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Tue, 17 Jun 2025 14:44:27 +0000 From: Philip Marks To: "pgsql-jobs@postgresql.org" Subject: www.tessell.com Senior PostgreSQL Storage & Systems Engineer Thread-Topic: www.tessell.com Senior PostgreSQL Storage & Systems Engineer Thread-Index: AQHb35WjeV/C67T4F0CPOLFJtnMR5g== Date: Tue, 17 Jun 2025 14:44:27 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=synchro-europe.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: DU0PR08MB8089:EE_|AS4PR08MB7805:EE_ x-ms-office365-filtering-correlation-id: 37794a84-8349-4dcb-5245-08ddadad75bc x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|376014|366016|1800799024|8096899003|13003099007|38070700018; x-microsoft-antispam-message-info: =?Windows-1252?Q?/4W6XI/jt0Js0UveAvwwgzrDZC8+15EYLA3rhHOqn+rSgJ291rXIt9qO?= =?Windows-1252?Q?zNqNP63vG9Bbl9cXn/1BdOEmH2yKs9wO1lxRpOx+Z1LZBOVUa1MEM9bX?= =?Windows-1252?Q?/h2xYfMxzOXbkpWyyNqU4f705+08RHU4Xff9uftPKYV7frfduWPpHqya?= =?Windows-1252?Q?cHJMXfqU65X63Ll6PPlZ/XKLla5pyxPBlCwWr9w+19kKG5Vh5dU4G9pl?= =?Windows-1252?Q?QxNUMaLA4jkJdwkiUm78NysIR2ubSQmQwtEwbeCIc0l/UiRPSQIj2vme?= =?Windows-1252?Q?1XADduEGhaoMbKMJM7os0jBud35Qz1j19DU+MldBhbPrr7el5JdfNr2P?= =?Windows-1252?Q?ZNWizndYRQwEE4xQRko91i7UIm8D+s0FAOx1Oca5A7hPRar9H11ojG5z?= =?Windows-1252?Q?/a8zdexkORAnd5ZcVScMx8pwnCPYMnExO/VJ167EfpGomjoMhM6TgZA0?= =?Windows-1252?Q?VT2ZHudH1bTR5+/ptUeRvydDsTfNgP3/PKHa3dAfuBNgH3jsfp3vxhN0?= =?Windows-1252?Q?dzQWxI9P9s3EdW1Epma7JnCOwVlPLYo+MYb9Wh0WX8D9ln+S+3F8ur8f?= =?Windows-1252?Q?XqxrQRdk2f2GQySY6XdXxzojbwsKmJT9+6/bTf1WBV7fwI9DF5ibqm+t?= =?Windows-1252?Q?6SZplNnHtycpvHXEQMjuNzSl1EHzn/n+jED0h9OCSmLoPD/ApQaQMvpp?= =?Windows-1252?Q?dYY8k84z499BVAjiOkS2+MhezAuPnWrzeb+1exJA8lnaGMPi6M3Dz4/O?= =?Windows-1252?Q?rIYZNfaTrr7fRLevGbMKcqZ9Kyar79ChN62lbkWj3hwAY84iXS0xKA8K?= =?Windows-1252?Q?nKbQTj2QF8xRnrKuSXioVJZDmYdmKiiTUaJT6SmzlEA7mNL/v+QSW93d?= =?Windows-1252?Q?gpbg2IZyW1RrF6XMvwS3hcGvOzXZJHnEuKqBWAa4wN8Lh3fR7wzBlu7P?= =?Windows-1252?Q?bakkKfPzTCQf4v6HdbDXlXxBdmBij8nOVud6IzygcUc+nX1cDNCMrcsp?= =?Windows-1252?Q?H0r3t4C2taNXZSP2BCeYkEsAiSPVhgEKk7RUZG5PXfyFf0wKOK1pPkTU?= =?Windows-1252?Q?dLkW2RtOjT/RFj1oSpMQwdj7Y9SPNlulty6Myyi+pH+3bWhyPX8e+TqD?= =?Windows-1252?Q?ncAd32f7FVqslVv1kFiNUtLO037zD6osdN/lOSFLM/Btzx+VJBafmYdy?= =?Windows-1252?Q?mrX2sFurNPuCEFzjxMFRkK22xX6zGHPh5FnH3FbFubN4Ed7j0QLAB31f?= =?Windows-1252?Q?ensg83KIVc7JxrtcZPiY8Mpcme89zj6/xjnnDOvnE0sVTiqIdMiGo79W?= =?Windows-1252?Q?+BFaka/mYvHJTRmXZzeOKCnoOiqC6JI6c3U6VkR0XwLPJg9zYUfZCmNQ?= =?Windows-1252?Q?hcNPkVqpTjObYYleW/dzweV5cu2xLjyFajPwnRagD6P5jtijQ5PgtRfr?= =?Windows-1252?Q?dGCinYcpnvraqO2C28NpJK5tXUYcV6VPtSIK2omBON+IcxSWDTulf+tr?= =?Windows-1252?Q?NePVUN4lgRr1SO2GtiItwlxpx02L0Q=3D=3D?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DU0PR08MB8089.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(8096899003)(13003099007)(38070700018);DIR:OUT;SFP:1101; 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boundary="_000_DU0PR08MB8089DDC0BDE4C494CB1576A6EF73ADU0PR08MB8089eurp_" MIME-Version: 1.0 X-OriginatorOrg: synchro-europe.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DU0PR08MB8089.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 37794a84-8349-4dcb-5245-08ddadad75bc X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jun 2025 14:44:27.2475 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0b89b764-616c-4c3f-a545-3c52c202364c X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 1vsetzTqYbubVeLyXWbuY8F9l3UYQKlXrekjjFG6Tell9TE68vZx/k96BsS1sbCFzRBC/UzAeT1KmDx18/EDKQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS4PR08MB7805 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --_000_DU0PR08MB8089DDC0BDE4C494CB1576A6EF73ADU0PR08MB8089eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable A Template Outline EMAIL BODY Job Description: We are www.tessell.com and VC backed DBaaS Platform start up. We=92re looki= ng for a Senior PostgreSQL Developer with deep expertise in PostgreSQL=92s = storage engine internals to join our core database engineering team. This r= ole will focus on low-level database internals, particularly around storage= , WAL, checkpointing, and buffer management=97while helping evolve PostgreS= QL for cloud-native, high-performance, and distributed environments. You=92ll work with some of the sharpest minds in systems and database engin= eering, and contribute directly to improving how PostgreSQL runs at scale i= n modern cloud architectures. If you=92re someone who has navigated the Pos= tgreSQL source tree, written or tuned storage code, and is excited about pu= shing PostgreSQL further into the cloud-native era, we want to talk to you. Key Responsibilities: * Work on PostgreSQL storage internals =97 buffer manager, WAL, backgro= und writer, vacuum, checkpoints, and crash recovery * Design and build enhancements for cloud-native PostgreSQL workloads (= e.g., tiered storage, snapshotting, IO scaling) * Contribute to PostgreSQL extensions or core patches related to storag= e engine functionality * Optimize disk IO paths, memory usage, and write-ahead logging for lar= ge-scale databases * Collaborate with the platform team to make PostgreSQL run efficiently= on Kubernetes, containerized environments, and across multi-cloud platform= s (AWS, Azure, GCP) * Conduct deep analysis of performance regressions, memory leaks, and I= O bottlenecks using perf, gdb, strace, etc. * Participate in code reviews, RFCs, and upstream community discussions= where applicable * Drive innovation in replication, backup, and HA strategies through lo= w-level systems improvements Requirements: * 5+ years of experience working with PostgreSQL internals, especially = storage subsystem * Strong systems-level programming skills in C (and optionally Rust/Go) * Solid understanding of WAL internals, buffer pool management, page fo= rmats, and disk write flows * Experience working with Linux systems internals (filesystems, IO sche= dulers, memory management, etc.) * Prior contributions to PostgreSQL open-source community is a major pl= us * Familiarity with cloud platforms (AWS, Azure, or GCP) and experience = optimizing PostgreSQL for virtualized or containerized environments * Exposure to Kubernetes, container orchestration, and persistent stora= ge architectures * Bachelor=92s or Master=92s degree in Computer Science, or equivalent = hands-on experience Nice to Have: * Experience building PostgreSQL-compatible services in the cloud (e.g.= , Aurora, AlloyDB, Cloud SQL) * Familiarity with columnar storage, compression techniques, or distrib= uted filesystems * Deep knowledge of PostgreSQL replication internals or custom backup e= ngines * Experience with observability tooling and performance benchmarking at= scale What We Offer: * Opportunity to work on cutting-edge database internals powering real-= world production systems * Work with a collaborative, high-caliber team across USA and India * Competitive compensation and equity * A flexible work environment focused on innovation, ownership, and imp= act Location: Bangalore / USA Term: Permanent Compensation: Negotiable with equity Philip Marks | Synchro Europe | Managing Director Cell ++ 44 (0) 7973 832005 E-mail pm@synchro-europe.com https://www.linkedin.com/in/philipmarks https://X/PhilipMarks --_000_DU0PR08MB8089DDC0BDE4C494CB1576A6EF73ADU0PR08MB8089eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

