Backend Engineer

Teya

Hello. We’re Teya. Teya was founded on a simple belief: local businesses deserve better. They are the cafés, restaurants, salons, shops and entrepreneurs that bring character to our high streets, create jobs and keep communities moving. Yet for too long, financial services has made life harder for them - with clunky tools, poor support and complexity that gets in the way of running a business. Teya exists to change that. We’re building a financial platform for local businesses across Europe - one built around simple tools, thoughtful design and real human support. Our Members rely on us to help them run their business with confidence, and that responsibility shapes the way we work. We move fast. We care about quality. We stay close to the detail. And we believe great performance and genuine hospitality should go hand in hand. If you want to build meaningful products, solve real problems and make a genuine difference for local businesses, we’d love to hear from you YOUR MISSION Small businesses are the backbone of our communities — yet they remain underserved by traditional banks and legacy payment providers. As a Principal Backend Engineer, you will play a defining role in changing that. Your mission is to design and build the resilient, scalable fintech infrastructure that underpins our most critical business initiatives. This isn’t about owning a single service — it’s about owning outcomes. You will drive the technical success of the platforms that power payments, merchant onboarding, transaction processing, and operational workflows across Europe. You’ll operate at the intersection of engineering and business strategy, shaping systems that must be secure, compliant, highly available, and capable of scaling with rapid growth. The decisions you make will directly influence how quickly we can launch new products, enter new markets, and serve thousands of merchants. This role goes beyond technical leadership. You will define and evolve the architectural foundations that multiple teams depend on, bringing clarity to ambiguity and ensuring our most important initiatives succeed. WHAT YOU’LL DO * Own and drive the architecture behind our most critical platforms, ensuring they scale with the business and unlock new capabilities * Design and evolve high-scale, cloud-native systems powering payments and merchant experiences * Lead the development of resilient, secure, and compliant services for high-volume transaction processing * Shape and drive adoption of modern backend practices (Java 17/21, Spring Boot 3, Kotlin, clean architecture) * Architect event-driven systems (Kafka) that enable scalable, decoupled domains across teams * Define and enforce standards for API-first development (REST/gRPC) and domain-driven design (DDD) * Set the bar for availability, performance, fault tolerance, and observability across critical systems * Partner deeply with Product, Data, and leadership to translate business priorities into scalable technical strategy * Lead cross-organisational initiatives that are essential to company growth and market expansion * Influence engineering direction through hands-on contribution, design leadership, and mentorship * Bring structure to ambiguity across technical, regulatory, and operational domains WHAT YOU BRING * 8+ years of experience building and operating distributed, production-grade backend systems * Proven track record operating at Senior Staff or Principal level, driving architecture across multiple teams or domains * Deep expertise in Java (17+), Spring Boot, and modern backend engineering practices * Strong experience with microservices, event-driven architecture, and asynchronous systems * Experience building systems for high throughput, low latency, and reliability, ideally in fintech or transaction-heavy environments * Strong grounding in system design, data structures, and performance trade-offs * Hands-on experience with AWS, Docker, and Kubernetes in production environments * Proven ability to implement observability, resilience patterns, and CI/CD best practices * Excellent communication skills with the ability to influence and align stakeholders * A track record of mentoring senior engineers and leading through ambiguity   The Perks * We trust you, so we offer flexible working hours, as long it suits both you and your team; * Health Insurance; * Physical and mental health support through our partnership with MyFitness; * 25 days of Annual leave (+ Bank Holidays); * Possibility to visit other Teya offices to meet colleagues in instances when travel is safe and appropriate; * Friday lunch in the office; * Friendly, comfortable and high-end work equipment and informal office environment; * Hybrid work mode policy. Teya is proud to be an equal opportunity employer. We are committed to creating an inclusive environment where everyone regardless of race, ethnicity, gender identity or expression, sexual orientation, age, disability, religion, or background can thrive and do their best work. We believe that a diverse team leads to better ideas, stronger outcomes, and a more supportive workplace for all. If you require any reasonable adjustments at any stage of the recruitment process whether for interviews, assessments, or other parts of the application—we encourage you to let us know. We are committed to ensuring that every candidate has a fair and accessible experience with us.

