Senior Backend Engineer | Node.js, API Development, Cloud (AWS), MongoDB & PostgreSQL
Aktualisiert am 11.07.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 09.07.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Back-End
Software-Entwicklung
Node.js
TypeScript
React
AWS
PostgreSQL
MongoDB
Redis
Git
Fullstack
PHP
Docker

Einsatzorte

Einsatzorte

Cologne (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 Jahr 4 Monate
2025-04 - heute

Initiatives for performance and scalability optimization

Sr. Backend Engineer
Sr. Backend Engineer
  • Led performance and scalability initiatives using k6, strengthening system resilience under high load
  • Drove optimization of data migration workflows, delivering measurable reductions in processing time and resource utilization
  • Established CI/CD smoke testing within GitHub pipelines, reducing deployment risks and improving release confidence
  • Partnered with cross-functional teams to align backend solutions with product requirements
  • Owned maintenance and gradual modernization of legacy systems (NestJS/PostgreSQL) through microservice adoption
  • Supported production systems through on-call ownership and proactive incident handling
SoSafe SE
Cologne (Germany)
3 Jahre 1 Monat
2022-03 - 2025-03

Enhancement of system functionality through the redesign of custom ETL pipelines

Backend Lead
Backend Lead
  • Elevated system functionality through re-engineering custom ETL pipelines focusing on resource allocation optimization; directly contributed to achieving over 300 hours saved annually.
  • Managed GitHub-hosted CI/CD pipelines for projects deployed on Kubernetes (AWS EKS), enabling more frequent and reliable deployments while significantly reducing deployment-related downtime.
  • Reduced new project bootstrapping time by developing a reusable NestJS boilerplate, accelerating future application development and reducing setup overhead across teams.
  • Mentored team members, fostering a culture of collaboration and continuous learning that raised code quality standards and improved overall team productivity.
  • Delivered end-to-end features by collaborating with cross-functional teams, accelerating feature development through streamlined communication and tighter cross-team coordination.
  • Launched and led the first backend guild, driving knowledge sharing and addressing engineering pain points, resulting in measurable performance improvements and stronger team alignment.
  • As Backend Guild Lead, conducted one-on-one meetings to support individual growth and improve communication clarity, contributing to a more cohesive and higher-performing team.
  • Promoted as a Backend Lead and selected for the company's Top Talent Program to collaborate directly with top-level management.
Homelike GmbH
Cologne (Germany)
8 Monate
2021-09 - 2022-04

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Led feature development as a bridge between product owners and technical teams, accelerating delivery through clearer requirements alignment and reduced back-and-forth.
  • Maintained and optimized legacy applications built on NestJS and PostgreSQL, delivering noticeable improvements in response times and system stability.
  • Mentored junior developers through regular 1:1s and code reviews, accelerating their growth and improving the overall quality of team output.
  • Provided technical direction in daily tasks, reducing ambiguity and enabling faster issue resolution across the team.
  • Actively supported the frontend team in NextJS development, contributing to meaningful performance gains and smoother cross-team delivery.
  • Fostered a culture of cross-team communication and ownership, strengthening collaboration and reducing siloed decision-making.
  • Introduced automated testing with Cypress on frontend projects, improving release confidence and reducing manual testing overhead.
  • Assisted teams in testing new features and deployments, maintaining a consistently high production release success rate.
Flexcavo GmbH
Berlin (Germany)
2 Jahre 8 Monate
2019-01 - 2021-08

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Optimized database schema by eliminating redundant fields, reducing unnecessary storage overhead and improving query performance across the system.
  • Provided technical support to booking and customer care teams, consistently resolving the majority of daily issues within SLA parameters.
  • Developed new features across multiple microservices using FeatherJS and ReactJS, meaningfully expanding overall system functionality.
  • Maintained company-wide GraphQL APIs backed by MongoDB, coordinating data migrations across teams and reducing overall migration overhead and coordination time.
  • Implemented a new authentication module with Google SSO, simplifying the login flow and streamlining the migration away from legacy auth code.
  • Supported development teams through cross-communication, knowledge-sharing sessions, code reviews, and pair programming, strengthening collaboration and reducing knowledge silos.
Homelike GmbH
Cologne (Germany)
2 Jahre 1 Monat
2016-10 - 2018-10

