109 senior system engineer jobs

We are looking for a Senior System Engineer (Linux) who will be a part of a team that builds the products that millions of people worldwide will use. Papara has been on a mission to create the best financial experience for its users. With over 17 million users, we are a leading fintech company based in Turkey. We provide fast, simple, affordable, and fun financial services. In short, we are the future of banking and finance. We use design and technology to give our users the financial experience they deserve. Since we succeed on a national scale, we are now on a mission to bring our expertise to the global scale to make millions of transactions every day. Papara offers you an opportunity to use the latest technologies to build scalable, high-performing financial services by using the latest technologies. You will be working in a fast-paced environment and be part of a team that constantly develops and renews itself. If you share that passion and believe in our mission, come,...

We are looking for an ambitious Senior System Engineer (Microsoft) who will be a part of a team that builds the products that millions of people worldwide will use. Papara has been on a mission to create the best financial experience for its users. With over 17 million users, we are a leading fintech company based in Turkey. We provide fast, simple, affordable, and fun financial services. In short, we are the future of banking and finance. We use design and technology to give our users the financial experience they deserve. Since we succeed on a national scale, we are now on a mission to bring our expertise to the global scale to make millions of transactions every day. Papara offers you an opportunity to use the latest technologies to build scalable, high-performing financial services by using the latest technologies. You will work in a fast-paced environment and be part of a team that constantly develops and renews itself. If you share that passion and believe in our...

We are looking for an ambitious Senior System Engineer (Microsoft) who will be a part of a team that builds the products that millions of people worldwide will use. Papara has been on a mission to create the best financial experience for its users. With over 17 million users, we are a leading fintech company based in Turkey. We provide fast, simple, affordable, and fun financial services. In short, we are the future of banking and finance. We use design and technology to give our users the financial experience they deserve. Since we succeed on a national scale, we are now on a mission to bring our expertise to the global scale to make millions of transactions every day. Papara offers you an opportunity to use the latest technologies to build scalable, high-performing financial services by using the latest technologies. You will work in a fast-paced environment and be part of a team that constantly develops and renews itself. If you share that passion and believe in our...

The Firm XTX Markets is a leading algorithmic trading company partnering with counterparties, exchanges and e-trading venues globally to provide liquidity in the Equity, FX, Fixed Income, Commodity & Options markets. We provide consistent liquidity, helping market participants throughout the world obtain the best prices in the various assets classes we cover, regardless of changing market conditions. At XTX Markets technology is our business and we are a diverse organisation which attracts outstanding talent from across all industry backgrounds. We are focused on teamwork and our people collaborate on all aspects of the business, working openly and with respect for each other, our clients and the market. Our culture is non-hierarchical and one where everyone is valued. We strive for excellence in everything we do. The Role XTX has one of the largest HPC clusters in the world, which the research technology team have built by writing software. We are not afraid to...

The Design System is the foundation for SumUp's world class product and service experience. By joining the Design System Team, you will have an outsize impact on the future experiences of SumUp merchants - you will enable more consistent, more reliable and more compelling interactions. Also, you will make SumUp Engineering teams more productive, enabling them to ship faster at way higher quality. About The Role & What You’ll Do As an (Senior) iOS Engineer in the Design System Team , you’ll be part of the interdisciplinary team building the design system which underpins all merchant mobile experiences. You will work from the Berlin, Sao Paulo or Sofia office. You will: Write high-quality components, mostly in Swift, to extend and improve the UIKit and SwiftUI based implementations of SumUp's Design System Drive the iOS Design Systems' long-term architecture and structure Encourage, review and pair on community contributions from all of SumUp Engineering Work with...

About Unlimit Founded in 2009, Unlimit is a global fintech company with 16 offices all over the world and more than 400 employees, that offers a large portfolio of financial services - from acquiring (payment processing) to banking and banking as a service. Our mission is to be “ready for tomorrow” and to provide our customers with a sense of stability in the everchanging financial landscape and an opportunity to be prepared for whatever the tomorrow of business brings their way, so that while others observe, they can already take an advantage. About The Job We are looking for Senior IT System Engineer We offer: Attractive monthly salary paid in line with experience Vacation, sick, and paid holidays Flexible working hours Full-time: 5/2 Modern workplace with all necessary equipment A team of top international professionals to learn from Multicultural working environment Requirements Bachelor’s degree in Computer Science, Information...

The Design System is the foundation for SumUp's world class product and service experience. By joining the Design System Team, you will have an outsize impact on the future experiences of SumUp merchants - you will enable more consistent, more reliable and more compelling interactions. Also, you will make SumUp Engineering teams more productive, enabling them to ship faster at way higher quality. About The Role & What You’ll Do As an (Senior) iOS Engineer in the Design System Team , you’ll be part of the interdisciplinary team building the design system which underpins all merchant mobile experiences. You will work from the Berlin, Sao Paulo or Sofia office. You will: Write high-quality components, mostly in Swift, to extend and improve the UIKit and SwiftUI based implementations of SumUp's Design System Drive the iOS Design Systems' long-term architecture and structure Encourage, review and pair on community contributions from all of SumUp Engineering Work with...

