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A software engineer designs, builds, tests, and maintains software, from product features to the systems behind them. A good job description names the product and the stack, the level of the role, who the engineer will work with, and what they should deliver in the first six months, so the right candidates recognize themselves in it.
Below is a template you can copy. After it, you will find what US companies are asking for in 2026, how the role changes from junior to staff, interview questions written for the interviewer, and a scorecard to compare candidates. If you are hiring for a specialized role, the series of role-specific kits is linked further down.
Software engineer job description template
Replace the text in brackets and delete any line that is not true for your team. “Software engineer” can mean frontend, backend, or full-stack work, so say which one in the first sentence.
About the role
We are looking for a [Senior] [Backend, Frontend, or Full-Stack] Software Engineer to build and maintain [product or system]. You will work on [main areas, such as the customer-facing app, APIs, or internal platform] using [languages and frameworks], and ship to production [frequency]. You will report to [role] and work with [number] engineers, [product managers], and [designers].
Responsibilities
- Design, build, and ship features in [languages and frameworks], from technical design to production.
- Write tests and review code to keep quality high and releases safe.
- Design APIs, data models, and services that scale with [expected growth or traffic].
- Monitor and debug production issues, and take part in [the on-call rotation, if any].
- Work with product and design to turn requirements into small, shippable increments.
- Improve performance, security, and reliability in the parts of the system you own.
- Document decisions and mentor other engineers [for senior roles].
Must-have qualifications
- [4 to 5]+ years of professional software engineering experience.
- Strong experience with [main language and framework, such as TypeScript and React, Python and Django, or C# and .NET].
- Experience with relational databases such as [PostgreSQL] and with API design.
- Habit of writing automated tests and working with CI/CD.
- Experience deploying to [AWS, Google Cloud, or Azure].
- Ability to own work end to end and communicate clearly in writing.
- Professional working proficiency in English.
Nice to have
- Experience with [secondary language or framework].
- Docker and Kubernetes, or infrastructure as code with Terraform.
- Experience building features with LLM APIs, or daily use of AI coding assistants.
- Experience with [SOC 2, HIPAA, or other frameworks your company follows].
- Experience in [your industry] or at a company of your stage.
What we offer
[Compensation range, if you can share it], [location or time zone requirements], [benefits], and [how the team works day to day].
What US companies ask for in software engineers in 2026
We reviewed the requirements in the engineering roles US companies asked BEON.tech to fill between 2024 and 2026, across frontend, backend, full-stack, data, DevOps, QA, mobile, and AI roles. These are the patterns that repeat:
- The experience bar went up. In 2024, about half of the roles asked for five or more years of experience. In 2026, close to four in five do. Five years is the most common requirement, with a range from two to fifteen.
- React is the most requested framework. It appears in about four in ten roles, and TypeScript in about a third.
- Python is growing. It appears in close to a third of all roles and in about four in ten roles opened in 2026, driven by data and AI work.
- Node.js and .NET follow. After React and Python, they are the most common main stacks. Ruby on Rails, Angular, Java, and Go appear less often.
- AWS is the default cloud. It shows up in close to half of recent roles. Google Cloud and Azure each appear in about one in six.
- Quality practices are explicit requirements. Automated testing and CI/CD each appear in about a third of recent roles.
- Ownership is written into the requirements. About one in four recent roles asks for ownership or the ability to work independently, and more than a third name communication or collaboration.
- AI is now part of the job. In 2026, about eight in ten engineering roles mention AI, either building features with LLMs or using AI coding tools every day.
The takeaway for your description: name one main stack instead of listing every tool you use, state the level you need, and say how the engineer will use AI in their work. Those are the details candidates look for first.
Software engineer vs. software developer
In most job postings the titles mean the same thing, and candidates search for both. Some companies use “engineer” for roles with more system design and ownership, and “developer” for roles focused on building features. Pick the title your team already uses and describe the scope in the first paragraph. That tells candidates more than the title does.
If the role is specialized, a dedicated job description will attract better applicants. See the AI engineer job description, the data engineer job description, and the DevOps engineer job description.
How the role changes by level
| Level | Scope | What to look for in the interview |
|---|---|---|
| Junior (0 to 2 years) | Builds well-defined tasks with guidance and close code review. | Solid fundamentals, curiosity, and how they respond to feedback. |
| Mid-level (2 to 5 years) | Delivers features end to end within an existing design. | Clean, tested code and a clear explanation of trade-offs in their past work. |
| Senior (5 to 8 years) | Designs systems and features, leads technical decisions, and mentors others. | System design depth, production incidents they handled, and how they raise the bar for a team. |
| Staff or principal (8+ years) | Sets technical direction across teams and leads large changes, such as migrations. | Decisions with company-wide impact, and how they brought other teams along. |
Software engineer interview questions for the interviewer
These questions are written for the person running the interview. Each one lists what a strong answer covers and a warning sign. There are no model answers to memorize. The goal is to hear how the candidate thinks about real work.
