Senior Software Engineer - Java

Mynt

About Mynt Mynt is an all-in-one corporate card and spend management platform on a mission to reinvent business banking. By combining smart software with cards and payments infrastructure, we remove manual, time-consuming admin from how companies manage spending. We’re growing fast across the Nordics and have secured significant funding to support our continued expansion in Sweden and internationally. Mynt is a tech-first, product-driven company where teams are empowered to solve real problems and build things that matter. We’re a licensed e-money institution, card issuer, and payment processor, operating under the supervision of the Swedish Financial Supervisory Authority. Through strong partnerships with leading players such as Fortnox and Nordea — and many more on the way — our solutions are now live across all Nordic countries. Joining Mynt means helping shape both a category-defining product and a company that’s still early in its journey. With 100+ colleagues (and growing), we’re building teams that value ownership, momentum, and customer impact. About the Role We are looking for talented developers who are passionate about building high-quality software and enjoy working in an entrepreneurial environment where you can truly influence both the product and the company’s direction. At Mynt, you will work in a modern codebase using the latest technologies, with a high level of ownership and responsibility from day one. You will join an ambitious and experienced team with backgrounds in scale-ups, finance, and consulting. We work in agile sprints, combining close collaboration with a strong sense of individual autonomy. As a Backend Developer, you will focus on building robust business logic and scalable APIs for both web and mobile applications, working closely with product managers in each domain. Our development process is rooted in agile principles, clean code, and CI/CD. Testing, TDD, and automation are integral parts of how we ensure quality and maintain speed. You will also contribute to architectural decisions and have the opportunity to help shape and build new products from an early stage, using technologies such as Java, MongoDB, MySQL, Redis, AWS, Docker, and CircleCI. Qualifications * Bachelor’s degree in Engineering, Computer Science, or equivalent experience * At least 1+ years of experience in backend development using Java * Ability to write clean, maintainable, and well-documented code * A collaborative mindset with a passion for solving problems as part of a team * Fluent in Swedish and English What we can offer you * Be part of an amazing team in a fast-growing scale-up. * Work closely with a fun, high-performing team. * Enjoy a flexible working environment with a great office location in central Stockholm. * Shape your own development and responsibilities based on your passion and interest. The position will be filled as soon as we find a suitable candidate. Please reach out to us as soon as possible if you believe this for you!

