Software Engineer, Senior in Belfast

The Senior Software Engineer will play a key role in strengthening and modernizing aPriori’s legacy product portfolio, with a focus on our best-in-class automation solutions. Working with a distributed team of engineers, you will design, develop, and evolve complex enterprise applications that power our manufacturing insights platform. This role combines hands-on software development with technical leadership, balancing new feature delivery, modernization efforts, and quality improvements.

Our technology stack includes Java with Spring Boot, PostgreSQL, REST APIs, React/TypeScript, Redis, and Docker, all deployed in AWS. Experience with containerized, distributed SaaS applications is essential, along with the ability to mentor and guide teams toward best practices in design, testing, and delivery.

Responsibilities

• Lead technical design and implementation of new product features and enhancements.
• Modernize and refactor existing codebases for scalability, maintainability, and cloud readiness.
• Provide day-to-day technical direction and mentorship for a mixed team of internal and contract developers.
• Collaborate with product and architecture teams to ensure consistent technical alignment across applications.
• Provide clear and concise progress updates, risks, and trade-offs to management to support informed decision-making.
• Clearly articulate complex technical concepts to non-technical stakeholders and management.
• Build and maintain automated CI/CD pipelines using Docker and Kubernetes.

• Working knowledge of Docker and AWS-based SaaS environments.
• Strong understanding of code quality practices, including unit testing, CI/CD automation, and automated code scans for both quality and security.
• Skilled in PostgreSQL and Redis in production systems.
• Experience designing or building analytical / reporting APIs, including considerations like data aggregation, query performance, and consumer-friendly response shaping, is a plus.
• Familiarity with API Gateway concepts and patterns (e.g.: routing, rate limiting, auth delegation).
• Experience with customer-facing, productized APIs and the platform underpinnings that support them is a plus.
• Familiarity with modern workflow orchestration tools (e.g. Apache Airflow, Temporal, etc) for managing and automating data or processing pipelines is a plus.
• Self-starter with the ability to work as part of a global project team

Education and Experience

• 7+ years of professional software engineering experience.
• 3+ years of hands-on experience with Java and Spring Boot.
• 3+ years of React / JavaScript / TypeScript development experience.
• Bachelor’s degree in Computer Science or a related field.

aPriori Offers

A team environment where your experience is valued, your voice is heard, and the work that you do makes an impact for our customers and employees.

aPriori offers competitive compensation and unique benefits including pension match, private medical & dental, flexible time off, aPriori days, and more in a dynamic, growing, innovative environment!

About aPriori

Founded in 2003, aPriori is disrupting the industry’s status quo with groundbreaking work helping manufacturers digitally transform their businesses. Through our unique, patented, intellectual property, we enable manufacturers to accelerate product design, and bring products to markets faster while providing visibility to the sustainability of their design and manufacturing choices. Our impact is profound - our customers save millions of dollars each year, accelerate time to market, all while creating a better world for future generations. Though we are an established software firm, through our continued growth, we have maintained the dynamic, collaborative nature of a start-up.

With a global presence, including North America, Europe, Asia, and India, we encourage an inclusive work environment and support employees’ growth through education, training, wellness, and other programs. As our greatest asset, employees’ contributions are acknowledged through monthly company-wide meetings, often with promotions and awards. We promote a positive work culture, employee-friendly policies, flexible work schedules, and an additional day off each quarter known as “aPriori Day”.

Interested in joining our team? We continue to build an organization highly talented, self-motivated individuals. Our unique environment empowers employees to bring their best selves each day, asking, “How can I do better?” and then exceeding expectations. We work together towards a common goal. We nurture and celebrate each other’s successes. Employees embrace opportunities to build new skills as well as step into leadership positions where they are supported and mentored by the Senior Leadership team to grow into impactful individual contributor roles or to effectively manage teams. Innovation, adaptability, and a desire to increase your value are essential. If you possess these qualities, we want to hear from you!

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