Teya

Hello. We’re Teya. Teya was founded on a simple belief: local businesses deserve better. They are the cafés, restaurants, salons, shops and entrepreneurs that bring character to our high streets, create jobs and keep communities moving. Yet for too long, financial services has made life harder for them - with clunky tools, poor support and complexity that gets in the way of running a business. Teya exists to change that. We’re building a financial platform for local businesses across Europe - one built around simple tools, thoughtful design and real human support. Our Members rely on us to help them run their business with confidence, and that responsibility shapes the way we work. We move fast. We care about quality. We stay close to the detail. And we believe great performance and genuine hospitality should go hand in hand. If you want to build meaningful products, solve real problems and make a genuine difference for local businesses, we’d love to hear from you Your Mission As a Senior Software Engineer at Teya, you will play a crucial role in shaping the future of Teya's technology, driving innovation, and ensuring we deliver a seamless, high-performance experience for our merchants across Europe. You will work with diverse, cross-functional teams to design, develop, and maintain core components of our systems that power various aspects of our business, from payments processing and core banking to merchant lifecycle management and internal operations. Your contributions will directly impact our merchants' success, enabling them to thrive in an increasingly competitive landscape.   As a Senior Software Engineer at Teya, you will be expected to: * Design, develop, and maintain clean, efficient, secure, and well-tested code to support critical business needs, ensuring scalability, performance, and reliability across Teya's systems. * Take ownership of features and projects throughout the full software development lifecycle, including scoping, design, development, testing, deployment, and maintenance. * Collaborate closely with cross-functional teams (including product, design, data science, security, and operations) to understand requirements, provide technical insights, and contribute to architecture discussions. * Build tools and integrate systems to enhance operational efficiency, reliability, and scalability of products across the business. * Contribute to process improvements, focusing on continuous integration, delivery, and deployment to ensure a smooth and stable development pipeline. * Participate in code reviews, share feedback constructively, and help elevate the overall quality and performance of the team’s output. * Mentor and support fellow developers, fostering a collaborative and innovative environment. * Stay updated with the latest trends and technologies in software engineering, payments, and fintech, proactively identifying opportunities for improvement and innovation. * Assist in troubleshooting complex issues related to our systems, providing timely resolutions to ensure uninterrupted service for our customers. * Help define and promote best practices in software development, including code quality, testing, automation, and security. * Serve as a subject matter expert in key areas, providing guidance and support to other teams.   Requirements: * 5+ years of professional software development experience, with a solid understanding of backend systems, scalable architectures, and software design principles. * Expertise in Java (17+), Spring Boot, and modern backend engineering practices * Experience with system design and architecture, including object-oriented design patterns, microservices architecture, and API development. * Experience building systems for high throughput, low latency, and reliability * Experience in system design, data structures and performance trade-offs * Excellent communication skills with the ability to influence and align stakeholders * Experience with system design and architecture, including object-oriented design patterns, microservices architecture, and API development. * Strong problem-solving skills and the ability to debug complex issues across multiple systems or services. * Experience working in an Agile/Scrum development process. * Ability to work well as part of a team and independently in a fast-paced environment.   Nice to have: * Degree in computer science, engineering, or a related field. * Previous experience in the Payments Industry, fintech, or Location and Business Recommendation Services platforms. * Experience with cloud infrastructure (AWS, Kubernetes, Helm). * Experience with current or specific frameworks, SDKs, APIs, and libraries relevant to Teya's technology stack (e.g. Laravel, Spring, Reactor). * Familiarity with authorisation systems (e.g., RBAC, ABAC, SpiceDB). * Experience with Behavior-Driven Development (BDD) or Test-Driven Development (TDD). * Experience with CI/CD pipelines.   The Perks * We trust you, so we offer flexible working hours, as long it suits both you and your team; * Health Insurance; * Physical and mental health support through our partnership with MyFitness; * 25 days of Annual leave (+ Bank Holidays); * Possibility to visit other Teya offices to meet colleagues in instances when travel is safe and appropriate; * Friday lunch in the office; * Friendly, comfortable and high-end work equipment and informal office environment; * Hybrid work mode policy. Teya is proud to be an equal opportunity employer. We are committed to creating an inclusive environment where everyone regardless of race, ethnicity, gender identity or expression, sexual orientation, age, disability, religion, or background can thrive and do their best work. We believe that a diverse team leads to better ideas, stronger outcomes, and a more supportive workplace for all. If you require any reasonable adjustments at any stage of the recruitment process whether for interviews, assessments, or other parts of the application—we encourage you to let us know. We are committed to ensuring that every candidate has a fair and accessible experience with us.

