Sajid H.
Lahore, Pakistan
100%
Job Success
Top Rated
Expert PKI, Digital Signatures, E-Signature, Java Developer, AWS, AATL
$50.00/hr
PKI & Digital Signatures / E-Signature specialist, having 11+ years experience in developing enterprise applications involving PDF, XML and CMS based Digital signatures, X509 Digital Certificates & PKI domain.
PKI & Digital Signature Experience
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- Bouncy Castle, IAIK
- CAdES, PAdES, XAdES
- SAML, OpenID, OAuth, SSL Client
- OCSP, SCVP, Timestamping, LTANs
- PKCS#1, PKCS#10, PKCS#11, SCEP, EST
- Digital Signatures (PDF, XML), E-Signature
- Microsoft CA, ADSS Server, Dogtag PKI, OpenSSL
- HSM (Utimaco, Gemalto), Smart Cards, Amazon Cloud HSM, Azure Key Vault
- SingPass, S/Mime integrations
Languages & Technologies
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- Rabbit MQ
- iText, PDFBox
- Java, C#, Python
- MS-SQL Server, MySQL, DB2
- Hibernate, SQL, IIS, Tomcat
- Struts, Spring Boot, JPA1&2, JDBC
- Amazon Web services, Amazon S3, Amazon SQS
- JBOSS, Websphere, IBM LDAP, ITIM, TAM
Work history
Work history
PDF Digital Signature Web Application
Apr 18, 2022
-
May 17, 2024
5.00
"We had the pleasure of working with Sajid and Wahaj to develop our digital signing platform. They proved to be a technically sound and reliable team throughout the project. Their…
Private earnings
to deploy a war file in Tomcat Server with Jenkins.
Oct 12, 2022
-
Jul 31, 2023
No feedback given
Private earnings
Need Java Program to Parse PDF and call Zillow API
Mar 30, 2022
-
Jun 7, 2022
4.65
Private earnings
Add Security header OASIS Web Services Security X.509 Certificate Token Profile Version 1.1.1
Jan 18, 2022
-
Mar 1, 2022
No feedback given
Private earnings
Fix Python Code to work with PKI Signature library
Feb 17, 2022
-
Feb 22, 2022
5.00
"He's very professional and helpful and would definitely hire again and strongly recommend in the area of security and pki"
Private earnings
Expert with certificates (.cer, .pem, .pkcs7, etc...)
Nov 2, 2021
-
Jan 28, 2022
5.00
"Very effective, professional and responsive.
This job was consulation, so we learned a lot.
Highly recommended, will hire again when new project come up."
Private earnings
Adding Annotations to Digitally signed pdf with incremental updates
Jul 22, 2021
-
Sep 6, 2021
No feedback given
Private earnings
PKI Digital signature PDF integrations experience needed
Jun 15, 2021
-
Sep 6, 2021
5.00
"Excellent work and communication with these guys. Very impressed. Would work with again."
Private earnings
Work related to CAdES, PAdES, XAdES and digital signing of PDF documents
4.83
of 1 reviews
Apr 12, 2021
-
Jun 28, 2021
Jun 24, 2021
4.83 "We are really happy with their cooperations. Will gladly work with them again in the future." Private earnings
Experienced .NET C# / JAVA developer required for PKI Integration (Digital Sign on XML File)
Dec 9, 2020
-
Jan 1, 2021
No feedback given
Private earnings
PDF Digital Signature Web Application
May 17, 2024
-
Present
Job in progress
Private earnings
JAR file deployment on windows server 2k19
Apr 2, 2024
-
Present
Job in progress
Private earnings
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Skills
Skills
- SOAP
- Website Security
- Spring Boot
- Microsoft IIS
- Cloud Security
- iText
- Document Analysis
- Apache PDFBox
- SSL
- API
- Cryptography
- Amazon Plugin