Senior Software Engineer

The ideal candidate will be responsible for the end-to-end delivery of high-quality, scalable web applications. You'll collaborate closely with product managers, designers, and other engineers to translate complex business needs into elegant, reliable, and well-documented solutions. Your expertise will be crucial in building and maintaining the core of our platform.

About the project:

Our client is a U.S.-based software company specializing in defense analytics. Its flagship platform leverages artificial intelligence and integrated data to modernize and accelerate the defense acquisition process. The company works closely with teams across supply chain, science and technology, production, sustainment, logistics, and modernization, providing data-driven capabilities that enable faster and more informed decision-making. It positions itself as a strategic partner to the U.S. government in national security and defense.

Other:

Requires US citizenship and hybrid work from the Newton office at least 2 days per week, with occasional travel to Pittsburgh.

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• 8+ years of professional software development experience, with 3+ years in a senior or lead role.
• Proven experience as a technical leader or architect, responsible for the design and deployment of complex, scalable systems.
• Deep expertise in Java (version 17+ is a significant requirement), with a strong understanding of concurrency and performance optimization.
• Extensive experience with a modern framework like Quarkus (Reactive) or Spring Boot.
• Mastery of PostgreSQL or other relational databases, including advanced schema design and performance tuning.
• Expertise with Hibernate or a similar ORM framework.
• Demonstrated experience designing and implementing highly performant RESTful APIs and microservices.
• Solid understanding of the React frontend stack and the ability to collaborate effectively with frontend developers.
• Expert proficiency with Git for complex version control.
• Proven experience with DevOps principles, CI/CD pipelines, and cloud environments (AWS, GCP, or Azure).
• Experience with containerization and orchestration (Docker, Kubernetes).
• Familiarity with reactive or functional programming concepts.
• Experience with system monitoring and observability tools.
• A track record of mentoring junior developers or leading technical initiatives.

Responsibilities:

• Lead the technical vision and architecture for the project, making key decisions on system design, technology selection, and scalable solutions.
• Mentor and guide a team of developers, fostering a culture of technical excellence, collaboration, and continuous improvement.
• Design, develop, and maintain robust, high-performance backend systems using modern Java frameworks and reactive principles.
• Spearhead backend development efforts, including the architecture of microservices, design of complex APIs, and integration with distributed systems.
• Oversee and optimize database schema and queries in PostgreSQL to ensure data integrity and system performance.
• Drive code quality standards through comprehensive code reviews, enforcing best practices for security, reliability, and maintainability.
• Collaborate closely with product and frontend teams to translate business requirements into technical specifications and deliver high-impact features.
• Act as the primary technical point of contact for the project, debugging complex issues and providing expert-level support for production environments.

What we offer

WORK:

• Flexible working hours;
• Collaborative, friendly team environment;
• Remote/Hybrid work;

LIFE:

• Company social events;
• Annual corporate parties;

HEALTH:

• Comprehensive medical insurance;

EDUCATION:

• Allowances for professional education;
• English language courses with native speakers;
• Internal knowledge-sharing sessions.

Proxet is a professional software development firm trusted by clients from around the world. With our expertise in AI and machine learning, we help businesses reimagine their possibilities and transform ideas into tangible digital solutions. By providing core services with an emphasis on data practices, we shape the future, one step at a time.