Stegra Boden AB

Studies show that women and underrepresented groups often hesitate to apply unless they meet every requirement. At Stegra, we’re building an impact-driven, sustainable company - and we need a diverse, inclusive team to make it happen. If you share our passion but don’t meet every qualification, we encourage you to apply anyway. You might be the perfect fit for this role, or another as we grow. At Stegra, we’re not just building a plant, we’re proving that sustainable industry is possible. And to do that, we need people like you. Join a team where safety comes first. Where we support each other, learn as we go, and make space for everyone to grow and contribute. This is your chance to be part of something big - while being closer to nature and leading a balanced, purposeful life. Backend Engineer – Digital Enterprise (HR & Finance) At Stegra, we are building a next-generation steel plant - and digital capabilities are a core part of how we operate, optimize, and scale our operations. We believe the best digital solutions are created close to the business, by teams who understand both the context and the technology. Our teams work cross-functionally to build solutions that are scalable, maintainable, and create real value. We are now looking for a Backend Engineer to join our Digital Domain supporting HR and Finance. What you’ll do In this role, you will be part of a cross-functional team within our Digital Enterprise function, working closely with both business and technical colleagues. Your day-to-day work will include: Developing and maintain backend services that enable reliable HR and Finance operations Designing APIs and integrations that enable reliable and scalable communication between systems Working with both synchronous and asynchronous patterns, including event-driven approaches where relevant Contributing to how services are structured, interact, and evolve over time Collaborating with HR and Finance stakeholders to understand needs and turn them into working solutions Breaking down problems into clear technical components and development tasks Ensuring that security, data protection, and access control are embedded in the solutions we build How we work Modular, microservice-based architecture Combination of well-designed APIs and event-driven integrations Integration treated as a core capability Systems designed to evolve and be replaceable over time Iterative development - delivering early and improving continuously We make use of modern tools, including AI-assisted development, while placing strong emphasis on understanding problems, making sound technical decisions, and building solutions that work in practice. What you’ll bring A degree in Computer Science, Engineering, or equivalent experience A few years of experience in backend development Experience working with APIs and/or microservice-based systems Interest in how systems are designed and how components interact over time Familiarity with asynchronous patterns (events, messaging, queues) Ability to break down complex problems into structured technical solutions Comfortable working directly with both technical and non-technical stakeholders Interest in understanding business processes and how digital solutions support them Meriting: Experience with Kotlin / Spring or similar Experience with cloud, DevOps practices, or CI/CD Experience working with testing, monitoring, or production systems How you will grow We believe the best engineers don’t work in silos. While your core will be backend, you’ll have the opportunity to understand and contribute across the full stack - from data to frontend - and to take increasing responsibility for how services are designed, interact, and evolve over time, supported by experienced colleagues in each area. Benefits at Stegra At Stegra, you’ll join a company where your work has real impact on the climate, the industry, and future generations. We’re building a culture rooted in safety, trust, and inclusion, where people feel supported to grow and thrive. You’ll receive fair, competitive compensation aligned with collective agreements, along with benefits like up to 30 days of paid vacation, occupational pension, parental benefits, and insurance. If you need support with relocation or immigration, our relocation department will help guide you through the process, whether it’s permits, housing or other practical matters. You can also enjoy perks like subsidized gym memberships and bike leases, plus the everyday benefits of life closer to nature. This is Stegra Stegra is on a mission to change the global steel industry by producing green hydrogen, iron, and steel - with the goal of eliminating CO₂ emissions. Instead of coal, we use green hydrogen and fossil-free electricity, meaning our primary emissions will be water and heat. By 2030, our ambition is to produce 5 million tonnes of green steel annually in our fully integrated, digitized, and sustainable plant in Boden, Northern Sweden - currently under construction. But this is just the beginning. Our expertise in green hydrogen will enable us to decarbonize industries beyond steel, paving the way for a cleaner future. Our Stockholm Office Our modern Stockholm office is located on Norra Stationsgatan, close to Karolinska University Hospital in central Stockholm. Here, you’ll find a bright, collaborative workspace where cross-functional teams connect, share ideas, and drive progress. Whether you're visiting regularly or working hybrid, you'll be part of a vibrant office culture with easy access to the city’s energy and amenities.