CreateFuture

Working at CreateFuture CreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with our clients, challenging what’s not working and helping them to build the future. Our commitment to craft, quality, and culture has helped us scale to over 600 people in just a few years. Our UK Benefits  * 35 days leave (including bank holidays).  * Private medical insurance. * Enhanced parental and adoption leave.  * Financial coaching + 5% pension match. * 40 hours of paid learning and development.  View our full list of UK benefits. CreateFuture is a Great Place to Work-Certified™ company and has won Best Workplaces UK multiple years in a row. Join us on our journey. Let’s create tomorrow, together, today. About the role and team: SENIOR BACKEND JAVA ENGINEER BUILD SOFTWARE THAT MATTERS. SHAPE THE FUTURE OF ENGINEERING. We're looking for an experienced Senior Backend Java Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role—you'll influence technical direction, mentor other engineers, drive architectural decisions, and help us embed AI and automation into the way we deliver value for our clients. You'll thrive here if you enjoy solving complex problems, challenging assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. WHAT YOU'LL DO As a Senior Backend Java Engineer, you will: * Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem. * Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices. * Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. * Champion engineering excellence through clean code, automated testing, documentation and code reviews. * Drive delivery across multiple initiatives while balancing speed, quality and commercial value. * Mentor engineers through coaching, pairing and constructive feedback, helping raise capability across the team. * Collaborate with cross-functional teams to solve problems together and deliver outstanding outcomes for clients. * Research and evaluate emerging technologies, frameworks and AI capabilities that improve how we build software. * Promote automation wherever possible, removing repetitive work so teams can focus on solving meaningful problems. * Contribute to a culture of continuous learning, innovation and technical excellence. WHAT YOU'LL BRING TECHNICAL EXPERTISE You'll have strong commercial experience with: * Modern Java (Java 8+) including Streams, Lambdas and Optional * Spring Boot and the wider Spring ecosystem * Spring Data JPA / Hibernate * Spring Security including OAuth2 and JWT * REST API design and implementation * Microservices and distributed system design * SQL databases with strong query optimisation skills * NoSQL databases * Messaging technologies such as Kafka or RabbitMQ * Docker and containerised application development * Cloud platforms (AWS, Azure or GCP) * CI/CD pipelines using tools such as Jenkins or GitLab CI * Git and modern software development workflows * Observability tooling including logging, metrics and distributed tracing * Comprehensive testing across unit, integration and functional layers * Maven or Gradle * Java concurrency and JVM performance fundamentals Experience with Spring Cloud, WebFlux or reactive programming would be advantageous. WHAT SUCCESS LOOKS LIKE You'll demonstrate: TECHNICAL EXCELLENCE & CRAFT MASTERY * Write clean, maintainable and highly optimised code. * Set high standards for quality, testing and documentation. * Coach others in engineering best practices and modern development techniques. ARCHITECTURAL LEADERSHIP * Design scalable, resilient and secure systems. * Make thoughtful architectural decisions that support long-term maintainability. * Evaluate new technologies and guide adoption where they add value. COMMERCIAL DELIVERY * Lead projects from discovery through delivery. * Understand client challenges and translate them into practical technical solutions. * Deliver outcomes that create measurable business value. LEADERSHIP & COLLABORATION * Lead engineering ceremonies and facilitate productive technical discussions. * Mentor and develop engineers across the team. * Communicate effectively with both technical and non-technical stakeholders. * Foster an environment where knowledge sharing and continuous improvement are part of everyday work. AI & INNOVATION * Explore and implement AI-driven approaches that improve engineering efficiency. * Champion responsible adoption of AI across delivery teams. * Help shape our engineering practices for the future. WHAT WE’LL OFFER YOU: We trust people to do their best work. That means flexibility over rigid rules, impact over activity, and real investment in your growth both professionally and personally. You’ll be part of a supportive, and friendly culture, surrounded by smart, curious people who care deeply about what they do. We offer flexible working, including hybrid and remote options. Our office hubs are located in Edinburgh, Leeds, Manchester, London and Bulgaria, with occasional travel to client sites or CreateFuture offices when needed. We trust you to manage your time balancing collaboration with client time and focused work. What matters is the impact you have, not how busy you look. OUR HIRING PROCESS We try to keep our hiring process clear, fair and respectful of your time. We aim to get back to everyone who applies and we will be upfront about where you are in the process. It usually looks like this: * Call with our Talent Acquisition Team  * Role specific capability interview  Depending on the role, we might also ask you to do a short presentation, a practical or technical task or have a values focused conversation. We will explain what is involved before anything happens. INCLUSION AT CREATEFUTURE  We believe diverse teams build better workplaces and better products. We want CreateFuture to be a place where people feel able to be themselves and do their best work. If you need any adjustments or support during the application process, just. We will do what we can to help. We look forward to your application!

Thoughtworks

Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard. For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements. JOB RESPONSIBILITIES * You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. * You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible. * You will drive the AI-first software delivery strategy by strategically integrating and utilizing AI tools throughout the development lifecycle to enhance productivity, ensure high-quality code and create capacity for more complex and creative problem-solving. * You will work in collaborative, value-driven teams to build innovative customer experiences for our clients. * You will create large-scale distributed systems out of microservices. * You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way. * You will apply the latest technology thinking from our Technology Radar to solve client problems. * You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development. * You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between. * You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills. JOB QUALIFICATIONS TECHNICAL SKILLS * You have experience Java language with experience in Object-Oriented programming. * You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming. * You bring an open and thoughtful mindset toward AI, proactively integrating AI-assisted tools and methods into technical workflows to boost productivity and explore innovative solutions. * You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban. * You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools. * Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker. PROFESSIONAL SKILLS * You enjoy influencing others and always advocate for technical excellence while being open to change when needed. * Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more. * You’re resilient in ambiguous situations and can approach challenges from multiple perspectives. OTHER THINGS TO KNOW LEARNING & DEVELOPMENT There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys. RESPONSIBLE USE OF AI IN RECRUITMENT At Thoughtworks, we use AI tools to support our recruitment team with administrative tasks such as drafting communications, scheduling interviews and writing job descriptions. Crucially, our AI tools do not screen, assess, rank or make hiring decisions. Every application is reviewed by our team and all selection decisions are made exclusively by our interviewers and hiring managers. We are committed to fairness and responsible AI. We actively manage our AI systems by testing, monitoring for biased outcomes and implementing mitigation measures. We hold our third-party vendors to these same high standards through a rigorous governance process. For additional information, please see our full Thoughtworks AI Policy for Recruitment. ABOUT THOUGHTWORKS Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re pushing boundaries through our purposeful and impactful work. For 30+ years, we’ve delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. Together, let’s be extraordinary. #LI-Onsite See here our AI policy.