Senior Software Engineer at Trustly | Stockholm, Sweden

WHO WE AREAt Trustly, we are pioneering a smarter, faster, and more secure financial landscape by transforming the payments sector. As a prominent figure in Open Banking Payments, we are setting the standard with Pay by Bank at checkout, delivering unmatched convenience, speed, and freedom for millions of consumers and merchants globally.Our Vision: To establish the world's most innovative payment network and reshape the payment experience.Trustly is a diverse team of innovators, collaborators, and achievers. If you are motivated by a strong purpose and thrive in a fast-paced, entrepreneurial, and rapidly growing environment, we invite you to join us and be part of a team that is redefining the global payment landscape.About the TeamOur Product & Technology organization is at the forefront of developing Trustly’s offerings. Our teams work collaboratively on innovative concepts, product development, and strategic vision. The Product & Tech department comprises around 180 talented individuals.About the RoleWe are seeking to enhance our team responsible for our core backend services by hiring experienced Software Engineers proficient in Java and Golang.

WHO WE AREAt Trustly, we are committed to creating a more intelligent, efficient, and secure financial landscape by transforming the payment industry. As a frontrunner in Open Banking Payments, we aim to set Pay by Bank as the standard for seamless transactions, offering unmatched freedom, speed, and convenience to millions of consumers and merchants across the globe.Our Vision: To establish the most innovative payment network in the world and reshape the payment experience.Trustly comprises a global community of creative thinkers, collaborators, and achievers. If you possess a strong sense of purpose and flourish in a dynamic, entrepreneurial, and rapidly growing environment, we invite you to be a part of our transformative team.About the Product & Tech OrganizationOur Product & Technology division is at the forefront of developing Trustly’s innovative offerings. Our cross-functional teams engage in generating groundbreaking ideas, product and platform development, and strategizing their respective domains. The Product & Tech organization boasts a diverse workforce of over 200 individuals across Stockholm, Lisbon, Örebro, Paris, London, and Izmir.Each team is composed of a product manager, an engineering manager, a lead developer, and engineers. Some teams also include designers and analytics experts. They collaborate closely to introduce new products and enhance existing features across Europe while ensuring the payment platform operates smoothly and efficiently.We are currently seeking to enhance our engineering capabilities within Product & Technology by adding another senior role. Our agile culture combined with DevOps empowers teams to take ownership from coding to on-call responsibilities.About the RoleAs an Engineering Manager, you will be pivotal in guiding and empowering a skilled agile team of engineers. Collaborating closely with product managers, lead developers, and various stakeholders, you will guarantee the delivery of high-quality, scalable, and dependable systems while nurturing a positive and motivating team environment. This role presents an exceptional opportunity to merge technical expertise with people management, making a tangible impact in the payments sector.

Trustly is a global company focused on transforming payments through Open Banking. The team works to make Pay by Bank a standard option at checkout, aiming to simplify payments for both consumers and merchants. With a mission to build an innovative payment network, Trustly brings together people who value collaboration, growth, and a shared sense of purpose. The Tax Manager position is part of Trustly’s Global Tax team within Group Finance. This team covers multiple jurisdictions and values teamwork and continuous development. The Tax Manager will support global tax compliance and reporting, working closely with both the tax team and the wider business. The role reports to the Global Tax Senior Manager. What you will do Support global tax compliance and reporting requirements Collaborate with the Global Tax Team and other departments Operate across multiple jurisdictions Requirements Minimum 3 years of relevant tax compliance experience, ideally with broad responsibilities in a specialized role Background from a Big 4 firm or similar organization preferred Ability to manage tax compliance independently in an international setting In-house tax experience is a strong advantage Location Based in Stockholm, Sweden.

About Speechify Speechify helps people access information in new ways. The platform lets users listen to articles, cloud documents, and books, making learning more flexible and convenient. With rapid growth and a top spot in its category, Speechify continues to expand how information is delivered and experienced. Role Overview The Senior Software Engineer will join the Core Experiences Team in Stockholm. This group builds and maintains the core services and SDKs that power Speechify’s product across multiple platforms. The role suits someone who enjoys working at the intersection of product and infrastructure, values strategic decisions, and takes pride in creating reliable APIs and streamlined systems that improve user experience. What You Will Do Work closely with Product Teams to define project scopes and streamline workflows for faster customer feedback. Balance integration and user experience trade-offs to deliver solutions through a cross-platform SDK. Improve existing features for better performance, including faster load times and advanced parsing, by building efficient abstractions and optimizing algorithms. Design and deploy cloud functions, lightweight backend services, and background jobs using Kotlin. Location This position is based in Stockholm, Sweden.

