Напиши текст вакансии для должности "Senior Java Developer (payment system), remote". Название компании: "Paysend". Расположение: Москва. График работы: Гибкий график. Опыт работы: Более 6 лет. Ключевые навыки: 'Английский язык', 'Java', 'Linux', 'Java SE', 'ORACLE'

Paysend is a FinTech company looking to change the way that money is moved around the world. Over the past few years we’ve grown quickly, amassing over 4 million customers in over 90 countries, and we are one of the fastest growing money transfer companies in the industry, with over 4,000 new customers per day. We’re on the hunt for a Senior Java Developer to join the Development team, either in Moscow or remotely, to provide support in improving our products with passion, innovation and out-of-the-box thinking. You’ll be helping to develop Paysend’s payment processing system, creating an even more seamless money transfer experience for our users. To be successful in this role, you’ll need a highly analytical mind, and a close attention to detail. We have a flat structure at Paysend, and you’ll be expected to share your ideas and opinions about how we can keep improving. As we continue to grow and innovate, you’ll be challenged constantly, and no two days will be the same!   Key Responsibilities:  ● Development of the server-side of the payment processing system (highly loaded).● Technical activating of Russian and international partners to the processing system.● Optimizing system performance based on a constantly changing environment. Skills/Competencies: ● 3+ years of experience with Java SE 8 / Servlets / JDBC / ActiveMQ / Elasticsearch / Oracle / Redis● Fluent knowledge of data structures and algorithms;● Development experience with multithreaded systems;● Advanced knowledge of cryptography concepts, libraries, and algorithms;● Experience with database architecture development and writing DML queries;● Understanding ACID principles;● Fluency in Linux;● Written English skills. Nice to have● Working experience in FinTech/Banking companies;● Fluent English;● Performance optimization skills;● Experience with ORACLE. Benefits: ● Official employment from the first day in the company; ● Remote work or atmospheric office in the center of Moscow (at your choice); ● Flexible working hours, schedule 5/2; ● Loyal vacation system; ● Corporate English courses (entirely at the expense of the employer); ● Work in a russian-speaking team; ● Annual corporate events.   Company Description: Paysend was born in April 2017 with the vision to change the way people manage their everyday finances. We were the first fintech company to introduce a global card-to-card transfers to connect 12 billion cards issued by international payment systems: Mastercard, Visa, China Union Pay and local cards schemes. Now with over 5 million customers sending money to over 120 countries and a 4.8/5 Trustpilot score, Paysend is one of the most popular and trusted online money transfer services in the world. Why Paysend? We’re looking for people who share our passion for innovation, buy into the Paysend ethos and will add value to our team. When you join Paysend, you’ll have the chance to grow and develop as the business does. We believe in empowering people to be successful in their jobs, and we pay them fairly for their expertise. We give everyone the context and tools to operate as business owners, and encourage our people to contribute with their hearts, their minds and their creativity. In the fast paced FinTech industry the Paysend journey may not always be easy, but our innovation strategy is promising and exciting. We employ the right people to help us steer the business towards success and global influence.