Development Management

Development Manager
Development Manager
  • Led two teams of 10 engineers, recruiting and training talent in MERN stack technologies, building a strong engineering foundation and meaningfully improving team output.
  • Played a pivotal role in defining company-wide roadmaps and business strategies, improving cross-team alignment and overall project delivery efficiency.
  • Converted over five greenfield project leads into viable opportunities by designing architectures, developing MVPs, and managing early-stage client communications, directly contributing to new project acquisition.
  • Designed and implemented microservice architectures using ExpressJS, MySQL, and Laravel PHP, improving system scalability and reducing overall response latency.
NextGeni
Karachi (Pakistan)
3 Jahre 2 Monate
2013-01 - 2016-02

Implementation of development processes

CTO/Co-founder
CTO/Co-founder
  • Founded a software consultancy, growing to six regular clients and 10 full-time employees, while implementing engineering processes that improved development efficiency and reduced delivery timelines.
  • Designed foundational frameworks utilizing PHP Laravel, MEAN stack, Angular, and native mobile development, reducing project initiation overhead and fostering an innovative engineering culture.
  • Curated a tech radar to provide clear technical direction, improving customer satisfaction and team alignment. Drove engineer retention through upskilling initiatives, tech meetups, and hackathons, leading to the successful on-time delivery of five high-impact software solutions and a notable rise in client satisfaction.
on request
Karachi (Pakistan)
11 Monate
2012-02 - 2012-12

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Developed cross-platform mobile applications using Titanium Appcelerator, enabling deployment across multiple platforms from a single codebase and significantly reducing overall development overhead.
  • Developed and designed projects on Drupal CMS, consistently delivering in full alignment with customer requirements through efficient project planning and execution.
Cybercom

Aus- und Weiterbildung

Aus- und Weiterbildung

2008
Newport Institute of Communication & Economics
Degree: Bachelor of Science

Certification
  • AWS Solutions Architect - Associate | Coursera
  • AI Engineer Core Track: LLM Engineering, RAG, QLoRA, Agents | Udemy
  • Deutsch B1 certificate in 2022 | Telc

Kompetenzen

Kompetenzen

Top-Skills

Back-End Software-Entwicklung Node.js TypeScript React AWS PostgreSQL MongoDB Redis Git Fullstack PHP Docker

Produkte / Standards / Erfahrungen / Methoden

Profile
An experienced software professional with 15+ years of expertise in delivering high-quality, scalable solutions across diverse domains. Skilled in leading technical teams, building innovative products, and optimizing systems for performance. Proven ability to mentor talent, align technology with business goals, and drive measurable impact. Adept at collaborating with cross-functional teams of up to 10 members.

Skills
  • PHP, NodeJS, Typescript, Python, Flutter, Babel JS Agile, Scrum,Data Lake Solution Architect Langraph/Langchain LLM/RAG
  • AngularJS,ExpressJS, Laravel, Emotion-JS, ReactJS, NextJS, Agile, TDD, React Native, GraphQL
  • PostgreSQL, MySQL, MongoDB, MariaDB, Firebase, DynamoDB, BigQuery, Kinesis,SNS SQS, Athena, AWS Glue
  • AWS EC2, AWS Beanstalk, AWS Lambda, CloudFront, 789012017890123456Github, Docker, Linux, Elastic Search, Kubernetes (EKS), Microservice, WSO2 API Gateway

Achievements
  • Backend Guild Leadership: Established a backend-focused guild at Homelike GmbH, fostering cross-functional collaboration and boosting system performance.
  • AWS Expertise: Successfully completed AWS Associate Solution Architect training, applying cloud solutions for scalable architectures.
  • Mentorship & Talent Development: Conducted 1:1 sessions, improving communication efficiency by 20% and driving a 15% increase in team performance.
  • High-Impact System Optimization: Led multiple initiatives that enhanced system performance, achieving measurable improvements in efficiency and deployment cycles.

Relevant Experience

11/2015 - 04/2016
Founder Institute - Remote Accelerator, Karachi (Pakistan)
  • Participated in a structured program designed for early-stage entrepreneurs.
  • Developed a foundational business model and engaged with mentors to enhance entrepreneurial skills.
  • Gained insights into startup operations, funding strategies, and market validation.