We are seeking a highly skilled and experienced Director of Engineering to lead our engineering team at Trustly in Stockholm. In this pivotal role, you will drive innovation and excellence in our engineering practices, ensuring the successful delivery of cutting-edge financial technology solutions. You will collaborate closely with cross-functional teams to align engineering initiatives with company goals, fostering a culture of continuous improvement and high performance.

Role Overview Keyfactor Inc. is hiring a Senior Software Engineer with a focus on Java. This position is based in either Stockholm, Sweden or Toronto, Canada. The role centers on building software that helps clients manage digital identities securely. What You Will Do Design and develop Java applications with security and reliability in mind Work closely with cross-functional teams to deliver high-quality software Contribute ideas and improvements to drive product innovation Who We’re Looking For Experienced in Java application development Detail-oriented and proactive in approach Comfortable working in a fast-moving setting Collaborative mindset for working with different teams This is a chance to take on meaningful technical challenges and make a direct impact on secure identity management solutions at Keyfactor Inc.

Join Evolution Gaming as a Senior Software Engineer and be part of a dynamic team that is revolutionizing the gaming industry. You will play a crucial role in designing and developing high-performance software solutions that enhance user experience and drive innovation.

Role Overview Speechify is hiring an iOS Core Product Software Engineer for its Stockholm office. This position focuses on building and improving iOS applications that shape how users interact with our products. What You Will Do Design and develop iOS features for Speechify’s core product. Work with a team dedicated to advancing mobile technology and user experience. Contribute ideas to improve app performance and functionality. Location This role is based in Stockholm, Sweden.

About Trustly Trustly is building a smarter, faster, and more secure financial future by transforming how payments work. As a global leader in Open Banking Payments, Trustly sets the standard for 'Pay by Bank' at checkout, giving millions of consumers and merchants worldwide more freedom, speed, and convenience. The company’s ambition is to create the world’s most innovative payment network and redefine the payment experience. Trustly’s team brings together people from diverse backgrounds who value innovation, collaboration, and achievement. The company values a strong sense of purpose and welcomes those who thrive in an entrepreneurial setting. Security and Compliance Team To reach its goal of becoming the top global online banking payments provider, Trustly is strengthening its information and cybersecurity capabilities. The organization is currently reorganizing its security structure to support scalability and growth. The Security and Compliance team is expanding and looking for Security Engineers focused on product security across Europe. Role Overview: Security Engineer As a Security Engineer at Trustly in Stockholm, you will work with a group of security professionals committed to integrating security throughout the company’s operations and development processes. The team uses its expertise to deliver security services and automates security controls where possible. With the team growing, Security Engineers will have the chance to shape team practices and direction. This role offers the opportunity to influence how Trustly interacts with merchants and to make a direct impact on the company’s operational security framework.

Location: Stockholm HQ About Legora Legora builds an AI-powered platform designed for legal professionals. By working directly with lawyers, the team creates technology that fits real-world workflows and helps users analyze large volumes of documents quickly. Global firms such as Cleary Gottlieb, Goodwin, Bird & Bird, and Linklaters trust Legora’s solutions in over 40 countries. The company values rapid iteration and scalable products as key parts of its growth. Role Overview The Senior Software Engineer will help develop, review, and launch products used by legal experts worldwide. This role involves working across the full technology stack and offers plenty of ownership and autonomy. Projects range from building new features to optimizing existing systems, always with a focus on quality and impact. Main Responsibilities Design and implement end-to-end features for the web platform. Take responsibility for the codebase, maintaining high standards for code quality, security, and development speed. Work with technologies including React, Node.js, AWS, Azure, and Kubernetes. Review code and mentor junior developers, supporting their growth and team collaboration. Promote continuous improvement and challenge established ways of working both within the team and the wider industry. Who We’re Looking For Genuine interest in software engineering and a drive to innovate within legal technology.

Evolution is looking for a Software Engineer to join the team in Stockholm. This position centers on building and improving gaming platforms, with an emphasis on developing reliable software and collaborating across teams. Key responsibilities Develop software to support and enhance gaming products Work closely with engineers, designers, and other specialists from different teams Take part in designing, implementing, and maintaining software systems Requirements Proven experience in software development Interest in tackling challenging projects Comfort working within a team Motivation to learn and adapt to new technologies Location This role is based in Stockholm.

