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Backend Developer resume example

Lead with the systems you owned and the numbers that prove they held up: throughput served, latency cut, uptime defended. Recruiters skim for scale and reliability, so put your hardest API and database wins first.

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Callum Rydberg

Senior Backend Developer | Distributed Systems | Scaled APIs to 40K req/s at 99.99% uptime

  • Austin, TX
  • callum.rydberg@example.com
  • +1 (512) 555-0179
  • linkedin.com/in/your-name

Summary

Senior Backend Developer with eight years building high-throughput APIs and event-driven services in Go and Java. Owns payment and ledger systems handling 40,000 requests per second across 9 microservices, pairing rigorous load testing with strict reliability targets.

Work Experience

Senior Backend Developer

Aug 2021 – Present

Ledgermint · Austin, TX

  • Re-architected the payments ledger from a monolith into 9 Go microservices, scaling sustained throughput from 6K to 40K requests per second while holding 99.99% uptime.
  • Cut p99 API latency 62% (480ms to 180ms) by introducing Redis read-through caching and rewriting 14 N+1 PostgreSQL queries.
  • Designed a Kafka-based event pipeline processing 220M events per day, eliminating a nightly batch job and reducing settlement lag from 6 hours to under 90 seconds.

Backend Developer

May 2018 – Jul 2021

Halcyon Logistics · Denver, CO

  • Built a gRPC inventory service backing 1,400 warehouses, sustaining 12K requests per second with a p95 under 90ms.
  • Migrated 2.4TB from a single Postgres instance to a sharded, read-replica topology, raising read capacity 5x and removing the last single point of failure.
  • Automated CI/CD on Kubernetes with canary deploys, cutting mean deploy time from 35 minutes to 7 and reducing rollback incidents 80%.

Software Engineer, Backend

Jun 2016 – Apr 2018

Brightpath Health · Denver, CO

  • Developed REST APIs for a patient-scheduling platform serving 320K monthly active users, shipping 40+ endpoints with 92% test coverage.
  • Hardened authentication by adding OAuth 2.0 and rate limiting, blocking a credential-stuffing pattern that had driven 15K failed logins per day.

Education

Bachelor of Science, Computer Science

2012 – 2016

University of Texas at Austin

Skills

Core competencies

  • Distributed Systems
  • API Design
  • Database Performance

Languages & Tools

  • Go
  • Java
  • Python
  • PostgreSQL
  • Redis
  • Kafka
  • gRPC

Infrastructure & Soft Skills

  • Kubernetes
  • AWS
  • Terraform
  • Observability (Datadog)
  • On-Call Leadership
  • Technical Mentorship

Certifications

  • AWS Certified Developer - Associate · Amazon Web Services, 2021
  • Certified Kubernetes Application Developer (CKAD) · Cloud Native Computing Foundation, 2022

Languages

  • English · Native
  • Spanish · Professional working proficiency

The full sample as text. Rendered in the Technical template, a layout applicant tracking systems read in order.

Fictional person: the name and contact details are invented. Any resemblance to a real person is coincidental.

Backend Developer resume summary examples

Pick the one closest to your level and replace the specifics with your own.

  • Entry level

    Backend developer with a computer science degree and one year of experience building Node.js and PostgreSQL services at a logistics startup. Shipped 14 REST endpoints, wrote integration tests that raised coverage to 82%, and fixed several slow queries. Looking to grow on a team that values code review and strong testing habits.

  • Mid level

    Backend engineer with five years building Python and Go services on AWS. Owns the order processing API handling 2,000 requests per second, reduced p99 latency by 45%, and introduced Kafka-based event processing. Comfortable with PostgreSQL tuning, CI pipelines, and writing design docs for cross-team changes.

  • Senior

    Senior backend engineer with ten years designing distributed systems for payments and marketplace platforms. Led the migration from a Rails monolith to 9 services, set SLOs for the payments path, and mentors six engineers. Strong in Java, PostgreSQL, Kafka and Kubernetes, with a track record of trading features for reliability when needed.

Common mistakes on a backend developer resume

  • Listing every technology you have touched

    Fix: A skills section with 40 tools makes your strongest ones invisible. Group by language, data stores, messaging and infrastructure, and keep only what you can discuss for ten minutes in an interview.

  • Describing features instead of system behavior

    Fix: 'Built REST APIs' is table stakes. Say what the service handled: requests per second, p99 latency, data volume, failure rate or the number of downstream consumers. Scale is how backend work is compared.

  • Ignoring reliability and on-call work

    Fix: Mention incidents you resolved, alerts you cleaned up, SLOs you set and postmortem actions you closed. Teams hiring backend engineers want proof you can keep something running at 3 a.m.

  • Leaving out the database work

    Fix: Query tuning, schema migrations, index changes and partitioning are real impact. Show the before and after, such as a report query that dropped from 12 seconds to 400 milliseconds.

What should a backend developer resume include?

A backend developer resume should open with a two or three line summary of your focus, then show each role as results rather than duties. Name the skills the posting asks for, such as Java, Go and Python. Start bullets with verbs like Built, Scaled and Optimized, and give each one a number where you honestly have one. If you hold a credential such as AWS Certified Developer - Associate, list it in its own section.

