Senior Software Development Engineer (Java + UI)

About Akvelon
🌎 Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.
About the project:
Mainsail is Tideworks Technology's flagship Terminal Operating System (TOS) — a comprehensive platform powering container and Ro-Ro terminal operations worldwide. It covers end-to-end workflows including import/export/transship processing, gate transactions, EDI, billing & invoicing, and the customer-facing Forecast® web portal. Mainsail integrates with automated gate systems, OCR, RFID, financial/ERP platforms, and data analytics tools — making quality and reliability across a broad integration surface absolutely critical.
Akvelon is looking for a Senior Engineer to join an existing enterprise client project. This role is ideal for a strong software engineer who can take ownership of the backend and integration layer, while also contributing to high-load systems and performance-critical tasks.
Requirements:
Java 11/17 + Spring / Spring Boot: strong hands-on expertise, including memory management and performance tuning.
React: confident enough to contribute to the UI layer when required.
Oracle: solid practical experience.
Unit testing: strong hands-on experience and a quality-focused engineering mindset.
English: good spoken English and strong communication skills.
Strong problem-solving skills and the ability to work independently in a complex enterprise environment.
Experience working with high-load and performance-sensitive applications is highly desirable.
Curiosity and a willingness to dive deep into the project: someone who is genuinely interested in understanding the system, business context and technical challenges rather than focusing only on assigned tasks.
Result-oriented mindset: a strong focus on delivering tangible outcomes, taking ownership and driving tasks through to completion.
Benefits:
Paid vacation and sick leave
Official state holidays
Professional growth through challenging projects and the opportunity to master new technologies
Flexible working schedule: 8 hours per day, 40 hours per week
Personal Career Development Plan (CDP)
Employee support programs (discounts, healthcare, legal assistance)
Paid external training, conferences, and professional certifications aligned with business goals
Internal workshops, seminars, and English classes
Apply now and join Akvelon to work on a challenging enterprise project where your expertise can make a real impact 😊

Work arrangement
Yes