About LangChainLangChain is at the forefront of making intelligent agents a commonplace reality. Our mission is to provide robust frameworks for agent engineering, empowering developers to transition their ideas from mere prototypes to production-ready AI agents that organizations can depend on. Initially launched as widely embraced open-source tools, we have expanded to offer a comprehensive platform that facilitates the building, evaluating, deploying, and managing of agents on a large scale.Today, LangChain, LangGraph, LangSmith, and Agent Builder are instrumental for teams delivering tangible AI products across both nascent startups and established enterprises. Millions of developers trust LangChain to fuel AI initiatives at prominent companies including Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and over 35% of the Fortune 500.With $125M raised in Series B funding from notable investors such as IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for significant growth. We continue to innovate and expand our product offerings, ensuring that every team member's contributions shape our technology's real-world applications.About the RoleLeverage your expertise by collaborating with cutting-edge companies on the frontiers of LLM applications, transforming innovative concepts into production-ready applications.Participate in diverse LLM application projects, including concierge search, code generation, and agentic co-pilots.Conduct technical demonstrations showcasing the complete suite of LangChain products.Facilitate training sessions and workshops focused on best practices for developer audiences.Work closely with the enterprise sales team to drive successful deal closures.Engage with engineering teams to translate customer feedback and insights into impactful product enhancements.Lead special internal and external projects that serve as real-world applications of our innovative products.Success Criteria for This RoleIdeal candidates will be engineers who enjoy engaging with customers or have aspirations of becoming future founders.Candidates with experience as deployed engineers or solution architects from developer-centric organizations will excel.An engineering background coupled with a passion for being a trusted partner to clients is essential.A proactive approach to problem-solving and a commitment to delivering exceptional results are crucial.

Join Trustly as a Merchant Service Agent and be a part of our dynamic team dedicated to providing exceptional service and support to our merchants. In this role, you will act as a key liaison between our merchants and internal teams, ensuring seamless transactions and addressing any queries or concerns that may arise. Your problem-solving skills and attention to detail will be essential in enhancing our merchants' experience and driving their success.

Join Yubico, the leading innovator in secure passkeys and hardware authentication security keys. Our mission is to simplify secure login for everyone. Founded in 2007 by Stina and Jakob Ehrensvard, Yubico is publicly traded on the Nasdaq Stockholm Main Market under the ticker YUBICO. We serve a global clientele, including Fortune 500 companies, numerous government agencies, and millions of users across over 160 countries, all relying on Yubico technology for safeguarding access to computers, online services, and mobile applications. Our prestigious customer roster includes industry giants like Google, Amazon, Microsoft, and Hyatt, as well as innovative companies such as Dyson. With a robust company culture and a diverse workforce spanning 14 countries, our headquarters are located in Stockholm, Sweden, Santa Clara, CA, and Singapore. In line with our commitment to enhancing internet security for all, we actively support at-risk individuals through our philanthropic initiative, Secure it Forward, which provides YubiKeys to organizations helping those in need.Tasks & Responsibilities:Design, maintain, and enhance cryptographic algorithms and primitives (such as encryption, hashing, digital signatures, and key exchanges) deployed on YubiKeys and YubiHSMs.Stay updated on research regarding classical algorithms (RSA, ECC, etc.) and Post-Quantum Cryptography algorithms (ML-DSA, ML-KEM, etc.).Basic Qualifications:Demonstrated ability to follow and understand cryptographic research.Strong foundation in classical (a)symmetric cryptography and Post-Quantum Cryptography.Familiarity with side-channel attacks (like EM, power and timing analysis) and countermeasures.Meticulous approach to writing correct and efficient code.Preferred Qualifications:Experience in low-level programming (C and Assembly).Knowledge of embedded architectures.Ability to adapt and optimize algorithms for resource-constrained environments.Understanding of fault injection attacks.Hands-on experience with laboratory equipment such as oscilloscopes and logic analyzers.

Trustly Group AB is looking for an Information Security Officer based in Stockholm. This role centers on protecting the company’s digital assets and sensitive information from cyber threats. What you will do Develop, implement, and monitor security measures across the organization to guard against cyber risks. Conduct regular risk assessments and respond to security incidents to keep systems and data secure. Collaborate with teams across departments to integrate security policies into daily operations. Support compliance efforts by ensuring practices meet industry standards and regulatory requirements. Who you are Experienced in information security and familiar with current cyber threats. Comfortable working with different teams to embed security into business processes. Skilled at identifying risks and taking action to address vulnerabilities. Knowledgeable about compliance standards relevant to the industry.

