Lead Software Engineer, Back-End

Posted Yesterday
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Belfast, County Antrim, Northern Ireland, GBR
In-Office
65K-80K Annually
Expert/Leader
Financial Services
The Role
Lead the design, development, testing, and maintenance of scalable backend software applications. Provide technical leadership through mentoring, code reviews, architectural decisions, and best-practice adoption. Collaborate with product, design, and stakeholders to define requirements, manage technical risks, and deliver secure, reliable solutions. Champion continuous integration, code quality, automated testing, data protection, and compliance while driving innovation and fostering a high-performing engineering culture.
Summary Generated by Built In

About us @Symphony

Secure. Connected. Intelligent.

Symphony is an AI-powered communication and technology company fueled by interconnected platforms: messaging, voice, directory and analytics.

Our end-to-end encrypted technologies enable over 1,400 institutions to accelerate AI impact, prioritize data security, navigate complex regulatory compliance and optimize business interactions.


Role Description:

We are seeking an experienced and driven Lead Software Engineer to join and guide our development organisation. In this role, you will take ownership of designing, developing, and delivering high-quality software solutions that align with our strategic goals. You will lead technical initiatives, mentor engineers, and work closely with cross-functional teams to ensure the successful execution of projects.

If you are passionate about technology leadership, architectural design, and fostering high-performing teams, we would love to hear from you!


Responsibilities:

  • Lead the design, development, testing, and maintenance of scalable software applications.
  • Provide technical leadership and guidance to software engineers through mentoring, code reviews, and best practice sharing.
  • Collaborate with product managers, designers, and stakeholders to define technical requirements and deliver robust solutions.
  • Drive architectural decisions, ensuring systems are secure, reliable, and scalable.
  • Proactively identify technical risks and implement effective mitigation strategies.
  • Champion software development best practices, including continuous integration, code quality, and automated testing.
  • Stay current with emerging technologies and drive innovation within the engineering team.
  • Ensure adherence to security, data protection, and compliance standards across all software deliverables.

Required Qualifications:

Technical Skills:
  • Proven expertise in Java programming, with strong architectural and system design skills.
  • Hands-on experience with modern frameworks and technologies (e.g., Spring Boot, Quarkus).
  • In-depth understanding of database systems such as SQL, PostgreSQL, MongoDB, Elasticsearch or similar.
  • Strong background in cloud services architecture and deployment (AWS, Azure, or Google Cloud).
  • Proficient with version control and collaborative development tools (e.g., Git, GitHub, GitLab).
  • Solid understanding of Agile development methodologies and DevOps practices.
Soft Skills:
  • Demonstrated experience in a senior/lead role on multiple software projects.
  • Excellent problem-solving skills and strategic thinking.
  • Strong communication skills with the ability to influence and align technical direction across teams.
  • Commitment to fostering an inclusive, collaborative, and high-performing engineering culture.
  • Proactive, self-driven, and passionate about continuous learning and improvement.
Education & Experience:
  • Master’s or Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • 10+ years of professional software development experience


Compensation:

  • Salary Range: £65,000 - 80,000 base salary per year
  • Bonus Plan

Benefits and Perks:

  • Regional specific competitive benefits
  • Build your own Benefits (BYOB) perk
  • Local events, team building, and development opportunities 

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.






Skills Required

  • Proven expertise in Java programming
  • Strong architectural and system design skills
  • Hands-on experience with modern frameworks and technologies such as Spring Boot or Quarkus
  • In-depth understanding of database systems such as SQL, PostgreSQL, MongoDB, Elasticsearch, or similar
  • Strong background in cloud services architecture and deployment using AWS, Azure, or Google Cloud
  • Proficiency with version control and collaborative development tools such as Git, GitHub, or GitLab
  • Understanding of Agile development methodologies and DevOps practices
  • Experience in a senior or lead role on multiple software projects
  • Excellent problem-solving and strategic-thinking skills
  • Strong communication skills with the ability to influence and align technical direction across teams
  • Commitment to fostering an inclusive, collaborative, and high-performing engineering culture
  • Proactive, self-driven approach and commitment to continuous learning and improvement
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field, or equivalent experience
  • 10+ years of professional software development experience

Symphony Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Symphony and has not been reviewed or approved by Symphony.

  • Flexible Benefits Feedback suggests a distinctive “Build Your Own Benefits (BYOB)” stipend/allowance is available alongside core regional benefits, enabling more individualized choices. Benefits are also framed as region-specific and competitive, implying structured options adapted to local norms.
  • Healthcare Strength Healthcare and benefits components are portrayed as a relative bright spot, with strong marks for the benefits package in the U.S. Core coverage such as health insurance is consistently indicated as part of the overall offering.
  • Leave & Time Off Breadth Time-off provisions are positioned as generous, including references to uncapped/unlimited PTO and observed holidays. This can translate into stronger perceived flexibility when usage norms align with team expectations.

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The Company
HQ: New York, NY
690 Employees
Year Founded: 2014

What We Do

Symphony is the most secure and compliant markets’ infrastructure and technology platform, where solutions are built or integrated to standardize, automate, innovate and liquefy financial services workflows. The Symphony platform is a vibrant community of over half a million financial professionals from 1300+ market participants underpinned by a trusted directory and omnichannel interactions across chat, voice, web, meetings and more. Symphony powers over 2,000 community-built applications and bots. Symphony was founded in October 2014 and is headquartered in New York City, with offices in London, Palo Alto, Hong Kong, Singapore, Tokyo, Stockholm, and Sophia-Antipolis.

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