Java Engineer

Adyen

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.  For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. As a Java Developer You'll have the opportunity to: - Work in a platform which process tens of millions payments per day - Be involved in solutions to provide payments solution to the world's leading companies such as: Meta, Uber, IFood, 99app, Magalu, Spotify and many more - Integrate to mostly used payment methods in the world, ex.: Visa and Mastercard, but not limiting to those What you’ll do * Build the global payments engine of the future and ensure that Adyen customers remain at the forefront of innovation. * Take ownership of systems, features, or frameworks—ranging from medium complexity to large-scale initiatives—ensuring timely delivery, quality, and alignment with project goals. * Collaborate effectively with your team and across teams, helping to unblock challenges and mentoring less experienced engineers. For larger systems, you’ll lead discussions and guide others through the development lifecycle. * Design and implement elegant, scalable solutions to complex problems, balancing simplicity with performance. Your work will align with team objectives while minimizing operational overhead and setting new standards where applicable. * Proactively identify opportunities for improvement, including addressing technical debt. Depending on scope, you may lead or contribute to cross-team initiatives to elevate the overall quality and reliability of our systems. * Monitor and troubleshoot your systems in production, ensuring consistent behavior and addressing issues promptly. You’ll contribute to or lead incident responses, sharing learnings to improve processes across the organization. Who you are * At least 3 years of experience with Java development. * Able to communicate in English and Portuguese (Both fluent). * You bring strong expertise in Java and related technologies, with a solid grasp of design patterns, testing, and debugging. Your solutions reflect your depth of knowledge, whether you're solving individual tasks or setting architectural standards. * You share knowledge generously, offering meaningful feedback in code reviews and mentoring peers. You may inspire others with your ability to lead initiatives or guide team members through complex challenges. * You understand customer needs and business goals, translating them into impactful, high-quality solutions. You’re comfortable prioritizing work that aligns technical priorities with business outcomes. * You articulate ideas clearly to technical and non-technical stakeholders. Your documentation is concise and actionable, enabling others to build upon your work independently. * You decompose complex problems into actionable tasks with accurate time estimates, coordinating work effectively. For broader initiatives, you’ll take the lead to ensure smooth execution and alignment across teams. * This role is based out of our Sao Jose dos Campos office (3 days in person). Our Diversity, Equity and Inclusion commitments  Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen.  Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.

Explipro Group AB

Senior Java Engineer – Build the Future in the Cloud As a Senior Java Engineer at Explipro, you’ll be right at the heart of designing, building, and optimizing cloud-native applications that power real-world solutions. We work with Java, Spring Boot, and top-tier cloud platforms like AWS and Azure to deliver systems that are scalable, secure, and future-proof. This isn’t just about writing code – it’s about shaping architecture, influencing technical decisions, and delivering value that clients can see and feel. You’ll collaborate closely with other engineers, designers, and stakeholders, ensuring every solution is as elegant as it is effective. What You’ll Be Doing Create & innovate – Design and develop modern cloud-based applications with Java and Spring Boot. Streamline delivery – Build and maintain CI/CD pipelines to keep deployments smooth and efficient. Collaborate – Work with cross-functional teams to bring features from concept to launch. Solve big challenges – Troubleshoot complex technical problems and find solutions that stick. Elevate quality – Participate in code reviews and champion best practices. What We’re Looking For 7+ years of professional Java development experience. Solid understanding of CI/CD tools and processes. Hands-on experience with AWS, Azure, or Google Cloud. Strong English communication skills, written and spoken. Degree in Computer Science or related field. Problem-solving mindset and an eye for detail. Why You’ll Love Working Here At Explipro, we keep things helpful, simple, and human. We value integrity, transparency, and genuine teamwork. Here, you’ll find: A supportive, growth-oriented culture. Competitive salary and great benefits. Flexible work conditions to suit your life. Continuous learning opportunities.

Hawk-Eye Innovations

Senior Java Engineer Salary Banding: HUF 1.5M - HUF 2.2M per month Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Location: Budapest Join Our Team as a Senior Java Engineer at Hawk-Eye Innovations Hi, I’m Peter Laszlo, Backend Discipline Lead and hiring manager for this role. I’m excited to invite you to apply for the Senior Java Engineer position in our Data and Platforms Value Stream at Hawk-Eye Innovations. If you're passionate about building scalable backend systems and want to work on high-impact projects for sports around the world, this could be the ideal role for you. What Your Day Will Look Like As a Senior Java Engineer in our team, you'll play a key role in designing, developing, and optimizing data-intensive backend services that power live events. Our team is responsible for managing data feeds, event-driven processing, and cloud-based infrastructure to deliver real-time insights to global leagues and partners. You’ll work in an agile environment, collaborating with engineers across our backend team. Given the high-profile nature of our work, we operate in a fast-moving environment where efficiency and scalability are key to success. What We Value At Hawk-Eye, we believe in collaboration, ownership, and innovation. We strive to create an environment where engineers can contribute meaningfully, solve challenging problems, and improve their skills. Given the pace of work, we value engineers who can hit the ground running, take initiative, and contribute to mission-critical projects from day one. Key Responsibilities * Develop, optimise, and maintain backend services using Java (Spring Boot) * Contribute to design decisions for new and existing projects * Deploy and scale applications in AWS (ECS, Lambda, S3, DynamoDB, etc.) * Enhance system observability, ensuring real-time monitoring and logging using tools like Datadog * Work on event-driven architectures, leveraging message queues (Pulsar, Kafka, RabbitMQ, SQS, etc.) * Collaborate with engineers, stakeholders and external partners to meet high-impact project deadlines * Ensure system reliability and performance in high-traffic, real-time environments Tech Stack and Skill Requirements Required: * Strong Java 17 & Spring Boot experience * Knowledge of cloud platforms (AWS preferred) * Familiarity with observability tools (e.g., Datadog, Prometheus, OpenTelemetry) * Experience with microservices and distributed systems * Understanding of monitoring, logging, and traceability * Ability to work efficiently in a fast-paced environment Bonus Skills: * Experience with event-driven architectures (Kafka, RabbitMQ, SQS, etc.) * Knowledge of CI/CD pipelines and automation (GitHub Actions, Terraform) * Familiarity with containerisation and orchestration (Docker, Kubernetes) * Exposure to real-time data processing and sports tech Reward, Benefits, and Wellness * Annual Leave: Standard according to local labour law * Flexible Working: Hybrid model (2 days in the office per week) * Exclusive Perks: Access to sporting events and tickets, Sony Group Company discounts * Additional Benefits: Cafeteria options (SZÉP Card, Nursery & Kindergarten contributions, Annual MOL Bubi Pass), private medical insurance, life & accident insurance, dental clinic discounts, seniority awards, an Employee Assistance Program, and the option to purchase an "All You Can Move" Pass Equal Opportunity Employer Hawk-Eye is committed to fostering an inclusive and diverse workplace. We ensure all employees are treated fairly, regardless of gender, marital status, race, nationality, religion, age, disability, or union membership status. We value diversity and strive to create an environment where everyone can reach their full potential. Apply Today! This is a fantastic opportunity to join Hawk-Eye Innovations and make a significant impact in football technology. If you're looking for a role where you can solve real-world problems at scale, we’d love to hear from you!