💻

💻 Technology

Software Engineer Tax Deductions
Australia 2026

Developers, Engineers & Architects — your complete ATO-aligned 2026 guide.

Last updated: May 2026

9 Fully deductible 6 Partial 5 Not deductible 🧠 Take the quiz

If you work as a software engineer in Australia, you're entitled to claim a deduction for many of the costs you incur doing your job. The ATO has specific rules about what counts and what doesn't — and getting it right can mean a meaningfully bigger refund. This guide covers every tax deduction available to Australian software engineers for the 2025–26 financial year, based on published ATO guidance for the Technology sector. We break down what's fully deductible, what's partially deductible (and how to apportion it), and what to avoid claiming.

The 3 ATO golden rules

To claim a work-related deduction, you must meet all three:

You paid for it personally and weren't reimbursed.
The expense directly relates to earning your income.
You have a record (usually a receipt).

💡 Tap any deduction below to expand the full ATO reasoning, claiming guidance, and records you need to keep.

✓Fully deductible9 items

These expenses are claimable at 100% of the cost. Keep your receipts and claim them on your return.

🎓

Professional development courses and certifications

Training that maintains or improves your software engineering skills is deductible.

📋 Why this matters

Self-education expenses are deductible when the course (a) maintains or improves the skills you currently use to earn your income, OR (b) is likely to result in increased income from your current role (Taxation Ruling TR 2024/3). It's NOT deductible when the course leads to a new career, new field, or just 'general' knowledge.

✅ How to claim

Claim under item D4 (Work-related self-education expenses). Includes course fees, textbooks, stationery, internet, depreciation on a computer used for study, and travel from work (NOT home) to the place of study.

📁 Records to keep

Course enrolment confirmation, receipts, and ideally a written statement from your employer or in your records showing how the course relates to your current role.

💡 Pro tipGovernment-subsidised courses (HECS/HELP) — the loan repayments themselves are NOT deductible. But upfront fees you paid (not loaned) are. Also, the $250 'non-deductible' threshold was abolished from 1 July 2022 — every dollar of self-education is now claimable from day one.

📚

Work-related technical books and subscriptions

Technical books, docs, and subscriptions used for your role are deductible.

📋 Why this matters

This expense is fully deductible because it directly relates to earning your income as a software engineer and meets the three ATO tests: (1) you paid for it personally, (2) it's directly connected to your work, (3) it's not private or domestic in nature. Technical books, docs, and subscriptions used for your role are deductible.

✅ How to claim

Claim the full amount in the year of purchase under the appropriate item on your tax return (typically D5 'Other work-related expenses' for most items).

📁 Records to keep

Keep your receipt or invoice for at least 5 years from the date you lodge your return. The ATO can request substantiation at any time during that window.

💡 Pro tipIf you weren't reimbursed by your employer and the expense relates to earning your income, claim it. Better to claim small amounts than miss out — Australians collectively under-claim by hundreds of millions each year.

📄

Professional association fees

Membership fees to professional bodies related to your IT role are deductible.

📋 Why this matters

Subscriptions and memberships to industry bodies, unions, and professional associations are deductible when they relate to your current employment under Section 8-1 of ITAA 1997. (Strike-fund levies are deductible ONLY where the fund's sole purpose is to maintain or improve members' pay — levies that go to support members in financial hardship are NOT deductible.) Renewals of mandatory licences and registrations (AHPRA, electrical licence, real estate licence, etc.) are deductible. Important: the FIRST registration you obtain to ENTER a profession is NOT deductible — it's incurred before you start earning income — only later renewals are. You can also claim up to $42 per year for each membership of a trade, business or professional association that does NOT directly relate to your current job.

✅ How to claim

Claim the full annual fee in the year you paid it. Claim under item D5 (Other work-related expenses).

📁 Records to keep

Invoice or receipt from the association/regulator showing the amount and period of cover.

💡 Pro tipIf you joined mid-year, claim only the portion you paid (not the full annual fee). If your employer reimbursed you, you cannot claim — even partially.

🌐

Domain names and hosting (work-related projects)

Domain and hosting costs for work-related or portfolio projects are deductible.

📋 Why this matters

This expense is fully deductible because it directly relates to earning your income as a software engineer and meets the three ATO tests: (1) you paid for it personally, (2) it's directly connected to your work, (3) it's not private or domestic in nature. Domain and hosting costs for work-related or portfolio projects are deductible.

✅ How to claim

Claim the full amount in the year of purchase under the appropriate item on your tax return (typically D5 'Other work-related expenses' for most items).