What's the role about Paysend is hiring! We are looking to hire Senior Java Engineer to join our fast growing Belgrade based team. You will have the opportunity to work with the team of experts responsible for maintenance, support and development of our main consumer application. We offer hybrid working with around 20-50% of your time to be able to be in a hub location. What you’ll be doing Development of the server-side of the payment processing system (highly loaded). Optimizing system performance based on a constantly changing environment. Implementing API methods for the FE What you’ll need to be successful in the role 3+ years of experience with Java SE 8 / Servlets / JDBC / ActiveMQ / Elasticsearch / Oracle / Redis Java/Kotlin, Docker, PostgreSQL, RabbitMQ, rest, AWS/Azure Fluent knowledge of data structures and algorithms; Development experience with multithreaded systems; Advanced knowledge of cryptography concepts, libraries, and algorithms;...

At Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, or insurers like N26, Vivid, Trade Republic, flatexDEGIRO, Wish, Solarisbank, and more. Having started our mission in January 2018 only, we're incredibly proud to count around 300 employees between our Amsterdam and Barcelona offices, with over 50 nationalities and a nearly equal balance of genders. The mission In this role you will have the opportunity to make a real impact on the success of Fourthline and drive our company’s mission of fighting financial crime. You will be the most senior data engineer within the data team and as such will play a pivotal role in data architecture & data strategy. You will report to the Head of Data & work closely with the data analytics, data science & software engineering teams. What you'll do You will develop robust end-to-end data...

SumUp is a global player in FinTech supporting millions of merchants all over the world to be successful doing what they love. The SumUp POS is our free Point-of-Sale solution that merchants like cafes, shops, bars, or hair salons use to run and grow their business with features such as a product catalog, inventory management, business analytics, compliance support, loyalty features, and more. The POS is part of the SumUp app that comes with our own register hardware, or can be used on tablet & phone devices. In order to best serve these merchants, , our product development teams are growing and hiring Senior Backend Engineers. You will get to know the POS tribe through the hiring process and will be matched with one team during the hiring process. The teams hiring have different domains: Ecosystem & Partnerships, Fiscalisation, Catalog, or Reporting & Insights. Learn more about the job of a Senior Backend Engineer: What you’ll do: Design and implement high-scale...

Your role in the team The Direct Market Access (DMA) team is responsible for connecting IG to Equity, Forex, Futures and ETP markets around the world and operate in a 24/5+ environment. Our software is used by IG's dealing desks, client managers, trading services teams to help clients, hedge IG's risk and monitor our execution systems. We also make parts of it accessible to clients. We provide IG with access to multiple markets through multiple brokers, liquidity providers and venues and all are routed through the DMA and our Order Management System (OMS). The goal of DMA is to be a robust & agile vendor-agnostic layer between IG and our trading venues. We own over 70 applications all working together to facilitate the DMA system. What You'll Do As a software engineer in the DMA Server team, you'll take ownership of your work from elaboration to delivery. You'll take requirements and develop & extend solutions, test them and work with our stakeholders to deliver...

In its journey to become the most loved payment service provider in Europe, Mollie is continuously investing and growing its Engineering department in our Amsterdam HQ. We bring to the table an international, English-spoken, open and diverse working culture based on our core values: Be Loved, Be Bold, Be Authentic! We are currently looking for engineers at middle and senior level for the following engineering teams. You will be considered for all of these teams. We aim to match engineers to their ideal team based on their preferences, skills and background. The Payment processing team, which is responsible for our most vital systems: the API layer and the payment status processing flow. This team is heavily involved in shaping our payment APIs, in adding payment methods, and in building new ways for consumers to pay. The Credit card team, which builds the meticulous PCI-DSS-compliant sub-systems that process all of our credit card payments. As our company expands into countries...

On our path to becoming the world’s favorite way to shop, we’re assembling an unparalleled global talent network, accelerating individual careers, and disrupting entire industries. We are on a mission to liberate humanity from all the meaningless time spent managing their purchases and finances, so they can do more of what they love. We’re in search of global talent eager to embrace our atmosphere and defy their own expectations. Engineering at Klarna is an inspired, customer focused community, dedicated to crafting solutions that redefine our industry. Working in small, highly collaborative and cross functional Agile teams, you and your team will have a clear mission and ownership of an important outcome that supports Klarna and our customers. We optimise for quality, flow, fast feedback, focusing on end-to-end ownership, continuous improvement, testing, monitoring and experimentation. We aim for teams that are inclusive, helpful, and have a strong sense of ownership for the...

