Senior Backend Engineer - Marketplace

Wheely provides premium transportation services by pairing advanced technology with high-end chauffeuring. Over 100,000 riders and more than 1,200 corporate clients depend on Wheely for reliable, high-quality rides. The company has recently expanded into New York City and has plans to grow further in the US and EMEA regions. Role overview The Senior Backend …

Join Our Team at Plum!At Plum, we are revolutionizing the way people save and invest. Our innovative app is dedicated to empowering individuals to grow their finances for a lifetime, whether it’s for that cozy first home or indulging in retirement adventures. Since our inception in 2016, we have helped over 2 million users across 10 European markets save more than £2 billion using our cutting-edge automation and AI technology.We take pride in our passionate team of over 200 Plumsters working across Europe to make this vision a reality. Now, we invite talented individuals to join us on this exciting journey.The RoleWe are seeking a Senior Backend Engineer who is not only technically adept but also committed to delivering outstanding products to our customers. You will play a pivotal role in the product development lifecycle, combining technical expertise with a deep understanding of user needs.

Wrike is an innovative work management platform designed for teams and organizations aiming to enhance collaboration, creativity, and productivity. Our platform consolidates all work into a single, manageable space, removing complexity and empowering individuals to concentrate on their most impactful tasks. Our vision: A world where everyone is free to focus on their most purposeful work, together. About the Role: As a pivotal member of Wrike’s Backend Reliability (BRE) team, you will play a critical role in maintaining our backend infrastructure and ensuring exceptional uptime. Our goal is to achieve and sustain 99.99% availability while developing essential tools, components, and safety measures relied upon by the entire engineering organization. In your capacity as a Senior / Staff Backend Engineer, you will not only address issues but also design core reliability solutions that influence how Wrike scales, performs, and recovers from failures.Your Impact: Design, implement, and sustain vital reliability components including HTTP rate limiters, internal database migration tools, circuit breakers, and distributed Redis-based caching.Diagnose intricate production issues, optimize PostgreSQL performance, and ensure our distributed systems operate efficiently and stably under peak loads.Lead initial investigations during critical production incidents, identifying root causes, assessing impacts, and proposing mitigation strategies, with long-term solutions executed by the responsible teams.Develop scalable, reusable tools and frameworks that empower other engineering teams to construct more resilient services.Utilize AI-driven tools and coding agents to expedite development, analyze architectures, and automate repetitive or error-prone tasks.Promote reliability best practices across the engineering division through knowledge sharing, design reviews, and setting exemplary technical standards.

Wheely provides premium transportation services in major cities across Europe, the US, and the Middle East. The company combines advanced technology with professional chauffeuring, serving more than 100,000 active riders and 1,200 corporate clients. With $43M in funding and annual revenue above $100M, Wheely is profitable and continues to expand, including a recent launch in New York City and ongoing growth in the US and EMEA. Role overview The Mapping team at Wheely builds the platform’s spatial intelligence. This work includes road matching, delivering low-latency ETA predictions, and processing thousands of coordinates per second to keep journey tracking accurate. The team prefers lean frameworks and focuses on clean, maintainable code, using practices like test-driven development, domain-driven design, and continuous integration and delivery. The backend stack is primarily Go, with an active migration from a Ruby monolith. Technologies include PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift, all running on AWS and Kubernetes managed with Terraform. What you will do Write efficient, high-quality code, mainly in Go. Develop new microservices and assist with migrating from legacy systems. Collaborate with product managers, designers, and data scientists to turn complex requirements into technical solutions. Optimize systems for responsiveness and reliability, especially under heavy load. Requirements At least 3 years of experience building and maintaining scalable backend services (5+ years for senior level). Experience with Go is preferred, but strong skills in another language such as Python, C++, Java, or Ruby are also valued. Interviews can be conducted in your strongest language. Solid engineering fundamentals are most important. Understanding of both relational and NoSQL databases, including PostgreSQL, MongoDB, and Redis, plus experience with message brokers like RabbitMQ or Kafka. Minimum 1 year of hands-on work with mapping-related tasks, such as processing geospatial data and map matching. Interview process Recruiter screening Algorithms assessment Live coding challenges System design discussions For senior candidates: structured review of past experience and achievements Location This role is based in Λευκωσία, Nicosia, Cyprus.