📁 Records to keep

Keep your receipt or invoice for at least 5 years from the date you lodge your return. The ATO can request substantiation at any time during that window.

💾

Software licences and developer tools

Software used for your engineering work that is not reimbursed is deductible.

📋 Why this matters

✅ How to claim

Claim the full annual fee in the year you paid it. Claim under item D5 (Other work-related expenses).

📁 Records to keep

Invoice or receipt from the association/regulator showing the amount and period of cover.

💡 Pro tipIf you joined mid-year, claim only the portion you paid (not the full annual fee). If your employer reimbursed you, you cannot claim — even partially.

🏨

Work-related conference and event fees

Conferences directly related to your engineering work are deductible.

📋 Why this matters

✅ How to claim

📁 Records to keep

Course enrolment confirmation, receipts, and ideally a written statement from your employer or in your records showing how the course relates to your current role.

🪑

Ergonomic equipment (chair, desk, keyboard)

Ergonomic equipment used exclusively for work purposes is deductible.

📋 Why this matters

Tools and equipment that are necessary for performing your work are deductible. Items costing $300 or less each are immediately deductible (Division 40 of ITAA 1997). Items costing more than $300 must be depreciated over their 'effective life' as set by the ATO (the Commissioner's effective life schedule for assets first used from 1 July 2025 is in Determination LI 2025/20).

✅ How to claim

Under $300: claim the full cost in the year of purchase. Over $300: divide the cost by the effective life and claim that amount each year. Claim under D5 (Other work-related expenses) or D6 if it's a low-value depreciating asset.

📁 Records to keep

Receipts for every tool over $50 (the ATO can ask for any record). Keep a depreciation schedule for items over $300.

💡 Pro tipIf you have multiple tools over $300 each, consider the 'instant asset write-off' rules in years it applies. Also: tools you owned BEFORE starting the job can still be depreciated if you brought them into work use (claim the 'opening adjustable value' = market value at the time work-use began).

🖥️

External monitors used for work

Monitors purchased for work use are deductible at the work-use percentage.

📋 Why this matters

This expense is fully deductible because it directly relates to earning your income as a software engineer and meets the three ATO tests: (1) you paid for it personally, (2) it's directly connected to your work, (3) it's not private or domestic in nature. Monitors purchased for work use are deductible at the work-use percentage.

✅ How to claim

Claim the full amount in the year of purchase under the appropriate item on your tax return (typically D5 'Other work-related expenses' for most items).

📁 Records to keep

Keep your receipt or invoice for at least 5 years from the date you lodge your return. The ATO can request substantiation at any time during that window.

📎

Stationery and office supplies

Work-related stationery purchased for your home office is deductible.

📋 Why this matters

This expense is fully deductible because it directly relates to earning your income as a software engineer and meets the three ATO tests: (1) you paid for it personally, (2) it's directly connected to your work, (3) it's not private or domestic in nature. Work-related stationery purchased for your home office is deductible.

✅ How to claim

Claim the full amount in the year of purchase under the appropriate item on your tax return (typically D5 'Other work-related expenses' for most items).

📁 Records to keep

Keep your receipt or invoice for at least 5 years from the date you lodge your return. The ATO can request substantiation at any time during that window.

◐Partially deductible6 items

These costs are split between work and private use. You can only claim the work-use percentage — keep a 4-week diary or 12-week logbook to support the apportionment.

💻

Laptop or computer (work-related use)

The work-related proportion of a computer used for engineering work is deductible.

📋 Why this matters

This is a 'mixed-use' expense — partly for work, partly private. The ATO requires you to identify the work-use portion using a 'reasonable and verifiable' method (TR 93/30). Only the work portion is deductible. The work-related proportion of a computer used for engineering work is deductible.

✅ How to claim

Determine the work-use percentage based on a representative period (typically a 4-week diary for ongoing costs like phone/internet, or a 12-week logbook for vehicle costs). Apply that percentage to the total cost.

📁 Records to keep

Keep both the original invoice/bill AND your diary or logbook showing how you calculated the work-use percentage. Both are required if the ATO asks.

💡 Pro tipThe ATO accepts reasonable estimates supported by your records. Don't claim 100% work use of shared assets — it's the #1 red flag in their review systems.

🌐

Home internet (work-related use)

The work-related proportion of your internet plan is deductible.

📋 Why this matters

Like your phone, your home internet is a shared private/work asset. Only the work-use percentage of the bill is deductible under TR 93/30. The ATO accepts apportionment based on time spent on work activities online, data usage logs, or other reasonable methods.

