitude of emails, drawing in departments such as Finance, Legal, Security, and IT for purchase approvals.With the backing of $75M from Khosla Ventures, Insight Partners, and Accel, we are committed to revolutionizing this space. Our AI-driven platform seamlessly integrates all stakeholders, ensuring that the purchasing process is swift, secure, and efficient. We provide a centralized system for requests, automated approvals, real-time supplier risk assessments, and comprehensive spend visibility.The market potential is significant, with over $7B available. Our growth trajectory demonstrates the scale of this opportunity, having increased our Annual Recurring Revenue (ARR) tenfold within 18 months, earning the trust of renowned global enterprises like Spotify, MongoDB, Monzo, and Albertsons. As of now, we proudly hold the title of the 4th fastest growing startup in Europe.Our team previously scaled Tessian (cybersecurity technology, backed by Sequoia, Balderton, Accel, and acquired post-Series C). Our members include former founders and operators who have successfully built unicorns, delivered exceptional products, and achieved high-level execution. You will collaborate with leaders such as Ben, Abs, Sabrina, and Rebe.What We're Looking ForWe are seeking a highly skilled and product-focused Senior Software Engineer to join our expanding engineering team and support Omnea in its next growth phase. In the upcoming year, we plan to double our team size, grow our enterprise client base from approximately 100 to over 200, and triple our revenue. In this position, you will be responsible for developing high-quality product features and systems, managing complex problem domains comprehensively, and making a direct impact on customer experiences as we transition from a startup to a scale-up.This is an exciting time to join us as we have recently secured $50M in Series B funding from Khosla Ventures...

Company OverviewAt DigitalGenius, we are revolutionizing customer experience for e-commerce brands through our innovative AI Agents. With a proprietary approach to agentic AI, we are poised to lead the industry. Join our dedicated and passionate team to help us reach new heights. Our global presence includes offices in London and New York, with team members located around the world.Our clientele features renowned retail brands such as On, Rapha, Air Up, Holland & Barrett, AllSaints, Honeylove, and Clarins.Role OverviewWe are seeking a skilled Senior Software Engineer to contribute to the development of our product. In this role, you will focus on our platform, backend services, and the integration layer that connects third-party customer support tools with our proprietary AI platform. We value autonomy, ownership, pragmatism, and impact. Your responsibilities will include:Developing new features and services for our no-code platform, analytics, admin console, and data management functionalities.Owning the architecture and delivery of distributed systems.Collaborating closely with product teams and internal stakeholders.Designing and implementing maintainable, scalable architectures for API consumption and provision.Integrating with third-party systems.