Wheely delivers premium transportation services in major cities throughout Europe, the US, and the Middle East. The company blends advanced technology with high-end chauffeuring, serving more than 100,000 active riders and 1,200 corporate clients. Wheely is profitable, has raised $43 million, and reports over $100 million in annual revenue. With a recent launch in New York City, Wheely continues to expand across the US and EMEA regions. Role overview The Platform team sits at the center of Wheely’s engineering efforts. This group creates shared tools, manages migrations (including the ongoing transition from a Ruby monolith), and develops infrastructure that supports the rest of the company. Their work helps other teams deliver features quickly and reliably. This position is a fit for engineers who value clean, maintainable code and efficient delivery. The team emphasizes test-driven development (TDD), domain-driven design (DDD), and continuous integration and deployment (CI/CD). Key technologies Primary language: Go (Golang) Legacy system: Ruby monolith (migration in progress) Databases: PostgreSQL, MongoDB Messaging: RabbitMQ Caching: Redis APIs: gRPC, Thrift Cloud: AWS Orchestration: Kubernetes Infrastructure as code: Terraform Interview process Initial recruiter screen Algorithm challenges Live coding sessions System design discussions Senior-level candidates will discuss previous experience and achievements in depth Location This role is based in Λευκωσία, Nicosia, Cyprus.

Wrike stands as a premier work management platform, crafted for teams and organizations striving to collaborate efficiently, innovate, and surpass daily challenges. Wrike unifies all work into a single platform, alleviating complexity, enhancing productivity, and allowing individuals to concentrate on their most impactful tasks. Our Vision: Envisioning a world where individuals can prioritize their most meaningful work collectively. About the Wrike TeamAt Wrike, every voice is valued. Our Scrum teams, comprising Frontend, Backend, QA, UI, UX, and Product Owners, are central to our decision-making processes. As a Backend Engineer within our product teams, you will engage with both business logic and technical challenges, while our technical teams facilitate seamless internal tooling, CI/CD, and an exceptional developer experience. We prioritize our architecture, deploy daily with minimal merge conflicts, and encourage backend engineers to innovate, implement technical enhancements, and influence product strategies by sharing ideas with Product Owners. Transitioning towards a microservices architecture empowers product teams with greater ownership and flexibility, backed by our technical teams. Our mission is to simplify our clients' experiences by delivering robust, user-friendly solutions that cater to all, from startups to large enterprises.Are you a dedicated Backend Engineer? This isn't merely a job posting; it's an invitation to connect with Wrike for future opportunities. By joining our talent pool, you can introduce yourself and delve deeper into our culture, projects, and technologies. We are always eager to meet talented professionals, even if no current openings exist. Apply today to start a conversation and discover more about life at Wrike.Current Projects:Designing, building, and enhancing product features from the ground up or refining existing ones.Collaborating to tackle complex challenges and refine solutions as a unified team.Maintaining high technical standards through code reviews, testing, and task estimation.Adopting rapid, iterative development practices while adhering to industry best practices.Leveraging AI tools daily to automate tasks and enhance productivity.Fostering continuous learning and mutual support among team members.Our Technology Stack:Java (21), Spring, REST APIs, SQLPostgreSQL, Redis, RabbitMQUnit/integration testing, Java web stackAI tools (Cursor, Zencoder, etc.; internal AI portal; internal MCP)

Join our innovative team at withplum as a Backend Engineer and contribute to developing scalable and efficient backend systems. You will work with cutting-edge technologies and collaborate with a talented group of engineers to create robust applications that meet user needs.

At Plum, we're dedicated to revolutionizing personal finance by maximizing wealth for everyone. Our mission is to simplify saving and make investing accessible to all.Since our inception in 2017, we have pioneered the use of artificial intelligence and automation to streamline personal finance. Today, we proudly announce that our efforts have led to a remarkable £2 billion saved by our users across 10 European markets.Recognized as the UK's fastest-growing fintech by Deloitte Technology Fast 50, our success stems from the commitment and enthusiasm of our diverse team. With offices in London, Athens, and Nicosia, our team of 170 talented professionals collaborates to enable individuals to manage their finances more effectively. We are excited to expand our team!The RoleWe are seeking a user-centric Senior Android Engineer to join our dynamic engineering team. In this role, you will contribute to the development of our Android application from the ground up, providing our users with a more personal way to manage their finances.Our Engineering PhilosophyWe prioritize solid engineering principles, creativity, and a healthy dose of curiosity. We are cautious in our use of external frameworks, striving to write simple, well-tested code that can be delivered in rapid iterations.Our Work CultureWe operate in squads—small, cross-functional teams with specific missions and KPIs to enhance performance. As an engineer, you'll collaborate within your squad while having the opportunity to engage with the entire company. You’ll also be part of a Mobile engineering team that shares a unified vision of creating an outstanding mobile experience that enhances financial well-being.What We ValueWhile technical expertise is vital, we also value the right attitude, especially in a startup environment where innovation is key. We are looking for individuals who thrive in uncertainty and are eager to solve challenges that have yet to be tackled. You should be a true team player with a positive mindset, always looking for solutions instead of problems.A passion for building products that improve livesA strong command of Kotlin programmingComprehensive knowledge of the full Android stack and Android architecture patternsA desire to collaborate on pioneering Android projectsA close partnership with designers, enjoying the transformation of designs into captivating user experiencesA product-focused mindset, recognizing the influence and significance of your contributionsFist-bumps if you haveProficiency in Kotlin programming language