About SanaSana is an innovative AI laboratory dedicated to developing superintelligent solutions for the workplace. Our philosophy is rooted in the belief that organizations can achieve their goals more efficiently when teams have seamless access to knowledge, automation of repetitive tasks, and the ability to learn continuously, all facilitated by intelligent AI systems. As a subsidiary of Workday, we focus on creating AI technologies that enhance human capabilities rather than replacing them.To realize our mission, we offer two cutting-edge products. Sana Agents streamline the process of accessing all company applications, knowledge, and data, allowing AI agents to perform meaningful work and enabling teams to process and act on information at an unparalleled scale. Sana Learn is a comprehensive AI-driven learning platform that merges the ease of a contemporary learning environment with intelligent functionalities such as an AI tutor, automated content generation, and interactive applications, ensuring that knowledge is not only accessible but also actionable.We are a highly skilled and passionate team of engineers and designers hailing from prestigious companies like Google, Spotify, Apple, and Databricks, all driven by a commitment to technical excellence and rapid development. Our tools are already empowering over a million users to enhance their learning and productivity across numerous leading enterprises, and we are just beginning our journey.About the RoleWe invite you to join our engineering team and play a pivotal role in shaping the future of knowledge sharing and AI-powered learning. We are on the lookout for gifted engineers who can contribute across our technology stack. Whether you are a generalist or possess specialized expertise, we appreciate strong engineering fundamentals and a growth mindset.Our Tech StackOur development is centered around a modern stack optimized for both human and AI interaction.Backend: TypeScript, Kotlin, Node.jsFrontend: TypeScript, React, TailwindDatabases: Postgres, RedisCloud Infrastructure: GCP/Kubernetes/TerraformWhat We OfferBe part of the future of AI alongside brilliant minds from industry-leading companies such as Google, Apple, Spotify, Notion, Slack, Databricks, and BCG.Receive a competitive salary along with a transparent and appealing equity options program.Experience rapid professional growth in a dynamic environment that promotes continuous feedback and mentorship from experienced leaders.Collaborate with talented colleagues across more than five countries while serving global clients, all from our beautiful office in Stockholm.

Are you eager to tackle exciting challenges in a dynamic, high-transaction environment? We are on the lookout for an innovative and proactive Backend Software Engineer to join our team. If you have a passion for creating exceptional products and thrive on collaboration, we want to hear from you!The RoleJoin our Player, Rewards & Gamification Product Development team in Stockholm! At Betsson Group, we focus on ensuring customer loyalty through an outstanding customer experience that extends beyond gameplay, featuring tournaments, dynamic personalized campaigns, and much more.As part of our journey towards containerization, you'll play a key role in enhancing the scalability and quality of our systems while adapting to new requirements and working on exciting new features.What You’ll DoDesign and develop distributed backend services using .NET and event-driven architecture.Collaborate with product and commercial teams to transform engagement ideas into scalable, maintainable, and user-friendly solutions.Optimize our microservice ecosystem for performance, reliability, and observability.Advance our containerization and cloud migration strategy.Engage in architectural discussions and contribute to shaping technical decisions.For senior engineers: Lead architectural decisions and proactively identify areas for improvement.Write maintainable, well-tested code and conduct thorough code reviews.Participate in incident resolution and share in the team’s on-call rotation.Maintain comprehensive technical documentation, including ADRs, runbooks, and guidelines.Develop and share your domain expertise within the team.

Role overview The Enterprise Sales Engineer at Rubrik works at the intersection of technology and customer relationships. Based in Stockholm, this role supports the delivery of cloud data management solutions for enterprise clients, combining technical expertise with a strong focus on customer engagement. What you will do Partner with sales representatives to understand enterprise customer needs and tailor solutions that support their business objectives. Lead product demonstrations, highlighting the features and strengths of Rubrik’s platform to prospective clients. Offer technical support and clear guidance throughout the sales process, responding to questions and resolving concerns as they come up. Work directly with customers to help ensure smooth implementation and maintain strong satisfaction after deployment. Location This role is based in Stockholm, Sweden.

Role Overview Trustly is looking for a Part-Time Fraud Operations Specialist in Stockholm, Sweden. This role helps protect customers and company operations by monitoring transactions and investigating suspicious activity. What You Will Do Monitor transactions for unusual or suspicious patterns Investigate potential fraud cases as they arise Work closely with internal teams to strengthen fraud prevention measures Analyze data to spot trends and help maintain a secure environment for users

Trustly is seeking a Junior Information Security Officer in Stockholm, Sweden. This position supports the company’s efforts to protect digital assets and maintain strong security practices. Role overview This role involves working closely with senior security staff to help safeguard information and improve security protocols. The Junior Information Security Officer will assist in implementing protective measures and monitoring the company’s digital environment. Key responsibilities Support the implementation of information security measures Assist with risk assessments to identify and address potential vulnerabilities Help ensure compliance with relevant industry standards and regulations Collaborate with experienced team members on security initiatives What you will bring An interest in information security, a willingness to learn from experienced professionals, and a commitment to maintaining high standards of digital protection are important for this role.