Senior Salesforce Developer

Alcumus Group; London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading technology firm in London is seeking a Senior Salesforce Developer to join their team. In this role, you'll design and implement custom Salesforce solutions while mentoring junior developers. The position allows for hybrid work, requiring 3 days in the office weekly. Ideal candidates have extensive Salesforce experience and relevant certifications, ready to thrive in a fast-paced environment.

Benefits

Enhanced Parental Leave

Generous annual leave

Healthcare Plan

Pension scheme with employer contributions

LinkedIn Learning License

Qualifications

• Significant experience in Salesforce development.
• Proven experience developing Salesforce integrations.
• Strong experience with Salesforce platform configuration.
• Understanding of Salesforce security and performance best practices.

Responsibilities

• Design, develop, test, and deploy Salesforce solutions.
• Customize Salesforce for specific business needs.
• Create and manage integrations with external systems.
• Participate in peer reviews and continuous improvement.

Skills

Salesforce development expertise

Apex programming

Visualforce

Lightning Web Components

REST/SOAP API integrations

JavaScript

Project tracking tools (JIRA, Confluence)

Education

Salesforce certifications (Platform Developer I required)

Tools

Bitbucket

Git

Job description

Senior Salesforce Developer

Department: Technology & Product

Employment Type: Permanent

Location: Morden, UK

Description

Building innovative solutions; enabling safer workplaces for everyone.

We’ll create a safer working world, building software to support a global network of responsible buyers, suppliers and partners. At Alcumus we take the pain out of compliance for over 50,000 organisations globally, helping them protect their people, their operations, and the planet. The tech we build today, will create a better tomorrow.

We’re looking for a Senior Salesforce Developer to join our fast-growing team and help shape the future of our Salesforce ecosystem. In this pivotal role, you’ll tackle complex challenges, design scalable solutions, and bring innovative ideas to life on the Salesforce platform. You’ll not only get hands-on with cutting-edge development, but also share your expertise through mentorship and play a key part in raising the bar for our processes and standards.

If you’re passionate about building reliable, high-impact systems that make a real difference, this might be the role for you!

What that means day to day

Technical Development and Implementation

• Design, develop, test, and deploy custom Salesforce solutions, including Apex classes, Visualforce pages, Lightning Components, and LWC.
• Customize Salesforce to meet specific business needs through declarative tools (Flows, Workflows, Validation Rules, etc.).
• Build reusable components and frameworks to accelerate development and maintain consistency.
• Create and manage integrations with external systems using REST APIs, middleware, and other integration tools.
• Troubleshoot and resolve complex technical issues in development and production environments.
• Conduct code reviews and ensure adherence to Salesforce best practices, coding standards, and security guidelines.
• Stay current with Salesforce platform enhancements, releases, and new features, proactively recommending improvements.
• Leveraging AI-powered tools and capabilities such as Salesforce Einstein, predictive analytics, and intelligent automation to enhance user experiences, optimize workflows, and drive data-informed decision-making.
• Participate in Tier 3 support activities to diagnose and resolve production incidents.

Solution Design and Delivery

• Analyze business requirements and translate them into scalable, maintainable technical solutions.
• Estimate development effort accurately based on user stories and technical complexity.
• Collaborate with cross-functional teams (Product Owners, Business Analysts, QA, Infrastructure) to deliver high-quality features.
• Conduct system testing and support user acceptance testing (UAT) to ensure defect-free solutions.

Mentorship and Knowledge Sharing

• Provide informal leadership and technical guidance to junior developers and peers.
• Share technical knowledge and development approaches through documentation, walkthroughs, and code examples.
• Participate in peer reviews and contribute to continuous improvement of development processes.

What you’ll need to be successful

• Significant experience in Salesforce development, with deep expertise in Apex, Visualforce, and Lightning Web Components.
• Proven experience developing Salesforce integrations using REST/SOAP APIs and middleware tools.
• Strong experience with Salesforce platform configuration and customization.
• Solid understanding of Salesforce security, governor limits, and performance best practices.
• Experience with code versioning tools (Bitbucket, Git) and project tracking tools (JIRA, Confluence).
• Knowledge of agile development methodologies and the Salesforce DevOps lifecycle.
• Proficiency in JavaScript and experience building custom UIs on the Lightning platform.
• Experience with data migration tools and processes (e.g., Data Loader, ETL tools). Strong communication skills and a collaborative, solution-focused mindset.
• Salesforce certifications (Platform Developer I required; Platform Developer II or Architect certifications a plus).

What you'll get in return

Alcumus has a hybrid workplace policy, where you will work from the office 3 days per week. We want you to be able to do your best work here. We emphasize providing many ways to support our team to do their best work and below are some of the perks and benefits we offer:

Personal Health & Wellbeing / Benefits

• Enhanced Parental Leave
• Generous annual leave
• Healthcare Plan
• Annual Giving Day – an extra day to give back to yourself or your community
• Cycle-to-work Scheme

Future Planning

• Pension scheme with employer contributions
• Life Assurance – 3X base salary
• Rewards Program – access to discounts and cashback
• LinkedIn Learning License for upskilling & development

Interested but don’t feel you meet all the requirements?

Our recruitment team assesses and reviews all applications against the role and business needs. We believe in people having transferable and soft skills and want you to know that we do consider where an individual might not meet all the criteria, but have the aptitude and capability, nonetheless. Our priority is to ensure we set people up for success. We will make a final call based on our determining whether we can offer the necessary support to upskill or provide the developmental support needed for you to get the best out of this opportunity with us!

Bring Your Whole Self to Work.

Alcumus is proudly an equal-opportunity employer. We are committed to ensuring that no candidate is discriminated against because of gender identity and expression, race, disability, ethnicity, sexual orientation, age, colour, region, creed, national origin, or sex. We are dedicated to growing a diverse team while continuing to create an inclusive environment where everyone feels safe and empowered to be themselves.

What you can expect if you apply:

• A response to your application within 15 working days
• An interview process consisting of:
  • An initial discovery call with the recruiter
  • A first stage interview via Microsoft Teams
  • Additional interview (likely face to face) with the stakeholders you’ll be working with closely in the role

We’re keen to ensure our hiring process allows you to be at your best, so if you need us to make any adjustments, please just let us know.