Role overview Wrike seeks a Senior Software Engineer based in Nicosia. The position centers on designing, building, and maintaining software that addresses user needs. Daily work involves collaborating with colleagues from various teams to improve product features and deliver updates. What you will do Design and build software solutions that support users Maintain and enhance existing product features Work closely with team members across departments to deliver improvements Requirements Experience designing, building, and maintaining software Ability to collaborate effectively with colleagues from different teams Based in Nicosia

Wrike is a leading work management platform designed to empower teams and organizations to collaborate, innovate, and excel daily. Our platform centralizes all tasks and projects, simplifying workflows, boosting productivity, and allowing individuals to concentrate on what matters most. Our Vision: A world where everyone can focus on their most meaningful work together. About the Role:As a pivotal member of Wrike’s Security team, you will play a critical role in safeguarding the integrity and trustworthiness of our platform’s data. In this senior role, you will be responsible for enhancing and overseeing the security framework across Wrike’s production, Kubernetes, and GCP environments. Your mission is not merely to maintain existing systems; you will design a "secure by default" infrastructure, enabling our engineering teams to operate swiftly without compromising safety.Your Impact:Own Infrastructure Security: Architect, implement, and refine security controls—such as hardening, network segmentation, IAM, and endpoint security—across our entire infrastructure.Strategic Defense: Guide the technical direction of our cybersecurity defenses, focusing on enterprise posture management, threat detection, and vulnerability oversight.Collaborative Architecture: Collaborate with ITOps, SysOps, DevOps, and XOps to integrate security seamlessly into our architecture and change management workflows.SIEM Evolution: Develop and sustain our SIEM strategy and associated infrastructure to ensure proactive visibility into security events.Mentorship: Educate and mentor engineering teams on secure system design, enhancing the overall security knowledge of the organization. Your Qualifications:Cloud & Container Mastery: Extensive experience managing GCP permissions and security configurations within Kubernetes, Azure, and on-premises environments.Technical Depth: Strong proficiency in Intrusion Detection, Exploit Development, and Linux Operations with a robust understanding of security principles.Security Architecture: Proven ability to design and implement security architectures that meet organizational needs.

Wrike is the premier work management platform designed for teams and organizations that aspire to collaborate effectively, innovate continuously, and achieve exceptional results every day. Wrike unifies all efforts and projects in one platform to eliminate complexity, boost productivity, and allow individuals to concentrate on their most significant work. Our Vision: A world where everyone can focus on their most meaningful work together. Are you an enthusiastic Frontend Engineer? This opportunity goes beyond a standard job listing—it's an invitation to connect with Wrike for future career possibilities. By joining our talent pool, you can showcase your skills and learn more about our vibrant culture, exciting projects, and innovative technologies. We are eager to meet skilled professionals, even if we do not currently have open positions. Apply today to start a conversation and explore what life is like at Wrike.Discover More About Our TeamAt Wrike, every voice is valued. Our Scrum teams, consisting of Frontend Engineers, Backend Engineers, QA specialists, UI/UX designers, and Product Owners, are central to our decision-making process. Frontend Engineers have the opportunity to work within either product cross-functional feature teams or technical (internal) teams. Engineers in product teams handle both business logic and technical solutions, while those in technical teams focus on developing internal tools and libraries, enhancing code quality, and improving the overall development experience. In both roles, you will actively use the product you are developing and witness the impact of your contributions, with deployments occurring one to three times daily.Current Projects:Designing, building, and enhancing product features from the ground up.Collaboratively tackling complex challenges and refining solutions as a team.Ensuring high technical quality through rigorous code reviews, testing, and task estimation.Embracing fast, iterative development while adhering to best practices.Utilizing AI tools daily to automate tasks and increase efficiency.Fostering continuous learning and supporting each other's professional growth.Our Technology Stack:TypeScript, React 19, Redux + Redux Toolkit.Microfrontends, Module Federation.AngularDart 5.3, Dart SDK 2.13.4 (legacy components).AI tools for task automation.Fluent English is essential.Why Join Wrike?25 days of paid vacation per year.