✅ How to claim

Track 4 weeks of typical internet use. Estimate the work-related percentage (work-from-home, CPD courses, work emails after hours). Apply to your annual internet bill. Claim under D5.

📁 Records to keep

Internet bill plus a usage diary or written estimation of work-related hours/data.

💡 Pro tipIf you use the ATO's 70c/hour 'fixed rate' method for working from home, you CANNOT separately claim internet — it's already included in the 70c rate. You'd need to use the 'actual cost' method to claim internet separately.

📱

Mobile phone (work-related calls and data)

Work-related usage of your phone for coding or meetings is partly deductible.

📋 Why this matters

Your phone is a private asset that you sometimes use for work. The ATO requires you to identify the 'work-use percentage' based on actual usage records, and only that percentage of your bill is deductible. This follows the ATO's published apportionment guidance. The work-use must be 'reasonable and verifiable' — you can't just claim 50% because it feels right. Important: if you use the 70c/hour fixed-rate method for working from home, phone and internet are already included — you CANNOT also claim them separately.

✅ How to claim

Keep a representative 4-week diary recording every work-related call, text and data session. Calculate the percentage of total usage. Apply that percentage to your annual bill. Claim under D5 (Other work-related expenses).

📁 Records to keep

Your phone bill plus a 4-week usage diary. The diary should record date, duration/data, and whether each item was work or private.

💡 Pro tipCommon mistake: claiming 100% work-use. The ATO almost never accepts this for employees because you'd need separate work and personal phones. Be realistic — 30-50% is typical for most jobs.

🏠

Home office running costs

Home office costs for your dedicated workspace are partly deductible.

📋 Why this matters

When you work from home, you incur additional running costs (electricity, gas, internet, phone, depreciation of office furniture and equipment). The ATO offers two methods to claim these under PCG 2023/1: the 'fixed rate' method (70c per hour worked from home, covers all running costs except depreciation of furniture/equipment) or the 'actual cost' method (calculate each cost individually, more work but often higher).

✅ How to claim

Keep a record of hours worked from home (a timesheet, calendar entries, or work-from-home log). For the fixed rate: hours × $0.70 = deduction. For actual cost: apportion each utility bill by % of home used for work + work hours.

📁 Records to keep

Hours worked from home is MANDATORY from 1 March 2023 — estimates are no longer accepted. Use a diary, app log, or work calendar.

💡 Pro tipFor most employees, the 70c/hour fixed rate is simpler and gives a similar result to actual cost. But if you have a dedicated home office and high electricity bills (FIFO workers, content creators), actual cost can be substantially more — worth the extra paperwork.

☁️

Cloud services and SaaS (work-related)

The work-related portion of cloud tools used for development is deductible.

📋 Why this matters

This is a 'mixed-use' expense — partly for work, partly private. The ATO requires you to identify the work-use portion using a 'reasonable and verifiable' method (TR 93/30). Only the work portion is deductible. The work-related portion of cloud tools used for development is deductible.

✅ How to claim

📁 Records to keep

Keep both the original invoice/bill AND your diary or logbook showing how you calculated the work-use percentage. Both are required if the ATO asks.

💡 Pro tipThe ATO accepts reasonable estimates supported by your records. Don't claim 100% work use of shared assets — it's the #1 red flag in their review systems.

🚗

Work-related travel and transport

Travel to client sites or different work locations is deductible.

📋 Why this matters

This is a 'mixed-use' expense — partly for work, partly private. The ATO requires you to identify the work-use portion using a 'reasonable and verifiable' method (TR 93/30). Only the work portion is deductible. Travel to client sites or different work locations is deductible.

✅ How to claim

📁 Records to keep

Keep both the original invoice/bill AND your diary or logbook showing how you calculated the work-use percentage. Both are required if the ATO asks.

💡 Pro tipThe ATO accepts reasonable estimates supported by your records. Don't claim 100% work use of shared assets — it's the #1 red flag in their review systems.

✗Not deductible5 items

Common audit traps. Claiming these can trigger ATO review and penalties. Knowing what NOT to claim is just as important.

🎮

Personal gaming equipment

Gaming hardware is a personal expense and not deductible unless exclusively work-related.

📋 Why this matters

✅ How to claim

📁 Records to keep

Receipts for every tool over $50 (the ATO can ask for any record). Keep a depreciation schedule for items over $300.

🚇

Home-to-office commute

Travel from home to your regular workplace is private and not deductible.