As a Senior Mobile QA Developer, you will be part of a team of mobile engineers that builds out the technology that powers our retail brokerage business and supports our other business initiatives. From day one you will be testing our, iOS, Android and iPad applications. We care about the speed and stability of our customer-facing applications we build. Our architecture is consistently evolving as our business grows and we face different technical challenges, but always with a focus on practicality and performance. The role will need you to draw on your experience in approaches such as Continuous Delivery and understand how and when to use diverse testing techniques to deliver high quality software that accurately represents the business domain. You will be comfortable working closely with both business and technical stakeholders to achieve the best possible outcomes. Technology stack:  Node.js, JavaScript, Appium, NPM Modules, Mocha, Jest, Chai, Expect.js, Webdriver.io, Wdio,...

Job Title QA Engineer Job Description You’ll work on existing mobile applications, taking on ownership of current features as well as lead new ones, and troubleshooting issues as they arise. Our mobile engineers work mostly in Swift and Kotlin, but Java is heavily used for shared logic. So, who are we? Hello, we’re IG Group. No, not Instagram – though we're a pretty big deal ourselves. We’re a global, FTSE 250-listed company made up of a collection of progressive fintech brands in the world of online trading and investing. The best part? We’ve snapped up many awards for our top-class platforms, forward-thinking products, and incredible employee experiences. We believe in financial freedom. And our purpose is to help ambitious people achieve it. Around 400,000 people use our groundbreaking technology and forward-thinking platforms to trade the financial products they know and love. Did we mention we have offices in 18 countries? Yes, when you join IG Group, you'll have...

Founded in 2018 and already valued at over $8 billion, Fireblocks is a SaaS platform that helps companies to create innovative products on the blockchain and manage day-to-day crypto operations. Fireblocks is trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more, to securely scale digital asset operations through the Fireblocks Network and MPC-based wallet infrastructure. We have offices in New York, London, Tel Aviv, and Singapore, and we are continuing to expand our teams to reach new customers globally. The key management team in Fireblocks is responsible for the software components that govern the creation, management and usage of cryptographic keys, in the context of making on-chain and off-chain operations for our clients, directly handling the most sensitive and secret bits of information within the Fireblocks platform, while...

About the Senior Software Engineer in Integrations Platform: The team is part of the Platform Tribe and is responsible for building critical internal developer platforms for SumUp. The Integrations Platform team is currently building a new customer data platform that will enable real-time data to be accessible to our user. As part of Integrations Platform, you will be building software systems that will empower CRM and Engineering teams to make data easily accessible. We want our users to focus on bringing value to our customers without worrying about the underlying infrastructure. To be successful in this role, you should be a product minded engineer who aims to improve the user experience of our stakeholders. About the role & what you’ll do: As a Senior Software Engineer, you will be responsible for Building and scaling critical data pipelines and streaming services that are exposed to external users. Produce high quality streaming data via Kafka and maintain...

Role Purpose As a Senior C# Software Developer, you will work with team members, business analysts, architects, and business users to understand business requirements, develop solutions, and build and test them to deliver value to our stakeholders. So, who are we? Hello, we’re IG Group. No, not Instagram – though we're a pretty big deal ourselves. We’re a global, FTSE 250-listed company made up of a collection of progressive fintech brands in the world of online trading and investing. The best part? We’ve snapped up many awards for our top-class platforms, forward-thinking products, and incredible employee experiences. We believe in financial freedom. And our purpose is to help ambitious people achieve it. Around 400,000 people use our groundbreaking technology and forward-thinking platforms to trade the financial products they know and love. Did we mention we have offices in 18 countries? Yes, when you join IG Group, you'll have the chance to work...

Senior OpenShift Engineer who wants to implement, maintain and support the platform on which our workloads are running. Where are you? Welcome to your future team. As Senior OpenShift Engineer (employee or contractor) you will become an indispensable link in our IT Operations Team headed by Christof Bockstaele. What you’ll be doing Within the financial landscape, Isabel Group is a key player with great ambitions. Our multibanking business is a major component of the corporate financial landscape, moving 400 million transactions a year for a total of 2500 Billion euros. A lot is moving in this area with new legislation and new technologies challenging the status quo. The key challenge for the IT Operations teams is to have applications and infrastructure robust enough to handle these volumes while at the same time having the agility and speed to market of a Fintech. A lot of new business initiatives are being launched and are supported by adopting state-of-the-art...

TransferGo is a growing fintech scale-up on a mission to make the world a fairer place for migrants. We strive to provide tailored, more affordable financial services that make people's hard-earned money go further. Now in our 12th year, with over 320 employees in offices across Europe, we’re crafting a brilliant, relevant product that makes a difference in people's lives and the well-being of their families. We’ve come this far by building a talented, diverse workforce on a fair culture and our strong values. Having this strong team of employees, we can serve those who really need our product to make their lives better. We are looking for an ambitious and bright engineer who is eager to build and run services for moving money across the globe. If you're looking for a company where you can grow fast both professionally and personally, you might have just found one! As a Back-End Engineer you will: Design, build and operate services in a cloud-native, service-oriented...