Job OverviewWargaming is seeking a talented Render Engineer to join our dynamic Game Engine Development team. In this role, you will be pivotal in the advancement of a cross-platform game engine developed in C++. Your expertise will contribute significantly to the rendering capabilities of our games.Key ResponsibilitiesDesign and implement new graphical features while enhancing existing onesRefactor and optimize code, addressing any graphical bugsAdhere to coding standards and style guidelines in your developmentCreate and maintain technical documentation for your workQualificationsMinimum of 2 years of professional experience in C++ developmentFamiliarity with graphics APIs such as DirectX, Vulkan, or OpenGLProficient in shader programming (GSL, HLSL)Basic understanding of linear algebra concepts (vectors, matrices, quaternions)Experience developing 3D demo applications or personal game enginesSkilled in using debugging and profiling tools (e.g., Nsight, Renderdoc, PIX)Strong comprehension of the graphics pipeline and GPU architecturePractical knowledge of DirectX 11/12 and VulkanPreferred SkillsIntermediate proficiency in English

About Libertex EuropeAs part of the esteemed Libertex Group, Libertex Europe stands at the forefront of online brokerage, providing a wide array of tradable CFDs that include commodities, Forex, ETFs, cryptocurrencies, and more. In addition to these offerings, we facilitate investments in real stocks, catering to diverse trading needs.Over the years, our commitment to excellence has been recognized with multiple prestigious accolades, such as 'Best Global Broker' at the Ultimate Fintech Awards 2025, 'Best Online Trading Platform' at the Fintech Breakthrough Awards 2025, and 'Most Trusted Broker' by European CEO in 2024. Our partnership with the Audi Revolut F1 Team exemplifies our belief in the inspiring power of sports to motivate and drive success.Since our inception in 1997, the Libertex Group has evolved into a formidable fintech powerhouse, establishing a significant presence across multiple jurisdictions and serving millions of clients globally.In Europe, our trading platform is operated by Indication Investments Ltd., a regulated Cyprus Investment Firm supervised by the Cyprus Securities and Exchange Commission (CySEC) under CIF License number 164/12.Position OverviewWe are on the lookout for a talented and experienced Cloud DevOps Engineer to join our dynamic team. In this role, you will be responsible for designing, building, and maintaining scalable cloud infrastructure alongside robust CI/CD pipelines. The ideal candidate will possess extensive hands-on experience with AWS container platforms, infrastructure as code, automation, and monitoring, collaborating closely with development and security teams to ensure reliable and secure deployments.

Join our dynamic team at Welltech as a Staff Security Engineer. In this pivotal role, you will be responsible for safeguarding our digital infrastructure and enhancing our security protocols. We are looking for a proactive individual with a keen eye for identifying vulnerabilities and implementing robust security measures. You will collaborate with cross-functional teams to ensure the security of our systems and applications, contributing to a culture of security awareness throughout the organization.

About WheelyWheely is transforming premium transportation services across major urban centers in Europe, the United States, and the Middle East. By integrating innovative technology with the artistry of five-star chauffeuring, we provide an unparalleled experience trusted by over 100,000 active riders and 1,200 corporate accounts.As a profitable, fast-expanding scale-up with $43 million in funding and more than $100 million in annual revenue, Wheely is rapidly growing, especially following our recent launch in New York City. If you're passionate about your craft and eager to contribute to the next stage of our journey, we invite you to connect with us.We are seeking a talented Frontend Engineer to join one of our innovative technical teams, such as Wheely for Business (B2B) or Pricing.

