Apex Software Engineer

JR United Kingdom; London; Hybrid; GBP 80,000 - 90,000; Full time

Job summary

A high-growth technology-led business is looking for a Senior Developer with significant Salesforce and API experience to join their expert technology team. The role involves architecture, development, and providing technical leadership within a hybrid/remote work environment, offering competitive compensation and growth opportunities.

Qualifications

• Minimum 7 years’ experience with Salesforce.
• Proven experience in REST APIs.
• Background in Financial Services or FinTech.

Responsibilities

• Lead design and development of application components.
• Maintain Salesforce configuration and develop APIs.
• Manage software development lifecycle and mentor junior developers.

Skills

Salesforce administration and configuration

Developing and consuming REST APIs

Architecture

Project management

Communication skills

Tools

Tableau

AWS

Data warehouse platforms

Job description

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**MUST HAVES's - Significant Apex & Salesforce Experience with Java foundation** - you have to be a coder.

Job Title: Senior Developer

Salary - 80-90k + Bonus

Location: Hybrid / Remote

Contract Type: Full-Time

Department: Technology

Overview

This is an exciting opportunity to join a high-growth, technology-led business and contribute directly to the ongoing evolution of a proprietary enterprise system. Reporting to the Technology Director and working closely with the Chief Architect, you will be an integral member of a small but expert technology team.

Key Responsibilities

Architecture & Technical Design

• Lead the design and development of scalable and secure application components.
• Translate business and functional requirements into well-structured technical solutions.
• Serve as a subject matter expert across several in-house and partner platforms.
• Evaluate and integrate third-party APIs into our existing architecture.
• Collaborate with business analysts and technical team members to ensure solutions align with strategic goals.

Development

• Maintain and expand Salesforce configuration including user and security model, custom fields, objects, and automation.
• Develop and consume REST APIs to facilitate integration with external platforms.
• Ensure high test coverage and performance by writing unit and integration test cases.
• Troubleshoot and resolve technical issues with a focus on long-term sustainability.

Project Management & Team Support

• Lead or contribute to the full software development lifecycle: requirements, design, development, testing, and deployment.
• Manage technical tasks, risks, and dependencies across multiple projects.
• Provide technical leadership and mentorship to junior developers and peers.
• Communicate effectively with internal and external stakeholders to manage expectations and deliver outcomes on time.

About You

This role requires a mix of strong technical ability, architectural insight, and business understanding. You’ll thrive in a fast-paced, entrepreneurial environment and enjoy tackling complex challenges with creative and practical solutions.

Mandatory Requirements

• Minimum 7 years’ experience with Salesforce administration and configuration.
• Proven experience developing and consuming REST APIs.
• Background in Financial Services, FinTech, or similar industry.
• Strong understanding of the full SDLC, including QA, UAT, and deployment.
• Exceptional communication skills and ability to work with both technical and non-technical stakeholders.
• Experience with Tableau or similar analytics tools.
• Familiarity with Snowflake or other data warehouse platforms.
• AWS and/or Amazon Lightsail knowledge.
• Previous leadership or project coordination experience.
• Experience with LAMP stack development.

This is a diverse and high-impact role with plenty of opportunity to learn and grow. You'll work on a platform that's much more than a CRM—an enterprise-level system critical to our ongoing innovation and service delivery.