Staff Software Engineer

Parser; Welwyn Garden City; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Hybrid working environment

Competitive compensation

Job summary

Parser is seeking a Staff Backend Engineer in Welwyn Garden City (hybrid) to drive a next-generation customer fulfillment platform. You will design, build, and optimize high-performance microservices and distributed systems, applying event-driven architectures and latency management to achieve top throughput.

A strong emphasis on API development, testing, and collaboration with cross-functional teams is required.

Qualifications

• Proven experience with Java, Spring Boot and microservices design.
• Experience with Kafka and event-driven architectures.
• Strong SQL/NoSQL knowledge (PostgreSQL, Couchbase).
• Cloud and container tech experience (Azure, Docker, Kubernetes).
• Familiarity with CI/CD and Agile methodologies.

Responsibilities

• Architect, build, and optimize high-performance microservices and distributed systems.
• Provide technical leadership on greenfield software initiatives.
• Apply asynchronous messaging and latency management to ensure high throughput and reliability.
• Develop and integrate APIs and microservices with enterprise platforms.
• Diagnose and resolve complex issues in real time to ensure operations.
• Leverage Agentic AI tools to improve developer workflows.
• Collaborate with cross-functional teams to align software with operational goals.
• Mentor junior engineers and promote engineering excellence.

Job description

Who is Parser?

Technology alone does not create impact-the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement.

We are a fast-growing team of 340+ engineers and consultants across Europe (UK, Spain, Portugal), the Americas (US, Argentina, Uruguay, Colombia), and the Middle East. We combine global reach with a mindset focused on agility, senior expertise, and close collaboration.

We work as an extension of our clients' teams, helping them define the right problems, shape solutions, and deliver technology-driven outcomes that create measurable business value. Our expertise spans software engineering, AI & data, product development, and customer experience, delivered by teams that combine strong technical depth with a consulting mindset.

Why Join Us?

If you are looking for a place where you can think beyond execution, take true ownership of outcomes, influence decisions, and continuously learn alongside top-tier specialists in a truly global environment, we'd love to meet you.

How will you impact?

As a Staff Backend Engineer at Parser, you will join a strategic greenfield program driving the design, development, and implementation of a next-generation customer fulfillment platform. You will build high-performance microservices, apply deep expertise in asynchronous messaging and latency management, and exert holistic decision-making influence to establish core technical standards and optimize warehouse operations.

Your key responsibilities:

Your responsibilities include, but not limited to:

• Architect, build, and optimize high-performance microservices and distributed systems for mission-critical services.
• Exert holistic technical leadership across greenfield software initiatives, establishing clear design pattern rationale and technical quality standards.
• Apply deep expertise in asynchronous messaging, event-driven architectures, and latency management to achieve high throughput and reliability.
• Develop and integrate APIs and microservices with enterprise API and third-party platforms while maintaining clean, maintainable, and well-documented code.
• Diagnose and resolve complex technical issues in real-time to ensure uninterrupted operations.
• Utilize modern Agentic AI platforms (such as Tab 9 and Gemini) to streamline developer workflows and maintain lean team efficiency.
• Collaborate closely with on-site operations teams, cross-functional teams, hardware specialists, and data scientists to align software design with operational objectives.
• Mentor junior engineers and foster a culture of continuous improvement and engineering excellence.

What you'll bring to the role:

• Deep core fluency in Java 21, modern functional idioms, Spring Boot, and performance patterns.
• Extensive experience with Apache Kafka, asynchronous messaging, event-driven architecture, and low-latency considerations.
• Strong knowledge of SQL and NoSQL platforms, specifically PostgreSQL and Couchbase.
• Hands-on experience with cloud and container technologies including Azure, Docker, and Kubernetes.
• Proven experience building and supporting reliable, operationally robust full-stack and distributed Java products using Agile methodologies.
• Demonstrated ability to identify and apply appropriate design patterns (such as CQRS and eventual consistency), practice TDD, and model complex problem domains.
• Practical understanding of CI/CD pipelines (e.g., Azure Pipelines, GitHub Actions, Jenkins) and automated development practices.
• Experience or adaptability with modern Agentic AI tools (such as Tab 9 and Gemini) to enhance developer productivity.
• Previous experience contributing within globally distributed software engineering teams.
• Hands-on experience with monitoring and observability tools such as Splunk, AppDynamics, or New Relic.

Location:

Welwyn Garden City: The role requires three days a week at the office (Hybrid working model).

You will receive:

• The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built.
• The opportunity to be part of an amazing, multicultural community of tech experts.
• A highly competitive compensation package.
• A flexible and hybrid working environment.
• Medical insurance.

Parser is committed to fostering an inclusive workplace and providing equal employment opportunities to all applicants regardless of race, religion, gender, sexual orientation, age, disability, or any other protected characteristic under applicable law.

If you require reasonable accommodations during the recruitment process, please let us know and we will work with you to support your participation.

By applying to this role, you acknowledge that your personal data will be processed in accordance with Parser's Privacy Notice for recruitment purposes.

Parser may use AI-assisted tools during certain stages of the recruitment process to support operational efficiency. Our recruiting teams use AI to streamline note-taking and scheduling. All hiring decisions are made by people, with human review and oversight.