Junior Software Developer - Cloud API

Delta Controls Inc.; England; Hybrid; GBP 62,000 - 75,000; Full time

Job summary

A leading building controls manufacturer in Surrey is seeking a Junior AI Software Developer to join their team. This full-time, hybrid role involves developing AWS Lambda functions, implementing REST APIs, and collaborating with senior engineers on a serverless cloud platform. Ideal candidates will have some experience in software development, particularly in Python, and be eager to learn cloud technologies. The salary ranges from $85,000 to $100,000, along with various employee perks and a flexible work culture.

Benefits

Flexible hours

Competitive compensation

Wellness programs

Onsite fitness center

Regular company events

Qualifications

• 0–2 years of professional software development experience.
• Proficiency in Python for backend code.
• Understanding of REST APIs and HTTP concepts.
• Familiarity with SQL and relational databases.
• Experience working with Git.

Responsibilities

• Develop AWS Lambda functions using Python.
• Implement REST APIs with AWS API Gateway.
• Integrate with Aurora PostgreSQL for database access.
• Collaborate on feature delivery with product teams.

Skills

Python

REST APIs

SQL

Git

Cloud technologies

Debugging

Collaboration

Tools

AWS Lambda

API Gateway

PostgreSQL

Job description

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About Delta Intelligent Building Technologies (Canada) Inc. (formerly known as Delta Controls)

Delta Intelligent Building Technologies (Canada) Inc. is a leading building controls manufacturer. For over three decades, we have provided innovative building automation solutions for commercial, healthcare, education, and leisure facilities.

Job Summary

We are building a modern cloud platform that leverages AWS serverless technologies, distributed APIs, and scalable cloud databases to support device orchestration, workflow automation, and user-facing applications. Our backend services rely on AWS Lambda, API Gateway, and Aurora PostgreSQL to deliver reliable, high-performance cloud features.

We are seeking a Junior AI Software Developer who is eager to learn, excited about cloud technologies, and focused on Python-based backend development. You will work closely with senior engineers to build new APIs, integrate cloud components, and contribute to a production-ready serverless platform.

Responsibilities

• Develop and maintain AWS Lambda functions written in Python
• Implement REST APIs using AWS API Gateway
• Build integrations with Aurora PostgreSQL, including writing SQL queries and data-access code
• Help design data models and service interfaces with guidance from senior developers
• Write clean, maintainable Python code and participate in code reviews
• Assist with debugging issues across Lambdas, API flows, and database queries
• Contribute to unit tests, integration tests, and API validation using Python test frameworks
• Collaborate with QA engineers, product teams, and other developers on feature delivery
• Participate in improving documentation, coding standards, and development processes

Required Skills / Qualifications

• 0–2 years of professional software development experience (internships count)
• Proficiency in Python and comfort with writing clean, well-structured backend code
• Understanding of REST APIs and HTTP concepts
• Familiarity with SQL and relational database fundamentals
• Experience working with Git and collaborative development workflows
• Interest in cloud technologies, serverless patterns, and distributed systems
• Strong debugging and problem-solving mindset
• Willingness to learn and ask questions when needed
• Strong communicator and collaborative, and comfortable working with guidance.

Assets

AWS Cloud Experience: Exposure to AWS Lambda, API Gateway, or other serverless components, Amazon Aurora PostgreSQL or other relational cloud databases, S3, CloudWatch, IAM, or basic AWS security concepts, and infrastructure-as-code tools such as Terraform or CloudFormation

Nice-to-have

Experience building small backend services or personal projects, familiarity with Python frameworks such as FastAPI, Flask, or boto3, understanding of distributed or event-driven systems, exposure to containerization (Docker) or CI/CD pipelines

No prior AI or AWS experience? Candidates eager to learn will be supported and gain hands-on exposure in production.

Work Location: Hybrid (In-office 3 days per week, subject to change)
City: Surrey
Type: Full-time, Permanent
Salary: $85,000 - $100,000
This range reflects the minimum and maximum target payable for the base salary of new hires across all Canadian locations. Actual compensation may vary outside this range and is dependent on various factors.

Why work for us?

We provide fantastic opportunities to individuals passionate about business and technology. Delta Electronics products are the most energy efficient power products in the industry and our company is perfect for those who want to create, design and build sustainable solutions using massively scalable, big-data architecture, with a strong focus on building automation. Here are some of the Delta perks you’ll receive from day 1!

• Employee & safety centric culture with the possibility of remote work
• Flexible hours and scheduling available
• Competitive total compensation along with generous vacation allowances
• Vacation leaves
• Wellness - onsite fitness center & company reimbursement for personal gym memberships
• Internal Recognition
• Transit accessible with free onsite parking
• Regular company events such as "Food Truck Fridays", Lunch & Learn and other planned activities