Software Engineer III

Full Stack Software Engineer III

At Forrester, we're trusted to work on trailblazing, mission critical problems that business and technology leaders face today. That's why we're always looking to empower talented individuals to perform at their best every single day. We're proud of our community of smart people and vibrant voices who come together to do what's right by our clients and each other. Our success is driven by curiosity, courage and customer obsession. The confidence and drive to be bold at work. Join us and build an extraordinary future.

About This Role:

As a Full Stack Software Engineer III, this individual is an accomplished team contributor demonstrating strong competency in technical skill, collaboration, and growing mentorship. This individual works across the full software development lifecycle with ownership, curiosity, urgency, and creativity. This individual will reliably execute implementation and architectural guidance, taking responsibility for the quality, sustainability, and outcomes of the services and features delivered.

The successful candidate will apply sound technical judgment and contextual awareness to decision-making, tackling problems with curiosity and creativity to deliver scalable, maintainable solutions. The candidate will balance speed with engineering excellence and demonstrate urgency in delivering customer value. Through clear communication and active collaboration, this individual will strengthen shared engineering standards and help elevate team performance. This individual will proactively identify risks, improve systems, and support closure of priority work to drive collective success.

Typical experience for this level is three to six years of engineering work.

Job Description:

Design and implement features across the stack using sound architectural and implementation practices.

Deliver high-quality, defect-free code by anticipating issues and contributing effectively to code reviews.

Participate in system-level design discussions by identifying risks, dependencies, and areas for improvement.

Engage in agile SDLC processes, contributing to planning, execution, and continuous improvement.

Communicate clearly across technical and nontechnical audiences to support alignment and informed decision-making.

Collaborate with teammates to remove blockers and improve team performance, providing story-level knowledge transfer and support.

Job Requirements:

Experience And Impact

Three to six years developing enterprise-grade software solutions.

Demonstrated performance as an accomplished team contributor with competency in technical depth, collaboration, and emerging mentorship.

Ability to actively contribute to code reviews, support implementation decisions, and participate in design discussions.

Experience across the full SDLC: design, implementation, testing, deployment, and maintenance.

Technical Skills (Tech Stack)

Strong experience with Java and Spring Boot.

Experience with Python for services or automation.

Proficiency in modern JavaScript and React.js; React Query preferred.

Experience with microservice or micro-frontend architectures.

Hands-on experience with SaaS solutions.

Experience with SQL.

Proficiency in Git and collaborative workflows.

Ways Of Working

Comfortable participating in refinement, planning, stand-ups, demos, and retrospectives.

Strong cross-team collaboration habits across engineering, product, design, and operations.

Ability to articulate user value and business context behind engineering decisions.

Preferred Qualifications

Experience with OpenSearch (or Elasticsearch) and/or Neo4j.

Experience with distributed or event-driven systems.

Familiarity with observability tools and performance tuning.

Experience in a data-rich SaaS or platform environment.

Contributions to engineering standards, tooling, or internal libraries.

We're a network of knowledge and experience leading to richer, fuller careers. Here, we're always learning. Whether you want to hone your strengths or discover new ones, Forrester is the place to go for it. It's a place where everyone is given the tools, support, and runway they need to go far. We'll be right there beside you, every step of the way.

Let's be bold, together.