Languages and frameworks

  • Java
  • Go
  • Python
  • Node.js
  • Spring Boot
  • Django
  • FastAPI

Data and messaging

  • PostgreSQL
  • MySQL
  • Redis
  • MongoDB
  • Kafka
  • RabbitMQ
  • Elasticsearch

Infrastructure

  • AWS
  • Docker
  • Kubernetes
  • Terraform
  • GitHub Actions
  • Linux
  • Nginx

Architecture and quality

  • REST
  • gRPC
  • microservices
  • event-driven design
  • unit testing
  • load testing
  • observability

Action verbs

  • Built
  • Scaled
  • Optimized
  • Migrated
  • Hardened
  • Automated

Certifications

  • AWS Certified Developer - Associate
  • Oracle Certified Professional: Java SE 11 Developer
  • Certified Kubernetes Application Developer (CKAD)

Match these against the job posting you are applying to: the free resume checker shows which keywords your resume is missing.

Backend Developer resume bullet examples

The numbers are illustrative. Keep the structure (verb, action, measurable result) and use figures you can back up.

  • Reduced p99 latency of the checkout API from 780 ms to 310 ms by adding a Redis cache and rewriting two N+1 queries.
  • Designed an event pipeline on Kafka that processes 12,000 messages per second with at-least-once delivery and idempotent consumers.
  • Migrated a 600 GB PostgreSQL database to a new cluster with under 4 minutes of downtime using logical replication.
  • Cut monthly AWS spend by $14K by right-sizing instances and moving batch jobs to spot capacity.
  • Introduced contract tests between 6 services, which reduced production integration bugs by roughly 40% over two quarters.
  • Led an on-call rotation of 7 engineers and reduced paging alerts by 60% after tuning thresholds and removing noisy checks.
  • Built a rate limiting layer in Go that protected public endpoints and blocked 3 abusive traffic spikes without customer impact.
  • Replaced a nightly cron export with a streaming job, shrinking data freshness from 24 hours to under 2 minutes.
  • Wrote an internal SDK used by 5 teams to call the billing API, removing about 800 lines of duplicated code.
  • Added structured logging and distributed tracing with OpenTelemetry, bringing mean time to diagnose incidents from 90 to 35 minutes.

Salary (official data)

Official pay statistics for the occupation that matches this role, copied exactly as each statistics office publishes them.

  • United States

    Median gross annual pay: $135,980 a year · Median gross hourly pay: $65.38 an hour

    Middle half of earners: $105,210 to $171,980 · 10th to 90th percentile: $82,460 to $214,670

    Official occupation: Software Developers (SOC 15-1252)

    Gross wages of employees in all industries, before deductions; excludes the self-employed.

    Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. Public domain.

  • United Kingdom

    Median gross annual pay: £59,863 a year

    Middle half of earners: £43,509 to £82,149 · 10th to 90th percentile: £33,352 to £114,051

    Official occupation: Programmers and software development professionals (SOC 2020 2134)

    Gross annual pay of full-time employee jobs (employees on adult rates in the same job for more than a year).

    Provisional figures: the publisher revises them a year later.

    Source: Office for National Statistics, Annual Survey of Hours and Earnings, tax year to 5 April 2026, licensed under the Open Government Licence v3.0.

  • Canada

    Median gross hourly pay: CA$ 50.48 an hour · Median gross weekly pay: CA$ 1,923 a week

    Official occupation group: Professional occupations in applied sciences (except engineering) (NOC 2021 212)

    Usual gross wages of full-time employees (30 hours or more a week) at their main job, including tips, commissions and bonuses.

    Source: Statistics Canada, Table 14-10-0417-01 Employee wages by occupation, annual, 2025. Reproduced and distributed on an "as is" basis with the permission of Statistics Canada (Statistics Canada Open Licence). This does not constitute an endorsement by Statistics Canada of this product.

  • Ireland

    Mean gross annual pay of the whole major group: €70,522 a year

    Major occupation group: Professionals (ISCO-08 2)

    Mean gross annual earnings, including bonuses, for the whole major occupation group in enterprises with 10 or more employees. Eurostat publishes no median by occupation.

    Source: Eurostat, Structure of Earnings Survey (earn_ses22_28), 2022, CC BY 4.0. Ruubu matched the role to an ISCO-08 major group; Eurostat is not responsible for this use of its data.

Figures cover everyone in the official occupation, at every experience level. They are not a job offer, a forecast or a Ruubu estimate. Ruubu matches each role to the closest official occupation. An official occupation can include related jobs.

How we choose and show official salary data

Backend Developer resume questions

How long should a backend developer resume be?

One page if you have under ten years of experience. Backend hiring is judged on signal density, so cut anything that is not a system you owned or a number you can defend.

What metrics matter most on a backend resume?

Throughput (requests or events per second), p99 latency, uptime or error-rate reduction, and infrastructure cost saved. Pair every bullet with one concrete number tied to the service you built.

Which keywords get a backend resume past ATS filters?

Mirror the job description: name the languages (Go, Java, Python), datastores (PostgreSQL, Redis), messaging (Kafka), and platforms (Kubernetes, AWS) you actually use. Avoid padding with tools you only read about.

Should I put GitHub projects on a backend developer resume?

Yes, if the repositories are readable and show real engineering, such as tests, a README and a deployed service. Link two strong ones. If your work experience already shows scale, projects matter less.

How do I describe work that is covered by an NDA?

Describe the technical shape and scale without naming customers or revenue. For example, 'payments service handling 1,500 transactions per second' reveals nothing confidential and still shows depth.

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