Code quality and design
- “Tell me about a piece of code you are proud of and one you would rewrite. Why?” A strong answer explains the trade-offs they made and what they learned since. Warning sign: they cannot find anything to improve in their own work.
- “How do you decide what to test and what not to test?” Listen for risk-based choices, a mix of unit and integration tests, and tests that make changes safer. Warning sign: “we test everything” or “we don’t have time for tests.”
- “Design a service that [a simplified version of a real problem your team has]. Walk me through it.” A strong answer starts with requirements and constraints, then covers data models, APIs, failure cases, and how the design would change at ten times the load. Warning sign: jumping to tools before understanding the problem.
Production and debugging
- “Walk me through the hardest production bug you fixed.” Look for how they found it, how they confirmed the cause, and what they changed so it would not happen again. Warning sign: the fix was a restart and nothing more.
- “An endpoint that used to respond in 200 milliseconds now takes three seconds. Where do you start?” A strong answer checks what changed, then uses metrics, logs, and query plans in a clear order. Warning sign: guessing without measuring.
Working with AI tools
- “How do you use AI coding assistants, and how do you review what they generate?” A strong answer describes a workflow with tests and careful review, and names cases where the tools often get things wrong. Warning sign: merging generated code they cannot explain. For a fuller framework, see how to evaluate engineers who work with AI agents.
Ownership and collaboration
- “Tell me about a time you disagreed with a product decision. What did you do?” Look for how they raised the concern, the data they used, and how they committed once a decision was made. Warning sign: going around the team or quietly ignoring the decision.
- “What did you do the last time a project you owned was falling behind?” A strong answer shows early communication, a revised scope, and a clear plan. Warning sign: the delay was always someone else’s fault.
A practical exercise
Give candidates a small, realistic codebase in your main stack with a bug to fix and a feature to add. Ask them to write tests for both, explain the choices they made, and list what they would improve with more time. Allow AI tools, then ask what they accepted, what they changed, and why. Keep a take-home under three hours, or run it live in 60 to 90 minutes, and pay for take-homes if they run longer.
Software engineer interview scorecard
Score each criterion from 1 (no evidence) to 4 (strong evidence). Agree on the weights before the first interview, not after.
| Criterion | What a 4 looks like | Suggested weight |
|---|---|---|
| Coding and code quality | Writes readable, tested code and explains the trade-offs. | 25% |
| System design | Designs from requirements, anticipates failure cases, and plans for scale. | 20% |
| Debugging and production | Finds root causes methodically and prevents repeat incidents. | 15% |
| Stack experience | Has hands-on depth in your main language, framework, and cloud. | 15% |
| AI-assisted workflow | Uses AI tools to move faster and verifies everything they produce. | 10% |
| Ownership and communication | Communicates early, writes clearly, and takes responsibility for outcomes. | 15% |
Hiring a software engineer through BEON.tech
If you would rather skip sourcing and screening, BEON.tech places senior software engineers from Latin America who work in US time zones. For the full process, read our guide on how to hire a software developer, compare costs in what it costs to hire a software developer, or see how we help companies hire senior developers.
FAQ
What does a software engineer do?
A software engineer designs, builds, tests, and maintains software. Day to day, that means writing and reviewing code, designing features and systems, fixing production issues, and working with product managers and designers. Most engineers specialize in frontend, backend, full-stack, mobile, data, or infrastructure work, and senior engineers also lead technical decisions and mentor others.
What should a software engineer job description include?
Include the product and team, the level of the role, your main stack, the main responsibilities, must-have and nice-to-have qualifications, and what you offer. Say whether the role is frontend, backend, or full-stack, and keep the must-haves to skills the engineer will use in the first months rather than every tool your company uses.
What is the difference between a software engineer and a software developer?
In most companies, there is no practical difference, and the titles are used interchangeably. When companies do distinguish them, “software engineer” usually implies more responsibility for system design and architecture, while “software developer” focuses on building features. The scope described in the job description matters more than the title.
How many years of experience should a senior software engineer have?
Most senior software engineer roles ask for five or more years of experience. In the roles US companies asked BEON.tech to fill, five years was the most common requirement, and the share of roles asking for five or more grew from about half in 2024 to close to four in five in 2026. Scope and ownership matter as much as years.
