Senior Software Engineer

Simple Machines Pty Ltd; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading technology firm is seeking a Senior Software Engineer to drive the development of scalable solutions across the full technology stack. The role involves collaborating with clients and internal teams, focusing on backend services, frontend interfaces, and data engineering. The ideal candidate will have a strong foundation in programming, experience with cloud infrastructure, and a passion for innovative technologies. This position offers a competitive salary and comprehensive benefits, including professional development opportunities.

Benefits

Competitive salary and benefits package

Annual Leave: 4 weeks + additional week over Christmas

Health and Wellbeing Allowance: £1,250 per year

Professional Development: £1,500 annual budget

Equipment Allowance: £1,500 for UK team members

Qualifications

• Consultative approach to software development.
• Core foundation in JVM languages (Kotlin or Java).
• Experience with SQL databases and data-driven APIs.

Responsibilities

• Develop backend services and frontend web user interfaces.
• Design APIs and document technical requirements.
• Provide expert client advisory on data practices.

Skills

Programming

Data-driven APIs

Frontend Development

Cloud Infrastructure

Unit Testing

Job description

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About Simple Machines

Simple Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, machine learning, data engineering, and software engineering. Our mission is to help enterprises, technology companies, and governments better connect with and understand their organisations, their people, their customers, and citizens. We are a team of creative engineers and technologists dedicated to unleashing the potential of data in new and impactful ways. We design and build bespoke data platforms and unique software products, create and deploy intelligent systems, and bring engineering expertise to life by transforming data into actionable insights and tangible outcomes. We engineer data to life.

About Simple Machines

Simple Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, machine learning, data engineering, and software engineering. Our mission is to help enterprises, technology companies, and governments better connect with and understand their organisations, their people, their customers, and citizens. We are a team of creative engineers and technologists dedicated to unleashing the potential of data in new and impactful ways. We design and build bespoke data platforms and unique software products, create and deploy intelligent systems, and bring engineering expertise to life by transforming data into actionable insights and tangible outcomes. We engineer data to life.

The Role

As a Senior Software Engineer at Simple Machines, you’ll be at the heart of groundbreaking projects, collaborating closely with both our talented internal team and forward-thinking clients. In this hands-on role, you'll drive the development of sophisticated, scalable solutions across the full technology stack—from intuitive frontends and robust backends to powerful data pipelines and resilient infrastructure. If you’re passionate about solving complex problems and pushing the boundaries of what’s possible, this role offers the perfect platform for you to make a real impact.

Technical Responsibilities

• Responsible for development of backend services, frontend web user interfaces, data engineering, and infrastructure solutions for a highly scalable marketing platform.
• Responsible for designing the APIs, applications, and infrastructure the team develops, and documenting the technical requirements and design for the client.
• Responsible for end-to-end delivery and support, including build, automation, deployment, and operations, for everything that is developed.
• Partner with client stakeholders, and team members, to gather business requirements, collaborate on design decisions, and translate them into technical and design requirements.
• Operate within an iterative delivery team using Agile delivery tools and practices.
• Hybrid remote and in-person collaboration with the delivery team and client stakeholders.
  
  

Consulting Responsibilities

• Client Advisory: Provide expert advice to clients on optimal data practices that align with their business requirements and project goals.
• Training and Empowerment: Educate client teams on the latest technologies and strategies, enabling them to efficiently utilise and maintain the solutions we have developed.
• Professional Development: Keep up with the latest industry trends and technological advancements, continually upgrading skills and achieving certifications in the technologies Simple Machines implements across its client base.
  
  

Work Style

• 3 days per week onsite (London)
• 2 days remote (WFH)
  
  

Requirements

Essential:

• A consultative approach to software development.
• Core foundation in programming, especially in JVM languages (particularly Kotlin or Java).
• Experience designing and implementing data-driven APIs.
• Exposure to frontend development (particularly React.js, Tailwind, REDUX, Typescript)
• Past project experience with large scale webservices.
• Cloud infrastructure experience with AWS and/or Google Cloud, Azure, etc.
• Infrastructure-as-code experience, such as with Terraform or Cloud Formation.
• In-depth experience with unit and integration testing, and test automation generally. Ideally TAA and/or BDD
• Experience working with SQL databases in the context of implementing data-driven APIs, and designing database schemas and queries to meet business requirements.
  
  

Desirable

• A passion and proven background in picking up and adopting new technologies on the fly.
• Backend server experience using Kotlin.
• Exposure to Scala, or functional programming generally.
• Experience with highly concurrent, asynchronous backend technologies, such as Ktor, http4k, http4s, Play, RxJava, etc.
• Experience with DynamoDB or similar NoSQL databases, such as Cassandra, HBase, BigTable, or Cosmos DB.
• Experience with Git workflows, and the ability to tailor the workflow to project needs.
• Experience with containerised application deployment using Docker, Amazon ECS, Kubernetes, etc.
  
  

Benefits

• Salary: Competitive salary and benefits package.
• Pension: Up to 5% employer contribution, matching up to a 5% employee contribution, for a total of up to 10%.
• Annual Leave: 4 weeks standard + 1 week additional annual leave over Christmas shut down period, plus public holidays.
• Regular Lunches: Provided at team meet-ups and on workdays at Simple Machines' co-working space.
• Health and Wellbeing Allowance: £1,250 allowance per year to be used for any food and non-alcoholic beverages during business hours, healthcare, gym memberships, sporting goods and accessories, and any wellness appointments.
• Professional Development: £1,500 annual budget for training, courses, and conferences, with potential for additional funding.
• Certifications: £2,500 annual budget for certifications and related courses.
• Equipment Allowance: £1,500 for UK team members.
• Company Sick Leave: 10 days per annum, includes coverage for employee’s family.
• Antenatal Support: Paid time off for antenatal appointments, including classes recommended by health professionals.
• Terminal Illness Benefit: Three months' continuance of salary at full pay.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

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