A Template Outline
EMAIL BODY

Job Description:

We are www.tessell.com and VC backed DBaaS Platform start up. We=92re looki= ng for a Senior PostgreSQL Developer with deep expertise in PostgreSQ= L=92s storage engine internals to join our core database engineeri= ng team. This role will focus on low-level database internals, particularly around storage, WAL, chec= kpointing, and buffer management=97while helping evolve PostgreSQL for cloud-native, high-performance, and distributed environments.
You=92ll work with some of the sharpest minds in systems and database engin= eering, and contribute directly to improving how PostgreSQL runs at scale i= n modern cloud architectures. If you=92re someone who has navigated the Pos= tgreSQL source tree, written or tuned storage code, and is excited about pushing PostgreSQL further into the clo= ud-native era, we want to talk to you.

Key Responsibilities:
  • Work on PostgreSQL storage internals =97 buffer manager, WAL, b= ackground writer, vacuum, checkpoints, and crash recovery
  • Design and build enhancements for cloud-native PostgreSQL workloads&= nbsp;(e.g., tiered storage, snapshotting, IO scaling)
  • Contribute to PostgreSQL extensions or core patches related to storage engi= ne functionality
  • Optimize disk IO paths, memory usage, and write-ahead logging for large-sca= le databases
  • Collaborate with the platform team to make PostgreSQL run efficiently on Kubernetes, containerized environments, and across multi-cloud platforms (AWS, Azure, GCP)
  • Conduct deep analysis of performance regressions, memory leaks, and IO bott= lenecks using perf, gdb, strace, etc.
  • Participate in code reviews, RFCs, and upstream community discussions where= applicable
  • Drive innovation in replication, backup, and HA strategies=  through low-level systems improvements

Requirements:
  • 5+ years of experience working with PostgreSQL internals, especially= storage subsystem
  • Strong systems-level programming skills in C (and optionally Ru= st/Go)
  • Solid understanding of WAL internals, buffer pool management, page f= ormats, and disk write flows
  • Experience working with Linux systems internals (filesystems, I= O schedulers, memory management, etc.)
  • Prior contributions to PostgreSQL open-source community is a ma= jor plus
  • Familiarity with cloud platforms (AWS, Azure, or GCP) and exper= ience optimizing PostgreSQL for virtualized or containerized environments
  • Exposure to Kubernetes, container orchestration, and persi= stent storage architectures
  • Bachelor=92s or Master=92s degree in Computer Science, or equivalent hands-= on experience
Nice to Have:
  • Experience building PostgreSQL-compatible services in the cloud (e.g., Auro= ra, AlloyDB, Cloud SQL)
  • Familiarity with columnar storage, compression techniques, or= distributed filesystems
  • Deep knowledge of PostgreSQL replication internals or custom ba= ckup engines
  • Experience with observability tooling and performance benchmarking at scale=
What We Offer:
  • Opportunity to work on cutting-edge database internals powering= real-world production systems
  • Work with a collaborative, high-caliber team across USA and India
  • Competitive compensation and equity
  • A flexible work environment focused on innovation, ownership, and impact


Location:
Bangalore / USA 

Term:
Permanent 

Compensation:
Negotiable with equity 


Philip Marks | Synchro Europe | Managing Director

 

Cell ++ 44 (0) 7973 832005

E-mail pm@synchro-europe.com

https://www.= linkedin.com/in/philipmarks

https://= X/PhilipMarks

 

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