Software Engineer, Full Stack Developer, Backend Developer

Overview

Data Serv / xFact is seeking a Full Stack Developer to join our engineering team. In this role, you will design and deliver scalable, high-performance solutions across the full application stack—from API gateways and identity management to relational and analytics databases to modern frontend interfaces. You will contribute to both greenfield development and the continued evolution of existing systems within a Dev Sec Ops  environment.

The ideal candidate is a self-directed professional who thrives with autonomy, can take ownership of a task, and drive it to completion. This role is hybrid; qualified candidates must be available to spend a portion of their workweek in our North Andover office.

Why You’ll Love Us

We care, we coach, we lead. Data Serv, founded in 1986, emphasizes culture, collaboration, flexibility, and internal mobility. We offer a competitive compensation plan including paid holidays, PTO, discretionary bonuses, 401K (with match), medical, dental, vision, life, short- and long-term disability benefits, and other inclusive benefits and perks.

For almost 40 years, Data Serv’s primary mission has been to provide managed technology solutions and services to the public and commercial sectors. We champion the concept of Technology as a Utility so that customers can buy what they need without investing in infrastructure. We strive to align goals, build trust, and add value to exceed customer technology expectations.

xFact, Inc. is a rapidly growing company serving many government agencies. We are a team of passionate and driven individuals committed to building innovative products and services for the public sector in a collaborative work environment.

• team player
• excellent written and verbal communicator
• tech savvy
• strategic thinker
• service oriented
• motivated
• self-disciplined
• professional
• flexible in a fast-paced environment
• works independently with minimal supervision
• exhibits strong work ethics
• detail oriented
• handles demanding situations/timelines
• organized
• responsible/dependable
• willing to receive/provide feedback to improve performance
• supportive

• Application Development
• Design, develop, and implement highly scalable components using Java, Golang, and Spring/Spring Boot.
• Build and maintain RESTful APIs and integrate with API gateways (Kraken
  
  D).
• Develop modern frontend experiences using Vue.js, Thymeleaf, and Datastar.
• Implement and maintain identity and access management solutions using Keycloak.
• Work with message queuing systems (Rabbit
  
  MQ/AMQP) for asynchronous processing.
• Write clean, efficient, and well-documented code with comprehensive unit and integration tests.
• Database Management
• Work effectively with SQL Server, Postgre
  
  SQL, and Click House—writing efficient queries, understanding execution plans, and collaborating with the DBA on schema and performance considerations.
• Optimize and maintain legacy systems; troubleshoot and debug applications.
• Testing and Deployment
• Develop and maintain automated tests to ensure product quality.
• Deploy containerized applications and configure NGINX for web serving and reverse proxy.
• Monitor the performance of live applications and make necessary adjustments.
• Team Collaboration
• Collaborate with internal teams and vendors to fix and improve products.
• Take ownership of tasks and drive them to completion with minimal supervision.
• Document development phases and participate in the entire application lifecycle.

• Education
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• Experience
• 3-5 years in Software Engineering
• Proven experience as a Full Stack Developer or similar role.
• Strong proficiency in Java and/or Golang with Spring/Spring Boot framework experience.
• Experience with JavaScript frameworks, particularly Vue.js; familiarity with Thymeleaf and Datastar.
• Hands-on experience with API gateways (Kraken
  
  D preferred) and identity providers (Keycloak preferred).
• Experience with relational databases (SQL Server, Postgre
  
  SQL) and analytics databases (Click House).
• Familiarity with message brokers (Rabbit
  
  MQ/AMQP) and web servers (NGINX).
• Experience…