📋 Why this matters

Travel from your home to your regular place of work is private travel under ITAA 1997 and the landmark case Lunney v FCT (1958). Even if you work irregular hours, carry a phone, or check emails on the train, your commute is private. The only exceptions: (a) carrying bulky tools with no secure storage at the workplace, (b) travelling between two workplaces on the same day, (c) you have no fixed workplace and travel directly to varying client sites.

✅ How to claim

DON'T claim home-to-work travel unless you genuinely meet one of the narrow exceptions above. The ATO consistently audits this and recovers the money plus penalties.

📁 Records to keep

N/A — not deductible.

💡 Pro tipThe 'bulky tools' exception is narrow. The ATO has rejected claims for laptops, document folders, and even small toolboxes. Only genuine heavy/awkward equipment that can't be carried on public transport qualifies.

👔

General clothing

Clothing worn to work is not deductible under ATO rules.

📋 Why this matters

Conventional clothing — business suits, plain shirts, regular dresses, normal trousers, ordinary shoes — is NOT deductible even when your employer requires you to wear it. The ATO treats it as private under TR 1997/12 and TR 2003/16 because the clothing has no work-specific function and is suitable for everyday wear.

✅ How to claim

Don't claim conventional business or office clothing.

📁 Records to keep

N/A.

💡 Pro tipThe ATO has explicitly rejected claims for 'expensive shoes' worn by real estate agents, 'professional suits' worn by lawyers and accountants, and 'office-appropriate' clothing worn by anyone in a dress-code role. Only distinctive uniforms (with logos), protective clothing, or occupation-specific clothing qualifies.

📺

Personal streaming subscriptions

Entertainment subscriptions are private in nature and not deductible.

📋 Why this matters

This expense is NOT deductible because it's either private in nature, specifically excluded by legislation, or not directly connected to earning your income. Entertainment subscriptions are private in nature and not deductible.

✅ How to claim

Don't claim this on your return. Claiming non-deductible expenses can trigger an ATO review and lead to amended assessments, interest charges, and penalties.

📁 Records to keep

N/A — not deductible.

💡 Pro tipIf you're unsure, ask a registered tax agent. The ATO's website also has free occupation-specific guides, or you can use the ATO's 'myDeductions' app to track and check eligibility throughout the year.

🍱

Meals during regular work hours

Meals consumed during ordinary work hours are a private expense.

📋 Why this matters

Meals consumed during your ordinary work hours are a private expense, even when eaten at your desk or on a worksite. The ATO is firm on this under TR 2024/3. The only exception is the overtime meal allowance scheme (separate label) or genuine overnight work travel where you receive a travel allowance.

✅ How to claim

Don't claim regular lunches, coffee, or in-shift snacks.

📁 Records to keep

N/A.

💡 Pro tipEven client coffee meetings aren't deductible for employees — entertainment expenses are restricted under Division 32 of ITAA 1997. Self-employed people have very narrow exceptions.

Want us to lodge it for you?

ALI Tax handles returns Australia-wide. Registered tax agents. Start online in 60 seconds.

Lodge your return →

📚 Test your knowledge

Tax Quiz for Software Engineers

5 questions on key ATO rules for your role. Most people get 3 out of 5. Can you beat that?

🧠

Ready to test what you know?

Takes about 2 minutes. No sign-up required.

Frequently asked questions

What's the simplest way to track software engineer deductions during the year?

Keep a separate folder or app (like Receipt Bank or your phone's notes) and capture every work-related receipt as you spend. The 'shoebox approach' costs most software engineers thousands in lost refunds each year.

Can I claim something my employer reimbursed?

No. If you've been reimbursed (or it was salary-packaged), you can't claim a deduction for it as well.

Do I need receipts for everything?

You need a receipt or written record for any deduction. For laundry up to $150 and small expenses up to $300 in total, you can use the ATO simplified methods without keeping every receipt.

What's the difference between deductible and partial?

Fully deductible means you can claim 100% of the cost. Partial means it's split between work and private use — you can only claim the work-use percentage based on a diary or logbook.

How long do I need to keep my receipts?

Five years from the date you lodge your tax return. The ATO can ask for records anytime in that window.

Source: This guide is based on published ATO occupation guidance, current tax rulings, and the Income Tax Assessment Act 1997. For your specific circumstances, consult a registered tax agent. Always verify rules at ato.gov.au.

TPB Registered Tax Agent #25287564

IPA Member Member #224757

Talk to us 0422 665 268