Einsatzorte

Einsatzorte

Cologne (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 Jahr 4 Monate
2025-04 - heute

Initiatives for performance and scalability optimization

Sr. Backend Engineer
Sr. Backend Engineer
  • Led performance and scalability initiatives using k6, strengthening system resilience under high load
  • Drove optimization of data migration workflows, delivering measurable reductions in processing time and resource utilization
  • Established CI/CD smoke testing within GitHub pipelines, reducing deployment risks and improving release confidence
  • Partnered with cross-functional teams to align backend solutions with product requirements
  • Owned maintenance and gradual modernization of legacy systems (NestJS/PostgreSQL) through microservice adoption
  • Supported production systems through on-call ownership and proactive incident handling
SoSafe SE
Cologne (Germany)
3 Jahre 1 Monat
2022-03 - 2025-03

Enhancement of system functionality through the redesign of custom ETL pipelines

Backend Lead
Backend Lead
  • Elevated system functionality through re-engineering custom ETL pipelines focusing on resource allocation optimization; directly contributed to achieving over 300 hours saved annually.
  • Managed GitHub-hosted CI/CD pipelines for projects deployed on Kubernetes (AWS EKS), enabling more frequent and reliable deployments while significantly reducing deployment-related downtime.
  • Reduced new project bootstrapping time by developing a reusable NestJS boilerplate, accelerating future application development and reducing setup overhead across teams.
  • Mentored team members, fostering a culture of collaboration and continuous learning that raised code quality standards and improved overall team productivity.
  • Delivered end-to-end features by collaborating with cross-functional teams, accelerating feature development through streamlined communication and tighter cross-team coordination.
  • Launched and led the first backend guild, driving knowledge sharing and addressing engineering pain points, resulting in measurable performance improvements and stronger team alignment.
  • As Backend Guild Lead, conducted one-on-one meetings to support individual growth and improve communication clarity, contributing to a more cohesive and higher-performing team.
  • Promoted as a Backend Lead and selected for the company's Top Talent Program to collaborate directly with top-level management.
Homelike GmbH
Cologne (Germany)
8 Monate
2021-09 - 2022-04

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Led feature development as a bridge between product owners and technical teams, accelerating delivery through clearer requirements alignment and reduced back-and-forth.
  • Maintained and optimized legacy applications built on NestJS and PostgreSQL, delivering noticeable improvements in response times and system stability.
  • Mentored junior developers through regular 1:1s and code reviews, accelerating their growth and improving the overall quality of team output.
  • Provided technical direction in daily tasks, reducing ambiguity and enabling faster issue resolution across the team.
  • Actively supported the frontend team in NextJS development, contributing to meaningful performance gains and smoother cross-team delivery.
  • Fostered a culture of cross-team communication and ownership, strengthening collaboration and reducing siloed decision-making.
  • Introduced automated testing with Cypress on frontend projects, improving release confidence and reducing manual testing overhead.
  • Assisted teams in testing new features and deployments, maintaining a consistently high production release success rate.
Flexcavo GmbH
Berlin (Germany)
2 Jahre 8 Monate
2019-01 - 2021-08

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Optimized database schema by eliminating redundant fields, reducing unnecessary storage overhead and improving query performance across the system.
  • Provided technical support to booking and customer care teams, consistently resolving the majority of daily issues within SLA parameters.
  • Developed new features across multiple microservices using FeatherJS and ReactJS, meaningfully expanding overall system functionality.
  • Maintained company-wide GraphQL APIs backed by MongoDB, coordinating data migrations across teams and reducing overall migration overhead and coordination time.
  • Implemented a new authentication module with Google SSO, simplifying the login flow and streamlining the migration away from legacy auth code.
  • Supported development teams through cross-communication, knowledge-sharing sessions, code reviews, and pair programming, strengthening collaboration and reducing knowledge silos.
Homelike GmbH
Cologne (Germany)
2 Jahre 1 Monat
2016-10 - 2018-10

