Senior Java Software Engineer/Technical Lead

MailGate SC; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

MailGate SC in the United States is seeking a hands-on senior Java engineer and technical lead to help build the next versions of a security software product. The role spans backend features and business logic, with some UI changes, and includes shaping designs and guiding implementation with the team.

This remote role offers flexible work-from-home options, and occasional in-person meetings near Sofia, Bulgaria, with career development opportunities.

Qualifications

• Minimum 5 years of professional software development experience.
• Strong Java OOP skills and working knowledge of C++.
• Experience with multithreading, concurrency, and Java profiling.
• Network programming experience and familiarity with Linux distributions.
• Understanding of cryptography basics and established software engineering practices.
• Excellent written and spoken English.

Responsibilities

• Lead design and development for software features and platform components.
• Implement backend functionality and business logic, with UI changes as needed.
• Review requirements and advise on technical approaches, risks, and delivery estimates.
• Maintain a flexible, robust architecture as business needs evolve.
• Apply engineering best practices and collaborate to solve problems.

Skills

Java

C++

Multithreading

Network programming

English communication

Job description

Role overview

Help build the next versions of a security software product as a hands‑on senior Java engineer and technical lead. The work spans backend features and business logic, with some user interface changes, and includes shaping designs and guiding implementation with the team.

Responsibilities

• Lead design and development work for software features and platform components.
• Implement backend functionality and business logic, and make changes to the user interface as needed.
• Review business requirements and advise on technical approaches, risks, and delivery estimates.
• Help maintain a flexible, robust architecture as business needs evolve.
• Apply sound engineering practices and collaborate with teammates to solve problems.

Requirements

• At least five years of professional software development experience.
• Strong Java and object-oriented programming knowledge, plus working knowledge of C++.
• Experience with multithreading, concurrency, and Java profiling.
• Network programming experience and familiarity with Linux distributions.
• Understanding of basic cryptography and established software engineering practices.
• Strong analytical skills, independence, and very good written and spoken English.

Nice to have

• Experience with design patterns and reusable software design, strong estimation skills, or a computer science degree or equivalent.

Benefits and work setup

This is a remote role, with a preference for candidates near Sofia, Bulgaria for occasional in‑person meetings. Flexible work-from-home options and career development opportunities are offered.