As the landscape of payment processing continues to transform, businesses are seeking reliable and strategic partners to fuel their growth.Welcome to Nuvei, the Canadian fintech leader empowering clients across the globe. Nuvei's innovative, modular, and scalable technology enables top-tier companies to embrace next-generation payment solutions, access diverse payout options, and leverage services in card issuing, banking, risk, and fraud management. Serving over 200 markets, with local acquiring capabilities in 50 markets, 150 currencies, and 700 alternative payment methods, Nuvei offers the technology and insights necessary for success on both local and global stages through a single integration.At Nuvei, we embody our core values and excel at addressing complex challenges. Our commitment to continuous improvement and exceptional customer service drives us to seek out outstanding talent to join us on this exciting journey!Your RoleWe are on the lookout for a Senior Billing Specialist to integrate into our dynamic Billing and Collections team. Reporting directly to the Billing Manager, you will play a vital role in supporting financial business operations, particularly focusing on the calculation of monthly fees.Key Responsibilities:Preparation and analysis of monthly fees based on collected data.Monthly invoicing: calculating and issuing invoices.Managing daily merchant correspondence, including timely responses to internal and client emails.Updating and verifying system records for fees.Maintaining the database by ensuring accurate and timely updates of various data types.

Join Wrike, a leading collaborative work management platform, as a Senior Product Manager for Analytics. In this pivotal role, you will harness data to drive strategic decisions, enhance product features, and optimize user engagement. Your expertise in analytics will empower our team to unlock valuable insights, ensuring our products meet the evolving needs of our clients.As a Senior Product Manager, you will collaborate with cross-functional teams, including engineering, marketing, and sales, to define product requirements and translate them into actionable plans. If you have a passion for analytics and a proven track record of successful product management, we want to hear from you!

About the Role Playtech is looking for a Senior Oracle Database Developer to join the team in Nicosia. This position focuses on designing, building, and maintaining database solutions that power Playtech’s gaming platforms. What You Will Do Design and implement Oracle database solutions for gaming applications Maintain and improve database performance Ensure data integrity across systems What We’re Looking For Extensive experience working with Oracle databases Strong skills in database design, optimization, and maintenance Ability to support complex, high-availability systems This role offers the chance to work with a skilled team supporting Playtech’s innovative products.

Wheely provides premium transportation services in cities across Europe, the United States, and the Middle East. The company combines advanced technology with five-star chauffeuring, serving over 100,000 active riders and 1,200 corporate accounts. Wheely is profitable, has raised $43 million, and generates more than $100 million in annual revenue. Recent growth includes a launch in New York City. Design plays a central role at Wheely, shaping every product and interaction. The team focuses on seamless, personalized experiences, refining details from the mobile app to the entire rider journey. Continuous improvement and a drive for innovation guide the design process. Role overview The Senior Product Designer position is based in Λευκωσία (Nicosia), Cyprus. This role calls for a strong visual sense and the ability to turn complex challenges into intuitive experiences. What you will do Make important design decisions as an independent contributor within a cross-functional team. Lead the design process from concept to launch for both mobile and web products. Collaborate closely with engineers to refine and improve the product. Identify opportunities for product improvements, evolve the design system, and help shape new features. Write clear, effective UX copy tailored to different audiences and contexts. Requirements Minimum 3 years of experience as a Product Designer working on digital, user-facing products. Strong visual design skills with careful attention to detail. Proven ability to create balanced, natural-feeling interfaces. Experience designing complex features while maintaining consistency across the product. Technical understanding to recognize engineering constraints and design within them. Proactive in identifying and prioritizing UX issues, with skill in gathering and analyzing data to inform decisions. Clear communication and strong self-organization, able to explain design choices and respond to feedback quickly. Benefits Wheely offers flexible working hours and a comprehensive set of perks and benefits, reflecting the high standards expected from every team member.

Join Platacard as we embark on an exciting journey to establish our own ATM network in Mexico. We are seeking a skilled ATM Security Specialist who possesses a deep understanding of ATM hardware and software, capable of identifying security vulnerabilities and implementing robust defenses to ensure our machines operate securely and efficiently.In this role, you will collaborate closely with equipment vendors and internal teams, directly influencing the security and availability of our ATM network.Key ResponsibilitiesConduct comprehensive security testing and validation of ATM platforms and associated infrastructure to safeguard against unauthorized access, tampering, and other vulnerabilities.Evaluate and mitigate risks related to ATM hacking, malware threats, skimming devices, and physical intrusion attempts.Oversee antivirus management, endpoint protection, and hardening measures across ATMs, ensuring timely application of security patches and policies.Accept new ATMs and software releases, performing thorough security configuration reviews and vulnerability assessments prior to deployment.Prepare ATMs for operational status through secure software installations, system lockdowns, and ensuring compliance with security protocols during field engineer activities.Investigate security incidents, conduct root-cause analyses, and implement corrective measures to prevent future occurrences.