Development Management

Development Manager
Development Manager
  • Led two teams of 10 engineers, recruiting and training talent in MERN stack technologies, building a strong engineering foundation and meaningfully improving team output.
  • Played a pivotal role in defining company-wide roadmaps and business strategies, improving cross-team alignment and overall project delivery efficiency.
  • Converted over five greenfield project leads into viable opportunities by designing architectures, developing MVPs, and managing early-stage client communications, directly contributing to new project acquisition.
  • Designed and implemented microservice architectures using ExpressJS, MySQL, and Laravel PHP, improving system scalability and reducing overall response latency.
NextGeni
Karachi (Pakistan)
3 Jahre 2 Monate
2013-01 - 2016-02

Implementation of development processes

CTO/Co-founder
CTO/Co-founder
  • Founded a software consultancy, growing to six regular clients and 10 full-time employees, while implementing engineering processes that improved development efficiency and reduced delivery timelines.
  • Designed foundational frameworks utilizing PHP Laravel, MEAN stack, Angular, and native mobile development, reducing project initiation overhead and fostering an innovative engineering culture.
  • Curated a tech radar to provide clear technical direction, improving customer satisfaction and team alignment. Drove engineer retention through upskilling initiatives, tech meetups, and hackathons, leading to the successful on-time delivery of five high-impact software solutions and a notable rise in client satisfaction.
on request
Karachi (Pakistan)
11 Monate
2012-02 - 2012-12

Software Engineering

Sr. Software Engineer
Sr. Software Engineer
  • Developed cross-platform mobile applications using Titanium Appcelerator, enabling deployment across multiple platforms from a single codebase and significantly reducing overall development overhead.
  • Developed and designed projects on Drupal CMS, consistently delivering in full alignment with customer requirements through efficient project planning and execution.
Cybercom

Aus- und Weiterbildung

Aus- und Weiterbildung

2008
Newport Institute of Communication & Economics
Degree: Bachelor of Science

Certification
  • AWS Solutions Architect - Associate | Coursera
  • AI Engineer Core Track: LLM Engineering, RAG, QLoRA, Agents | Udemy
  • Deutsch B1 certificate in 2022 | Telc

Kompetenzen

Kompetenzen

Top-Skills

Back-End Software-Entwicklung Node.js TypeScript React AWS PostgreSQL MongoDB Redis Git Fullstack PHP Docker

Produkte / Standards / Erfahrungen / Methoden

Profile
An experienced software professional with 15+ years of expertise in delivering high-quality, scalable solutions across diverse domains. Skilled in leading technical teams, building innovative products, and optimizing systems for performance. Proven ability to mentor talent, align technology with business goals, and drive measurable impact. Adept at collaborating with cross-functional teams of up to 10 members.

Skills
  • PHP, NodeJS, Typescript, Python, Flutter, Babel JS Agile, Scrum,Data Lake Solution Architect Langraph/Langchain LLM/RAG
  • AngularJS,ExpressJS, Laravel, Emotion-JS, ReactJS, NextJS, Agile, TDD, React Native, GraphQL
  • PostgreSQL, MySQL, MongoDB, MariaDB, Firebase, DynamoDB, BigQuery, Kinesis,SNS SQS, Athena, AWS Glue
  • AWS EC2, AWS Beanstalk, AWS Lambda, CloudFront, 789012017890123456Github, Docker, Linux, Elastic Search, Kubernetes (EKS), Microservice, WSO2 API Gateway

Achievements
  • Backend Guild Leadership: Established a backend-focused guild at Homelike GmbH, fostering cross-functional collaboration and boosting system performance.
  • AWS Expertise: Successfully completed AWS Associate Solution Architect training, applying cloud solutions for scalable architectures.
  • Mentorship & Talent Development: Conducted 1:1 sessions, improving communication efficiency by 20% and driving a 15% increase in team performance.
  • High-Impact System Optimization: Led multiple initiatives that enhanced system performance, achieving measurable improvements in efficiency and deployment cycles.

Relevant Experience

11/2015 - 04/2016
Founder Institute - Remote Accelerator, Karachi (Pakistan)
  • Participated in a structured program designed for early-stage entrepreneurs.
  • Developed a foundational business model and engaged with mentors to enhance entrepreneurial skills.
  • Gained insights into startup operations, funding strategies, and market validation.

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